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|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="null" lang="null">
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" /><title>MultiThreadedHttpConnectionManager xref</title>
<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../apidocs/org/apache/commons/httpclient/MultiThreadedHttpConnectionManager.html">View Javadoc</a></div><pre>
<a name="1" href="#1">1</a> <em class="comment">/*</em>
<a name="2" href="#2">2</a> <em class="comment"> * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/MultiThreadedHttpConnectionManager.java,v 1.47 2004/12/21 11:27:55 olegk Exp $</em>
<a name="3" href="#3">3</a> <em class="comment"> * $Revision: 564906 $</em>
<a name="4" href="#4">4</a> <em class="comment"> * $Date: 2007-08-11 14:27:18 +0200 (Sat, 11 Aug 2007) $</em>
<a name="5" href="#5">5</a> <em class="comment"> *</em>
<a name="6" href="#6">6</a> <em class="comment"> * ====================================================================</em>
<a name="7" href="#7">7</a> <em class="comment"> *</em>
<a name="8" href="#8">8</a> <em class="comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a name="9" href="#9">9</a> <em class="comment"> * contributor license agreements. See the NOTICE file distributed with</em>
<a name="10" href="#10">10</a> <em class="comment"> * this work for additional information regarding copyright ownership.</em>
<a name="11" href="#11">11</a> <em class="comment"> * The ASF licenses this file to You under the Apache License, Version 2.0</em>
<a name="12" href="#12">12</a> <em class="comment"> * (the "License"); you may not use this file except in compliance with</em>
<a name="13" href="#13">13</a> <em class="comment"> * the License. You may obtain a copy of the License at</em>
<a name="14" href="#14">14</a> <em class="comment"> *</em>
<a name="15" href="#15">15</a> <em class="comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="16" href="#16">16</a> <em class="comment"> *</em>
<a name="17" href="#17">17</a> <em class="comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="18" href="#18">18</a> <em class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="19" href="#19">19</a> <em class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="20" href="#20">20</a> <em class="comment"> * See the License for the specific language governing permissions and</em>
<a name="21" href="#21">21</a> <em class="comment"> * limitations under the License.</em>
<a name="22" href="#22">22</a> <em class="comment"> * ====================================================================</em>
<a name="23" href="#23">23</a> <em class="comment"> *</em>
<a name="24" href="#24">24</a> <em class="comment"> * This software consists of voluntary contributions made by many</em>
<a name="25" href="#25">25</a> <em class="comment"> * individuals on behalf of the Apache Software Foundation. For more</em>
<a name="26" href="#26">26</a> <em class="comment"> * information on the Apache Software Foundation, please see</em>
<a name="27" href="#27">27</a> <em class="comment"> * <<a href="http://www.apache.org/" target="alexandria_uri">http://www.apache.org/</a>>.</em>
<a name="28" href="#28">28</a> <em class="comment"> *</em>
<a name="29" href="#29">29</a> <em class="comment"> */</em>
<a name="30" href="#30">30</a>
<a name="31" href="#31">31</a> <strong>package</strong> org.apache.commons.httpclient;
<a name="32" href="#32">32</a>
<a name="33" href="#33">33</a> <strong>import</strong> java.io.IOException;
<a name="34" href="#34">34</a> <strong>import</strong> java.io.InputStream;
<a name="35" href="#35">35</a> <strong>import</strong> java.io.OutputStream;
<a name="36" href="#36">36</a> <strong>import</strong> java.lang.ref.Reference;
<a name="37" href="#37">37</a> <strong>import</strong> java.lang.ref.ReferenceQueue;
<a name="38" href="#38">38</a> <strong>import</strong> java.lang.ref.WeakReference;
<a name="39" href="#39">39</a> <strong>import</strong> java.net.InetAddress;
<a name="40" href="#40">40</a> <strong>import</strong> java.net.SocketException;
<a name="41" href="#41">41</a> <strong>import</strong> java.util.ArrayList;
<a name="42" href="#42">42</a> <strong>import</strong> java.util.HashMap;
<a name="43" href="#43">43</a> <strong>import</strong> java.util.Iterator;
<a name="44" href="#44">44</a> <strong>import</strong> java.util.LinkedList;
<a name="45" href="#45">45</a> <strong>import</strong> java.util.Map;
<a name="46" href="#46">46</a> <strong>import</strong> java.util.WeakHashMap;
<a name="47" href="#47">47</a>
<a name="48" href="#48">48</a> <strong>import</strong> org.apache.commons.httpclient.params.HttpConnectionManagerParams;
<a name="49" href="#49">49</a> <strong>import</strong> org.apache.commons.httpclient.params.HttpConnectionParams;
<a name="50" href="#50">50</a> <strong>import</strong> org.apache.commons.httpclient.protocol.Protocol;
<a name="51" href="#51">51</a> <strong>import</strong> org.apache.commons.httpclient.util.IdleConnectionHandler;
<a name="52" href="#52">52</a> <strong>import</strong> org.apache.commons.logging.Log;
<a name="53" href="#53">53</a> <strong>import</strong> org.apache.commons.logging.LogFactory;
<a name="54" href="#54">54</a>
<a name="55" href="#55">55</a> <em>/**</em>
<a name="56" href="#56">56</a> <em> * Manages a set of HttpConnections for various HostConfigurations.</em>
<a name="57" href="#57">57</a> <em> *</em>
<a name="58" href="#58">58</a> <em> * @author <a href="<a href="mailto:becke@u.washington.edu" target="alexandria_uri">mailto:becke@u.washington.edu</a>">Michael Becke</a></em>
<a name="59" href="#59">59</a> <em> * @author Eric Johnson</em>
<a name="60" href="#60">60</a> <em> * @author <a href="<a href="mailto:mbowler@GargoyleSoftware.com" target="alexandria_uri">mailto:mbowler@GargoyleSoftware.com</a>">Mike Bowler</a></em>
<a name="61" href="#61">61</a> <em> * @author Carl A. Dunham</em>
<a name="62" href="#62">62</a> <em> *</em>
<a name="63" href="#63">63</a> <em> * @since 2.0</em>
<a name="64" href="#64">64</a> <em> */</em>
<a name="65" href="#65">65</a> <strong>public</strong> <strong>class</strong> <a href="../../../../org/apache/commons/httpclient/MultiThreadedHttpConnectionManager.html">MultiThreadedHttpConnectionManager</a> implements <a href="../../../../org/apache/commons/httpclient/HttpConnectionManager.html">HttpConnectionManager</a> {
<a name="66" href="#66">66</a>
<a name="67" href="#67">67</a> <em class="comment">// -------------------------------------------------------- Class Variables</em>
<a name="68" href="#68">68</a>
<a name="69" href="#69">69</a> <em>/**</em><em> Log object for this class. */</em>
<a name="70" href="#70">70</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> Log LOG = LogFactory.getLog(MultiThreadedHttpConnectionManager.<strong>class</strong>);
<a name="71" href="#71">71</a>
<a name="72" href="#72">72</a> <em>/**</em><em> The default maximum number of connections allowed per host */</em>
<a name="73" href="#73">73</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong> DEFAULT_MAX_HOST_CONNECTIONS = 2; <em class="comment">// Per RFC 2616 sec 8.1.4</em>
<a name="74" href="#74">74</a>
<a name="75" href="#75">75</a> <em>/**</em><em> The default maximum number of connections allowed overall */</em>
<a name="76" href="#76">76</a> <strong>public</strong> <strong>static</strong> <strong>final</strong> <strong>int</strong> DEFAULT_MAX_TOTAL_CONNECTIONS = 20;
<a name="77" href="#77">77</a>
<a name="78" href="#78">78</a> <em>/**</em>
<a name="79" href="#79">79</a> <em> * A mapping from Reference to ConnectionSource. Used to reclaim resources when connections</em>
<a name="80" href="#80">80</a> <em> * are lost to the garbage collector.</em>
<a name="81" href="#81">81</a> <em> */</em>
<a name="82" href="#82">82</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> Map REFERENCE_TO_CONNECTION_SOURCE = <strong>new</strong> HashMap();
<a name="83" href="#83">83</a>
<a name="84" href="#84">84</a> <em>/**</em>
<a name="85" href="#85">85</a> <em> * The reference queue used to track when HttpConnections are lost to the</em>
<a name="86" href="#86">86</a> <em> * garbage collector</em>
<a name="87" href="#87">87</a> <em> */</em>
<a name="88" href="#88">88</a> <strong>private</strong> <strong>static</strong> <strong>final</strong> ReferenceQueue REFERENCE_QUEUE = <strong>new</strong> ReferenceQueue();
<a name="89" href="#89">89</a>
<a name="90" href="#90">90</a> <em>/**</em>
<a name="91" href="#91">91</a> <em> * The thread responsible for handling lost connections.</em>
<a name="92" href="#92">92</a> <em> */</em>
<a name="93" href="#93">93</a> <strong>private</strong> <strong>static</strong> ReferenceQueueThread REFERENCE_QUEUE_THREAD;
<a name="94" href="#94">94</a>
<a name="95" href="#95">95</a> <em>/**</em>
<a name="96" href="#96">96</a> <em> * Holds references to all active instances of this class.</em>
<a name="97" href="#97">97</a> <em> */</em>
<a name="98" href="#98">98</a> <strong>private</strong> <strong>static</strong> WeakHashMap ALL_CONNECTION_MANAGERS = <strong>new</strong> WeakHashMap();
<a name="99" href="#99">99</a>
<a name="100" href="#100">100</a>
<a name="101" href="#101">101</a> <em class="comment">// ---------------------------------------------------------- Class Methods</em>
<a name="102" href="#102">102</a>
<a name="103" href="#103">103</a> <em>/**</em>
<a name="104" href="#104">104</a> <em> * Shuts down and cleans up resources used by all instances of </em>
<a name="105" href="#105">105</a> <em> * MultiThreadedHttpConnectionManager. All static resources are released, all threads are </em>
<a name="106" href="#106">106</a> <em> * stopped, and {@link #shutdown()} is called on all live instances of </em>
<a name="107" href="#107">107</a> <em> * MultiThreadedHttpConnectionManager.</em>
<a name="108" href="#108">108</a> <em> *</em>
<a name="109" href="#109">109</a> <em> * @see #shutdown()</em>
<a name="110" href="#110">110</a> <em> */</em>
<a name="111" href="#111">111</a> <strong>public</strong> <strong>static</strong> <strong>void</strong> shutdownAll() {
<a name="112" href="#112">112</a>
<a name="113" href="#113">113</a> <strong>synchronized</strong> (REFERENCE_TO_CONNECTION_SOURCE) {
<a name="114" href="#114">114</a> <em class="comment">// shutdown all connection managers</em>
<a name="115" href="#115">115</a> <strong>synchronized</strong> (ALL_CONNECTION_MANAGERS) {
<a name="116" href="#116">116</a> <em class="comment">// Don't use an iterator here. Iterators on WeakHashMap can</em>
<a name="117" href="#117">117</a> <em class="comment">// get ConcurrentModificationException on garbage collection.</em>
<a name="118" href="#118">118</a> <a href="../../../../org/apache/commons/httpclient/MultiThreadedHttpConnectionManager.html">MultiThreadedHttpConnectionManager</a>[]
<a name="119" href="#119">119</a> connManagers = (MultiThreadedHttpConnectionManager[])
<a name="120" href="#120">120</a> ALL_CONNECTION_MANAGERS.keySet().toArray(
<a name="121" href="#121">121</a> <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/MultiThreadedHttpConnectionManager.html">MultiThreadedHttpConnectionManager</a>
<a name="122" href="#122">122</a> [ALL_CONNECTION_MANAGERS.size()]
<a name="123" href="#123">123</a> );
<a name="124" href="#124">124</a>
<a name="125" href="#125">125</a> <em class="comment">// The map may shrink after size() is called, or some entry</em>
<a name="126" href="#126">126</a> <em class="comment">// may get GCed while the array is built, so expect null.</em>
<a name="127" href="#127">127</a> <strong>for</strong> (<strong>int</strong> i=0; i<connManagers.length; i++) {
<a name="128" href="#128">128</a> <strong>if</strong> (connManagers[i] != <strong>null</strong>)
<a name="129" href="#129">129</a> connManagers[i].shutdown();
<a name="130" href="#130">130</a> }
<a name="131" href="#131">131</a> }
<a name="132" href="#132">132</a>
<a name="133" href="#133">133</a> <em class="comment">// shutdown static resources</em>
<a name="134" href="#134">134</a> <strong>if</strong> (REFERENCE_QUEUE_THREAD != <strong>null</strong>) {
<a name="135" href="#135">135</a> REFERENCE_QUEUE_THREAD.shutdown();
<a name="136" href="#136">136</a> REFERENCE_QUEUE_THREAD = <strong>null</strong>;
<a name="137" href="#137">137</a> }
<a name="138" href="#138">138</a> REFERENCE_TO_CONNECTION_SOURCE.clear();
<a name="139" href="#139">139</a> }
<a name="140" href="#140">140</a> }
<a name="141" href="#141">141</a>
<a name="142" href="#142">142</a> <em>/**</em>
<a name="143" href="#143">143</a> <em> * Stores the reference to the given connection along with the host config and connection pool. </em>
<a name="144" href="#144">144</a> <em> * These values will be used to reclaim resources if the connection is lost to the garbage </em>
<a name="145" href="#145">145</a> <em> * collector. This method should be called before a connection is released from the connection </em>
<a name="146" href="#146">146</a> <em> * manager.</em>
<a name="147" href="#147">147</a> <em> * </em>
<a name="148" href="#148">148</a> <em> * <p>A static reference to the connection manager will also be stored. To ensure that</em>
<a name="149" href="#149">149</a> <em> * the connection manager can be GCed {@link #removeReferenceToConnection(HttpConnection)}</em>
<a name="150" href="#150">150</a> <em> * should be called for all connections that the connection manager is storing a reference</em>
<a name="151" href="#151">151</a> <em> * to.</p></em>
<a name="152" href="#152">152</a> <em> * </em>
<a name="153" href="#153">153</a> <em> * @param connection the connection to create a reference for</em>
<a name="154" href="#154">154</a> <em> * @param hostConfiguration the connection's host config</em>
<a name="155" href="#155">155</a> <em> * @param connectionPool the connection pool that created the connection</em>
<a name="156" href="#156">156</a> <em> * </em>
<a name="157" href="#157">157</a> <em> * @see #removeReferenceToConnection(HttpConnection)</em>
<a name="158" href="#158">158</a> <em> */</em>
<a name="159" href="#159">159</a> <strong>private</strong> <strong>static</strong> <strong>void</strong> storeReferenceToConnection(
<a name="160" href="#160">160</a> HttpConnectionWithReference connection,
<a name="161" href="#161">161</a> <a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration,
<a name="162" href="#162">162</a> ConnectionPool connectionPool
<a name="163" href="#163">163</a> ) {
<a name="164" href="#164">164</a>
<a name="165" href="#165">165</a> ConnectionSource source = <strong>new</strong> ConnectionSource();
<a name="166" href="#166">166</a> source.connectionPool = connectionPool;
<a name="167" href="#167">167</a> source.hostConfiguration = hostConfiguration;
<a name="168" href="#168">168</a>
<a name="169" href="#169">169</a> <strong>synchronized</strong> (REFERENCE_TO_CONNECTION_SOURCE) {
<a name="170" href="#170">170</a>
<a name="171" href="#171">171</a> <em class="comment">// start the reference queue thread if needed</em>
<a name="172" href="#172">172</a> <strong>if</strong> (REFERENCE_QUEUE_THREAD == <strong>null</strong>) {
<a name="173" href="#173">173</a> REFERENCE_QUEUE_THREAD = <strong>new</strong> ReferenceQueueThread();
<a name="174" href="#174">174</a> REFERENCE_QUEUE_THREAD.start();
<a name="175" href="#175">175</a> }
<a name="176" href="#176">176</a>
<a name="177" href="#177">177</a> REFERENCE_TO_CONNECTION_SOURCE.put(
<a name="178" href="#178">178</a> connection.reference,
<a name="179" href="#179">179</a> source
<a name="180" href="#180">180</a> );
<a name="181" href="#181">181</a> }
<a name="182" href="#182">182</a> }
<a name="183" href="#183">183</a>
<a name="184" href="#184">184</a> <em>/**</em>
