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Update generated docs. 

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271659 13f79535-47bb-0310-9956-ffa450edef68
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Peter Donald 23 years ago
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<!-- Content Stylesheet for Site -->

<!-- start the processing -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
<meta name="author" value="Adam Murdoch">
<meta name="email" value="adammurdoch@apache.org">
<title>Apache Myrmidon - User Guide</title>
</head>
<body bgcolor="#ffffff" text="#000000" link="#525D76">
<table border="0" width="100%" cellspacing="0">
<!-- TOP IMAGE -->
<tr>
<td> <td colspan="2">
<a href="http://jakarta.apache.org"><img src="http://jakarta.apache.org/images/jakarta-logo.gif" align="left" border="0"/></a>
</td>
</td>
<td valign="bottom"><div align="right"><b><font size="+3" color="#525D76">Apache Myrmidon</font></b></div></td>
</tr>
</table>
<table border="0" width="100%" cellspacing="4">
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr>
<!-- LEFT SIDE NAVIGATION -->
<td valign="top" nowrap="true">
<p><strong>Myrmidon</strong></p>
<ul>
<li> <a href="./index.html">Introduction</a>
</li>
<li> <a href="./getinvolved.html">Get Involved</a>
</li>
<li> <a href="./user.html">Building Myrmidon</a>
</li>
<li> <a href="./todo.html">Todo List</a>
</li>
</ul>
<p><strong>User Guide</strong></p>
<ul>
<li> <a href="./buildfile.html">Build file</a>
</li>
<li> <a href="./vfs.html">Virtual File System</a>
</li>
</ul>
<p><strong>Extending Ant</strong></p>
<ul>
<li> <a href="./task.html">Task Writers HOWTO</a>
</li>
<li> <a href="./classloader.html">ClassLoader HOWTO</a>
</li>
<li> <a href="./librarys.html">Library HOWTO</a>
</li>
</ul>
<p><strong>Container Design</strong></p>
<ul>
</ul>
</td>
<td align="left" valign="top">
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#525D76">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Project File"><strong>Project File</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>
The project file format is very similar to that of Ant 1. The root element of
the project file must be a <code>&lt;project&gt;</code> element. It can
take the following attributes:
</p>
<table>
<tr>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Attribute
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Description
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Default Value
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
name
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The project name.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The base-name of the project file, with the extension removed.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
basedir
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The base directory for the project. The base directory is used
to resolve all relative file names used in the project file.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The directory containing the project file.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
default
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The name of the default target.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
<code>main</code>
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
version
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The project file version that the project is written for.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
None, must be <code>2.0</code>
</font>
</td>
</tr>
</table>
<p>
A <code>&lt;project&gt;</code> element can contain the following elements,
in the order given below:
</p>
<ul>
<li><a href="#Project References"><code>&lt;projectref&gt;</code></a></li>
<li><a href="#Library Imports"><code>&lt;import&gt;</code></a></li>
<li><a href="#Implicit Tasks">Implicit tasks</a></li>
<li><a href="#Targets"><code>&lt;target&gt;</code></a></li>
</ul>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Project References"><strong>Project References</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>Project references allow the project to import, or reference, other projects.
A <code>&lt;projectref&gt;</code> element takes the following attributes:</p>
<table>
<tr>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Attribute
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Description
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Default Value
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
name
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The name to use to identify the referenced project.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Required
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
location
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The path to the project file to reference.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Required
</font>
</td>
</tr>
</table>
<p>
The targets of a referenced project can be used in the <code>depends</code> list
of a target in the referencing project, using the following syntax:
<code><i>project-name</i>-&gt;<i>target-name</i></code>. Here is a simple example:</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>

&lt;project version=&quot;2.0&quot;&gt;
&lt;!-- Reference another project --&gt;
&lt;projectref name=&quot;subproject&quot; location=&quot;subproject/build.xml&quot;/&gt;

&lt;!-- Use the &quot;compile&quot; target from the referenced project --&gt;
&lt;target name=&quot;main&quot; depends=&quot;subproject-&gt;compile&quot;&gt;
.. do some stuff ..
&lt;/target&gt;
&lt;/project&gt;
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Library Imports"><strong>Library Imports</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>Library imports allow the project to import the tasks and data-types from an
antlib. An <code>&lt;import&gt;</code> element takes the following attributes:</p>
<table>
<tr>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Attribute
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Description
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Default Value
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
library
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The name of the library to import. The <code>ext</code> directory
of the Myrmidon distribution is searched for a library file with
the given name, and an <code>atl</code> extension.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Required
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
type
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The type of definition to import. Values include <code>task</code>,
and <code>data-type</code>.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
None
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
name
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The name of the type to import.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
None
</font>
</td>
</tr>
</table>
<p>
If the <code>type</code> and <code>name</code> attributes are not provided,
the entire contents of the antlib are imported.
</p>
<p>The following example import the <code>&lt;my-task&gt;</code> task from
the <code>my-tasks</code> antlib.</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>

&lt;project version=&quot;2.0&quot;&gt;
&lt;!-- Import task &lt;my-task&gt; from the 'my-tasks' antlib. --&gt;
&lt;import library=&quot;my-tasks&quot; type=&quot;task&quot; name=&quot;my-task&quot;/&gt;

&lt;target name=&quot;main&quot;&gt;
&lt;my-task some-prop=&quot;..&quot;/&gt;
&lt;/target&gt;
&lt;/project&gt;
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Implicit Tasks"><strong>Implicit Tasks</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>Implicit tasks are run before any of the project's targets are run. Any task
can be used, including <code>&lt;property&gt;</code> and data-type instances.
Implicit tasks can be used to initialise the project. For example:</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>

&lt;project version=&quot;2.0&quot;&gt;

&lt;property name=&quot;some-property&quot; value=&quot;some value&quot;/&gt;
&lt;path id=&quot;classpath&quot;&gt;
&lt;fileset dir=&quot;lib&quot;/&gt;
&lt;/path&gt;
&lt;log&gt;Set classpath to ${classpath}&lt;/log&gt;

&lt;target name=&quot;main&quot;&gt;
.. do some stuff ..
&lt;/target&gt;

