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From adammurd...@apache.org
Subject cvs commit: jakarta-ant/proposal/myrmidon/docs differences.html ant1compat.html buildfile.html classloader.html getinvolved.html index.html librarys.html task.html todo.html user.html vfs.html
Date Tue, 26 Mar 2002 02:40:32 GMT
adammurdoch    02/03/25 18:40:32

  Modified:    proposal/myrmidon/src/xdocs index.xml todo.xml
               proposal/myrmidon/docs ant1compat.html buildfile.html
                        classloader.html getinvolved.html index.html
                        librarys.html task.html todo.html user.html
                        vfs.html
  Added:       proposal/myrmidon/docs differences.html
  Log:
  * Updated todo list.
  * Removed the 'differences to ant1' blurbage from index.xml.
  * Regenerated HTML.
  
  Revision  Changes    Path
  1.5       +0 -69     jakarta-ant/proposal/myrmidon/src/xdocs/index.xml
  
  Index: index.xml
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/src/xdocs/index.xml,v
  retrieving revision 1.4
  retrieving revision 1.5
  diff -u -r1.4 -r1.5
  --- index.xml	25 Mar 2002 10:50:49 -0000	1.4
  +++ index.xml	26 Mar 2002 02:40:31 -0000	1.5
  @@ -37,75 +37,6 @@
   
           </section>
   
  -        <section name="Differences to Ant 1.x">
  -
  -            <p>Some of the differences between Ant 1.x and Myrmidon:</p>
  -
  -            <ul>
  -
  -                <li>
  -                Groups of tasks can be assembled into self-describing
  -                    <i>antlib</i> task
  -                libraries.  This makes it very easy to distribute and install tasks and
data-types.
  -
  -                </li>
  -
  -                <li>
  -                A project can import other projects, and reference their targets.
  -                </li>
  -
  -                <li>
  -                Changes to the property model:
  -
  -                    <ul>
  -                        <li>Properties and data type references now share the same
namespace.</li>
  -                        <li>Properties are mutable.</li>
  -                        <li>Properties are scoped into global, local, and parent
contexts.</li>
  -                        <li>
  -                            <code>if</code> and
  -                            <code>unless</code> checks now test the property
  -                        value against
  -                            <code>false</code>, in addition to testing set/not-set.
  -                        </li>
  -                    </ul>
  -                </li>
  -
  -                <li>
  -                Changes to task and data-type API:
  -
  -                    <ul>
  -                        <li>An interface based API, through which a task interacts
with the
  -                        task engine, and the services it provides.</li>
  -                        <li>A well-defined object lifecycle.</li>
  -                        <li>Polymorphic types are supported when objects are configured.</li>
  -                        <li>Reference handling is handled automatically when objects
are configured.</li>
  -                        <li>Aspects can be used to decorate tasks, to add facilities
like logging,
  -                        error handling, or user preferences.</li>
  -                    </ul>
  -                </li>
  -
  -                <li>
  -                A set of well-defined services and APIs have been introduced, to allow
  -                tasks to do their work without depending on other tasks:
  -
  -                    <ul>
  -                        <li>Execute external commands.</li>
  -                        <li>Execute other tasks.</li>
  -                        <li>Manage ClassLoaders and Class-paths.</li>
  -                        <li>Virtual file system (in progress).</li>
  -                        <li>Execute Java applications (in progress).</li>
  -                        <li>...</li>
  -                    </ul>
  -                </li>
  -
  -            </ul>
  -
  -            <p>There are plenty more features planned.  You can read about them
  -                <a href="todo.html">here</a>.
  -            </p>
  -
  -        </section>
  -
       </body>
   
   </document>
  
  
  
  1.15      +5 -2      jakarta-ant/proposal/myrmidon/src/xdocs/todo.xml
  
  Index: todo.xml
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/src/xdocs/todo.xml,v
  retrieving revision 1.14
  retrieving revision 1.15
  diff -u -r1.14 -r1.15
  --- todo.xml	24 Mar 2002 07:53:54 -0000	1.14
  +++ todo.xml	26 Mar 2002 02:40:31 -0000	1.15
  @@ -314,7 +314,6 @@
   
                           <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
  @@ -350,7 +349,11 @@
                       <li>Move
                           <code>crimson.jar</code> to
                           <code>bin/lib</code> in the distribution,
  -                    and make to other jars via the extension mechanism.
  +                    and make available to other jars via the extension mechanism.
  +                    </li>
  +                    <li>Change <code>DefaultPropertyResolver</code> to
ignore '$${'.</li>
  +                    <li>Add a <code>--type</code> command-line option,
to allow
  +                        the project builder to be manually selected.
                       </li>
                       <li>Unit tests.</li>
                   </ul>
  
  
  
  1.2       +2 -0      jakarta-ant/proposal/myrmidon/docs/ant1compat.html
  
  Index: ant1compat.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/ant1compat.html,v
  retrieving revision 1.1
  retrieving revision 1.2
  diff -u -r1.1 -r1.2
  --- ant1compat.html	22 Mar 2002 04:26:34 -0000	1.1
  +++ ant1compat.html	26 Mar 2002 02:40:31 -0000	1.2
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  
  