<a name="185" href="#185">185</a> <em> * Closes and releases all connections currently checked out of the given connection pool.</em>
<a name="186" href="#186">186</a> <em> * @param connectionPool the connection pool to shutdown the connections for</em>
<a name="187" href="#187">187</a> <em> */</em>
<a name="188" href="#188">188</a> <strong>private</strong> <strong>static</strong> <strong>void</strong> shutdownCheckedOutConnections(ConnectionPool connectionPool) {
<a name="189" href="#189">189</a>
<a name="190" href="#190">190</a> <em class="comment">// keep a list of the connections to be closed</em>
<a name="191" href="#191">191</a> ArrayList connectionsToClose = <strong>new</strong> ArrayList();
<a name="192" href="#192">192</a>
<a name="193" href="#193">193</a> <strong>synchronized</strong> (REFERENCE_TO_CONNECTION_SOURCE) {
<a name="194" href="#194">194</a>
<a name="195" href="#195">195</a> Iterator referenceIter = REFERENCE_TO_CONNECTION_SOURCE.keySet().iterator();
<a name="196" href="#196">196</a> <strong>while</strong> (referenceIter.hasNext()) {
<a name="197" href="#197">197</a> Reference ref = (Reference) referenceIter.next();
<a name="198" href="#198">198</a> ConnectionSource source =
<a name="199" href="#199">199</a> (ConnectionSource) REFERENCE_TO_CONNECTION_SOURCE.get(ref);
<a name="200" href="#200">200</a> <strong>if</strong> (source.connectionPool == connectionPool) {
<a name="201" href="#201">201</a> referenceIter.remove();
<a name="202" href="#202">202</a> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> connection = (HttpConnection) ref.get();
<a name="203" href="#203">203</a> <strong>if</strong> (connection != <strong>null</strong>) {
<a name="204" href="#204">204</a> connectionsToClose.add(connection);
<a name="205" href="#205">205</a> }
<a name="206" href="#206">206</a> }
<a name="207" href="#207">207</a> }
<a name="208" href="#208">208</a> }
<a name="209" href="#209">209</a>
<a name="210" href="#210">210</a> <em class="comment">// close and release the connections outside of the synchronized block to</em>
<a name="211" href="#211">211</a> <em class="comment">// avoid holding the lock for too long</em>
<a name="212" href="#212">212</a> <strong>for</strong> (Iterator i = connectionsToClose.iterator(); i.hasNext();) {
<a name="213" href="#213">213</a> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> connection = (HttpConnection) i.next();
<a name="214" href="#214">214</a> connection.close();
<a name="215" href="#215">215</a> <em class="comment">// remove the reference to the connection manager. this ensures</em>
<a name="216" href="#216">216</a> <em class="comment">// that the we don't accidentally end up here again</em>
<a name="217" href="#217">217</a> connection.setHttpConnectionManager(<strong>null</strong>);
<a name="218" href="#218">218</a> connection.releaseConnection();
<a name="219" href="#219">219</a> }
<a name="220" href="#220">220</a> }
<a name="221" href="#221">221</a>
<a name="222" href="#222">222</a> <em>/**</em>
<a name="223" href="#223">223</a> <em> * Removes the reference being stored for the given connection. This method should be called</em>
<a name="224" href="#224">224</a> <em> * when the connection manager again has a direct reference to the connection.</em>
<a name="225" href="#225">225</a> <em> * </em>
<a name="226" href="#226">226</a> <em> * @param connection the connection to remove the reference for</em>
<a name="227" href="#227">227</a> <em> * </em>
<a name="228" href="#228">228</a> <em> * @see #storeReferenceToConnection(HttpConnection, HostConfiguration, ConnectionPool)</em>
<a name="229" href="#229">229</a> <em> */</em>
<a name="230" href="#230">230</a> <strong>private</strong> <strong>static</strong> <strong>void</strong> removeReferenceToConnection(HttpConnectionWithReference connection) {
<a name="231" href="#231">231</a>
<a name="232" href="#232">232</a> <strong>synchronized</strong> (REFERENCE_TO_CONNECTION_SOURCE) {
<a name="233" href="#233">233</a> REFERENCE_TO_CONNECTION_SOURCE.remove(connection.reference);
<a name="234" href="#234">234</a> }
<a name="235" href="#235">235</a> }
<a name="236" href="#236">236</a>
<a name="237" href="#237">237</a>
<a name="238" href="#238">238</a> <em class="comment">// ----------------------------------------------------- Instance Variables</em>
<a name="239" href="#239">239</a>
<a name="240" href="#240">240</a> <em>/**</em>
<a name="241" href="#241">241</a> <em> * Collection of parameters associated with this connection manager.</em>
<a name="242" href="#242">242</a> <em> */</em>
<a name="243" href="#243">243</a> <strong>private</strong> <a href="../../../../org/apache/commons/httpclient/params/HttpConnectionManagerParams.html">HttpConnectionManagerParams</a> params = <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/params/HttpConnectionManagerParams.html">HttpConnectionManagerParams</a>();
<a name="244" href="#244">244</a>
<a name="245" href="#245">245</a> <em>/**</em><em> Connection Pool */</em>
<a name="246" href="#246">246</a> <strong>private</strong> ConnectionPool connectionPool;
<a name="247" href="#247">247</a>
<a name="248" href="#248">248</a> <strong>private</strong> <strong>volatile</strong> <strong>boolean</strong> shutdown = false;
<a name="249" href="#249">249</a>
<a name="250" href="#250">250</a>
<a name="251" href="#251">251</a> <em class="comment">// ----------------------------------------------------------- Constructors</em>
<a name="252" href="#252">252</a>
<a name="253" href="#253">253</a> <em>/**</em>
<a name="254" href="#254">254</a> <em> * No-args constructor</em>
<a name="255" href="#255">255</a> <em> */</em>
<a name="256" href="#256">256</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/MultiThreadedHttpConnectionManager.html">MultiThreadedHttpConnectionManager</a>() {
<a name="257" href="#257">257</a> <strong>this</strong>.connectionPool = <strong>new</strong> ConnectionPool();
<a name="258" href="#258">258</a> <strong>synchronized</strong>(ALL_CONNECTION_MANAGERS) {
<a name="259" href="#259">259</a> ALL_CONNECTION_MANAGERS.put(<strong>this</strong>, <strong>null</strong>);
<a name="260" href="#260">260</a> }
<a name="261" href="#261">261</a> }
<a name="262" href="#262">262</a>
<a name="263" href="#263">263</a>
<a name="264" href="#264">264</a> <em class="comment">// ------------------------------------------------------- Instance Methods</em>
<a name="265" href="#265">265</a>
<a name="266" href="#266">266</a> <em>/**</em>
<a name="267" href="#267">267</a> <em> * Shuts down the connection manager and releases all resources. All connections associated </em>
<a name="268" href="#268">268</a> <em> * with this class will be closed and released. </em>
<a name="269" href="#269">269</a> <em> * </em>
<a name="270" href="#270">270</a> <em> * <p>The connection manager can no longer be used once shut down. </em>
<a name="271" href="#271">271</a> <em> * </em>
<a name="272" href="#272">272</a> <em> * <p>Calling this method more than once will have no effect.</em>
<a name="273" href="#273">273</a> <em> */</em>
<a name="274" href="#274">274</a> <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> shutdown() {
<a name="275" href="#275">275</a> <strong>synchronized</strong> (connectionPool) {
<a name="276" href="#276">276</a> <strong>if</strong> (!shutdown) {
<a name="277" href="#277">277</a> shutdown = <strong>true</strong>;
<a name="278" href="#278">278</a> connectionPool.shutdown();
<a name="279" href="#279">279</a> }
<a name="280" href="#280">280</a> }
<a name="281" href="#281">281</a> }
<a name="282" href="#282">282</a>
<a name="283" href="#283">283</a> <em>/**</em>
<a name="284" href="#284">284</a> <em> * Gets the staleCheckingEnabled value to be set on HttpConnections that are created.</em>
<a name="285" href="#285">285</a> <em> * </em>
<a name="286" href="#286">286</a> <em> * @return <code>true</code> if stale checking will be enabled on HttpConnections</em>
<a name="287" href="#287">287</a> <em> * </em>
<a name="288" href="#288">288</a> <em> * @see HttpConnection#isStaleCheckingEnabled()</em>
<a name="289" href="#289">289</a> <em> * </em>
<a name="290" href="#290">290</a> <em> * @deprecated Use {@link HttpConnectionManagerParams#isStaleCheckingEnabled()},</em>
<a name="291" href="#291">291</a> <em> * {@link HttpConnectionManager#getParams()}.</em>
<a name="292" href="#292">292</a> <em> */</em>
<a name="293" href="#293">293</a> <strong>public</strong> <strong>boolean</strong> isConnectionStaleCheckingEnabled() {
<a name="294" href="#294">294</a> <strong>return</strong> <strong>this</strong>.params.isStaleCheckingEnabled();
<a name="295" href="#295">295</a> }
<a name="296" href="#296">296</a>
<a name="297" href="#297">297</a> <em>/**</em>
<a name="298" href="#298">298</a> <em> * Sets the staleCheckingEnabled value to be set on HttpConnections that are created.</em>
<a name="299" href="#299">299</a> <em> * </em>
<a name="300" href="#300">300</a> <em> * @param connectionStaleCheckingEnabled <code>true</code> if stale checking will be enabled </em>
<a name="301" href="#301">301</a> <em> * on HttpConnections</em>
<a name="302" href="#302">302</a> <em> * </em>
<a name="303" href="#303">303</a> <em> * @see HttpConnection#setStaleCheckingEnabled(boolean)</em>
<a name="304" href="#304">304</a> <em> * </em>
<a name="305" href="#305">305</a> <em> * @deprecated Use {@link HttpConnectionManagerParams#setStaleCheckingEnabled(boolean)},</em>
<a name="306" href="#306">306</a> <em> * {@link HttpConnectionManager#getParams()}.</em>
<a name="307" href="#307">307</a> <em> */</em>
<a name="308" href="#308">308</a> <strong>public</strong> <strong>void</strong> setConnectionStaleCheckingEnabled(<strong>boolean</strong> connectionStaleCheckingEnabled) {
<a name="309" href="#309">309</a> <strong>this</strong>.params.setStaleCheckingEnabled(connectionStaleCheckingEnabled);
<a name="310" href="#310">310</a> }
<a name="311" href="#311">311</a>
<a name="312" href="#312">312</a> <em>/**</em>
<a name="313" href="#313">313</a> <em> * Sets the maximum number of connections allowed for a given</em>
<a name="314" href="#314">314</a> <em> * HostConfiguration. Per RFC 2616 section 8.1.4, this value defaults to 2.</em>
<a name="315" href="#315">315</a> <em> *</em>
<a name="316" href="#316">316</a> <em> * @param maxHostConnections the number of connections allowed for each</em>
<a name="317" href="#317">317</a> <em> * hostConfiguration</em>
<a name="318" href="#318">318</a> <em> * </em>
<a name="319" href="#319">319</a> <em> * @deprecated Use {@link HttpConnectionManagerParams#setDefaultMaxConnectionsPerHost(int)},</em>
<a name="320" href="#320">320</a> <em> * {@link HttpConnectionManager#getParams()}.</em>
<a name="321" href="#321">321</a> <em> */</em>
<a name="322" href="#322">322</a> <strong>public</strong> <strong>void</strong> setMaxConnectionsPerHost(<strong>int</strong> maxHostConnections) {
<a name="323" href="#323">323</a> <strong>this</strong>.params.setDefaultMaxConnectionsPerHost(maxHostConnections);
<a name="324" href="#324">324</a> }
<a name="325" href="#325">325</a>
<a name="326" href="#326">326</a> <em>/**</em>
<a name="327" href="#327">327</a> <em> * Gets the maximum number of connections allowed for a given</em>
<a name="328" href="#328">328</a> <em> * hostConfiguration.</em>
<a name="329" href="#329">329</a> <em> *</em>
<a name="330" href="#330">330</a> <em> * @return The maximum number of connections allowed for a given</em>
<a name="331" href="#331">331</a> <em> * hostConfiguration.</em>
<a name="332" href="#332">332</a> <em> * </em>
<a name="333" href="#333">333</a> <em> * @deprecated Use {@link HttpConnectionManagerParams#getDefaultMaxConnectionsPerHost()},</em>
<a name="334" href="#334">334</a> <em> * {@link HttpConnectionManager#getParams()}.</em>
<a name="335" href="#335">335</a> <em> */</em>
<a name="336" href="#336">336</a> <strong>public</strong> <strong>int</strong> getMaxConnectionsPerHost() {
<a name="337" href="#337">337</a> <strong>return</strong> <strong>this</strong>.params.getDefaultMaxConnectionsPerHost();
<a name="338" href="#338">338</a> }
<a name="339" href="#339">339</a>
<a name="340" href="#340">340</a> <em>/**</em>
<a name="341" href="#341">341</a> <em> * Sets the maximum number of connections allowed for this connection manager.</em>
<a name="342" href="#342">342</a> <em> *</em>
<a name="343" href="#343">343</a> <em> * @param maxTotalConnections the maximum number of connections allowed</em>
<a name="344" href="#344">344</a> <em> * </em>
<a name="345" href="#345">345</a> <em> * @deprecated Use {@link HttpConnectionManagerParams#setMaxTotalConnections(int)},</em>
<a name="346" href="#346">346</a> <em> * {@link HttpConnectionManager#getParams()}.</em>
<a name="347" href="#347">347</a> <em> */</em>
<a name="348" href="#348">348</a> <strong>public</strong> <strong>void</strong> setMaxTotalConnections(<strong>int</strong> maxTotalConnections) {
<a name="349" href="#349">349</a> <strong>this</strong>.params.setMaxTotalConnections(maxTotalConnections);
<a name="350" href="#350">350</a> }
<a name="351" href="#351">351</a>
<a name="352" href="#352">352</a> <em>/**</em>
<a name="353" href="#353">353</a> <em> * Gets the maximum number of connections allowed for this connection manager.</em>
<a name="354" href="#354">354</a> <em> *</em>
<a name="355" href="#355">355</a> <em> * @return The maximum number of connections allowed</em>
<a name="356" href="#356">356</a> <em> * </em>
<a name="357" href="#357">357</a> <em> * @deprecated Use {@link HttpConnectionManagerParams#getMaxTotalConnections()},</em>
<a name="358" href="#358">358</a> <em> * {@link HttpConnectionManager#getParams()}.</em>
<a name="359" href="#359">359</a> <em> */</em>
<a name="360" href="#360">360</a> <strong>public</strong> <strong>int</strong> getMaxTotalConnections() {
<a name="361" href="#361">361</a> <strong>return</strong> <strong>this</strong>.params.getMaxTotalConnections();
<a name="362" href="#362">362</a> }
<a name="363" href="#363">363</a>
<a name="364" href="#364">364</a> <em>/**</em>
<a name="365" href="#365">365</a> <em> * @see HttpConnectionManager#getConnection(HostConfiguration)</em>
<a name="366" href="#366">366</a> <em> */</em>
<a name="367" href="#367">367</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> getConnection(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration) {
<a name="368" href="#368">368</a>
<a name="369" href="#369">369</a> <strong>while</strong> (<strong>true</strong>) {
<a name="370" href="#370">370</a> <strong>try</strong> {
<a name="371" href="#371">371</a> <strong>return</strong> getConnectionWithTimeout(hostConfiguration, 0);
<a name="372" href="#372">372</a> } <strong>catch</strong> (ConnectionPoolTimeoutException e) {
<a name="373" href="#373">373</a> <em class="comment">// we'll go ahead and log this, but it should never happen. HttpExceptions</em>
<a name="374" href="#374">374</a> <em class="comment">// are only thrown when the timeout occurs and since we have no timeout</em>
<a name="375" href="#375">375</a> <em class="comment">// it should never happen.</em>
<a name="376" href="#376">376</a> LOG.debug(
<a name="377" href="#377">377</a> <span class="string">"Unexpected exception while waiting for connection"</span>,
<a name="378" href="#378">378</a> e
<a name="379" href="#379">379</a> );
<a name="380" href="#380">380</a> }
<a name="381" href="#381">381</a> }
<a name="382" href="#382">382</a> }
<a name="383" href="#383">383</a>
<a name="384" href="#384">384</a> <em>/**</em>
<a name="385" href="#385">385</a> <em> * Gets a connection or waits if one is not available. A connection is</em>
<a name="386" href="#386">386</a> <em> * available if one exists that is not being used or if fewer than</em>
<a name="387" href="#387">387</a> <em> * maxHostConnections have been created in the connectionPool, and fewer</em>