&lt;/project&gt;
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Targets"><strong>Targets</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>Targets have the same format as in Ant 1.x, though some of the behaviour
is different. A <code>&lt;target&gt;</code> element takes the following
attributes:</p>
<table>
<tr>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Attribute
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Description
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Default Value
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
name
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The name of the target.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Required
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
depends
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
A comma-separated list of targets that this target depends on.
This list can contain targets from referenced projects.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
None
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
if
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Only execute this target if the specified property is set, and not
equal to <code>false</code>.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
None
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
unless
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Do not execute this target if the specified property is set, and not
equal to <code>false</code>.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
None
</font>
</td>
</tr>
</table>
</blockquote>
</td></tr>
</table>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#525D76">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Tasks"><strong>Tasks</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>
The following table lists some of the current set of tasks. You can find
example usages of these tasks in the sample project file
<code>src/make/sample.ant</code>.
</p>
<table>
<tr>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Task
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Description
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
fail
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Causes the build to fail.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
if
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Conditionally executes a set of tasks.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
load-properties
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Loads a set of properties from a file.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
log
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Writes a log message.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
property
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Sets a property.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
try-catch
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Runs a set of tasks, with a provided error and clean-up handler.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
converter-def
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Register a type converter. These are used when configuring a task
or data-type from attributes.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
type-def
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Register a task or data-type.
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
import
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Register the contents of an antlib.
</font>
</td>
</tr>
</table>
</blockquote>
</td></tr>
</table>
</td>
</tr>

<!-- FOOTER -->
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr><td colspan="2">
<div align="center"><font color="#525D76" size="-1"><em>
Copyright &#169; 2000-2002, Apache Software Foundation
</em></font></div>
</td></tr>
</table>
</body>
</html>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<!-- Content Stylesheet for Site -->

<!-- start the processing -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
<meta name="author" value="Peter Donald">
<meta name="email" value="peter@apache.org">
<title>Apache Myrmidon - On ClassLoaders in Ant2</title>
</head>
<body bgcolor="#ffffff" text="#000000" link="#525D76">
<table border="0" width="100%" cellspacing="0">
<!-- TOP IMAGE -->
<tr>
<td> <td colspan="2">
<a href="http://jakarta.apache.org"><img src="http://jakarta.apache.org/images/jakarta-logo.gif" align="left" border="0"/></a>
</td>
</td>
<td valign="bottom"><div align="right"><b><font size="+3" color="#525D76">Apache Myrmidon</font></b></div></td>
</tr>
</table>
<table border="0" width="100%" cellspacing="4">
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr>
<!-- LEFT SIDE NAVIGATION -->
<td valign="top" nowrap="true">
<p><strong>Myrmidon</strong></p>
<ul>
<li> <a href="./index.html">Introduction</a>
</li>
<li> <a href="./getinvolved.html">Get Involved</a>
</li>
<li> <a href="./user.html">Building Myrmidon</a>
</li>
<li> <a href="./todo.html">Todo List</a>
</li>
</ul>
<p><strong>User Guide</strong></p>
<ul>
<li> <a href="./buildfile.html">Build file</a>
</li>
<li> <a href="./vfs.html">Virtual File System</a>
</li>
</ul>
<p><strong>Extending Ant</strong></p>
<ul>
<li> <a href="./task.html">Task Writers HOWTO</a>
</li>
<li> <a href="./classloader.html">ClassLoader HOWTO</a>
</li>
<li> <a href="./librarys.html">Library HOWTO</a>
</li>
</ul>
<p><strong>Container Design</strong></p>
<ul>
</ul>
</td>
<td align="left" valign="top">
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#525D76">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="ClassLoader Management"><strong>ClassLoader Management</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>In many ways Ant2 needs to follow rules similar to a number of
different application servers with respect to ClassLoader management.
Ant2 will create a number of different ClassLoaders that have access
to different sets of resources (and thus Classes). The main reason
for this arrangment is to partition different sections of the
application such as the Container, the Task API, task/type libraries
and support libraries.</p>
<p>The recomended structure for ClassLoader relationships is a hierarchy.
When a ClassLoader is asked for a resource (or a class) it first delegates
to it's parent to ask for the resource. If the resource is not present in
its parent ClassLoader then the ClassLoader attempts to locate the resource
in it's own store. In practice this means that all the classes (and static
variables defined by said classes) in a parent ClassLoader are shared with
the child ClassLoaders.</p>
<p>Using kooky ascii art, the specific ClassLoader structure for Ant2 is as
follows:</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>
Bootstrap
|
System
|
Common
/ \
Container Shared
/ \
Antlib1 Antlib2 ...
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<ul>
<li>
The <strong>Bootstrap</strong> ClassLoader contains the classes and resources
provided by the Java runtime.
</li>
<li>
The <strong>System</strong> ClassLoader contains the classes that were made accessible
via the CLASSPATH environment variable. If the standard ant script was used then this
should only contain the classes that are used to bootstrap the ant runtime. ie
<code>$ANT_HOME/bin/ant-launcher.jar</code>
</li>
<li>
The <strong>Common</strong> ClassLoader contains the classes and resources
that are made visible to both the Container and to all the ant type librarys. This
contains all the classes that the Container uses to communicate with tasks and other
supporting infrastructure. In particular it contains the following APIs;
<ul>
<li>
<em>Task API</em> - Contains the classes that are part of the API used
to define tasks.
</li>
<li>
<em>ProjectListener API</em> - Contains the classes necessary to define new
ProjectListeners.
</li>
<li>
<em>Aspect API</em> - Contains the classes that are used to define Aspects
of the container.
</li>
<li>
<em>Container API</em> - Contains the interfaces that are required to communicate
with the objects deep within the container. <strong>NOTE</strong>: These interfaces
are not to be used by user tasks but are made available so that certain tasks (such
as &lt;antcall/&gt;) can be implemented. However they are subject to change without
notice between between different ant2 versions.
</li>
</ul>
<p>
These classes are loaded from all the jars present in the <code>$ANT_HOME/lib</code>
directory.
</p>
</li>
<li>
The <strong>Container</strong> ClassLoader contains all the classes and resources
that are part of the actual implementation of the Container. These classes are not
directly accessible to any Ant library or task. Some of the classes are indirectly
accessible to tasks and other elements defined in the ant librarys as they implement
interfaces defined in the <strong>Common</strong> ClassLoader. The classes that are
stored in jars in the <code>$ANT_HOME/bin/lib/</code> directory.
</li>
<li>
The <strong>Shared</strong> ClassLoader contains all the classes and resources
that are shared across all of the ant librarys (unless they are als needed by the
container in which case they should be placed int the <strong>Container</strong>
ClassLoader). This ClassLoader is populated by all the jars that are contained in
the <code>$ANT_HOME/shared/</code> directory.
</li>
<li>
The <strong>AntLib</strong> ClassLoaders each contain the classes and resources
that required by that particular library. Note that in some cases a single Ant
Library will manifest as a single ClassLoader containing a single jar. However
in some cases it is possible for one Ant Library to have multiple jars in its
ClassLoader or even have multiple ClassLoaders. See XXXX for further details.
</li>
</ul>
</blockquote>
</td></tr>
</table>
</td>
</tr>

