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Initial documentation on the EJB related optional tasks 

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@267808 13f79535-47bb-0310-9956-ffa450edef68
master
Conor MacNeill 25 years ago
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<html>

<head>
<meta http-equiv="Content-Language" content="en-us">
<title>Ant EJB Tasks</title>

</head>

<body>

<h1>Ant EJB Tasks User Manual</h1>
<p>by</p>
<!-- Names are in alphabetical order, on last name -->
<ul>
<li>Conor MacNeill (<a href="mailto:conor@cortexebusiness.com.au">conor@cortexebusiness.com.au</a>)</li>
</ul>

<p>Version 1.1 - 2000/07/18</p>
<hr>
<h2>Table of Contents</h2>
<ul>
<li><a href="#introduction">Introduction</a></li>
<li><a href="#ejbtasks">EJB Tasks</a></li>
</ul>

<hr>
<h2><a name="introduction">Introduction</a></h2>
<p>Ant provides a number of optional tasks for developing
<a href="http://java.sun.com/products/ejb">Enterprise Java Beans (EJBs)</a>.
In general these tasks are specific to the particular vendor's EJB Server. At present the tasks support
<a href="http://www.bea.com">Weblogic</a> 4.5.1 and 5.1 EJB servers. Over time we expect further optional tasks
to support additional EJB Servers.

<hr>
<h2><a name="ejbtasks">EJB Tasks</a></h2>
<table border="1" cellpadding="5">
<tr><td>Task</td><td>Application Servers</td></tr>
<tr><td><a href="#ddcreator">ddcreator</a></td><td>Weblogic 4.5</td></tr>
<tr><td><a href="#ejbc">ejbc</a></td><td>Weblogic 4.5</td></tr>
<tr><td><a href="#wlrun">wlrun</a></td><td>Weblogic 4.5</td></tr>
<tr><td><a href="#wlstop">wlstop</a></td><td>Weblogic 4.5</td></tr>
<tr><td><a href="#ejbjar">ejbjar</a></td><td>Weblogic 5.1</td></tr>
</table>

<hr>
<h2><a name="ddcreator">ddcreator</a></h2>
<h3><b>Description:</b></h3>
<p>ddcreator will compile a set of Weblogic text-based deployment descriptors into a serialized
EJB deployment descriptor. The selection of which of the text-based descriptors are to be compiled
is based on the standard Ant include and exclude selection mechanisms.


<h3>Parameters:</h3>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">descriptors</td>
<td valign="top">This is the base directory from which descriptors are selected.</td>
<td valign="top" align="center">Yes</td>
</tr>
<tr>
<td valign="top">dest</td>
<td valign="top">The directory where the serialised deployment descriptors will be written</td>
<td valign="top" align="center">Yes</td>
</tr>
<tr>
<td valign="top">classpath</td>
<td valign="top">This is the classpath to use to run the underlying weblogic ddcreator tool.
This must include the <code>weblogic.ejb.utils.DDCreator</code> class</td>
<td valign="top" align="center">No</td>
</tr>
</table>
<h3>Examples</h3>
<pre>&lt;ddcreator descriptors=&quot;${dd.dir}&quot;
dest=&quot;${gen.classes}&quot;
classpath=&quot;${descriptorbuild.classpath}&quot;&gt;
&lt;include name=&quot;*.txt&quot; /&gt;
&lt;/ddcreator&gt;</code>
</pre>

<hr>
<h2><a name="ejbc">ejbc</a></h2>
<h3><b>Description:</b></h3>
<p>The ejbc task will run Weblogic's ejbc tool. This tool will take a serialised deployment descriptor,
examine the various EJB interfaces and bean classes and then generate the required support classes
necessary to deploy the bean in a Weblogic EJB container. This will include the RMI stubs and skeletons
as well as the classes which implement the bean's home and remote interfaces.
<p>
The ant task which runs this tool is able to compile several beans in a single operation. The beans to be
compiled are selected by including their serialised deployment descriptors. The standard ant
<code>include</code> and <code>exclude</code> constructs can be used to select the deployment descriptors
to be included.
<p>
Each descriptor is examined to determiune whether the generated classes are out of date and need to be
regenerated. The deployment descriptor is de-serialized to discover the home, remote and
implementation classes. The corresponding source files are determined and checked to see their
modification times. These times and the modification time of the serialised descriptor itself are
compared with the modification time of the generated classes. If the generated classes are not present
or are out of date, the ejbc tool is run to generate new versions.
<h3>Parameters:</h3>
<table border="1" cellpadding="2" cellspacing="0">
<tr>
<td valign="top"><b>Attribute</b></td>
<td valign="top"><b>Description</b></td>
<td align="center" valign="top"><b>Required</b></td>
</tr>
<tr>
<td valign="top">descriptors</td>
<td valign="top">This is the base directory from which the serialised deployment descriptors are selected.</td>
<td valign="top" align="center">Yes</td>
</tr>
<tr>
<td valign="top">dest</td>
<td valign="top">The base directory where the generated classes, RIM stubs and RMI skeletons are written</td>
<td valign="top" align="center">Yes</td>
</tr>
<tr>
<td valign="top">manifest</td>
<td valign="top">The name of a manifest file to be written. This manifest will contain an entry for each EJB processed</td>
<td valign="top" align="center">Yes</td>
</tr>
<tr>
<td valign="top">src</td>
<td valign="top">The base directory of the source tree containing the source files of the home interface,
remote interface and bean implementation classes.</td>
<td valign="top" align="center">Yes</td>
</tr>
<tr>
<td valign="top">classpath</td>
<td valign="top">This classpath must include both the <code>weblogic.ejbc</code> class and the
classfiles of the bean, home interface, remote interface, etc of the bean being
processed.</td>
<td valign="top" align="center">No</td>
</tr>
</table>
<h3>Examples</h3>
<pre>&lt;ejbc descriptors=&quot;${gen.classes}&quot;
src=&quot;${src.dir}&quot;
dest=&quot;${gen.classes}&quot;
manifest=&quot;${build.manifest}&quot;
classpath=&quot;${descriptorbuild.classpath}&quot;&gt;
&lt;include name=&quot;*.ser&quot; /&gt;
&lt;/ejbc&gt;</code>
</pre>