<a name="388" href="#388">388</a> <em> * than maxTotalConnections have been created in all connectionPools.</em>
<a name="389" href="#389">389</a> <em> *</em>
<a name="390" href="#390">390</a> <em> * @param hostConfiguration The host configuration specifying the connection</em>
<a name="391" href="#391">391</a> <em> * details.</em>
<a name="392" href="#392">392</a> <em> * @param timeout the number of milliseconds to wait for a connection, 0 to</em>
<a name="393" href="#393">393</a> <em> * wait indefinitely</em>
<a name="394" href="#394">394</a> <em> *</em>
<a name="395" href="#395">395</a> <em> * @return HttpConnection an available connection</em>
<a name="396" href="#396">396</a> <em> *</em>
<a name="397" href="#397">397</a> <em> * @throws HttpException if a connection does not become available in</em>
<a name="398" href="#398">398</a> <em> * 'timeout' milliseconds</em>
<a name="399" href="#399">399</a> <em> * </em>
<a name="400" href="#400">400</a> <em> * @since 3.0</em>
<a name="401" href="#401">401</a> <em> */</em>
<a name="402" href="#402">402</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> getConnectionWithTimeout(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration,
<a name="403" href="#403">403</a> <strong>long</strong> timeout) throws ConnectionPoolTimeoutException {
<a name="404" href="#404">404</a>
<a name="405" href="#405">405</a> LOG.trace(<span class="string">"enter HttpConnectionManager.getConnectionWithTimeout(HostConfiguration, long)"</span>);
<a name="406" href="#406">406</a>
<a name="407" href="#407">407</a> <strong>if</strong> (hostConfiguration == <strong>null</strong>) {
<a name="408" href="#408">408</a> <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"hostConfiguration is null"</span>);
<a name="409" href="#409">409</a> }
<a name="410" href="#410">410</a>
<a name="411" href="#411">411</a> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="412" href="#412">412</a> LOG.debug(<span class="string">"HttpConnectionManager.getConnection: config = "</span>
<a name="413" href="#413">413</a> + hostConfiguration + <span class="string">", timeout = "</span> + timeout);
<a name="414" href="#414">414</a> }
<a name="415" href="#415">415</a>
<a name="416" href="#416">416</a> <strong>final</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> conn = doGetConnection(hostConfiguration, timeout);
<a name="417" href="#417">417</a>
<a name="418" href="#418">418</a> <em class="comment">// wrap the connection in an adapter so we can ensure it is used </em>
<a name="419" href="#419">419</a> <em class="comment">// only once</em>
<a name="420" href="#420">420</a> <strong>return</strong> <strong>new</strong> HttpConnectionAdapter(conn);
<a name="421" href="#421">421</a> }
<a name="422" href="#422">422</a>
<a name="423" href="#423">423</a> <em>/**</em>
<a name="424" href="#424">424</a> <em> * @see HttpConnectionManager#getConnection(HostConfiguration, long)</em>
<a name="425" href="#425">425</a> <em> * </em>
<a name="426" href="#426">426</a> <em> * @deprecated Use #getConnectionWithTimeout(HostConfiguration, long)</em>
<a name="427" href="#427">427</a> <em> */</em>
<a name="428" href="#428">428</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> getConnection(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration,
<a name="429" href="#429">429</a> <strong>long</strong> timeout) throws HttpException {
<a name="430" href="#430">430</a>
<a name="431" href="#431">431</a> LOG.trace(<span class="string">"enter HttpConnectionManager.getConnection(HostConfiguration, long)"</span>);
<a name="432" href="#432">432</a> <strong>try</strong> {
<a name="433" href="#433">433</a> <strong>return</strong> getConnectionWithTimeout(hostConfiguration, timeout);
<a name="434" href="#434">434</a> } <strong>catch</strong>(ConnectionPoolTimeoutException e) {
<a name="435" href="#435">435</a> <strong>throw</strong> <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/HttpException.html">HttpException</a>(e.getMessage());
<a name="436" href="#436">436</a> }
<a name="437" href="#437">437</a> }
<a name="438" href="#438">438</a>
<a name="439" href="#439">439</a> <strong>private</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> doGetConnection(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration,
<a name="440" href="#440">440</a> <strong>long</strong> timeout) throws ConnectionPoolTimeoutException {
<a name="441" href="#441">441</a>
<a name="442" href="#442">442</a> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> connection = <strong>null</strong>;
<a name="443" href="#443">443</a>
<a name="444" href="#444">444</a> <strong>int</strong> maxHostConnections = <strong>this</strong>.params.getMaxConnectionsPerHost(hostConfiguration);
<a name="445" href="#445">445</a> <strong>int</strong> maxTotalConnections = <strong>this</strong>.params.getMaxTotalConnections();
<a name="446" href="#446">446</a>
<a name="447" href="#447">447</a> <strong>synchronized</strong> (connectionPool) {
<a name="448" href="#448">448</a>
<a name="449" href="#449">449</a> <em class="comment">// we clone the hostConfiguration</em>
<a name="450" href="#450">450</a> <em class="comment">// so that it cannot be changed once the connection has been retrieved</em>
<a name="451" href="#451">451</a> hostConfiguration = <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a>(hostConfiguration);
<a name="452" href="#452">452</a> HostConnectionPool hostPool = connectionPool.getHostPool(hostConfiguration, <strong>true</strong>);
<a name="453" href="#453">453</a> WaitingThread waitingThread = <strong>null</strong>;
<a name="454" href="#454">454</a>
<a name="455" href="#455">455</a> <strong>boolean</strong> useTimeout = (timeout > 0);
<a name="456" href="#456">456</a> <strong>long</strong> timeToWait = timeout;
<a name="457" href="#457">457</a> <strong>long</strong> startWait = 0;
<a name="458" href="#458">458</a> <strong>long</strong> endWait = 0;
<a name="459" href="#459">459</a>
<a name="460" href="#460">460</a> <strong>while</strong> (connection == <strong>null</strong>) {
<a name="461" href="#461">461</a>
<a name="462" href="#462">462</a> <strong>if</strong> (shutdown) {
<a name="463" href="#463">463</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection factory has been shutdown."</span>);
<a name="464" href="#464">464</a> }
<a name="465" href="#465">465</a>
<a name="466" href="#466">466</a> <em class="comment">// happen to have a free connection with the right specs</em>
<a name="467" href="#467">467</a> <em class="comment">//</em>
<a name="468" href="#468">468</a> <strong>if</strong> (hostPool.freeConnections.size() > 0) {
<a name="469" href="#469">469</a> connection = connectionPool.getFreeConnection(hostConfiguration);
<a name="470" href="#470">470</a>
<a name="471" href="#471">471</a> <em class="comment">// have room to make more</em>
<a name="472" href="#472">472</a> <em class="comment">//</em>
<a name="473" href="#473">473</a> } <strong>else</strong> <strong>if</strong> ((hostPool.numConnections < maxHostConnections)
<a name="474" href="#474">474</a> && (connectionPool.numConnections < maxTotalConnections)) {
<a name="475" href="#475">475</a>
<a name="476" href="#476">476</a> connection = connectionPool.createConnection(hostConfiguration);
<a name="477" href="#477">477</a>
<a name="478" href="#478">478</a> <em class="comment">// have room to add host connection, and there is at least one free</em>
<a name="479" href="#479">479</a> <em class="comment">// connection that can be liberated to make overall room</em>
<a name="480" href="#480">480</a> <em class="comment">//</em>
<a name="481" href="#481">481</a> } <strong>else</strong> <strong>if</strong> ((hostPool.numConnections < maxHostConnections)
<a name="482" href="#482">482</a> && (connectionPool.freeConnections.size() > 0)) {
<a name="483" href="#483">483</a>
<a name="484" href="#484">484</a> connectionPool.deleteLeastUsedConnection();
<a name="485" href="#485">485</a> connection = connectionPool.createConnection(hostConfiguration);
<a name="486" href="#486">486</a>
<a name="487" href="#487">487</a> <em class="comment">// otherwise, we have to wait for one of the above conditions to</em>
<a name="488" href="#488">488</a> <em class="comment">// become true</em>
<a name="489" href="#489">489</a> <em class="comment">//</em>
<a name="490" href="#490">490</a> } <strong>else</strong> {
<a name="491" href="#491">491</a> <em class="comment">// TODO: keep track of which hostConfigurations have waiting</em>
<a name="492" href="#492">492</a> <em class="comment">// threads, so they avoid being sacrificed before necessary</em>
<a name="493" href="#493">493</a>
<a name="494" href="#494">494</a> <strong>try</strong> {
<a name="495" href="#495">495</a>
<a name="496" href="#496">496</a> <strong>if</strong> (useTimeout && timeToWait <= 0) {
<a name="497" href="#497">497</a> <strong>throw</strong> <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/ConnectionPoolTimeoutException.html">ConnectionPoolTimeoutException</a>(<span class="string">"Timeout waiting for connection"</span>);
<a name="498" href="#498">498</a> }
<a name="499" href="#499">499</a>
<a name="500" href="#500">500</a> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="501" href="#501">501</a> LOG.debug(<span class="string">"Unable to get a connection, waiting..., hostConfig="</span> + hostConfiguration);
<a name="502" href="#502">502</a> }
<a name="503" href="#503">503</a>
<a name="504" href="#504">504</a> <strong>if</strong> (waitingThread == <strong>null</strong>) {
<a name="505" href="#505">505</a> waitingThread = <strong>new</strong> WaitingThread();
<a name="506" href="#506">506</a> waitingThread.hostConnectionPool = hostPool;
<a name="507" href="#507">507</a> waitingThread.thread = Thread.currentThread();
<a name="508" href="#508">508</a> } <strong>else</strong> {
<a name="509" href="#509">509</a> waitingThread.interruptedByConnectionPool = false;
<a name="510" href="#510">510</a> }
<a name="511" href="#511">511</a>
<a name="512" href="#512">512</a> <strong>if</strong> (useTimeout) {
<a name="513" href="#513">513</a> startWait = System.currentTimeMillis();
<a name="514" href="#514">514</a> }
<a name="515" href="#515">515</a>
<a name="516" href="#516">516</a> hostPool.waitingThreads.addLast(waitingThread);
<a name="517" href="#517">517</a> connectionPool.waitingThreads.addLast(waitingThread);
<a name="518" href="#518">518</a> connectionPool.wait(timeToWait);
<a name="519" href="#519">519</a> } <strong>catch</strong> (InterruptedException e) {
<a name="520" href="#520">520</a> <strong>if</strong> (!waitingThread.interruptedByConnectionPool) {
<a name="521" href="#521">521</a> LOG.debug(<span class="string">"Interrupted while waiting for connection"</span>, e);
<a name="522" href="#522">522</a> <strong>throw</strong> <strong>new</strong> IllegalThreadStateException(
<a name="523" href="#523">523</a> <span class="string">"Interrupted while waiting in MultiThreadedHttpConnectionManager"</span>);
<a name="524" href="#524">524</a> }
<a name="525" href="#525">525</a> <em class="comment">// Else, do nothing, we were interrupted by the connection pool</em>
<a name="526" href="#526">526</a> <em class="comment">// and should now have a connection waiting for us, continue</em>
<a name="527" href="#527">527</a> <em class="comment">// in the loop and let's get it.</em>
<a name="528" href="#528">528</a> } <strong>finally</strong> {
<a name="529" href="#529">529</a> <strong>if</strong> (!waitingThread.interruptedByConnectionPool) {
<a name="530" href="#530">530</a> <em class="comment">// Either we timed out, experienced a "spurious wakeup", or were</em>
<a name="531" href="#531">531</a> <em class="comment">// interrupted by an external thread. Regardless we need to </em>
<a name="532" href="#532">532</a> <em class="comment">// cleanup for ourselves in the wait queue.</em>
<a name="533" href="#533">533</a> hostPool.waitingThreads.remove(waitingThread);
<a name="534" href="#534">534</a> connectionPool.waitingThreads.remove(waitingThread);
<a name="535" href="#535">535</a> }
<a name="536" href="#536">536</a>
<a name="537" href="#537">537</a> <strong>if</strong> (useTimeout) {
<a name="538" href="#538">538</a> endWait = System.currentTimeMillis();
<a name="539" href="#539">539</a> timeToWait -= (endWait - startWait);
<a name="540" href="#540">540</a> }
<a name="541" href="#541">541</a> }
<a name="542" href="#542">542</a> }
<a name="543" href="#543">543</a> }
<a name="544" href="#544">544</a> }
<a name="545" href="#545">545</a> <strong>return</strong> connection;
<a name="546" href="#546">546</a> }
<a name="547" href="#547">547</a>
<a name="548" href="#548">548</a> <em>/**</em>
<a name="549" href="#549">549</a> <em> * Gets the total number of pooled connections for the given host configuration. This </em>
<a name="550" href="#550">550</a> <em> * is the total number of connections that have been created and are still in use </em>
<a name="551" href="#551">551</a> <em> * by this connection manager for the host configuration. This value will</em>
<a name="552" href="#552">552</a> <em> * not exceed the {@link #getMaxConnectionsPerHost() maximum number of connections per</em>
<a name="553" href="#553">553</a> <em> * host}.</em>
<a name="554" href="#554">554</a> <em> * </em>
<a name="555" href="#555">555</a> <em> * @param hostConfiguration The host configuration</em>
<a name="556" href="#556">556</a> <em> * @return The total number of pooled connections</em>
<a name="557" href="#557">557</a> <em> */</em>
<a name="558" href="#558">558</a> <strong>public</strong> <strong>int</strong> getConnectionsInPool(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration) {
<a name="559" href="#559">559</a> <strong>synchronized</strong> (connectionPool) {
<a name="560" href="#560">560</a> HostConnectionPool hostPool = connectionPool.getHostPool(hostConfiguration, false);
<a name="561" href="#561">561</a> <strong>return</strong> (hostPool != <strong>null</strong>) ? hostPool.numConnections : 0;
<a name="562" href="#562">562</a> }
<a name="563" href="#563">563</a> }
<a name="564" href="#564">564</a>
<a name="565" href="#565">565</a> <em>/**</em>
<a name="566" href="#566">566</a> <em> * Gets the total number of pooled connections. This is the total number of </em>
<a name="567" href="#567">567</a> <em> * connections that have been created and are still in use by this connection </em>
<a name="568" href="#568">568</a> <em> * manager. This value will not exceed the {@link #getMaxTotalConnections() </em>
<a name="569" href="#569">569</a> <em> * maximum number of connections}.</em>
<a name="570" href="#570">570</a> <em> * </em>
<a name="571" href="#571">571</a> <em> * @return the total number of pooled connections</em>
<a name="572" href="#572">572</a> <em> */</em>
<a name="573" href="#573">573</a> <strong>public</strong> <strong>int</strong> getConnectionsInPool() {
<a name="574" href="#574">574</a> <strong>synchronized</strong> (connectionPool) {
<a name="575" href="#575">575</a> <strong>return</strong> connectionPool.numConnections;
<a name="576" href="#576">576</a> }
<a name="577" href="#577">577</a> }
<a name="578" href="#578">578</a>
<a name="579" href="#579">579</a> <em>/**</em>
<a name="580" href="#580">580</a> <em> * Gets the number of connections in use for this configuration.</em>
<a name="581" href="#581">581</a> <em> *</em>
<a name="582" href="#582">582</a> <em> * @param hostConfiguration the key that connections are tracked on</em>
<a name="583" href="#583">583</a> <em> * @return the number of connections in use</em>
<a name="584" href="#584">584</a> <em> * </em>
<a name="585" href="#585">585</a> <em> * @deprecated Use {@link #getConnectionsInPool(HostConfiguration)}</em>