<!-- FOOTER -->
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr><td colspan="2">
<div align="center"><font color="#525D76" size="-1"><em>
Copyright &#169; 2000-2002, Apache Software Foundation
</em></font></div>
</td></tr>
</table>
</body>
</html>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<!-- Content Stylesheet for Site -->

<!-- start the processing -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
<meta name="author" value="Adam Murdoch">
<meta name="email" value="adammurdoch@apache.org">
<title>Apache Myrmidon - Get Involved</title>
</head>
<body bgcolor="#ffffff" text="#000000" link="#525D76">
<table border="0" width="100%" cellspacing="0">
<!-- TOP IMAGE -->
<tr>
<td> <td colspan="2">
<a href="http://jakarta.apache.org"><img src="http://jakarta.apache.org/images/jakarta-logo.gif" align="left" border="0"/></a>
</td>
</td>
<td valign="bottom"><div align="right"><b><font size="+3" color="#525D76">Apache Myrmidon</font></b></div></td>
</tr>
</table>
<table border="0" width="100%" cellspacing="4">
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr>
<!-- LEFT SIDE NAVIGATION -->
<td valign="top" nowrap="true">
<p><strong>Myrmidon</strong></p>
<ul>
<li> <a href="./index.html">Introduction</a>
</li>
<li> <a href="./getinvolved.html">Get Involved</a>
</li>
<li> <a href="./user.html">Building Myrmidon</a>
</li>
<li> <a href="./todo.html">Todo List</a>
</li>
</ul>
<p><strong>User Guide</strong></p>
<ul>
<li> <a href="./buildfile.html">Build file</a>
</li>
<li> <a href="./vfs.html">Virtual File System</a>
</li>
</ul>
<p><strong>Extending Ant</strong></p>
<ul>
<li> <a href="./task.html">Task Writers HOWTO</a>
</li>
<li> <a href="./classloader.html">ClassLoader HOWTO</a>
</li>
<li> <a href="./librarys.html">Library HOWTO</a>
</li>
</ul>
<p><strong>Container Design</strong></p>
<ul>
</ul>
</td>
<td align="left" valign="top">
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#525D76">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Get Involved"><strong>Get Involved</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>There are plenty of things you can do to help out with Myrmidon. The Todo
list below describes items which still need to be done. Of course, since
this is an open-source project, there's plenty of scope for experimentation,
and you can pretty much make up your own items to work on.</p>
<p>Some things that are worth reading if you do want to get involved:</p>
<ul>
<li>The <a href="http://jakarta.apache.org/ant/ant2/">Ant 2</a> goals and requirements.</li>
<li>The <a href="http://jakarta.apache.org/ant/ant2/actionlist.html">Ant 1.9 Action List</a>.</li>
<li>The Jakarta Project's <a href="http://jakarta.apache.org/site/getinvolved.html">Get Involved</a> page.</li>
</ul>
<p>There is no Ant 2 or Myrmidon mailing list yet, so direct any questions
or comments you have to the ant-dev mailing list.</p>
</blockquote>
</td></tr>
</table>
</td>
</tr>

<!-- FOOTER -->
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr><td colspan="2">
<div align="center"><font color="#525D76" size="-1"><em>
Copyright &#169; 2000-2002, Apache Software Foundation
</em></font></div>
</td></tr>
</table>
</body>
</html>
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@@ -18,10 +18,12 @@
<table border="0" width="100%" cellspacing="0">
<!-- TOP IMAGE -->
<tr>
<td colspan="2">
<td> <td colspan="2">
<a href="http://jakarta.apache.org"><img src="http://jakarta.apache.org/images/jakarta-logo.gif" align="left" border="0"/></a>
</td>
</tr>
</td>
<td valign="bottom"><div align="right"><b><font size="+3" color="#525D76">Apache Myrmidon</font></b></div></td>
</tr>
</table>
<table border="0" width="100%" cellspacing="4">
<tr><td colspan="2">
@@ -35,12 +37,31 @@
<ul>
<li> <a href="./index.html">Introduction</a>
</li>
<li> <a href="./user.html">User Guide</a>
<li> <a href="./getinvolved.html">Get Involved</a>
</li>
<li> <a href="./user.html">Building Myrmidon</a>
</li>
<li> <a href="./todo.html">Todo List</a>
</li>
</ul>
<p><strong>User Guide</strong></p>
<ul>
<li> <a href="./buildfile.html">Build file</a>
</li>
<li> <a href="./vfs.html">Virtual File System</a>
</li>
</ul>
<p><strong>Extending Ant</strong></p>
<ul>
<li> <a href="./task.html">Task Writers HOWTO</a>
</li>
<li> <a href="./todo.html">Get Involved</a>
<li> <a href="./classloader.html">ClassLoader HOWTO</a>
</li>
<li> <a href="./todo.html#Todo List">Todo List</a>
<li> <a href="./librarys.html">Library HOWTO</a>
</li>
</ul>
<p><strong>Container Design</strong></p>
<ul>
</ul>
</td>
<td align="left" valign="top">