<hr>
<h2><a name="wlrun">wlrun</a></h2>
<h3><b>Description:</b></h3>
<p>This is an experimental task and is not currently documented.

<hr>
<h2><a name="wlstop">wlstop</a></h2>
<h3><b>Description:</b></h3>
<p>This is an experimental task and is not currently documented.

<hr>
<h2><a name="ejbjar">ejbjar</a></h2>
<h3><b>Description:</b></h3>
<p>Documentation is not currently available.

</body>

</html>



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@@ -3320,6 +3320,7 @@ Reserved.</p>
<li><a href="#renameexts">RenameExtensions</a></li> <li><a href="#renameexts">RenameExtensions</a></li>
<li><a href="#script">Script</a></li> <li><a href="#script">Script</a></li>
<li><a href="#vssget">VssGet</a></li> <li><a href="#vssget">VssGet</a></li>
<li><a href="ejb.html">EJB Tasks</a></li>
</ul> </ul>
<hr> <hr>
<h2><a name="netrexxc">NetRexxC</a></h2> <h2><a name="netrexxc">NetRexxC</a></h2>


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src/main/org/apache/tools/ant/taskdefs/optional/ejb/DDCreator.java View File

@@ -98,11 +98,13 @@ public class DDCreator extends MatchingTask {
* @exception BuildException if someting goes wrong with the build * @exception BuildException if someting goes wrong with the build
*/ */
public void execute() throws BuildException { public void execute() throws BuildException {
if (!descriptorDirectory.isDirectory()) {
if (descriptorDirectory == null ||
!descriptorDirectory.isDirectory()) {
throw new BuildException("descriptors directory " + descriptorDirectory.getPath() + throw new BuildException("descriptors directory " + descriptorDirectory.getPath() +
" is not valid"); " is not valid");
} }
if (!generatedFilesDirectory.isDirectory()) {
if (generatedFilesDirectory == null ||
!generatedFilesDirectory.isDirectory()) {
throw new BuildException("dest directory " + generatedFilesDirectory.getPath() + throw new BuildException("dest directory " + generatedFilesDirectory.getPath() +
" is not valid"); " is not valid");
} }


+ 6
- 3
src/main/org/apache/tools/ant/taskdefs/optional/ejb/Ejbc.java View File

@@ -108,16 +108,19 @@ public class Ejbc extends MatchingTask {
* @exception BuildException if someting goes wrong with the build * @exception BuildException if someting goes wrong with the build
*/ */
public void execute() throws BuildException { public void execute() throws BuildException {
if (!descriptorDirectory.isDirectory()) {
if (descriptorDirectory == null ||
!descriptorDirectory.isDirectory()) {
throw new BuildException("descriptors directory " + descriptorDirectory.getPath() + throw new BuildException("descriptors directory " + descriptorDirectory.getPath() +
" is not valid"); " is not valid");
} }
if (!generatedFilesDirectory.isDirectory()) {
if (generatedFilesDirectory == null ||
!generatedFilesDirectory.isDirectory()) {
throw new BuildException("dest directory " + generatedFilesDirectory.getPath() + throw new BuildException("dest directory " + generatedFilesDirectory.getPath() +
" is not valid"); " is not valid");
} }
if (!sourceDirectory.isDirectory()) {
if (sourceDirectory == null ||
!sourceDirectory.isDirectory()) {
throw new BuildException("src directory " + sourceDirectory.getPath() + throw new BuildException("src directory " + sourceDirectory.getPath() +
" is not valid"); " is not valid");
} }


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