<a name="586" href="#586">586</a> <em> */</em>
<a name="587" href="#587">587</a> <strong>public</strong> <strong>int</strong> getConnectionsInUse(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration) {
<a name="588" href="#588">588</a> <strong>return</strong> getConnectionsInPool(hostConfiguration);
<a name="589" href="#589">589</a> }
<a name="590" href="#590">590</a>
<a name="591" href="#591">591</a> <em>/**</em>
<a name="592" href="#592">592</a> <em> * Gets the total number of connections in use.</em>
<a name="593" href="#593">593</a> <em> * </em>
<a name="594" href="#594">594</a> <em> * @return the total number of connections in use</em>
<a name="595" href="#595">595</a> <em> * </em>
<a name="596" href="#596">596</a> <em> * @deprecated Use {@link #getConnectionsInPool()}</em>
<a name="597" href="#597">597</a> <em> */</em>
<a name="598" href="#598">598</a> <strong>public</strong> <strong>int</strong> getConnectionsInUse() {
<a name="599" href="#599">599</a> <strong>return</strong> getConnectionsInPool();
<a name="600" href="#600">600</a> }
<a name="601" href="#601">601</a>
<a name="602" href="#602">602</a> <em>/**</em>
<a name="603" href="#603">603</a> <em> * Deletes all closed connections. Only connections currently owned by the connection</em>
<a name="604" href="#604">604</a> <em> * manager are processed.</em>
<a name="605" href="#605">605</a> <em> * </em>
<a name="606" href="#606">606</a> <em> * @see HttpConnection#isOpen()</em>
<a name="607" href="#607">607</a> <em> * </em>
<a name="608" href="#608">608</a> <em> * @since 3.0</em>
<a name="609" href="#609">609</a> <em> */</em>
<a name="610" href="#610">610</a> <strong>public</strong> <strong>void</strong> deleteClosedConnections() {
<a name="611" href="#611">611</a> connectionPool.deleteClosedConnections();
<a name="612" href="#612">612</a> }
<a name="613" href="#613">613</a>
<a name="614" href="#614">614</a> <em>/**</em>
<a name="615" href="#615">615</a> <em> * @since 3.0</em>
<a name="616" href="#616">616</a> <em> */</em>
<a name="617" href="#617">617</a> <strong>public</strong> <strong>void</strong> closeIdleConnections(<strong>long</strong> idleTimeout) {
<a name="618" href="#618">618</a> connectionPool.closeIdleConnections(idleTimeout);
<a name="619" href="#619">619</a> deleteClosedConnections();
<a name="620" href="#620">620</a> }
<a name="621" href="#621">621</a>
<a name="622" href="#622">622</a> <em>/**</em>
<a name="623" href="#623">623</a> <em> * Make the given HttpConnection available for use by other requests.</em>
<a name="624" href="#624">624</a> <em> * If another thread is blocked in getConnection() that could use this</em>
<a name="625" href="#625">625</a> <em> * connection, it will be woken up.</em>
<a name="626" href="#626">626</a> <em> *</em>
<a name="627" href="#627">627</a> <em> * @param conn the HttpConnection to make available.</em>
<a name="628" href="#628">628</a> <em> */</em>
<a name="629" href="#629">629</a> <strong>public</strong> <strong>void</strong> releaseConnection(<a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> conn) {
<a name="630" href="#630">630</a> LOG.trace(<span class="string">"enter HttpConnectionManager.releaseConnection(HttpConnection)"</span>);
<a name="631" href="#631">631</a>
<a name="632" href="#632">632</a> <strong>if</strong> (conn instanceof HttpConnectionAdapter) {
<a name="633" href="#633">633</a> <em class="comment">// connections given out are wrapped in an HttpConnectionAdapter</em>
<a name="634" href="#634">634</a> conn = ((HttpConnectionAdapter) conn).getWrappedConnection();
<a name="635" href="#635">635</a> } <strong>else</strong> {
<a name="636" href="#636">636</a> <em class="comment">// this is okay, when an HttpConnectionAdapter is released</em>
<a name="637" href="#637">637</a> <em class="comment">// is releases the real connection</em>
<a name="638" href="#638">638</a> }
<a name="639" href="#639">639</a>
<a name="640" href="#640">640</a> <em class="comment">// make sure that the response has been read.</em>
<a name="641" href="#641">641</a> SimpleHttpConnectionManager.finishLastResponse(conn);
<a name="642" href="#642">642</a>
<a name="643" href="#643">643</a> connectionPool.freeConnection(conn);
<a name="644" href="#644">644</a> }
<a name="645" href="#645">645</a>
<a name="646" href="#646">646</a> <em>/**</em>
<a name="647" href="#647">647</a> <em> * Gets the host configuration for a connection.</em>
<a name="648" href="#648">648</a> <em> * @param conn the connection to get the configuration of</em>
<a name="649" href="#649">649</a> <em> * @return a new HostConfiguration</em>
<a name="650" href="#650">650</a> <em> */</em>
<a name="651" href="#651">651</a> <strong>private</strong> <a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> configurationForConnection(<a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> conn) {
<a name="652" href="#652">652</a>
<a name="653" href="#653">653</a> <a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> connectionConfiguration = <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a>();
<a name="654" href="#654">654</a>
<a name="655" href="#655">655</a> connectionConfiguration.setHost(
<a name="656" href="#656">656</a> conn.getHost(),
<a name="657" href="#657">657</a> conn.getPort(),
<a name="658" href="#658">658</a> conn.getProtocol()
<a name="659" href="#659">659</a> );
<a name="660" href="#660">660</a> <strong>if</strong> (conn.getLocalAddress() != <strong>null</strong>) {
<a name="661" href="#661">661</a> connectionConfiguration.setLocalAddress(conn.getLocalAddress());
<a name="662" href="#662">662</a> }
<a name="663" href="#663">663</a> <strong>if</strong> (conn.getProxyHost() != <strong>null</strong>) {
<a name="664" href="#664">664</a> connectionConfiguration.setProxy(conn.getProxyHost(), conn.getProxyPort());
<a name="665" href="#665">665</a> }
<a name="666" href="#666">666</a>
<a name="667" href="#667">667</a> <strong>return</strong> connectionConfiguration;
<a name="668" href="#668">668</a> }
<a name="669" href="#669">669</a>
<a name="670" href="#670">670</a> <em>/**</em>
<a name="671" href="#671">671</a> <em> * Returns {@link HttpConnectionManagerParams parameters} associated </em>
<a name="672" href="#672">672</a> <em> * with this connection manager.</em>
<a name="673" href="#673">673</a> <em> * </em>
<a name="674" href="#674">674</a> <em> * @since 3.0</em>
<a name="675" href="#675">675</a> <em> * </em>
<a name="676" href="#676">676</a> <em> * @see HttpConnectionManagerParams</em>
<a name="677" href="#677">677</a> <em> */</em>
<a name="678" href="#678">678</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/params/HttpConnectionManagerParams.html">HttpConnectionManagerParams</a> getParams() {
<a name="679" href="#679">679</a> <strong>return</strong> <strong>this</strong>.params;
<a name="680" href="#680">680</a> }
<a name="681" href="#681">681</a>
<a name="682" href="#682">682</a> <em>/**</em>
<a name="683" href="#683">683</a> <em> * Assigns {@link HttpConnectionManagerParams parameters} for this </em>
<a name="684" href="#684">684</a> <em> * connection manager.</em>
<a name="685" href="#685">685</a> <em> * </em>
<a name="686" href="#686">686</a> <em> * @since 3.0</em>
<a name="687" href="#687">687</a> <em> * </em>
<a name="688" href="#688">688</a> <em> * @see HttpConnectionManagerParams</em>
<a name="689" href="#689">689</a> <em> */</em>
<a name="690" href="#690">690</a> <strong>public</strong> <strong>void</strong> setParams(<strong>final</strong> <a href="../../../../org/apache/commons/httpclient/params/HttpConnectionManagerParams.html">HttpConnectionManagerParams</a> params) {
<a name="691" href="#691">691</a> <strong>if</strong> (params == <strong>null</strong>) {
<a name="692" href="#692">692</a> <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"Parameters may not be null"</span>);
<a name="693" href="#693">693</a> }
<a name="694" href="#694">694</a> <strong>this</strong>.params = params;
<a name="695" href="#695">695</a> }
<a name="696" href="#696">696</a>
<a name="697" href="#697">697</a> <em>/**</em>
<a name="698" href="#698">698</a> <em> * Global Connection Pool, including per-host pools</em>
<a name="699" href="#699">699</a> <em> */</em>
<a name="700" href="#700">700</a> <strong>private</strong> <strong>class</strong> ConnectionPool {
<a name="701" href="#701">701</a>
<a name="702" href="#702">702</a> <em>/**</em><em> The list of free connections */</em>
<a name="703" href="#703">703</a> <strong>private</strong> LinkedList freeConnections = <strong>new</strong> LinkedList();
<a name="704" href="#704">704</a>
<a name="705" href="#705">705</a> <em>/**</em><em> The list of WaitingThreads waiting for a connection */</em>
<a name="706" href="#706">706</a> <strong>private</strong> LinkedList waitingThreads = <strong>new</strong> LinkedList();
<a name="707" href="#707">707</a>
<a name="708" href="#708">708</a> <em>/**</em>
<a name="709" href="#709">709</a> <em> * Map where keys are {@link HostConfiguration}s and values are {@link</em>
<a name="710" href="#710">710</a> <em> * HostConnectionPool}s</em>
<a name="711" href="#711">711</a> <em> */</em>
<a name="712" href="#712">712</a> <strong>private</strong> <strong>final</strong> Map mapHosts = <strong>new</strong> HashMap();
<a name="713" href="#713">713</a>
<a name="714" href="#714">714</a> <strong>private</strong> <a href="../../../../org/apache/commons/httpclient/util/IdleConnectionHandler.html">IdleConnectionHandler</a> idleConnectionHandler = <strong>new</strong> <a href="../../../../org/apache/commons/httpclient/util/IdleConnectionHandler.html">IdleConnectionHandler</a>();
<a name="715" href="#715">715</a>
<a name="716" href="#716">716</a> <em>/**</em><em> The number of created connections */</em>
<a name="717" href="#717">717</a> <strong>private</strong> <strong>int</strong> numConnections = 0;
<a name="718" href="#718">718</a>
<a name="719" href="#719">719</a> <em>/**</em>
<a name="720" href="#720">720</a> <em> * Cleans up all connection pool resources.</em>
<a name="721" href="#721">721</a> <em> */</em>
<a name="722" href="#722">722</a> <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> shutdown() {
<a name="723" href="#723">723</a>
<a name="724" href="#724">724</a> <em class="comment">// close all free connections</em>
<a name="725" href="#725">725</a> Iterator iter = freeConnections.iterator();
<a name="726" href="#726">726</a> <strong>while</strong> (iter.hasNext()) {
<a name="727" href="#727">727</a> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> conn = (HttpConnection) iter.next();
<a name="728" href="#728">728</a> iter.remove();
<a name="729" href="#729">729</a> conn.close();
<a name="730" href="#730">730</a> }
<a name="731" href="#731">731</a>
<a name="732" href="#732">732</a> <em class="comment">// close all connections that have been checked out</em>
<a name="733" href="#733">733</a> shutdownCheckedOutConnections(<strong>this</strong>);
<a name="734" href="#734">734</a>
<a name="735" href="#735">735</a> <em class="comment">// interrupt all waiting threads</em>
<a name="736" href="#736">736</a> iter = waitingThreads.iterator();
<a name="737" href="#737">737</a> <strong>while</strong> (iter.hasNext()) {
<a name="738" href="#738">738</a> WaitingThread waiter = (WaitingThread) iter.next();
<a name="739" href="#739">739</a> iter.remove();
<a name="740" href="#740">740</a> waiter.interruptedByConnectionPool = <strong>true</strong>;
<a name="741" href="#741">741</a> waiter.thread.interrupt();
<a name="742" href="#742">742</a> }
<a name="743" href="#743">743</a>
<a name="744" href="#744">744</a> <em class="comment">// clear out map hosts</em>
<a name="745" href="#745">745</a> mapHosts.clear();
<a name="746" href="#746">746</a>
<a name="747" href="#747">747</a> <em class="comment">// remove all references to connections</em>
<a name="748" href="#748">748</a> idleConnectionHandler.removeAll();
<a name="749" href="#749">749</a> }
<a name="750" href="#750">750</a>
<a name="751" href="#751">751</a> <em>/**</em>
<a name="752" href="#752">752</a> <em> * Creates a new connection and returns it for use of the calling method.</em>
<a name="753" href="#753">753</a> <em> *</em>
<a name="754" href="#754">754</a> <em> * @param hostConfiguration the configuration for the connection</em>
<a name="755" href="#755">755</a> <em> * @return a new connection or <code>null</code> if none are available</em>
<a name="756" href="#756">756</a> <em> */</em>
<a name="757" href="#757">757</a> <strong>public</strong> <strong>synchronized</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> createConnection(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration) {
<a name="758" href="#758">758</a> HostConnectionPool hostPool = getHostPool(hostConfiguration, <strong>true</strong>);
<a name="759" href="#759">759</a> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="760" href="#760">760</a> LOG.debug(<span class="string">"Allocating new connection, hostConfig="</span> + hostConfiguration);
<a name="761" href="#761">761</a> }
<a name="762" href="#762">762</a> HttpConnectionWithReference connection = <strong>new</strong> HttpConnectionWithReference(
<a name="763" href="#763">763</a> hostConfiguration);
<a name="764" href="#764">764</a> connection.getParams().setDefaults(MultiThreadedHttpConnectionManager.<strong>this</strong>.params);
<a name="765" href="#765">765</a> connection.setHttpConnectionManager(MultiThreadedHttpConnectionManager.<strong>this</strong>);
<a name="766" href="#766">766</a> numConnections++;
<a name="767" href="#767">767</a> hostPool.numConnections++;
<a name="768" href="#768">768</a>
<a name="769" href="#769">769</a> <em class="comment">// store a reference to this connection so that it can be cleaned up</em>
<a name="770" href="#770">770</a> <em class="comment">// in the event it is not correctly released</em>
<a name="771" href="#771">771</a> storeReferenceToConnection(connection, hostConfiguration, <strong>this</strong>);
<a name="772" href="#772">772</a> <strong>return</strong> connection;
<a name="773" href="#773">773</a> }
<a name="774" href="#774">774</a>
<a name="775" href="#775">775</a> <em>/**</em>
<a name="776" href="#776">776</a> <em> * Handles cleaning up for a lost connection with the given config. Decrements any </em>
<a name="777" href="#777">777</a> <em> * connection counts and notifies waiting threads, if appropriate.</em>
<a name="778" href="#778">778</a> <em> * </em>
<a name="779" href="#779">779</a> <em> * @param config the host configuration of the connection that was lost</em>
<a name="780" href="#780">780</a> <em> */</em>
<a name="781" href="#781">781</a> <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> handleLostConnection(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> config) {
<a name="782" href="#782">782</a> HostConnectionPool hostPool = getHostPool(config, <strong>true</strong>);
<a name="783" href="#783">783</a> hostPool.numConnections--;
<a name="784" href="#784">784</a> <strong>if</strong> ((hostPool.numConnections == 0) &&
<a name="785" href="#785">785</a> hostPool.waitingThreads.isEmpty()) {
<a name="786" href="#786">786</a>
<a name="787" href="#787">787</a> mapHosts.remove(config);
<a name="788" href="#788">788</a> }
<a name="789" href="#789">789</a>
<a name="790" href="#790">790</a> numConnections--;
<a name="791" href="#791">791</a> notifyWaitingThread(config);
<a name="792" href="#792">792</a> }
<a name="793" href="#793">793</a>
<a name="794" href="#794">794</a> <em>/**</em>
<a name="795" href="#795">795</a> <em> * Get the pool (list) of connections available for the given hostConfig.</em>
<a name="796" href="#796">796</a> <em> *</em>
<a name="797" href="#797">797</a> <em> * @param hostConfiguration the configuraton for the connection pool</em>