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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
<meta name="author" value="Peter Donald">
<meta name="email" value="peter@apache.org">
<title>Apache Myrmidon - On Librarys in Ant2</title>
</head>
<body bgcolor="#ffffff" text="#000000" link="#525D76">
<table border="0" width="100%" cellspacing="0">
<!-- TOP IMAGE -->
<tr>
<td> <td colspan="2">
<a href="http://jakarta.apache.org"><img src="http://jakarta.apache.org/images/jakarta-logo.gif" align="left" border="0"/></a>
</td>
</td>
<td valign="bottom"><div align="right"><b><font size="+3" color="#525D76">Apache Myrmidon</font></b></div></td>
</tr>
</table>
<table border="0" width="100%" cellspacing="4">
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr>
<!-- LEFT SIDE NAVIGATION -->
<td valign="top" nowrap="true">
<p><strong>Myrmidon</strong></p>
<ul>
<li> <a href="./index.html">Introduction</a>
</li>
<li> <a href="./getinvolved.html">Get Involved</a>
</li>
<li> <a href="./user.html">Building Myrmidon</a>
</li>
<li> <a href="./todo.html">Todo List</a>
</li>
</ul>
<p><strong>User Guide</strong></p>
<ul>
<li> <a href="./buildfile.html">Build file</a>
</li>
<li> <a href="./vfs.html">Virtual File System</a>
</li>
</ul>
<p><strong>Extending Ant</strong></p>
<ul>
<li> <a href="./task.html">Task Writers HOWTO</a>
</li>
<li> <a href="./classloader.html">ClassLoader HOWTO</a>
</li>
<li> <a href="./librarys.html">Library HOWTO</a>
</li>
</ul>
<p><strong>Container Design</strong></p>
<ul>
</ul>
</td>
<td align="left" valign="top">
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#525D76">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Library Management"><strong>Library Management</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>Long ago there was identified the need for librarys that contain
tasks and other elements present in the build file. This document
attempts to describe the mechanism via which these libraries will be
defined and used in Ant2. The librarys (also referred to as
deployments) will be termed antlibs.</p>
<p>Ant librarys can be packaged and signed into a ANt Type Library
format (.atl) using the standard Java Archive tools. (For details on
the .jar file format see the
<a href="http://java.sun.com/j2se/1.3/docs/guide/jar/index.html">
Jar Specification</a>.</p>
<p>When packaged into such a form the META-INF/ directory contains
ant specific descriptors in addition to the standard Jar manifest
and other descriptor files. The archive will also contain the
<code>.class</code> files for all the tasks and other types the
library defines. It may also contain additional resources that can
be referenced in the build file (an example being DTDs).</p>
<p>The library may also need access to other librarys or resources
to perform its job. For instance, if the task loaded an XML document
and then processed said document using the <em>Trax API</em> then
the Ant library needs to have access to the <em>Trax API</em> and an
implementation of the API. The Antlib mechanism thus uses the standard
"Optional Package" Specification to declare dependencies on other
libraries.</p>
<p>The libraries will usually be installed in standard locations that
make it possible for the Ant container to automatically locate and scan
the libraries. It will also be possible for the users to specify
additional search locations or even the specific location of ant
libraries.</p>
<p>The following sections will describe each of these different facets
in greater detail.</p>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Descriptors"><strong>Descriptors</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>FIXME: Import this part from other doco</p>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Class and Resource Files"><strong>Class and Resource Files</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>The class and resources files should be stored as in standard jars. The
root directory being the base via which code and resources are loaded. So
the <code>.class</code> file for the Java class <code>com.biz.tasks.Mytask</code>
would be stored in <code>/com/biz/tasks/Mytask.class</code></p>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Dependencies"><strong>Dependencies</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>It is often the case that a library will need external resources. The
example given above described dependence on an external XML library. The
ant library thus needs a mechanism via which to declare dependencies on
external libraries.</p>
<p>Ant2 uses the "Optional Package" mechanism. Prior to JDK1.3, an "Optional
Package" was known as an <em>Extension</em>. The specification for this
mechanism is available in the JDK1.3 documentation in the directory
<code>$JDK_HOME/docs/guide/extensions/versioning.html</code>. Alternatively
it is available online at
<a href="http://java.sun.com/j2se/1.3/docs/guide/extensions/versioning.html">
http://java.sun.com/j2se/1.3/docs/guide/extensions/versioning.html</a>.</p>
<p>This mechanism was adopted as it is an established standard. The standard
is also begining to be adopted by other specifications such as the <em>Servlet
2.3 API</em>. Thus we are likely to see an increase of jars using this mechanism
to specify dependencies.</p>
<p>The "Optional Package" mechanism allows jars to specify dependencies on other
jars that implement a particular specification at particular version levels. For
example you could specify a dependency on the Trax 1.1 API by adding the following
to the manifest of your jar.</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>
Extension-List: trax
trax-Extension-Name: Java API for XML Parsing
trax-Specification-Version: 1.1
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>In some cases you may also wish to specify a dependency on a specific vendors
implementation. For instance you may need to use xalan due to it implementing a
particular extension you need. In that case you manifest may contain;</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>
Extension-List: trax
trax-Extension-Name: Java API for XML Parsing
trax-Specification-Version: 1.1
trax-Implementation-Title: org.apache.xalan.xslt
trax-Implementation-Version: 2.1.0
trax-Implementation-Vendor: Apache Software Foundation
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>In many cases there will be no distinction between the specification and
the implementation of a library. For instance the Velocity project only has
one implementation and one specification. In which case it is sufficient to
just declare a dependency on the Velocity "Specification". A library that uses
both the Trax API and the Velocity project may look like;</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>
Extension-List: trax velocity
velocity-Extension-Name: org.apache.velocity
velocity-Specification-Version: 1.0
trax-Extension-Name: Java API for XML Parsing
trax-Specification-Version: 1.1
trax-Implementation-Title: org.apache.xalan.xslt
trax-Implementation-Version: 2.1.0
trax-Implementation-Vendor: Apache Software Foundation
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>To make other jars available to Ant librarys as "Optional Packages"
or Extensions then you need to add a few lines to the manifest of the
other jar. The minimal manifest is the following;</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>
Extension-Name: org.realityforge.dve
Specification-Vendor: Peter Donald
Specification-Version: 1.0
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<p>It is important to note that looking for dependencies is recursive. For example,
if the ant library depends upon jar A and and A depends on B then both A and B will
need to be loaded by the container.</p>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Implementation Notes"><strong>Implementation Notes</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>So far there has been no mention of implementation strategies for
managing ClassLoaders and other details about where the "Optional Packages"
are stored. This section will outline such details but they could change
in the future. The above specification will still be accurate but the approach
to implementing specification will be different.</p>
<p>In the current architecture all of the "Optional Packages" are assumed to
be stored in the <code>$ANT_HOME/ext</code> directory. The runtime will scan
this directory for jars and add all the "optional Packages" found into a
registry. This registry will be used by the library loading mechanism to locate
all the "Optional Packages". The user is able to specify an alternative directory
or add a new directory to search on the commandline.</p>
<p>When the container attempts to load an ant library it will also try to load
any needed dependencies. First it will check the parent ClassLoaders to see if any
of them contain the required dependencies. If not then it will search the
"Optional Packages" registry. If the dependency is not found then a error will be
signaled. If the dependency is found in the "Optional Packages" registry then it is
loaded by the same ClassLoader that is used to load the Ant library.</p>
</blockquote>
</td></tr>
</table>
</blockquote>
</td></tr>
</table>
</td>
</tr>

<!-- FOOTER -->
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr><td colspan="2">
<div align="center"><font color="#525D76" size="-1"><em>
Copyright &#169; 2000-2002, Apache Software Foundation
</em></font></div>
</td></tr>
</table>
</body>
</html>
<!-- end the processing -->





