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<th width="60%" align="center">Chapter 28.
Building Berkeley DB for Windows
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<div class="sect1" lang="en" xml:lang="en">
<div class="titlepage">
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<div>
<h2 class="title" style="clear: both"><a id="build_win_java"></a>Building the Java API</h2>
</div>
</div>
</div>
<div class="toc">
<dl>
<dt>
<span class="sect2">
<a href="build_win_java.html#id1632327">Building Java with Visual C++ .NET or above</a>
</span>
</dt>
<dt>
<span class="sect2">
<a href="build_win_java.html#id1632460">Building Java with Visual C++ 6.0</a>
</span>
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<p>Java support is not built automatically. The following instructions
assume that you have installed the Sun Java Development Kit in
<code class="filename">d:\java</code>. Of course, if you installed elsewhere or have
different Java software, you will need to adjust the pathnames
accordingly.</p>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="id1632327"></a>Building Java with Visual C++ .NET or above</h3>
</div>
</div>
</div>
<div class="orderedlist">
<ol type="1">
<li>Set your include directories. Choose <span class="emphasis"><em>Tools -> Options
-> Projects -> VC++ Directories</em></span>. Under the "Show
directories for" pull-down, select "Include files". Add the full
pathnames for the <code class="filename">d:\java\include</code> and
<code class="filename">d:\java\include\win32</code> directories. Then click OK. These are
the directories needed when including jni.h.</li>
<li>Set the executable files directories. Choose <span class="emphasis"><em>Tools ->
Options -> Projects -> VC++ Directories</em></span>. Under the "Show
directories for" pull-down, select "Executable files". Add the full
pathname for the <code class="filename">d:\java\bin</code> directory, then click OK.
This is the directory needed to find javac.</li>
<li>Set the build type to Release or Debug in the drop-down on the
tool bar.</li>
<li>
<p>
To build, right-click on db_java and select Build. This builds the
Java support library for Berkeley DB and compiles all the java files,
placing the resulting <code class="filename">db.jar</code> and
<code class="filename">dbexamples.jar</code> files in one of the following
Berkeley DB subdirectories, depending on the configuration that you chose:
</p>
<table class="simplelist" border="0" summary="Simple list">
<tr>
<td>
<code class="filename">build_windows\Win32\Debug</code>
</td>
</tr>
<tr>
<td>
<code class="filename">build_windows\Win32\Release</code>
</td>
</tr>
</table>
</li>
</ol>
</div>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="id1632460"></a>Building Java with Visual C++ 6.0</h3>
</div>
</div>
</div>
<div class="orderedlist">
<ol type="1">
<li>Set the include directories. Choose <span class="emphasis"><em>Tools -> Options
-> Directories</em></span>. Under the "Show directories for" pull-down,
select "Include files". Add the full pathnames for the
<code class="filename">d:\java\include</code> and <code class="filename">d:\java\include\win32</code> directories.
These are the directories needed when including <code class="filename">jni.h</code>.</li>
<li>Set the executable files directories. Choose <span class="emphasis"><em>Tools ->
Options -> Directories</em></span>. Under the "Show directories for"
pull-down, select "Executable files". Add the full pathname for the
<code class="filename">d:\java\bin</code> directory. This is the directory needed to
find javac.</li>
<li>Go to <span class="emphasis"><em>Build -> Set Active Configuration</em></span> and
select either the Debug or Release version of the db_java project. Then
press OK.</li>
<li>
<p>
To build, select <span class="emphasis"><em>Build -> Build
libdb_java48.dll</em></span>. This builds the Java support
library for Berkeley DB and compiles all the java files, placing
the resulting <code class="filename">db.jar</code> and
<code class="filename">dbexamples.jar</code> files in one of the following
Berkeley DB subdirectories, depending on the configuration that you chose:
</p>
<table class="simplelist" border="0" summary="Simple list">
<tr>
<td>
<code class="filename">build_windows\Win32\Debug</code>
</td>
</tr>
<tr>
<td>
<code class="filename">build_windows\Win32\Release</code>
</td>
</tr>
</table>
</li>
</ol>
</div>
<p>To run Java code, set your environment variable <code class="literal">CLASSPATH</code>
to include the full pathname of these jar files, and your environment
variable <code class="literal">PATH</code> to include the <code class="filename">build_windows\Win32\Release</code>
subdirectory. On Windows, remember that files or directories in the
<code class="literal">CLASSPATH</code> and <code class="literal">PATH</code> variables must be
separated by semicolons (unlike UNIX). Then, try running the following command
as a test:</p>
<pre class="programlisting">java db.AccessExample</pre>
<p>If you want to run Java code using a Debug build, substitute 'Debug'
for 'Release' in the instructions above. Make sure you use the Debug
JAR file with the Debug DLL and the Release JAR with the Release
DLL.</p>
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