<a name="798" href="#798">798</a> <em> * @param create <code>true</code> to create a pool if not found,</em>
<a name="799" href="#799">799</a> <em> * <code>false</code> to return <code>null</code></em>
<a name="800" href="#800">800</a> <em> *</em>
<a name="801" href="#801">801</a> <em> * @return a pool (list) of connections available for the given config,</em>
<a name="802" href="#802">802</a> <em> * or <code>null</code> if neither found nor created</em>
<a name="803" href="#803">803</a> <em> */</em>
<a name="804" href="#804">804</a> <strong>public</strong> <strong>synchronized</strong> HostConnectionPool getHostPool(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration, <strong>boolean</strong> create) {
<a name="805" href="#805">805</a> LOG.trace(<span class="string">"enter HttpConnectionManager.ConnectionPool.getHostPool(HostConfiguration)"</span>);
<a name="806" href="#806">806</a>
<a name="807" href="#807">807</a> <em class="comment">// Look for a list of connections for the given config</em>
<a name="808" href="#808">808</a> HostConnectionPool listConnections = (HostConnectionPool)
<a name="809" href="#809">809</a> mapHosts.get(hostConfiguration);
<a name="810" href="#810">810</a> <strong>if</strong> ((listConnections == <strong>null</strong>) && create) {
<a name="811" href="#811">811</a> <em class="comment">// First time for this config</em>
<a name="812" href="#812">812</a> listConnections = <strong>new</strong> HostConnectionPool();
<a name="813" href="#813">813</a> listConnections.hostConfiguration = hostConfiguration;
<a name="814" href="#814">814</a> mapHosts.put(hostConfiguration, listConnections);
<a name="815" href="#815">815</a> }
<a name="816" href="#816">816</a>
<a name="817" href="#817">817</a> <strong>return</strong> listConnections;
<a name="818" href="#818">818</a> }
<a name="819" href="#819">819</a>
<a name="820" href="#820">820</a> <em>/**</em>
<a name="821" href="#821">821</a> <em> * If available, get a free connection for this host</em>
<a name="822" href="#822">822</a> <em> *</em>
<a name="823" href="#823">823</a> <em> * @param hostConfiguration the configuraton for the connection pool</em>
<a name="824" href="#824">824</a> <em> * @return an available connection for the given config</em>
<a name="825" href="#825">825</a> <em> */</em>
<a name="826" href="#826">826</a> <strong>public</strong> <strong>synchronized</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> getFreeConnection(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration) {
<a name="827" href="#827">827</a>
<a name="828" href="#828">828</a> HttpConnectionWithReference connection = <strong>null</strong>;
<a name="829" href="#829">829</a>
<a name="830" href="#830">830</a> HostConnectionPool hostPool = getHostPool(hostConfiguration, false);
<a name="831" href="#831">831</a>
<a name="832" href="#832">832</a> <strong>if</strong> ((hostPool != <strong>null</strong>) && (hostPool.freeConnections.size() > 0)) {
<a name="833" href="#833">833</a> connection = (HttpConnectionWithReference) hostPool.freeConnections.removeLast();
<a name="834" href="#834">834</a> freeConnections.remove(connection);
<a name="835" href="#835">835</a> <em class="comment">// store a reference to this connection so that it can be cleaned up</em>
<a name="836" href="#836">836</a> <em class="comment">// in the event it is not correctly released</em>
<a name="837" href="#837">837</a> storeReferenceToConnection(connection, hostConfiguration, <strong>this</strong>);
<a name="838" href="#838">838</a> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="839" href="#839">839</a> LOG.debug(<span class="string">"Getting free connection, hostConfig="</span> + hostConfiguration);
<a name="840" href="#840">840</a> }
<a name="841" href="#841">841</a>
<a name="842" href="#842">842</a> <em class="comment">// remove the connection from the timeout handler</em>
<a name="843" href="#843">843</a> idleConnectionHandler.remove(connection);
<a name="844" href="#844">844</a> } <strong>else</strong> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="845" href="#845">845</a> LOG.debug(<span class="string">"There were no free connections to get, hostConfig="</span>
<a name="846" href="#846">846</a> + hostConfiguration);
<a name="847" href="#847">847</a> }
<a name="848" href="#848">848</a> <strong>return</strong> connection;
<a name="849" href="#849">849</a> }
<a name="850" href="#850">850</a>
<a name="851" href="#851">851</a> <em>/**</em>
<a name="852" href="#852">852</a> <em> * Deletes all closed connections.</em>
<a name="853" href="#853">853</a> <em> */</em>
<a name="854" href="#854">854</a> <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> deleteClosedConnections() {
<a name="855" href="#855">855</a>
<a name="856" href="#856">856</a> Iterator iter = freeConnections.iterator();
<a name="857" href="#857">857</a>
<a name="858" href="#858">858</a> <strong>while</strong> (iter.hasNext()) {
<a name="859" href="#859">859</a> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> conn = (HttpConnection) iter.next();
<a name="860" href="#860">860</a> <strong>if</strong> (!conn.isOpen()) {
<a name="861" href="#861">861</a> iter.remove();
<a name="862" href="#862">862</a> deleteConnection(conn);
<a name="863" href="#863">863</a> }
<a name="864" href="#864">864</a> }
<a name="865" href="#865">865</a> }
<a name="866" href="#866">866</a>
<a name="867" href="#867">867</a> <em>/**</em>
<a name="868" href="#868">868</a> <em> * Closes idle connections.</em>
<a name="869" href="#869">869</a> <em> * @param idleTimeout</em>
<a name="870" href="#870">870</a> <em> */</em>
<a name="871" href="#871">871</a> <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> closeIdleConnections(<strong>long</strong> idleTimeout) {
<a name="872" href="#872">872</a> idleConnectionHandler.closeIdleConnections(idleTimeout);
<a name="873" href="#873">873</a> }
<a name="874" href="#874">874</a>
<a name="875" href="#875">875</a> <em>/**</em>
<a name="876" href="#876">876</a> <em> * Deletes the given connection. This will remove all reference to the connection</em>
<a name="877" href="#877">877</a> <em> * so that it can be GCed.</em>
<a name="878" href="#878">878</a> <em> * </em>
<a name="879" href="#879">879</a> <em> * <p><b>Note:</b> Does not remove the connection from the freeConnections list. It</em>
<a name="880" href="#880">880</a> <em> * is assumed that the caller has already handled this case.</p></em>
<a name="881" href="#881">881</a> <em> * </em>
<a name="882" href="#882">882</a> <em> * @param connection The connection to delete</em>
<a name="883" href="#883">883</a> <em> */</em>
<a name="884" href="#884">884</a> <strong>private</strong> <strong>synchronized</strong> <strong>void</strong> deleteConnection(<a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> connection) {
<a name="885" href="#885">885</a>
<a name="886" href="#886">886</a> <a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> connectionConfiguration = configurationForConnection(connection);
<a name="887" href="#887">887</a>
<a name="888" href="#888">888</a> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="889" href="#889">889</a> LOG.debug(<span class="string">"Reclaiming connection, hostConfig="</span> + connectionConfiguration);
<a name="890" href="#890">890</a> }
<a name="891" href="#891">891</a>
<a name="892" href="#892">892</a> connection.close();
<a name="893" href="#893">893</a>
<a name="894" href="#894">894</a> HostConnectionPool hostPool = getHostPool(connectionConfiguration, <strong>true</strong>);
<a name="895" href="#895">895</a>
<a name="896" href="#896">896</a> hostPool.freeConnections.remove(connection);
<a name="897" href="#897">897</a> hostPool.numConnections--;
<a name="898" href="#898">898</a> numConnections--;
<a name="899" href="#899">899</a> <strong>if</strong> ((hostPool.numConnections == 0) &&
<a name="900" href="#900">900</a> hostPool.waitingThreads.isEmpty()) {
<a name="901" href="#901">901</a>
<a name="902" href="#902">902</a> mapHosts.remove(connectionConfiguration);
<a name="903" href="#903">903</a> }
<a name="904" href="#904">904</a>
<a name="905" href="#905">905</a> <em class="comment">// remove the connection from the timeout handler</em>
<a name="906" href="#906">906</a> idleConnectionHandler.remove(connection);
<a name="907" href="#907">907</a> }
<a name="908" href="#908">908</a>
<a name="909" href="#909">909</a> <em>/**</em>
<a name="910" href="#910">910</a> <em> * Close and delete an old, unused connection to make room for a new one.</em>
<a name="911" href="#911">911</a> <em> */</em>
<a name="912" href="#912">912</a> <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> deleteLeastUsedConnection() {
<a name="913" href="#913">913</a>
<a name="914" href="#914">914</a> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> connection = (HttpConnection) freeConnections.removeFirst();
<a name="915" href="#915">915</a>
<a name="916" href="#916">916</a> <strong>if</strong> (connection != <strong>null</strong>) {
<a name="917" href="#917">917</a> deleteConnection(connection);
<a name="918" href="#918">918</a> } <strong>else</strong> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="919" href="#919">919</a> LOG.debug(<span class="string">"Attempted to reclaim an unused connection but there were none."</span>);
<a name="920" href="#920">920</a> }
<a name="921" href="#921">921</a> }
<a name="922" href="#922">922</a>
<a name="923" href="#923">923</a> <em>/**</em>
<a name="924" href="#924">924</a> <em> * Notifies a waiting thread that a connection for the given configuration is </em>
<a name="925" href="#925">925</a> <em> * available.</em>
<a name="926" href="#926">926</a> <em> * @param configuration the host config to use for notifying</em>
<a name="927" href="#927">927</a> <em> * @see #notifyWaitingThread(HostConnectionPool)</em>
<a name="928" href="#928">928</a> <em> */</em>
<a name="929" href="#929">929</a> <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> notifyWaitingThread(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> configuration) {
<a name="930" href="#930">930</a> notifyWaitingThread(getHostPool(configuration, <strong>true</strong>));
<a name="931" href="#931">931</a> }
<a name="932" href="#932">932</a>
<a name="933" href="#933">933</a> <em>/**</em>
<a name="934" href="#934">934</a> <em> * Notifies a waiting thread that a connection for the given configuration is </em>
<a name="935" href="#935">935</a> <em> * available. This will wake a thread waiting in this host pool or if there is not</em>
<a name="936" href="#936">936</a> <em> * one a thread in the connection pool will be notified.</em>
<a name="937" href="#937">937</a> <em> * </em>
<a name="938" href="#938">938</a> <em> * @param hostPool the host pool to use for notifying</em>
<a name="939" href="#939">939</a> <em> */</em>
<a name="940" href="#940">940</a> <strong>public</strong> <strong>synchronized</strong> <strong>void</strong> notifyWaitingThread(HostConnectionPool hostPool) {
<a name="941" href="#941">941</a>
<a name="942" href="#942">942</a> <em class="comment">// find the thread we are going to notify, we want to ensure that each</em>
<a name="943" href="#943">943</a> <em class="comment">// waiting thread is only interrupted once so we will remove it from </em>
<a name="944" href="#944">944</a> <em class="comment">// all wait queues before interrupting it</em>
<a name="945" href="#945">945</a> WaitingThread waitingThread = <strong>null</strong>;
<a name="946" href="#946">946</a>
<a name="947" href="#947">947</a> <strong>if</strong> (hostPool.waitingThreads.size() > 0) {
<a name="948" href="#948">948</a> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="949" href="#949">949</a> LOG.debug(<span class="string">"Notifying thread waiting on host pool, hostConfig="</span>
<a name="950" href="#950">950</a> + hostPool.hostConfiguration);
<a name="951" href="#951">951</a> }
<a name="952" href="#952">952</a> waitingThread = (WaitingThread) hostPool.waitingThreads.removeFirst();
<a name="953" href="#953">953</a> waitingThreads.remove(waitingThread);
<a name="954" href="#954">954</a> } <strong>else</strong> <strong>if</strong> (waitingThreads.size() > 0) {
<a name="955" href="#955">955</a> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="956" href="#956">956</a> LOG.debug(<span class="string">"No-one waiting on host pool, notifying next waiting thread."</span>);
<a name="957" href="#957">957</a> }
<a name="958" href="#958">958</a> waitingThread = (WaitingThread) waitingThreads.removeFirst();
<a name="959" href="#959">959</a> waitingThread.hostConnectionPool.waitingThreads.remove(waitingThread);
<a name="960" href="#960">960</a> } <strong>else</strong> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="961" href="#961">961</a> LOG.debug(<span class="string">"Notifying no-one, there are no waiting threads"</span>);
<a name="962" href="#962">962</a> }
<a name="963" href="#963">963</a>
<a name="964" href="#964">964</a> <strong>if</strong> (waitingThread != <strong>null</strong>) {
<a name="965" href="#965">965</a> waitingThread.interruptedByConnectionPool = <strong>true</strong>;
<a name="966" href="#966">966</a> waitingThread.thread.interrupt();
<a name="967" href="#967">967</a> }
<a name="968" href="#968">968</a> }
<a name="969" href="#969">969</a>
<a name="970" href="#970">970</a> <em>/**</em>
<a name="971" href="#971">971</a> <em> * Marks the given connection as free.</em>
<a name="972" href="#972">972</a> <em> * @param conn a connection that is no longer being used</em>
<a name="973" href="#973">973</a> <em> */</em>
<a name="974" href="#974">974</a> <strong>public</strong> <strong>void</strong> freeConnection(<a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> conn) {
<a name="975" href="#975">975</a>
<a name="976" href="#976">976</a> <a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> connectionConfiguration = configurationForConnection(conn);
<a name="977" href="#977">977</a>
<a name="978" href="#978">978</a> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="979" href="#979">979</a> LOG.debug(<span class="string">"Freeing connection, hostConfig="</span> + connectionConfiguration);
<a name="980" href="#980">980</a> }
<a name="981" href="#981">981</a>
<a name="982" href="#982">982</a> <strong>synchronized</strong> (<strong>this</strong>) {
<a name="983" href="#983">983</a>
<a name="984" href="#984">984</a> <strong>if</strong> (shutdown) {
<a name="985" href="#985">985</a> <em class="comment">// the connection manager has been shutdown, release the connection's</em>
<a name="986" href="#986">986</a> <em class="comment">// resources and get out of here</em>
<a name="987" href="#987">987</a> conn.close();
<a name="988" href="#988">988</a> <strong>return</strong>;
<a name="989" href="#989">989</a> }
<a name="990" href="#990">990</a>
<a name="991" href="#991">991</a> HostConnectionPool hostPool = getHostPool(connectionConfiguration, <strong>true</strong>);
<a name="992" href="#992">992</a>
<a name="993" href="#993">993</a> <em class="comment">// Put the connect back in the available list and notify a waiter</em>
<a name="994" href="#994">994</a> hostPool.freeConnections.add(conn);
<a name="995" href="#995">995</a> <strong>if</strong> (hostPool.numConnections == 0) {
<a name="996" href="#996">996</a> <em class="comment">// for some reason this connection pool didn't already exist</em>
<a name="997" href="#997">997</a> LOG.error(<span class="string">"Host connection pool not found, hostConfig="</span>
<a name="998" href="#998">998</a> + connectionConfiguration);
<a name="999" href="#999">999</a> hostPool.numConnections = 1;
<a name="1000" href="#1000">1000</a> }
<a name="1001" href="#1001">1001</a>
<a name="1002" href="#1002">1002</a> freeConnections.add(conn);