+ 170
- 172
proposal/myrmidon/docs/todo.html View File

@@ -18,10 +18,12 @@
<table border="0" width="100%" cellspacing="0">
<!-- TOP IMAGE -->
<tr>
<td colspan="2">
<td> <td colspan="2">
<a href="http://jakarta.apache.org"><img src="http://jakarta.apache.org/images/jakarta-logo.gif" align="left" border="0"/></a>
</td>
</tr>
</td>
<td valign="bottom"><div align="right"><b><font size="+3" color="#525D76">Apache Myrmidon</font></b></div></td>
</tr>
</table>
<table border="0" width="100%" cellspacing="4">
<tr><td colspan="2">
@@ -35,39 +37,35 @@
<ul>
<li> <a href="./index.html">Introduction</a>
</li>
<li> <a href="./user.html">User Guide</a>
<li> <a href="./getinvolved.html">Get Involved</a>
</li>
<li> <a href="./user.html">Building Myrmidon</a>
</li>
<li> <a href="./todo.html">Get Involved</a>
<li> <a href="./todo.html">Todo List</a>
</li>
</ul>
<p><strong>User Guide</strong></p>
<ul>
<li> <a href="./buildfile.html">Build file</a>
</li>
<li> <a href="./todo.html#Todo List">Todo List</a>
<li> <a href="./vfs.html">Virtual File System</a>
</li>
</ul>
<p><strong>Extending Ant</strong></p>
<ul>
<li> <a href="./task.html">Task Writers HOWTO</a>
</li>
<li> <a href="./classloader.html">ClassLoader HOWTO</a>
</li>
<li> <a href="./librarys.html">Library HOWTO</a>
</li>
</ul>
<p><strong>Container Design</strong></p>
<ul>
</ul>
</td>
<td align="left" valign="top">
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#525D76">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Get Involved"><strong>Get Involved</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>There are plenty of things you can do to help out with Myrmidon. The Todo
list below describes items which still need to be done. Of course, since
this is an open-source project, there's plenty of scope for experimentation,
and you can pretty much make up your own items to work on.</p>
<p>Some things that are worth reading if you do want to get involved:</p>
<ul>
<li>The <a href="http://jakarta.apache.org/ant/ant2/">Ant 2</a> goals and requirements.</li>
<li>The <a href="http://jakarta.apache.org/ant/ant2/actionlist.html">Ant 1.9 Action List</a>.</li>
<li>The Jakarta Project's <a href="http://jakarta.apache.org/site/getinvolved.html">Get Involved</a> page.</li>
</ul>
<p>There is no Ant 2 or Myrmidon mailing list yet, so direct any questions
or comments you have to the ant-dev mailing list.</p>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#525D76">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Todo List"><strong>Todo List</strong></a>
@@ -76,9 +74,9 @@ or comments you have to the ant-dev mailing list.</p>
<tr><td>
<blockquote>
<p>The broad goal is to grow Myrmidon from a prototype task engine into a fully
fledged build system, that can serve as the basis for Ant 2. The following
sections describe some of the many things which still need to be done to
achieve that goal. This list is currently under construction.</p>
fledged build system, that can serve as the basis for Ant 2. The following
sections describe some of the many things which still need to be done to
achieve that goal. This list is currently under construction.</p>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
@@ -88,10 +86,10 @@ achieve that goal. This list is currently under construction.</p>
<tr><td>
<blockquote>
<p>Myrmidon must be able to build itself. Currently, it is built using
Ant 1.x. Ultimately, Myrmidon should be able to build itself from exactly the
same build file. To start with, however, there is no need for Myrmidon to be
able to do this. Myrmidon should also be able to be bootstrapped (that is, be
able to be built from scratch, without using Ant 1.x at all).</p>
Ant 1.x. Ultimately, Myrmidon should be able to build itself from exactly the
same build file. To start with, however, there is no need for Myrmidon to be
able to do this. Myrmidon should also be able to be bootstrapped (that is, be
able to be built from scratch, without using Ant 1.x at all).</p>
</blockquote>
</td></tr>
</table>
@@ -104,8 +102,8 @@ able to be built from scratch, without using Ant 1.x at all).</p>
<tr><td>
<blockquote>
<p>There are 2 parts to this broad topic: Allow Ant 1.x build scripts to be
executed by Myrmidon, and allow Ant 1.x tasks to be executed unmodified
by Myrmidon.</p>
executed by Myrmidon, and allow Ant 1.x tasks to be executed unmodified
by Myrmidon.</p>
</blockquote>
</td></tr>
</table>
@@ -119,21 +117,21 @@ by Myrmidon.</p>
<blockquote>
<p>The VFS needs plenty of work:</p>
<ul>
<li>Move and copy files/folders.</li>
<li>Search through a file hierarchy, using Ant-style wildcards.</li>
<li>Search through a file hierarchy, using a Selector interface.</li>
<li>The in-memory caching mechanism is pretty rudimentary at this stage.
It needs work to make it size capped. In addition, some mechanism needs
to be provided to release and refresh cached info.
</li>
<li>Capabilities discovery.</li>
<li>Attributes and attribute schema.</li>
<li>File system layering. That is, the ability for a file system to
sit on top of another file system, or a file from another file system
(e.g. Zip/Jar/Tar file systems, gzip/encoding file systems, virtual file
systems).
</li>
</ul>
<li>Move and copy files/folders.</li>
<li>Search through a file hierarchy, using Ant-style wildcards.</li>
<li>Search through a file hierarchy, using a Selector interface.</li>
<li>The in-memory caching mechanism is pretty rudimentary at this stage.
It needs work to make it size capped. In addition, some mechanism needs
to be provided to release and refresh cached info.
</li>
<li>Capabilities discovery.</li>
<li>Attributes and attribute schema.</li>
<li>File system layering. That is, the ability for a file system to
sit on top of another file system, or a file from another file system
(e.g. Zip/Jar/Tar file systems, gzip/encoding file systems, virtual file
systems).
</li>
</ul>
</blockquote>
</td></tr>
</table>
@@ -146,72 +144,72 @@ by Myrmidon.</p>
<tr><td>
<blockquote>
<p>The file data-types, such as <code>&lt;fileset&gt;</code> and
<code>&lt;path&gt;</code>, are some of the most widely used parts of Ant 1.x.
Unfortunately, they aren't particularly extensible.</p>
<code>&lt;path&gt;</code>, are some of the most widely used parts of Ant 1.x.
Unfortunately, they aren't particularly extensible.</p>
<ul>
<li>Redesign the file data-types, replacing them with an interface-based
API, plus a set of implementations. The API should use the VFS file
<code>FileObject</code>, rather than <code>java.io.File</code>.
This process has started, in the <code>antlib.vfile</code> package.
</li>
<li>File Selectors:
<ul>
<li>Change <code>AbstractNameFileSelector</code> to use Ant 1 style patterns
matches, rather than Globs patterns.</li>
<li>Add 'defaultexcludes' to <code>DefaultFileSet</code>. Also add a
file selector implementation that matches everything except the default
excludes.</li>
<li>Add a condition -&gt; file selector adaptor, so that arbitrary conditions
can be used to select files.</li>
<li>Add a name selector that loads patterns from a file.</li>
<li>Add more selector implementations: size and last-modified comparisons,
checksum comparison, byte-wise content comparison.</li>
</ul></li>
<li>File Name Mappers:
<ul>
<li>Add a file name mapper interface, and port the current Mapper
implementations to it.</li>
</ul></li>
<li>File Sets:
<ul>
<li>Add a file set implementation that uses a mapper to transform a nested
file set.</li>
<li>Add a file set implementation that provides the union of several
nested file sets (that is, a file set that merges several file sets
together).</li>
<li>Add a file set implementation that filters files that are up-to-date
WRT some other file. Alternatively, this might be better done using a
file selector.</li>
</ul></li>
<li>Paths:
<ul>
<li>Add path implementations that evaluate to the system classpath,
and the ant runtime classpath. Or, more generally, combine this with
<code>ClassLoaderManager</code> to evaluate to the classpath of any
'library' (e.g. system classpath, ant runtime, tools.jar,
an antlib, an installed extension, or the system classes of another JVM
for cross-compiling).</li>
</ul></li>
<li>File Filters:
<ul>
<li>Add a file filter interface, and use it in the copy task.</li>
<li>Add a filter implementation that applies the token replacement that
the old copy task provides.</li>
<li>Add a filter that does cr/lf translation.</li>
<li>Add a gzip/gunzip filter.</li>
<li>Add a filter that applies character set encode/decode.</li>
</ul></li>
<li>Copy task:
<ul>
<li>Implement 'preservelastmodified', 'overwrite', and 'includeemptydirs'.</li>
<li>Support a file name mapper.</li>
<li>Support file filters.</li>
</ul></li>
<li>Implement the <code>&lt;move&gt;</code>, <code>&lt;delete&gt;</code>,
<code>&lt;touch&gt;</code> and <code>&lt;mkdir&gt;</code> tasks on top
of the VFS and the new file data-types. Might be some scope for generalising
'touch' and 'mkdir' into a single task.</li>
</ul>
<li>Redesign the file data-types, replacing them with an interface-based
API, plus a set of implementations. The API should use the VFS file
<code>FileObject</code>, rather than <code>java.io.File</code>.
This process has started, in the <code>antlib.vfile</code> package.
</li>
<li>File Selectors:
<ul>
<li>Change <code>AbstractNameFileSelector</code> to use Ant 1 style patterns
matches, rather than Globs patterns.</li>
<li>Add 'defaultexcludes' to <code>DefaultFileSet</code>. Also add a
file selector implementation that matches everything except the default
excludes.</li>
<li>Add a condition -&gt; file selector adaptor, so that arbitrary conditions
can be used to select files.</li>
<li>Add a name selector that loads patterns from a file.</li>
<li>Add more selector implementations: size and last-modified comparisons,
checksum comparison, byte-wise content comparison.</li>
</ul></li>
<li>File Name Mappers:
<ul>
<li>Add a file name mapper interface, and port the current Mapper
implementations to it.</li>
</ul></li>
<li>File Sets:
<ul>
<li>Add a file set implementation that uses a mapper to transform a nested
file set.</li>
<li>Add a file set implementation that provides the union of several
nested file sets (that is, a file set that merges several file sets
together).</li>
<li>Add a file set implementation that filters files that are up-to-date
WRT some other file. Alternatively, this might be better done using a
file selector.</li>
</ul></li>
<li>Paths:
<ul>
<li>Add path implementations that evaluate to the system classpath,
and the ant runtime classpath. Or, more generally, combine this with
<code>ClassLoaderManager</code> to evaluate to the classpath of any
'library' (e.g. system classpath, ant runtime, tools.jar,
an antlib, an installed extension, or the system classes of another JVM
for cross-compiling).</li>
</ul></li>
<li>File Filters:
<ul>
<li>Add a file filter interface, and use it in the copy task.</li>
<li>Add a filter implementation that applies the token replacement that
the old copy task provides.</li>
<li>Add a filter that does cr/lf translation.</li>
<li>Add a gzip/gunzip filter.</li>
<li>Add a filter that applies character set encode/decode.</li>
</ul></li>
<li>Copy task:
<ul>
<li>Implement 'preservelastmodified', 'overwrite', and 'includeemptydirs'.</li>
<li>Support a file name mapper.</li>
<li>Support file filters.</li>
</ul></li>
<li>Implement the <code>&lt;move&gt;</code>, <code>&lt;delete&gt;</code>,
<code>&lt;touch&gt;</code> and <code>&lt;mkdir&gt;</code> tasks on top
of the VFS and the new file data-types. Might be some scope for generalising
'touch' and 'mkdir' into a single task.</li>
</ul>
</blockquote>
</td></tr>
</table>
@@ -224,26 +222,26 @@ Unfortunately, they aren't particularly extensible.</p>
<tr><td>
<blockquote>
<p>One of the goals of Ant 2 is to allow the user to easily customise and
extend Ant. The command-line and local configuration files, are two places
where this would be done. Currently, Myrmidon some customisation from the
command-line, but does not support configuration files.</p>
extend Ant. The command-line and local configuration files, are two places
where this would be done. Currently, Myrmidon some customisation from the
command-line, but does not support configuration files.</p>
<ul>

