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<div id="overview"><a href="../../../../../../../apidocs/org/apache/commons/httpclient/methods/multipart/FilePartSource.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/methods/multipart/FilePartSource.java,v 1.10 2004/04/18 23:51:37 jsdever Exp $</em>
<a name="3" href="#3">3</a> <em class="comment"> * $Revision: 480424 $</em>
<a name="4" href="#4">4</a> <em class="comment"> * $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $</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.methods.multipart;
<a name="32" href="#32">32</a>
<a name="33" href="#33">33</a> <strong>import</strong> java.io.ByteArrayInputStream;
<a name="34" href="#34">34</a> <strong>import</strong> java.io.File;
<a name="35" href="#35">35</a> <strong>import</strong> java.io.FileInputStream;
<a name="36" href="#36">36</a> <strong>import</strong> java.io.FileNotFoundException;
<a name="37" href="#37">37</a> <strong>import</strong> java.io.IOException;
<a name="38" href="#38">38</a> <strong>import</strong> java.io.InputStream;
<a name="39" href="#39">39</a>
<a name="40" href="#40">40</a> <em>/**</em>
<a name="41" href="#41">41</a> <em> * A PartSource that reads from a File.</em>
<a name="42" href="#42">42</a> <em> * </em>
<a name="43" href="#43">43</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="44" href="#44">44</a> <em> * @author <a href="<a href="mailto:mdiggory@latte.harvard.edu" target="alexandria_uri">mailto:mdiggory@latte.harvard.edu</a>">Mark Diggory</a></em>
<a name="45" href="#45">45</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="46" href="#46">46</a> <em> * </em>
<a name="47" href="#47">47</a> <em> * @since 2.0 </em>
<a name="48" href="#48">48</a> <em> */</em>
<a name="49" href="#49">49</a> <strong>public</strong> <strong>class</strong> <a href="../../../../../../org/apache/commons/httpclient/methods/multipart/FilePartSource.html">FilePartSource</a> implements <a href="../../../../../../org/apache/commons/httpclient/methods/multipart/PartSource.html">PartSource</a> {
<a name="50" href="#50">50</a>
<a name="51" href="#51">51</a> <em>/**</em><em> File part file. */</em>
<a name="52" href="#52">52</a> <strong>private</strong> File file = <strong>null</strong>;
<a name="53" href="#53">53</a>
<a name="54" href="#54">54</a> <em>/**</em><em> File part file name. */</em>
<a name="55" href="#55">55</a> <strong>private</strong> String fileName = <strong>null</strong>;
<a name="56" href="#56">56</a>
<a name="57" href="#57">57</a> <em>/**</em>
<a name="58" href="#58">58</a> <em> * Constructor for FilePartSource.</em>
<a name="59" href="#59">59</a> <em> * </em>
<a name="60" href="#60">60</a> <em> * @param file the FilePart source File. </em>
<a name="61" href="#61">61</a> <em> *</em>
<a name="62" href="#62">62</a> <em> * @throws FileNotFoundException if the file does not exist or </em>
<a name="63" href="#63">63</a> <em> * cannot be read</em>
<a name="64" href="#64">64</a> <em> */</em>
<a name="65" href="#65">65</a> <strong>public</strong> <a href="../../../../../../org/apache/commons/httpclient/methods/multipart/FilePartSource.html">FilePartSource</a>(File file) throws FileNotFoundException {
<a name="66" href="#66">66</a> <strong>this</strong>.file = file;
<a name="67" href="#67">67</a> <strong>if</strong> (file != <strong>null</strong>) {
<a name="68" href="#68">68</a> <strong>if</strong> (!file.isFile()) {
<a name="69" href="#69">69</a> <strong>throw</strong> <strong>new</strong> FileNotFoundException(<span class="string">"File is not a normal file."</span>);
<a name="70" href="#70">70</a> }
<a name="71" href="#71">71</a> <strong>if</strong> (!file.canRead()) {
<a name="72" href="#72">72</a> <strong>throw</strong> <strong>new</strong> FileNotFoundException(<span class="string">"File is not readable."</span>);
<a name="73" href="#73">73</a> }
<a name="74" href="#74">74</a> <strong>this</strong>.fileName = file.getName();