<a name="1003" href="#1003">1003</a> <em class="comment">// we can remove the reference to this connection as we have control over</em>
<a name="1004" href="#1004">1004</a> <em class="comment">// it again. this also ensures that the connection manager can be GCed</em>
<a name="1005" href="#1005">1005</a> removeReferenceToConnection((HttpConnectionWithReference) conn);
<a name="1006" href="#1006">1006</a> <strong>if</strong> (numConnections == 0) {
<a name="1007" href="#1007">1007</a> <em class="comment">// for some reason this connection pool didn't already exist</em>
<a name="1008" href="#1008">1008</a> LOG.error(<span class="string">"Host connection pool not found, hostConfig="</span>
<a name="1009" href="#1009">1009</a> + connectionConfiguration);
<a name="1010" href="#1010">1010</a> numConnections = 1;
<a name="1011" href="#1011">1011</a> }
<a name="1012" href="#1012">1012</a>
<a name="1013" href="#1013">1013</a> <em class="comment">// register the connection with the timeout handler</em>
<a name="1014" href="#1014">1014</a> idleConnectionHandler.add(conn);
<a name="1015" href="#1015">1015</a>
<a name="1016" href="#1016">1016</a> notifyWaitingThread(hostPool);
<a name="1017" href="#1017">1017</a> }
<a name="1018" href="#1018">1018</a> }
<a name="1019" href="#1019">1019</a> }
<a name="1020" href="#1020">1020</a>
<a name="1021" href="#1021">1021</a> <em>/**</em>
<a name="1022" href="#1022">1022</a> <em> * A simple struct-like class to combine the objects needed to release a connection's</em>
<a name="1023" href="#1023">1023</a> <em> * resources when claimed by the garbage collector.</em>
<a name="1024" href="#1024">1024</a> <em> */</em>
<a name="1025" href="#1025">1025</a> <strong>private</strong> <strong>static</strong> <strong>class</strong> ConnectionSource {
<a name="1026" href="#1026">1026</a>
<a name="1027" href="#1027">1027</a> <em>/**</em><em> The connection pool that created the connection */</em>
<a name="1028" href="#1028">1028</a> <strong>public</strong> ConnectionPool connectionPool;
<a name="1029" href="#1029">1029</a>
<a name="1030" href="#1030">1030</a> <em>/**</em><em> The connection's host configuration */</em>
<a name="1031" href="#1031">1031</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration;
<a name="1032" href="#1032">1032</a> }
<a name="1033" href="#1033">1033</a>
<a name="1034" href="#1034">1034</a> <em>/**</em>
<a name="1035" href="#1035">1035</a> <em> * A simple struct-like class to combine the connection list and the count</em>
<a name="1036" href="#1036">1036</a> <em> * of created connections.</em>
<a name="1037" href="#1037">1037</a> <em> */</em>
<a name="1038" href="#1038">1038</a> <strong>private</strong> <strong>static</strong> <strong>class</strong> HostConnectionPool {
<a name="1039" href="#1039">1039</a> <em>/**</em><em> The hostConfig this pool is for */</em>
<a name="1040" href="#1040">1040</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration;
<a name="1041" href="#1041">1041</a>
<a name="1042" href="#1042">1042</a> <em>/**</em><em> The list of free connections */</em>
<a name="1043" href="#1043">1043</a> <strong>public</strong> LinkedList freeConnections = <strong>new</strong> LinkedList();
<a name="1044" href="#1044">1044</a>
<a name="1045" href="#1045">1045</a> <em>/**</em><em> The list of WaitingThreads for this host */</em>
<a name="1046" href="#1046">1046</a> <strong>public</strong> LinkedList waitingThreads = <strong>new</strong> LinkedList();
<a name="1047" href="#1047">1047</a>
<a name="1048" href="#1048">1048</a> <em>/**</em><em> The number of created connections */</em>
<a name="1049" href="#1049">1049</a> <strong>public</strong> <strong>int</strong> numConnections = 0;
<a name="1050" href="#1050">1050</a> }
<a name="1051" href="#1051">1051</a>
<a name="1052" href="#1052">1052</a> <em>/**</em>
<a name="1053" href="#1053">1053</a> <em> * A simple struct-like class to combine the waiting thread and the connection </em>
<a name="1054" href="#1054">1054</a> <em> * pool it is waiting on.</em>
<a name="1055" href="#1055">1055</a> <em> */</em>
<a name="1056" href="#1056">1056</a> <strong>private</strong> <strong>static</strong> <strong>class</strong> WaitingThread {
<a name="1057" href="#1057">1057</a> <em>/**</em><em> The thread that is waiting for a connection */</em>
<a name="1058" href="#1058">1058</a> <strong>public</strong> Thread thread;
<a name="1059" href="#1059">1059</a>
<a name="1060" href="#1060">1060</a> <em>/**</em><em> The connection pool the thread is waiting for */</em>
<a name="1061" href="#1061">1061</a> <strong>public</strong> HostConnectionPool hostConnectionPool;
<a name="1062" href="#1062">1062</a>
<a name="1063" href="#1063">1063</a> <em>/**</em><em> Flag to indicate if the thread was interrupted by the ConnectionPool. Set</em>
<a name="1064" href="#1064">1064</a> <em> * to true inside {@link ConnectionPool#notifyWaitingThread(HostConnectionPool)} </em>
<a name="1065" href="#1065">1065</a> <em> * before the thread is interrupted. */</em>
<a name="1066" href="#1066">1066</a> <strong>public</strong> <strong>boolean</strong> interruptedByConnectionPool = false;
<a name="1067" href="#1067">1067</a> }
<a name="1068" href="#1068">1068</a>
<a name="1069" href="#1069">1069</a> <em>/**</em>
<a name="1070" href="#1070">1070</a> <em> * A thread for listening for HttpConnections reclaimed by the garbage</em>
<a name="1071" href="#1071">1071</a> <em> * collector.</em>
<a name="1072" href="#1072">1072</a> <em> */</em>
<a name="1073" href="#1073">1073</a> <strong>private</strong> <strong>static</strong> <strong>class</strong> ReferenceQueueThread <strong>extends</strong> Thread {
<a name="1074" href="#1074">1074</a>
<a name="1075" href="#1075">1075</a> <strong>private</strong> <strong>volatile</strong> <strong>boolean</strong> shutdown = false;
<a name="1076" href="#1076">1076</a>
<a name="1077" href="#1077">1077</a> <em>/**</em>
<a name="1078" href="#1078">1078</a> <em> * Create an instance and make this a daemon thread.</em>
<a name="1079" href="#1079">1079</a> <em> */</em>
<a name="1080" href="#1080">1080</a> <strong>public</strong> ReferenceQueueThread() {
<a name="1081" href="#1081">1081</a> setDaemon(<strong>true</strong>);
<a name="1082" href="#1082">1082</a> setName(<span class="string">"MultiThreadedHttpConnectionManager cleanup"</span>);
<a name="1083" href="#1083">1083</a> }
<a name="1084" href="#1084">1084</a>
<a name="1085" href="#1085">1085</a> <strong>public</strong> <strong>void</strong> shutdown() {
<a name="1086" href="#1086">1086</a> <strong>this</strong>.shutdown = <strong>true</strong>;
<a name="1087" href="#1087">1087</a> <strong>this</strong>.interrupt();
<a name="1088" href="#1088">1088</a> }
<a name="1089" href="#1089">1089</a>
<a name="1090" href="#1090">1090</a> <em>/**</em>
<a name="1091" href="#1091">1091</a> <em> * Handles cleaning up for the given connection reference.</em>
<a name="1092" href="#1092">1092</a> <em> * </em>
<a name="1093" href="#1093">1093</a> <em> * @param ref the reference to clean up</em>
<a name="1094" href="#1094">1094</a> <em> */</em>
<a name="1095" href="#1095">1095</a> <strong>private</strong> <strong>void</strong> handleReference(Reference ref) {
<a name="1096" href="#1096">1096</a>
<a name="1097" href="#1097">1097</a> ConnectionSource source = <strong>null</strong>;
<a name="1098" href="#1098">1098</a>
<a name="1099" href="#1099">1099</a> <strong>synchronized</strong> (REFERENCE_TO_CONNECTION_SOURCE) {
<a name="1100" href="#1100">1100</a> source = (ConnectionSource) REFERENCE_TO_CONNECTION_SOURCE.remove(ref);
<a name="1101" href="#1101">1101</a> }
<a name="1102" href="#1102">1102</a> <em class="comment">// only clean up for this reference if it is still associated with </em>
<a name="1103" href="#1103">1103</a> <em class="comment">// a ConnectionSource</em>
<a name="1104" href="#1104">1104</a> <strong>if</strong> (source != <strong>null</strong>) {
<a name="1105" href="#1105">1105</a> <strong>if</strong> (LOG.isDebugEnabled()) {
<a name="1106" href="#1106">1106</a> LOG.debug(
<a name="1107" href="#1107">1107</a> <span class="string">"Connection reclaimed by garbage collector, hostConfig="</span>
<a name="1108" href="#1108">1108</a> + source.hostConfiguration);
<a name="1109" href="#1109">1109</a> }
<a name="1110" href="#1110">1110</a>
<a name="1111" href="#1111">1111</a> source.connectionPool.handleLostConnection(source.hostConfiguration);
<a name="1112" href="#1112">1112</a> }
<a name="1113" href="#1113">1113</a> }
<a name="1114" href="#1114">1114</a>
<a name="1115" href="#1115">1115</a> <em>/**</em>
<a name="1116" href="#1116">1116</a> <em> * Start execution.</em>
<a name="1117" href="#1117">1117</a> <em> */</em>
<a name="1118" href="#1118">1118</a> <strong>public</strong> <strong>void</strong> run() {
<a name="1119" href="#1119">1119</a> <strong>while</strong> (!shutdown) {
<a name="1120" href="#1120">1120</a> <strong>try</strong> {
<a name="1121" href="#1121">1121</a> <em class="comment">// remove the next reference and process it</em>
<a name="1122" href="#1122">1122</a> Reference ref = REFERENCE_QUEUE.remove();
<a name="1123" href="#1123">1123</a> <strong>if</strong> (ref != <strong>null</strong>) {
<a name="1124" href="#1124">1124</a> handleReference(ref);
<a name="1125" href="#1125">1125</a> }
<a name="1126" href="#1126">1126</a> } <strong>catch</strong> (InterruptedException e) {
<a name="1127" href="#1127">1127</a> LOG.debug(<span class="string">"ReferenceQueueThread interrupted"</span>, e);
<a name="1128" href="#1128">1128</a> }
<a name="1129" href="#1129">1129</a> }
<a name="1130" href="#1130">1130</a> }
<a name="1131" href="#1131">1131</a>
<a name="1132" href="#1132">1132</a> }
<a name="1133" href="#1133">1133</a>
<a name="1134" href="#1134">1134</a> <em>/**</em>
<a name="1135" href="#1135">1135</a> <em> * A connection that keeps a reference to itself.</em>
<a name="1136" href="#1136">1136</a> <em> */</em>
<a name="1137" href="#1137">1137</a> <strong>private</strong> <strong>static</strong> <strong>class</strong> HttpConnectionWithReference <strong>extends</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> {
<a name="1138" href="#1138">1138</a>
<a name="1139" href="#1139">1139</a> <strong>public</strong> WeakReference reference = <strong>new</strong> WeakReference(<strong>this</strong>, REFERENCE_QUEUE);
<a name="1140" href="#1140">1140</a>
<a name="1141" href="#1141">1141</a> <em>/**</em>
<a name="1142" href="#1142">1142</a> <em> * @param hostConfiguration</em>
<a name="1143" href="#1143">1143</a> <em> */</em>
<a name="1144" href="#1144">1144</a> <strong>public</strong> HttpConnectionWithReference(<a href="../../../../org/apache/commons/httpclient/HostConfiguration.html">HostConfiguration</a> hostConfiguration) {
<a name="1145" href="#1145">1145</a> <strong>super</strong>(hostConfiguration);
<a name="1146" href="#1146">1146</a> }
<a name="1147" href="#1147">1147</a>
<a name="1148" href="#1148">1148</a> }
<a name="1149" href="#1149">1149</a>
<a name="1150" href="#1150">1150</a> <em>/**</em>
<a name="1151" href="#1151">1151</a> <em> * An HttpConnection wrapper that ensures a connection cannot be used</em>
<a name="1152" href="#1152">1152</a> <em> * once released.</em>
<a name="1153" href="#1153">1153</a> <em> */</em>
<a name="1154" href="#1154">1154</a> <strong>private</strong> <strong>static</strong> <strong>class</strong> HttpConnectionAdapter <strong>extends</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> {
<a name="1155" href="#1155">1155</a>
<a name="1156" href="#1156">1156</a> <em class="comment">// the wrapped connection</em>
<a name="1157" href="#1157">1157</a> <strong>private</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> wrappedConnection;
<a name="1158" href="#1158">1158</a>
<a name="1159" href="#1159">1159</a> <em>/**</em>
<a name="1160" href="#1160">1160</a> <em> * Creates a new HttpConnectionAdapter.</em>
<a name="1161" href="#1161">1161</a> <em> * @param connection the connection to be wrapped</em>
<a name="1162" href="#1162">1162</a> <em> */</em>
<a name="1163" href="#1163">1163</a> <strong>public</strong> HttpConnectionAdapter(<a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> connection) {
<a name="1164" href="#1164">1164</a> <strong>super</strong>(connection.getHost(), connection.getPort(), connection.getProtocol());
<a name="1165" href="#1165">1165</a> <strong>this</strong>.wrappedConnection = connection;
<a name="1166" href="#1166">1166</a> }
<a name="1167" href="#1167">1167</a>
<a name="1168" href="#1168">1168</a> <em>/**</em>
<a name="1169" href="#1169">1169</a> <em> * Tests if the wrapped connection is still available.</em>
<a name="1170" href="#1170">1170</a> <em> * @return boolean</em>
<a name="1171" href="#1171">1171</a> <em> */</em>
<a name="1172" href="#1172">1172</a> <strong>protected</strong> <strong>boolean</strong> hasConnection() {
<a name="1173" href="#1173">1173</a> <strong>return</strong> wrappedConnection != <strong>null</strong>;
<a name="1174" href="#1174">1174</a> }
<a name="1175" href="#1175">1175</a>
<a name="1176" href="#1176">1176</a> <em>/**</em>
<a name="1177" href="#1177">1177</a> <em> * @return HttpConnection</em>
<a name="1178" href="#1178">1178</a> <em> */</em>
<a name="1179" href="#1179">1179</a> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> getWrappedConnection() {
<a name="1180" href="#1180">1180</a> <strong>return</strong> wrappedConnection;
<a name="1181" href="#1181">1181</a> }
<a name="1182" href="#1182">1182</a>
<a name="1183" href="#1183">1183</a> <strong>public</strong> <strong>void</strong> close() {
<a name="1184" href="#1184">1184</a> <strong>if</strong> (hasConnection()) {
<a name="1185" href="#1185">1185</a> wrappedConnection.close();
<a name="1186" href="#1186">1186</a> } <strong>else</strong> {
<a name="1187" href="#1187">1187</a> <em class="comment">// do nothing</em>
<a name="1188" href="#1188">1188</a> }
<a name="1189" href="#1189">1189</a> }
<a name="1190" href="#1190">1190</a>
<a name="1191" href="#1191">1191</a> <strong>public</strong> InetAddress getLocalAddress() {
<a name="1192" href="#1192">1192</a> <strong>if</strong> (hasConnection()) {
<a name="1193" href="#1193">1193</a> <strong>return</strong> wrappedConnection.getLocalAddress();
<a name="1194" href="#1194">1194</a> } <strong>else</strong> {
<a name="1195" href="#1195">1195</a> <strong>return</strong> <strong>null</strong>;
<a name="1196" href="#1196">1196</a> }
<a name="1197" href="#1197">1197</a> }
<a name="1198" href="#1198">1198</a>
<a name="1199" href="#1199">1199</a> <em>/**</em>
<a name="1200" href="#1200">1200</a> <em> * @deprecated</em>
<a name="1201" href="#1201">1201</a> <em> */</em>
<a name="1202" href="#1202">1202</a> <strong>public</strong> <strong>boolean</strong> isStaleCheckingEnabled() {
<a name="1203" href="#1203">1203</a> <strong>if</strong> (hasConnection()) {
<a name="1204" href="#1204">1204</a> <strong>return</strong> wrappedConnection.isStaleCheckingEnabled();
<a name="1205" href="#1205">1205</a> } <strong>else</strong> {
<a name="1206" href="#1206">1206</a> <strong>return</strong> false;
<a name="1207" href="#1207">1207</a> }
<a name="1208" href="#1208">1208</a> }
<a name="1209" href="#1209">1209</a>
<a name="1210" href="#1210">1210</a> <strong>public</strong> <strong>void</strong> setLocalAddress(InetAddress localAddress) {
<a name="1211" href="#1211">1211</a> <strong>if</strong> (hasConnection()) {
<a name="1212" href="#1212">1212</a> wrappedConnection.setLocalAddress(localAddress);
<a name="1213" href="#1213">1213</a> } <strong>else</strong> {
<a name="1214" href="#1214">1214</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1215" href="#1215">1215</a> }
<a name="1216" href="#1216">1216</a> }
<a name="1217" href="#1217">1217</a>