<li>Load configuration from system (from $ANT_HOME) and user (from $HOME)
configuration files.</li>
<li>Load configuration from system (from $ANT_HOME) and user (from $HOME)
configuration files.</li>

<li>Allow the following via config files:
<ul>
<li>Add (or override) the <code>lib</code> and <code>ext</code> directories.</li>
<li>Enable more than one listener, and configure the listeners from
the conents of the config file.</li>
<li>Import libraries, and set properties.</li>
<li>Execute tasks.</li>
<li>Install and configure runtime services.</li>
</ul>
</li>
<li>Allow the following via config files:
<ul>
<li>Add (or override) the <code>lib</code> and <code>ext</code> directories.</li>
<li>Enable more than one listener, and configure the listeners from
the conents of the config file.</li>
<li>Import libraries, and set properties.</li>
<li>Execute tasks.</li>
<li>Install and configure runtime services.</li>
</ul>
</li>

</ul>
</ul>
</blockquote>
</td></tr>
</table>
@@ -256,23 +254,23 @@ configuration files.</li>
<tr><td>
<blockquote>
<p>Everyone loves writing documentation, and so a goal for Ant 2 is to
generate a lot of reference documentation for tasks and other types directly
from the source. Unfortunately, there's still plenty of tutorial material
to write. In particular we need these:</p>
generate a lot of reference documentation for tasks and other types directly
from the source. Unfortunately, there's still plenty of tutorial material
to write. In particular we need these:</p>
<ul>
<li>User documentation - describing things like the build file format,
how properties work, how to use references, how sub-builds work, how to customise
Myrmidon, and so on.</li>
<li>User documentation - describing things like the build file format,
how properties work, how to use references, how sub-builds work, how to customise
Myrmidon, and so on.</li>