<a name="75" href="#75">75</a> }
<a name="76" href="#76">76</a> }
<a name="77" href="#77">77</a>
<a name="78" href="#78">78</a> <em>/**</em>
<a name="79" href="#79">79</a> <em> * Constructor for FilePartSource.</em>
<a name="80" href="#80">80</a> <em> * </em>
<a name="81" href="#81">81</a> <em> * @param fileName the file name of the FilePart</em>
<a name="82" href="#82">82</a> <em> * @param file the source File for the FilePart</em>
<a name="83" href="#83">83</a> <em> *</em>
<a name="84" href="#84">84</a> <em> * @throws FileNotFoundException if the file does not exist or </em>
<a name="85" href="#85">85</a> <em> * cannot be read</em>
<a name="86" href="#86">86</a> <em> */</em>
<a name="87" href="#87">87</a> <strong>public</strong> <a href="../../../../../../org/apache/commons/httpclient/methods/multipart/FilePartSource.html">FilePartSource</a>(String fileName, File file)
<a name="88" href="#88">88</a> throws FileNotFoundException {
<a name="89" href="#89">89</a> <strong>this</strong>(file);
<a name="90" href="#90">90</a> <strong>if</strong> (fileName != <strong>null</strong>) {
<a name="91" href="#91">91</a> <strong>this</strong>.fileName = fileName;
<a name="92" href="#92">92</a> }
<a name="93" href="#93">93</a> }
<a name="94" href="#94">94</a>
<a name="95" href="#95">95</a> <em>/**</em>
<a name="96" href="#96">96</a> <em> * Return the length of the file</em>
<a name="97" href="#97">97</a> <em> * @return the length of the file.</em>
<a name="98" href="#98">98</a> <em> * @see PartSource#getLength()</em>
<a name="99" href="#99">99</a> <em> */</em>
<a name="100" href="#100">100</a> <strong>public</strong> <strong>long</strong> getLength() {
<a name="101" href="#101">101</a> <strong>if</strong> (<strong>this</strong>.file != <strong>null</strong>) {
<a name="102" href="#102">102</a> <strong>return</strong> <strong>this</strong>.file.length();
<a name="103" href="#103">103</a> } <strong>else</strong> {
<a name="104" href="#104">104</a> <strong>return</strong> 0;
<a name="105" href="#105">105</a> }
<a name="106" href="#106">106</a> }
<a name="107" href="#107">107</a>
<a name="108" href="#108">108</a> <em>/**</em>
<a name="109" href="#109">109</a> <em> * Return the current filename</em>
<a name="110" href="#110">110</a> <em> * @return the filename.</em>
<a name="111" href="#111">111</a> <em> * @see PartSource#getFileName()</em>
<a name="112" href="#112">112</a> <em> */</em>
<a name="113" href="#113">113</a> <strong>public</strong> String getFileName() {
<a name="114" href="#114">114</a> <strong>return</strong> (fileName == <strong>null</strong>) ? <span class="string">"noname"</span> : fileName;
<a name="115" href="#115">115</a> }
<a name="116" href="#116">116</a>
<a name="117" href="#117">117</a> <em>/**</em>
<a name="118" href="#118">118</a> <em> * Return a new {@link FileInputStream} for the current filename.</em>
<a name="119" href="#119">119</a> <em> * @return the new input stream.</em>
<a name="120" href="#120">120</a> <em> * @throws IOException If an IO problem occurs.</em>
<a name="121" href="#121">121</a> <em> * @see PartSource#createInputStream()</em>
<a name="122" href="#122">122</a> <em> */</em>
<a name="123" href="#123">123</a> <strong>public</strong> InputStream createInputStream() throws IOException {
<a name="124" href="#124">124</a> <strong>if</strong> (<strong>this</strong>.file != <strong>null</strong>) {
<a name="125" href="#125">125</a> <strong>return</strong> <strong>new</strong> FileInputStream(<strong>this</strong>.file);
<a name="126" href="#126">126</a> } <strong>else</strong> {
<a name="127" href="#127">127</a> <strong>return</strong> <strong>new</strong> ByteArrayInputStream(<strong>new</strong> byte[] {});
<a name="128" href="#128">128</a> }
<a name="129" href="#129">129</a> }
<a name="130" href="#130">130</a>
<a name="131" href="#131">131</a> }
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