<a name="1218" href="#1218">1218</a> <em>/**</em>
<a name="1219" href="#1219">1219</a> <em> * @deprecated </em>
<a name="1220" href="#1220">1220</a> <em> */</em>
<a name="1221" href="#1221">1221</a> <strong>public</strong> <strong>void</strong> setStaleCheckingEnabled(<strong>boolean</strong> staleCheckEnabled) {
<a name="1222" href="#1222">1222</a> <strong>if</strong> (hasConnection()) {
<a name="1223" href="#1223">1223</a> wrappedConnection.setStaleCheckingEnabled(staleCheckEnabled);
<a name="1224" href="#1224">1224</a> } <strong>else</strong> {
<a name="1225" href="#1225">1225</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1226" href="#1226">1226</a> }
<a name="1227" href="#1227">1227</a> }
<a name="1228" href="#1228">1228</a>
<a name="1229" href="#1229">1229</a> <strong>public</strong> String getHost() {
<a name="1230" href="#1230">1230</a> <strong>if</strong> (hasConnection()) {
<a name="1231" href="#1231">1231</a> <strong>return</strong> wrappedConnection.getHost();
<a name="1232" href="#1232">1232</a> } <strong>else</strong> {
<a name="1233" href="#1233">1233</a> <strong>return</strong> <strong>null</strong>;
<a name="1234" href="#1234">1234</a> }
<a name="1235" href="#1235">1235</a> }
<a name="1236" href="#1236">1236</a>
<a name="1237" href="#1237">1237</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/HttpConnectionManager.html">HttpConnectionManager</a> getHttpConnectionManager() {
<a name="1238" href="#1238">1238</a> <strong>if</strong> (hasConnection()) {
<a name="1239" href="#1239">1239</a> <strong>return</strong> wrappedConnection.getHttpConnectionManager();
<a name="1240" href="#1240">1240</a> } <strong>else</strong> {
<a name="1241" href="#1241">1241</a> <strong>return</strong> <strong>null</strong>;
<a name="1242" href="#1242">1242</a> }
<a name="1243" href="#1243">1243</a> }
<a name="1244" href="#1244">1244</a>
<a name="1245" href="#1245">1245</a> <strong>public</strong> InputStream getLastResponseInputStream() {
<a name="1246" href="#1246">1246</a> <strong>if</strong> (hasConnection()) {
<a name="1247" href="#1247">1247</a> <strong>return</strong> wrappedConnection.getLastResponseInputStream();
<a name="1248" href="#1248">1248</a> } <strong>else</strong> {
<a name="1249" href="#1249">1249</a> <strong>return</strong> <strong>null</strong>;
<a name="1250" href="#1250">1250</a> }
<a name="1251" href="#1251">1251</a> }
<a name="1252" href="#1252">1252</a>
<a name="1253" href="#1253">1253</a> <strong>public</strong> <strong>int</strong> getPort() {
<a name="1254" href="#1254">1254</a> <strong>if</strong> (hasConnection()) {
<a name="1255" href="#1255">1255</a> <strong>return</strong> wrappedConnection.getPort();
<a name="1256" href="#1256">1256</a> } <strong>else</strong> {
<a name="1257" href="#1257">1257</a> <strong>return</strong> -1;
<a name="1258" href="#1258">1258</a> }
<a name="1259" href="#1259">1259</a> }
<a name="1260" href="#1260">1260</a>
<a name="1261" href="#1261">1261</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/protocol/Protocol.html">Protocol</a> getProtocol() {
<a name="1262" href="#1262">1262</a> <strong>if</strong> (hasConnection()) {
<a name="1263" href="#1263">1263</a> <strong>return</strong> wrappedConnection.getProtocol();
<a name="1264" href="#1264">1264</a> } <strong>else</strong> {
<a name="1265" href="#1265">1265</a> <strong>return</strong> <strong>null</strong>;
<a name="1266" href="#1266">1266</a> }
<a name="1267" href="#1267">1267</a> }
<a name="1268" href="#1268">1268</a>
<a name="1269" href="#1269">1269</a> <strong>public</strong> String getProxyHost() {
<a name="1270" href="#1270">1270</a> <strong>if</strong> (hasConnection()) {
<a name="1271" href="#1271">1271</a> <strong>return</strong> wrappedConnection.getProxyHost();
<a name="1272" href="#1272">1272</a> } <strong>else</strong> {
<a name="1273" href="#1273">1273</a> <strong>return</strong> <strong>null</strong>;
<a name="1274" href="#1274">1274</a> }
<a name="1275" href="#1275">1275</a> }
<a name="1276" href="#1276">1276</a>
<a name="1277" href="#1277">1277</a> <strong>public</strong> <strong>int</strong> getProxyPort() {
<a name="1278" href="#1278">1278</a> <strong>if</strong> (hasConnection()) {
<a name="1279" href="#1279">1279</a> <strong>return</strong> wrappedConnection.getProxyPort();
<a name="1280" href="#1280">1280</a> } <strong>else</strong> {
<a name="1281" href="#1281">1281</a> <strong>return</strong> -1;
<a name="1282" href="#1282">1282</a> }
<a name="1283" href="#1283">1283</a> }
<a name="1284" href="#1284">1284</a>
<a name="1285" href="#1285">1285</a> <strong>public</strong> OutputStream getRequestOutputStream()
<a name="1286" href="#1286">1286</a> throws IOException, IllegalStateException {
<a name="1287" href="#1287">1287</a> <strong>if</strong> (hasConnection()) {
<a name="1288" href="#1288">1288</a> <strong>return</strong> wrappedConnection.getRequestOutputStream();
<a name="1289" href="#1289">1289</a> } <strong>else</strong> {
<a name="1290" href="#1290">1290</a> <strong>return</strong> <strong>null</strong>;
<a name="1291" href="#1291">1291</a> }
<a name="1292" href="#1292">1292</a> }
<a name="1293" href="#1293">1293</a>
<a name="1294" href="#1294">1294</a> <strong>public</strong> InputStream getResponseInputStream()
<a name="1295" href="#1295">1295</a> throws IOException, IllegalStateException {
<a name="1296" href="#1296">1296</a> <strong>if</strong> (hasConnection()) {
<a name="1297" href="#1297">1297</a> <strong>return</strong> wrappedConnection.getResponseInputStream();
<a name="1298" href="#1298">1298</a> } <strong>else</strong> {
<a name="1299" href="#1299">1299</a> <strong>return</strong> <strong>null</strong>;
<a name="1300" href="#1300">1300</a> }
<a name="1301" href="#1301">1301</a> }
<a name="1302" href="#1302">1302</a>
<a name="1303" href="#1303">1303</a> <strong>public</strong> <strong>boolean</strong> isOpen() {
<a name="1304" href="#1304">1304</a> <strong>if</strong> (hasConnection()) {
<a name="1305" href="#1305">1305</a> <strong>return</strong> wrappedConnection.isOpen();
<a name="1306" href="#1306">1306</a> } <strong>else</strong> {
<a name="1307" href="#1307">1307</a> <strong>return</strong> false;
<a name="1308" href="#1308">1308</a> }
<a name="1309" href="#1309">1309</a> }
<a name="1310" href="#1310">1310</a>
<a name="1311" href="#1311">1311</a> <strong>public</strong> <strong>boolean</strong> closeIfStale() throws IOException {
<a name="1312" href="#1312">1312</a> <strong>if</strong> (hasConnection()) {
<a name="1313" href="#1313">1313</a> <strong>return</strong> wrappedConnection.closeIfStale();
<a name="1314" href="#1314">1314</a> } <strong>else</strong> {
<a name="1315" href="#1315">1315</a> <strong>return</strong> false;
<a name="1316" href="#1316">1316</a> }
<a name="1317" href="#1317">1317</a> }
<a name="1318" href="#1318">1318</a>
<a name="1319" href="#1319">1319</a> <strong>public</strong> <strong>boolean</strong> isProxied() {
<a name="1320" href="#1320">1320</a> <strong>if</strong> (hasConnection()) {
<a name="1321" href="#1321">1321</a> <strong>return</strong> wrappedConnection.isProxied();
<a name="1322" href="#1322">1322</a> } <strong>else</strong> {
<a name="1323" href="#1323">1323</a> <strong>return</strong> false;
<a name="1324" href="#1324">1324</a> }
<a name="1325" href="#1325">1325</a> }
<a name="1326" href="#1326">1326</a>
<a name="1327" href="#1327">1327</a> <strong>public</strong> <strong>boolean</strong> isResponseAvailable() throws IOException {
<a name="1328" href="#1328">1328</a> <strong>if</strong> (hasConnection()) {
<a name="1329" href="#1329">1329</a> <strong>return</strong> wrappedConnection.isResponseAvailable();
<a name="1330" href="#1330">1330</a> } <strong>else</strong> {
<a name="1331" href="#1331">1331</a> <strong>return</strong> false;
<a name="1332" href="#1332">1332</a> }
<a name="1333" href="#1333">1333</a> }
<a name="1334" href="#1334">1334</a>
<a name="1335" href="#1335">1335</a> <strong>public</strong> <strong>boolean</strong> isResponseAvailable(<strong>int</strong> timeout) throws IOException {
<a name="1336" href="#1336">1336</a> <strong>if</strong> (hasConnection()) {
<a name="1337" href="#1337">1337</a> <strong>return</strong> wrappedConnection.isResponseAvailable(timeout);
<a name="1338" href="#1338">1338</a> } <strong>else</strong> {
<a name="1339" href="#1339">1339</a> <strong>return</strong> false;
<a name="1340" href="#1340">1340</a> }
<a name="1341" href="#1341">1341</a> }
<a name="1342" href="#1342">1342</a>
<a name="1343" href="#1343">1343</a> <strong>public</strong> <strong>boolean</strong> isSecure() {
<a name="1344" href="#1344">1344</a> <strong>if</strong> (hasConnection()) {
<a name="1345" href="#1345">1345</a> <strong>return</strong> wrappedConnection.isSecure();
<a name="1346" href="#1346">1346</a> } <strong>else</strong> {
<a name="1347" href="#1347">1347</a> <strong>return</strong> false;
<a name="1348" href="#1348">1348</a> }
<a name="1349" href="#1349">1349</a> }
<a name="1350" href="#1350">1350</a>
<a name="1351" href="#1351">1351</a> <strong>public</strong> <strong>boolean</strong> isTransparent() {
<a name="1352" href="#1352">1352</a> <strong>if</strong> (hasConnection()) {
<a name="1353" href="#1353">1353</a> <strong>return</strong> wrappedConnection.isTransparent();
<a name="1354" href="#1354">1354</a> } <strong>else</strong> {
<a name="1355" href="#1355">1355</a> <strong>return</strong> false;
<a name="1356" href="#1356">1356</a> }
<a name="1357" href="#1357">1357</a> }
<a name="1358" href="#1358">1358</a>
<a name="1359" href="#1359">1359</a> <strong>public</strong> <strong>void</strong> open() throws IOException {
<a name="1360" href="#1360">1360</a> <strong>if</strong> (hasConnection()) {
<a name="1361" href="#1361">1361</a> wrappedConnection.open();
<a name="1362" href="#1362">1362</a> } <strong>else</strong> {
<a name="1363" href="#1363">1363</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1364" href="#1364">1364</a> }
<a name="1365" href="#1365">1365</a> }
<a name="1366" href="#1366">1366</a>
<a name="1367" href="#1367">1367</a> <em>/**</em>
<a name="1368" href="#1368">1368</a> <em> * @deprecated</em>
<a name="1369" href="#1369">1369</a> <em> */</em>
<a name="1370" href="#1370">1370</a> <strong>public</strong> <strong>void</strong> print(String data)
<a name="1371" href="#1371">1371</a> throws IOException, IllegalStateException {
<a name="1372" href="#1372">1372</a> <strong>if</strong> (hasConnection()) {
<a name="1373" href="#1373">1373</a> wrappedConnection.print(data);
<a name="1374" href="#1374">1374</a> } <strong>else</strong> {
<a name="1375" href="#1375">1375</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1376" href="#1376">1376</a> }
<a name="1377" href="#1377">1377</a> }
<a name="1378" href="#1378">1378</a>
<a name="1379" href="#1379">1379</a> <strong>public</strong> <strong>void</strong> printLine()
<a name="1380" href="#1380">1380</a> throws IOException, IllegalStateException {
<a name="1381" href="#1381">1381</a> <strong>if</strong> (hasConnection()) {
<a name="1382" href="#1382">1382</a> wrappedConnection.printLine();
<a name="1383" href="#1383">1383</a> } <strong>else</strong> {
<a name="1384" href="#1384">1384</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1385" href="#1385">1385</a> }
<a name="1386" href="#1386">1386</a> }
<a name="1387" href="#1387">1387</a>
<a name="1388" href="#1388">1388</a> <em>/**</em>
<a name="1389" href="#1389">1389</a> <em> * @deprecated</em>
<a name="1390" href="#1390">1390</a> <em> */</em>
<a name="1391" href="#1391">1391</a> <strong>public</strong> <strong>void</strong> printLine(String data)
<a name="1392" href="#1392">1392</a> throws IOException, IllegalStateException {
<a name="1393" href="#1393">1393</a> <strong>if</strong> (hasConnection()) {
<a name="1394" href="#1394">1394</a> wrappedConnection.printLine(data);
<a name="1395" href="#1395">1395</a> } <strong>else</strong> {
<a name="1396" href="#1396">1396</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1397" href="#1397">1397</a> }
<a name="1398" href="#1398">1398</a> }
<a name="1399" href="#1399">1399</a>
<a name="1400" href="#1400">1400</a> <em>/**</em>
<a name="1401" href="#1401">1401</a> <em> * @deprecated</em>
<a name="1402" href="#1402">1402</a> <em> */</em>
<a name="1403" href="#1403">1403</a> <strong>public</strong> String readLine() throws IOException, IllegalStateException {
<a name="1404" href="#1404">1404</a> <strong>if</strong> (hasConnection()) {
<a name="1405" href="#1405">1405</a> <strong>return</strong> wrappedConnection.readLine();
<a name="1406" href="#1406">1406</a> } <strong>else</strong> {
<a name="1407" href="#1407">1407</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1408" href="#1408">1408</a> }
<a name="1409" href="#1409">1409</a> }
<a name="1410" href="#1410">1410</a>
<a name="1411" href="#1411">1411</a> <strong>public</strong> String readLine(String charset) throws IOException, IllegalStateException {
<a name="1412" href="#1412">1412</a> <strong>if</strong> (hasConnection()) {
<a name="1413" href="#1413">1413</a> <strong>return</strong> wrappedConnection.readLine(charset);
<a name="1414" href="#1414">1414</a> } <strong>else</strong> {
<a name="1415" href="#1415">1415</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1416" href="#1416">1416</a> }
<a name="1417" href="#1417">1417</a> }
<a name="1418" href="#1418">1418</a>
<a name="1419" href="#1419">1419</a> <strong>public</strong> <strong>void</strong> releaseConnection() {
<a name="1420" href="#1420">1420</a> <strong>if</strong> (!isLocked() && hasConnection()) {
<a name="1421" href="#1421">1421</a> <a href="../../../../org/apache/commons/httpclient/HttpConnection.html">HttpConnection</a> wrappedConnection = <strong>this</strong>.wrappedConnection;
<a name="1422" href="#1422">1422</a> <strong>this</strong>.wrappedConnection = <strong>null</strong>;
<a name="1423" href="#1423">1423</a> wrappedConnection.releaseConnection();
<a name="1424" href="#1424">1424</a> } <strong>else</strong> {
<a name="1425" href="#1425">1425</a> <em class="comment">// do nothing</em>
<a name="1426" href="#1426">1426</a> }
<a name="1427" href="#1427">1427</a> }
<a name="1428" href="#1428">1428</a>
<a name="1429" href="#1429">1429</a> <em>/**</em>
<a name="1430" href="#1430">1430</a> <em> * @deprecated</em>
<a name="1431" href="#1431">1431</a> <em> */</em>
<a name="1432" href="#1432">1432</a> <strong>public</strong> <strong>void</strong> setConnectionTimeout(<strong>int</strong> timeout) {
<a name="1433" href="#1433">1433</a> <strong>if</strong> (hasConnection()) {
<a name="1434" href="#1434">1434</a> wrappedConnection.setConnectionTimeout(timeout);
<a name="1435" href="#1435">1435</a> } <strong>else</strong> {
<a name="1436" href="#1436">1436</a> <em class="comment">// do nothing</em>
<a name="1437" href="#1437">1437</a> }
<a name="1438" href="#1438">1438</a> }
<a name="1439" href="#1439">1439</a>
<a name="1440" href="#1440">1440</a> <strong>public</strong> <strong>void</strong> setHost(String host) throws IllegalStateException {
<a name="1441" href="#1441">1441</a> <strong>if</strong> (hasConnection()) {
<a name="1442" href="#1442">1442</a> wrappedConnection.setHost(host);
<a name="1443" href="#1443">1443</a> } <strong>else</strong> {
<a name="1444" href="#1444">1444</a> <em class="comment">// do nothing</em>
<a name="1445" href="#1445">1445</a> }
<a name="1446" href="#1446">1446</a> }
<a name="1447" href="#1447">1447</a>
<a name="1448" href="#1448">1448</a> <strong>public</strong> <strong>void</strong> setHttpConnectionManager(<a href="../../../../org/apache/commons/httpclient/HttpConnectionManager.html">HttpConnectionManager</a> httpConnectionManager) {
<a name="1449" href="#1449">1449</a> <strong>if</strong> (hasConnection()) {