<li>Task writer documentation - describing things like an overview the task API,
how configuration works, task lifecycle, how to assemble an antlib, a catalog
of the runtime services, and so on.</li>
<li>Task writer documentation - describing things like an overview the task API,
how configuration works, task lifecycle, how to assemble an antlib, a catalog
of the runtime services, and so on.</li>

<li>Myrmidon developer documentation - a broad outline of the architecture,
how to build, how to test, and so on. Also, this todo list needs plenty
of filling out.</li>
<li>Myrmidon developer documentation - a broad outline of the architecture,
how to build, how to test, and so on. Also, this todo list needs plenty
of filling out.</li>

</ul>
</ul>
</blockquote>
</td></tr>
</table>
@@ -286,32 +284,32 @@ of filling out.</li>
<blockquote>
<p>A completely unordered list of items, big and small:</p>
<ul>
<li>Search through the code for 'TODO' items and fix them.</li>
<li>Add a custom task to the build to generate antlib descriptors from source.
It would wrap XDoclet, and replace <code>antlib.xml</code>.</li>
<li>Tidy-up CLIMain so that it calls System.exit() with a non-zero exit code,
if the build fails.</li>
<li>Tidy-up the 'build failed' message, so that the stack trace is only
printed out if the log level is verbose/debug.</li>
<li>Allow service factories to be configured from the contents of the
<code>ant-services.xml</code> descriptor.</li>
<li>Route external process stdout and stderr through the logger.</li>
<li>Add verbosity level to ProjectListener LogEvent</li>
<li>Fire ProjectListener events taskFinished(), targetFinished() and
projectFinished() events on build failure, adding indicator methods to
ProjectEvent.</li>
<li>Fire ProjectListener events projectStarted() and projectFinished()
events on start and finish of referenced projects, adding indicator methods
to ProjectEvent.</li>
<li>Convert PropertyUtil to a non-static PropertyResolver service.</li>
<li>Validate project and target names in DefaultProjectBuilder - reject dodgy
names like "," or "", or " ". Probably want to exclude names that start or
end with white-space (though internal whitespace is probably fine).</li>
<li>Detect duplicate type names.</li>
<li>Add fully qualified type names, based on antlib name and type shorthand name.
Allow these to be used in build files in addition to the shorthand names.</li>
<li>Unit tests.</li>
</ul>
<li>Search through the code for 'TODO' items and fix them.</li>
<li>Add a custom task to the build to generate antlib descriptors from source.
It would wrap XDoclet, and replace <code>antlib.xml</code>.</li>
<li>Tidy-up CLIMain so that it calls System.exit() with a non-zero exit code,
if the build fails.</li>
<li>Tidy-up the 'build failed' message, so that the stack trace is only
printed out if the log level is verbose/debug.</li>
<li>Allow service factories to be configured from the contents of the
<code>ant-services.xml</code> descriptor.</li>
<li>Route external process stdout and stderr through the logger.</li>
<li>Add verbosity level to ProjectListener LogEvent</li>
<li>Fire ProjectListener events taskFinished(), targetFinished() and
projectFinished() events on build failure, adding indicator methods to
ProjectEvent.</li>
<li>Fire ProjectListener events projectStarted() and projectFinished()
events on start and finish of referenced projects, adding indicator methods
to ProjectEvent.</li>
<li>Convert PropertyUtil to a non-static PropertyResolver service.</li>
<li>Validate project and target names in DefaultProjectBuilder - reject dodgy
names like "," or "", or " ". Probably want to exclude names that start or
end with white-space (though internal whitespace is probably fine).</li>
<li>Detect duplicate type names.</li>
<li>Add fully qualified type names, based on antlib name and type shorthand name.
Allow these to be used in build files in addition to the shorthand names.</li>
<li>Unit tests.</li>
</ul>
</blockquote>
</td></tr>
</table>


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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<!-- Content Stylesheet for Site -->

<!-- start the processing -->
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"/>
<meta name="author" value="Adam Murdoch">
<meta name="email" value="adammurdoch@apache.org">
<title>Apache Myrmidon - VFS User Guide</title>
</head>
<body bgcolor="#ffffff" text="#000000" link="#525D76">
<table border="0" width="100%" cellspacing="0">
<!-- TOP IMAGE -->
<tr>
<td> <td colspan="2">
<a href="http://jakarta.apache.org"><img src="http://jakarta.apache.org/images/jakarta-logo.gif" align="left" border="0"/></a>
</td>
</td>
<td valign="bottom"><div align="right"><b><font size="+3" color="#525D76">Apache Myrmidon</font></b></div></td>
</tr>
</table>
<table border="0" width="100%" cellspacing="4">
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr>
<!-- LEFT SIDE NAVIGATION -->
<td valign="top" nowrap="true">
<p><strong>Myrmidon</strong></p>
<ul>
<li> <a href="./index.html">Introduction</a>
</li>
<li> <a href="./getinvolved.html">Get Involved</a>
</li>
<li> <a href="./user.html">Building Myrmidon</a>
</li>
<li> <a href="./todo.html">Todo List</a>
</li>
</ul>
<p><strong>User Guide</strong></p>
<ul>
<li> <a href="./buildfile.html">Build file</a>
</li>
<li> <a href="./vfs.html">Virtual File System</a>
</li>
</ul>
<p><strong>Extending Ant</strong></p>
<ul>
<li> <a href="./task.html">Task Writers HOWTO</a>
</li>
<li> <a href="./classloader.html">ClassLoader HOWTO</a>
</li>
<li> <a href="./librarys.html">Library HOWTO</a>
</li>
</ul>
<p><strong>Container Design</strong></p>
<ul>
</ul>
</td>
<td align="left" valign="top">
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#525D76">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Handling Files"><strong>Handling Files</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>Myrmidon includes a Virtual File System (VFS), which allows files from
different sources to be treated identically. The VFS currently supports
the following file types:</p>
<table>
<tr>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
File System
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Description
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
URL Format
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Local Files
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Files on the local file system.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Three different formats are currently supported for local file names:
<ul>
<li><code>file://</code> <i>absolute-file-name</i></li>
<li>Absolute file names</li>
<li>Relative file names. These are resolved relative to the
project's base directory.
</li>
</ul>
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Zip Files
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The contents of Zip files (and Jar, War, and Ear files).
Currently, the VFS supports read-only access to Zip file contents,
and only for local Zip files.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
<code>zip://</code> <i>zip-file-path</i> [<code>!</code><i>absolute-path</i>]
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
FTP
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Files on an FTP server.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
<code>ftp://</code> [[<i>password</i><code>:</code>] <i>username</i><code>@</code>] <i>hostname</i> [<code>:</code><i>port</i>] [<i>absolute-path</i>]
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
SMB
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Files on a CFIS server, such as Samba or Windows shares.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
<code>smb://</code> [[<i>password</i><code>:</code>] <i>username</i><code>@</code>] <i>hostname</i> [<code>:</code><i>port</i>] [<i>absolute-path</i>]
</font>
</td>
</tr>
</table>
<p>Here are some example URLs:</p>
<ul>
<li><code>build/classes</code></li>
<li><code>c:\program files\ant\bin</code></li>
<li><code>file://C:/program files/ant</code></li>
<li><code>zip://build/lib/ant.jar!/org/apache/tools</code></li>
<li><code>ftp://adam@somehost/pub/downloads</code></li>
<li><code>smb://password:adam@somehost/home/adam</code></li>
</ul>
<p>Currently, there are only a handful of VFS aware tasks. This will grow
as more tasks are ported to the new API, and data types.</p>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="File Sets"><strong>File Sets</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>A file set in Myrmidon is more general than Ant 1's concept of a file set.
Firstly, there is more than one type of file set. Secondly, they are VFS enabled.
File sets are automatically converted to a <a href="#Paths">path</a>, and so
can be used anywhere that a path can.</p>
<h3><code>&lt;v-fileset&gt;</code></h3>
<p>This is the equivalent of Ant 1's <code>&lt;fileset&gt;</code> (The name
is temporary, it will be changed to <code>&lt;fileset&gt;</code> once more
porting work as been completed).</p>
<p>Rather than use a set of include and exclude patterns to choose the files
that make up the file set, <code>&lt;v-fileset&gt;</code> takes zero or more
<a href="#File Selectors">file selectors</a>. File selectors can be used to
select files based on any attribute of the file, rather than just the name.
You can use <code>&lt;name&gt;</code> selectors to achieve the same result
as using includes or excludes.</p>
<p>A <code>&lt;v-fileset&gt;</code> element takes the following attributes:</p>
<table>
<tr>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Attribute
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Description
</font>
</td>
<td bgcolor="#039acc" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Default Value
</font>
</td>
</tr>
<tr>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
dir
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
The base directory for the file set. This can be any URL that the
VFS supports.
</font>
</td>
<td bgcolor="#a0ddf0" colspan="" rowspan=""
valign="top" align="left">
<font color="#000000" size="-1" face="arial,helvetica,sanserif">
Required
</font>
</td>
</tr>
</table>
<p>A <code>&lt;v-fileset&gt;</code> element takes any number of nested
<a href="#File Selectors">file selector</a> elements. To be included in the
file set, a file must be selected by all the file selectors. That is, the
file selectors are implicitly AND-ed together. If no file selector is provided,
all the files and directories are included in the set.</p>
<p>An example:</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>

&lt;v-fileset dir=&quot;src&quot;&gt;
&lt;name pattern=&quot;org/apache/tools/ant/**&quot;/&gt;
&lt;is-file/&gt;
&lt;/v-fileset&gt;
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
<h3><code>&lt;flat-fileset&gt;</code></h3>
<p>This file set takes a set of nested file sets and paths, and flattens them
into a single directory. It can be used as a way of converting a path into a
file set. It can also be used as a replacement for the <code>flatten</code>
attribute for the copy and move tasks.</p>
<p>A <code>&lt;flat-fileset&gt;</code> element takes no attributes, and a set
of nested paths or file sets.</p>
<p>An example:</p>
<div align="left">
<table cellspacing="4" cellpadding="0" border="0">
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#ffffff"><pre>

&lt;v-copy todir=&quot;dist/lib&quot;&gt;
&lt;flat-fileset&gt;
&lt;v-fileset dir=&quot;build/lib&quot;&gt;
&lt;basename pattern=&quot;*.jar&quot;/&gt;
&lt;v-fileset&gt;
&lt;v-path path=&quot;${classpath}&quot;/&gt;
&lt;/flat-fileset&gt;
&lt;/v-copy&gt;
</pre></td>
<td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
<tr>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
<td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
</tr>
</table>
</div>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="Paths"><strong>Paths</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>Paths are an ordered list of files.</p>
<h3><code>&lt;v-path&gt;</code></h3>
<p>This is the equivalent of Ant 1's <code>&lt;path&gt;</code>.</p>
<h3><code>&lt;filtered-path&gt;</code></h3>
<p>A path that applies file selectors to a set of nested file sets and paths.</p>
</blockquote>
</td></tr>
</table>
<table border="0" cellspacing="0" cellpadding="2" width="100%">
<tr><td bgcolor="#828DA6">
<font color="#ffffff" face="arial,helvetica,sanserif">
<a name="File Selectors"><strong>File Selectors</strong></a>
</font>
</td></tr>
<tr><td>
<blockquote>
<p>File selectors are used to select files from file sets and paths.</p>
<h3><code>&lt;and&gt;</code></h3>
<p>Combines zero or more file selectors, using AND. An empty <code>&lt;and&gt;</code>
selector accepts all files.</p>
<h3><code>&lt;basename&gt;</code></h3>
<p>Selects files whose base name matches an Ant 1 style pattern, or a regular
expression.</p>
<h3><code>&lt;exists&gt;</code></h3>
<p>Selects files that exist.</p>
<h3><code>&lt;is-empty&gt;</code></h3>
<p>Selects empty folders, that is, folders that have no children.</p>
<h3><code>&lt;is-folder&gt;</code></h3>
<p>Selects folders, does not select regular files.</p>
<h3><code>&lt;is-file&gt;</code></h3>
<p>Selects regular files, does not select folders.</p>
<h3><code>&lt;name&gt;</code></h3>
<p>Selects files whose path in a file set matches an Ant 1 style pattern, or
a regular expression.</p>
<h3><code>&lt;not&gt;</code></h3>
<p>Selects files that are not selected by a nested file selector.</p>
<h3><code>&lt;or&gt;</code></h3>
<p>Combines zero or more file selectors, using OR. An empty <code>&lt;or&gt;</code>
selector accepts all files.</p>
<h3><code>&lt;url&gt;</code></h3>
<p>Selects files whose URL matches an Ant 1 style pattern, or a regular expression.</p>
</blockquote>
</td></tr>
</table>
</blockquote>
</td></tr>
</table>
</td>
</tr>

<!-- FOOTER -->
<tr><td colspan="2">
<hr noshade="" size="1"/>
</td></tr>
<tr><td colspan="2">
<div align="center"><font color="#525D76" size="-1"><em>
Copyright &#169; 2000-2002, Apache Software Foundation
</em></font></div>
</td></tr>
</table>
</body>
</html>
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