<a name="1450" href="#1450">1450</a> wrappedConnection.setHttpConnectionManager(httpConnectionManager);
<a name="1451" href="#1451">1451</a> } <strong>else</strong> {
<a name="1452" href="#1452">1452</a> <em class="comment">// do nothing</em>
<a name="1453" href="#1453">1453</a> }
<a name="1454" href="#1454">1454</a> }
<a name="1455" href="#1455">1455</a>
<a name="1456" href="#1456">1456</a> <strong>public</strong> <strong>void</strong> setLastResponseInputStream(InputStream inStream) {
<a name="1457" href="#1457">1457</a> <strong>if</strong> (hasConnection()) {
<a name="1458" href="#1458">1458</a> wrappedConnection.setLastResponseInputStream(inStream);
<a name="1459" href="#1459">1459</a> } <strong>else</strong> {
<a name="1460" href="#1460">1460</a> <em class="comment">// do nothing</em>
<a name="1461" href="#1461">1461</a> }
<a name="1462" href="#1462">1462</a> }
<a name="1463" href="#1463">1463</a>
<a name="1464" href="#1464">1464</a> <strong>public</strong> <strong>void</strong> setPort(<strong>int</strong> port) throws IllegalStateException {
<a name="1465" href="#1465">1465</a> <strong>if</strong> (hasConnection()) {
<a name="1466" href="#1466">1466</a> wrappedConnection.setPort(port);
<a name="1467" href="#1467">1467</a> } <strong>else</strong> {
<a name="1468" href="#1468">1468</a> <em class="comment">// do nothing</em>
<a name="1469" href="#1469">1469</a> }
<a name="1470" href="#1470">1470</a> }
<a name="1471" href="#1471">1471</a>
<a name="1472" href="#1472">1472</a> <strong>public</strong> <strong>void</strong> setProtocol(<a href="../../../../org/apache/commons/httpclient/protocol/Protocol.html">Protocol</a> protocol) {
<a name="1473" href="#1473">1473</a> <strong>if</strong> (hasConnection()) {
<a name="1474" href="#1474">1474</a> wrappedConnection.setProtocol(protocol);
<a name="1475" href="#1475">1475</a> } <strong>else</strong> {
<a name="1476" href="#1476">1476</a> <em class="comment">// do nothing</em>
<a name="1477" href="#1477">1477</a> }
<a name="1478" href="#1478">1478</a> }
<a name="1479" href="#1479">1479</a>
<a name="1480" href="#1480">1480</a> <strong>public</strong> <strong>void</strong> setProxyHost(String host) throws IllegalStateException {
<a name="1481" href="#1481">1481</a> <strong>if</strong> (hasConnection()) {
<a name="1482" href="#1482">1482</a> wrappedConnection.setProxyHost(host);
<a name="1483" href="#1483">1483</a> } <strong>else</strong> {
<a name="1484" href="#1484">1484</a> <em class="comment">// do nothing</em>
<a name="1485" href="#1485">1485</a> }
<a name="1486" href="#1486">1486</a> }
<a name="1487" href="#1487">1487</a>
<a name="1488" href="#1488">1488</a> <strong>public</strong> <strong>void</strong> setProxyPort(<strong>int</strong> port) throws IllegalStateException {
<a name="1489" href="#1489">1489</a> <strong>if</strong> (hasConnection()) {
<a name="1490" href="#1490">1490</a> wrappedConnection.setProxyPort(port);
<a name="1491" href="#1491">1491</a> } <strong>else</strong> {
<a name="1492" href="#1492">1492</a> <em class="comment">// do nothing</em>
<a name="1493" href="#1493">1493</a> }
<a name="1494" href="#1494">1494</a> }
<a name="1495" href="#1495">1495</a>
<a name="1496" href="#1496">1496</a> <em>/**</em>
<a name="1497" href="#1497">1497</a> <em> * @deprecated</em>
<a name="1498" href="#1498">1498</a> <em> */</em>
<a name="1499" href="#1499">1499</a> <strong>public</strong> <strong>void</strong> setSoTimeout(<strong>int</strong> timeout)
<a name="1500" href="#1500">1500</a> throws SocketException, IllegalStateException {
<a name="1501" href="#1501">1501</a> <strong>if</strong> (hasConnection()) {
<a name="1502" href="#1502">1502</a> wrappedConnection.setSoTimeout(timeout);
<a name="1503" href="#1503">1503</a> } <strong>else</strong> {
<a name="1504" href="#1504">1504</a> <em class="comment">// do nothing</em>
<a name="1505" href="#1505">1505</a> }
<a name="1506" href="#1506">1506</a> }
<a name="1507" href="#1507">1507</a>
<a name="1508" href="#1508">1508</a> <em>/**</em>
<a name="1509" href="#1509">1509</a> <em> * @deprecated</em>
<a name="1510" href="#1510">1510</a> <em> */</em>
<a name="1511" href="#1511">1511</a> <strong>public</strong> <strong>void</strong> shutdownOutput() {
<a name="1512" href="#1512">1512</a> <strong>if</strong> (hasConnection()) {
<a name="1513" href="#1513">1513</a> wrappedConnection.shutdownOutput();
<a name="1514" href="#1514">1514</a> } <strong>else</strong> {
<a name="1515" href="#1515">1515</a> <em class="comment">// do nothing</em>
<a name="1516" href="#1516">1516</a> }
<a name="1517" href="#1517">1517</a> }
<a name="1518" href="#1518">1518</a>
<a name="1519" href="#1519">1519</a> <strong>public</strong> <strong>void</strong> tunnelCreated() throws IllegalStateException, IOException {
<a name="1520" href="#1520">1520</a> <strong>if</strong> (hasConnection()) {
<a name="1521" href="#1521">1521</a> wrappedConnection.tunnelCreated();
<a name="1522" href="#1522">1522</a> } <strong>else</strong> {
<a name="1523" href="#1523">1523</a> <em class="comment">// do nothing</em>
<a name="1524" href="#1524">1524</a> }
<a name="1525" href="#1525">1525</a> }
<a name="1526" href="#1526">1526</a>
<a name="1527" href="#1527">1527</a> <strong>public</strong> <strong>void</strong> write(byte[] data, <strong>int</strong> offset, <strong>int</strong> length)
<a name="1528" href="#1528">1528</a> throws IOException, IllegalStateException {
<a name="1529" href="#1529">1529</a> <strong>if</strong> (hasConnection()) {
<a name="1530" href="#1530">1530</a> wrappedConnection.write(data, offset, length);
<a name="1531" href="#1531">1531</a> } <strong>else</strong> {
<a name="1532" href="#1532">1532</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1533" href="#1533">1533</a> }
<a name="1534" href="#1534">1534</a> }
<a name="1535" href="#1535">1535</a>
<a name="1536" href="#1536">1536</a> <strong>public</strong> <strong>void</strong> write(byte[] data)
<a name="1537" href="#1537">1537</a> throws IOException, IllegalStateException {
<a name="1538" href="#1538">1538</a> <strong>if</strong> (hasConnection()) {
<a name="1539" href="#1539">1539</a> wrappedConnection.write(data);
<a name="1540" href="#1540">1540</a> } <strong>else</strong> {
<a name="1541" href="#1541">1541</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1542" href="#1542">1542</a> }
<a name="1543" href="#1543">1543</a> }
<a name="1544" href="#1544">1544</a>
<a name="1545" href="#1545">1545</a> <strong>public</strong> <strong>void</strong> writeLine()
<a name="1546" href="#1546">1546</a> throws IOException, IllegalStateException {
<a name="1547" href="#1547">1547</a> <strong>if</strong> (hasConnection()) {
<a name="1548" href="#1548">1548</a> wrappedConnection.writeLine();
<a name="1549" href="#1549">1549</a> } <strong>else</strong> {
<a name="1550" href="#1550">1550</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1551" href="#1551">1551</a> }
<a name="1552" href="#1552">1552</a> }
<a name="1553" href="#1553">1553</a>
<a name="1554" href="#1554">1554</a> <strong>public</strong> <strong>void</strong> writeLine(byte[] data)
<a name="1555" href="#1555">1555</a> throws IOException, IllegalStateException {
<a name="1556" href="#1556">1556</a> <strong>if</strong> (hasConnection()) {
<a name="1557" href="#1557">1557</a> wrappedConnection.writeLine(data);
<a name="1558" href="#1558">1558</a> } <strong>else</strong> {
<a name="1559" href="#1559">1559</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1560" href="#1560">1560</a> }
<a name="1561" href="#1561">1561</a> }
<a name="1562" href="#1562">1562</a>
<a name="1563" href="#1563">1563</a> <strong>public</strong> <strong>void</strong> flushRequestOutputStream() throws IOException {
<a name="1564" href="#1564">1564</a> <strong>if</strong> (hasConnection()) {
<a name="1565" href="#1565">1565</a> wrappedConnection.flushRequestOutputStream();
<a name="1566" href="#1566">1566</a> } <strong>else</strong> {
<a name="1567" href="#1567">1567</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1568" href="#1568">1568</a> }
<a name="1569" href="#1569">1569</a> }
<a name="1570" href="#1570">1570</a>
<a name="1571" href="#1571">1571</a> <em>/**</em>
<a name="1572" href="#1572">1572</a> <em> * @deprecated</em>
<a name="1573" href="#1573">1573</a> <em> */</em>
<a name="1574" href="#1574">1574</a> <strong>public</strong> <strong>int</strong> getSoTimeout() throws SocketException {
<a name="1575" href="#1575">1575</a> <strong>if</strong> (hasConnection()) {
<a name="1576" href="#1576">1576</a> <strong>return</strong> wrappedConnection.getSoTimeout();
<a name="1577" href="#1577">1577</a> } <strong>else</strong> {
<a name="1578" href="#1578">1578</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1579" href="#1579">1579</a> }
<a name="1580" href="#1580">1580</a> }
<a name="1581" href="#1581">1581</a>
<a name="1582" href="#1582">1582</a> <em>/**</em>
<a name="1583" href="#1583">1583</a> <em> * @deprecated</em>
<a name="1584" href="#1584">1584</a> <em> */</em>
<a name="1585" href="#1585">1585</a> <strong>public</strong> String getVirtualHost() {
<a name="1586" href="#1586">1586</a> <strong>if</strong> (hasConnection()) {
<a name="1587" href="#1587">1587</a> <strong>return</strong> wrappedConnection.getVirtualHost();
<a name="1588" href="#1588">1588</a> } <strong>else</strong> {
<a name="1589" href="#1589">1589</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1590" href="#1590">1590</a> }
<a name="1591" href="#1591">1591</a> }
<a name="1592" href="#1592">1592</a>
<a name="1593" href="#1593">1593</a> <em>/**</em>
<a name="1594" href="#1594">1594</a> <em> * @deprecated</em>
<a name="1595" href="#1595">1595</a> <em> */</em>
<a name="1596" href="#1596">1596</a> <strong>public</strong> <strong>void</strong> setVirtualHost(String host) throws IllegalStateException {
<a name="1597" href="#1597">1597</a> <strong>if</strong> (hasConnection()) {
<a name="1598" href="#1598">1598</a> wrappedConnection.setVirtualHost(host);
<a name="1599" href="#1599">1599</a> } <strong>else</strong> {
<a name="1600" href="#1600">1600</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1601" href="#1601">1601</a> }
<a name="1602" href="#1602">1602</a> }
<a name="1603" href="#1603">1603</a>
<a name="1604" href="#1604">1604</a> <strong>public</strong> <strong>int</strong> getSendBufferSize() throws SocketException {
<a name="1605" href="#1605">1605</a> <strong>if</strong> (hasConnection()) {
<a name="1606" href="#1606">1606</a> <strong>return</strong> wrappedConnection.getSendBufferSize();
<a name="1607" href="#1607">1607</a> } <strong>else</strong> {
<a name="1608" href="#1608">1608</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1609" href="#1609">1609</a> }
<a name="1610" href="#1610">1610</a> }
<a name="1611" href="#1611">1611</a>
<a name="1612" href="#1612">1612</a> <em>/**</em>
<a name="1613" href="#1613">1613</a> <em> * @deprecated</em>
<a name="1614" href="#1614">1614</a> <em> */</em>
<a name="1615" href="#1615">1615</a> <strong>public</strong> <strong>void</strong> setSendBufferSize(<strong>int</strong> sendBufferSize) throws SocketException {
<a name="1616" href="#1616">1616</a> <strong>if</strong> (hasConnection()) {
<a name="1617" href="#1617">1617</a> wrappedConnection.setSendBufferSize(sendBufferSize);
<a name="1618" href="#1618">1618</a> } <strong>else</strong> {
<a name="1619" href="#1619">1619</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1620" href="#1620">1620</a> }
<a name="1621" href="#1621">1621</a> }
<a name="1622" href="#1622">1622</a>
<a name="1623" href="#1623">1623</a> <strong>public</strong> <a href="../../../../org/apache/commons/httpclient/params/HttpConnectionParams.html">HttpConnectionParams</a> getParams() {
<a name="1624" href="#1624">1624</a> <strong>if</strong> (hasConnection()) {
<a name="1625" href="#1625">1625</a> <strong>return</strong> wrappedConnection.getParams();
<a name="1626" href="#1626">1626</a> } <strong>else</strong> {
<a name="1627" href="#1627">1627</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1628" href="#1628">1628</a> }
<a name="1629" href="#1629">1629</a> }
<a name="1630" href="#1630">1630</a>
<a name="1631" href="#1631">1631</a> <strong>public</strong> <strong>void</strong> setParams(<strong>final</strong> <a href="../../../../org/apache/commons/httpclient/params/HttpConnectionParams.html">HttpConnectionParams</a> params) {
<a name="1632" href="#1632">1632</a> <strong>if</strong> (hasConnection()) {
<a name="1633" href="#1633">1633</a> wrappedConnection.setParams(params);
<a name="1634" href="#1634">1634</a> } <strong>else</strong> {
<a name="1635" href="#1635">1635</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1636" href="#1636">1636</a> }
<a name="1637" href="#1637">1637</a> }
<a name="1638" href="#1638">1638</a>
<a name="1639" href="#1639">1639</a> <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="1640" href="#1640">1640</a> <em class="comment"> * @see org.apache.commons.httpclient.HttpConnection#print(java.lang.String, java.lang.String)</em>
<a name="1641" href="#1641">1641</a> <em class="comment"> */</em>
<a name="1642" href="#1642">1642</a> <strong>public</strong> <strong>void</strong> print(String data, String charset) throws IOException, IllegalStateException {
<a name="1643" href="#1643">1643</a> <strong>if</strong> (hasConnection()) {
<a name="1644" href="#1644">1644</a> wrappedConnection.print(data, charset);
<a name="1645" href="#1645">1645</a> } <strong>else</strong> {
<a name="1646" href="#1646">1646</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1647" href="#1647">1647</a> }
<a name="1648" href="#1648">1648</a> }
<a name="1649" href="#1649">1649</a>
<a name="1650" href="#1650">1650</a> <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="1651" href="#1651">1651</a> <em class="comment"> * @see org.apache.commons.httpclient.HttpConnection#printLine(java.lang.String, java.lang.String)</em>
<a name="1652" href="#1652">1652</a> <em class="comment"> */</em>
<a name="1653" href="#1653">1653</a> <strong>public</strong> <strong>void</strong> printLine(String data, String charset)
<a name="1654" href="#1654">1654</a> throws IOException, IllegalStateException {
<a name="1655" href="#1655">1655</a> <strong>if</strong> (hasConnection()) {
<a name="1656" href="#1656">1656</a> wrappedConnection.printLine(data, charset);
<a name="1657" href="#1657">1657</a> } <strong>else</strong> {
<a name="1658" href="#1658">1658</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1659" href="#1659">1659</a> }
<a name="1660" href="#1660">1660</a> }
<a name="1661" href="#1661">1661</a>
<a name="1662" href="#1662">1662</a> <em class="comment">/*<em class="comment"> (non-Javadoc)</em></em>
<a name="1663" href="#1663">1663</a> <em class="comment"> * @see org.apache.commons.httpclient.HttpConnection#setSocketTimeout(int)</em>
<a name="1664" href="#1664">1664</a> <em class="comment"> */</em>
<a name="1665" href="#1665">1665</a> <strong>public</strong> <strong>void</strong> setSocketTimeout(<strong>int</strong> timeout) throws SocketException, IllegalStateException {
<a name="1666" href="#1666">1666</a> <strong>if</strong> (hasConnection()) {
<a name="1667" href="#1667">1667</a> wrappedConnection.setSocketTimeout(timeout);
<a name="1668" href="#1668">1668</a> } <strong>else</strong> {
<a name="1669" href="#1669">1669</a> <strong>throw</strong> <strong>new</strong> IllegalStateException(<span class="string">"Connection has been released"</span>);
<a name="1670" href="#1670">1670</a> }
<a name="1671" href="#1671">1671</a> }
<a name="1672" href="#1672">1672</a>
<a name="1673" href="#1673">1673</a> }
<a name="1674" href="#1674">1674</a>
<a name="1675" href="#1675">1675</a> }
<a name="1676" href="#1676">1676</a>
</pre>
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