  
  1.6       +2 -0      jakarta-ant/proposal/myrmidon/docs/buildfile.html
  
  Index: buildfile.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/buildfile.html,v
  retrieving revision 1.5
  retrieving revision 1.6
  diff -u -r1.5 -r1.6
  --- buildfile.html	22 Mar 2002 04:26:34 -0000	1.5
  +++ buildfile.html	26 Mar 2002 02:40:31 -0000	1.6
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  
  
  
  1.3       +2 -0      jakarta-ant/proposal/myrmidon/docs/classloader.html
  
  Index: classloader.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/classloader.html,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- classloader.html	22 Mar 2002 04:26:34 -0000	1.2
  +++ classloader.html	26 Mar 2002 02:40:31 -0000	1.3
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  
  
  
  1.3       +2 -0      jakarta-ant/proposal/myrmidon/docs/getinvolved.html
  
  Index: getinvolved.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/getinvolved.html,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- getinvolved.html	22 Mar 2002 04:26:34 -0000	1.2
  +++ getinvolved.html	26 Mar 2002 02:40:32 -0000	1.3
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  
  
  
  1.6       +20 -76    jakarta-ant/proposal/myrmidon/docs/index.html
  
  Index: index.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/index.html,v
  retrieving revision 1.5
  retrieving revision 1.6
  diff -u -r1.5 -r1.6
  --- index.html	22 Mar 2002 04:26:34 -0000	1.5
  +++ index.html	26 Mar 2002 02:40:32 -0000	1.6
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  @@ -76,85 +78,27 @@
       <tr><td>
         <blockquote>
                           <p>
  -Myrmidon is one of the Ant 2 proposals currently in development.  You can
  -read more about the goals of Ant 2
  -<a href="http://jakarta.apache.org/ant/ant2/">here</a>.
  -</p>
  -                                <p>
  -Myrmidon is a general-purpose <i>task engine</i>.  It contains the basic
  -building blocks for assembling any sort of task-based tool.  Ant 2
  -is an example of such a tool, which could be assembled using the Myrmidon task
  -engine, and a library of build related tasks.
  -</p>
  -                                <p>
  -Currently, Myrmidon is a prototype of what a task engine might look.  It
  -includes a small set of tasks and data types.  We are currently porting
  -many of the Ant 1.x tasks to the Myrmidon task engine.
  -</p>
  -                                <p>
  -</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="Differences to Ant 1.x"><strong>Differences to Ant 1.x</strong></a>
  -      </font>
  -    </td></tr>
  -    <tr><td>
  -      <blockquote>
  -                        <p>Some of the differences between Ant 1.x and Myrmidon:</p>
  -                                <ul>
  -
  -<li>
  -Groups of tasks can be assembled into self-describing <i>antlib</i> task
  -libraries.  This makes it very easy to distribute and install tasks and data-types.
  -</li>
  -
  -<li>
  -A project can import other projects, and reference their targets.
  -</li>
  +            Myrmidon is one of the Ant 2 proposals currently in development.  You can
  +            read more about the goals of Ant 2
   
  -<li>
  -Changes to the property model:
  -<ul>
  -    <li>Properties and data type references now share the same namespace.</li>
  -    <li>Properties are mutable.</li>
  -    <li>Properties are scoped into global, local, and parent contexts.</li>
  -    <li><code>if</code> and <code>unless</code> checks now
test the property
  -    value against <code>false</code>, in addition to testing set/not-set.</li>
  -</ul>
  -</li>
  +                <a href="http://jakarta.apache.org/ant/ant2/">here</a>.
   
  -<li>
  -Changes to task and data-type API:
  -<ul>
  -    <li>An interface based API, through which a task interacts with the
  -    task engine, and the services it provides.</li>
  -    <li>A well-defined object lifecycle.</li>
  -    <li>Polymorphic types are supported when objects are configured.</li>
  -    <li>Reference handling is handled automatically when objects are configured.</li>
  -    <li>Aspects can be used to decorate tasks, to add facilities like logging,
  -    error handling, or user preferences.</li>
  -</ul>
  -</li>
  -
  -<li>
  -A set of well-defined services and APIs have been introduced, to allow
  -tasks to do their work without depending on other tasks:
  -<ul>
  -    <li>Execute external commands.</li>
  -    <li>Execute other tasks.</li>
  -    <li>Manage ClassLoaders and Class-paths.</li>
  -    <li>Virtual file system (in progress).</li>
  -    <li>Execute Java applications (in progress).</li>
  -    <li>...</li>
  -</ul>
  -</li>
  +            </p>
  +                                <p>
  +            Myrmidon is a general-purpose
  +                <i>task engine</i>.  It contains the basic
  +            building blocks for assembling any sort of task-based tool.  Ant 2
  +            is an example of such a tool, which could be assembled using the Myrmidon task
  +            engine, and a library of build related tasks.
   
  -</ul>
  -                                <p>There are plenty more features planned.  You can
read about them <a href="todo.html">here</a>.</p>
  +            </p>
  +                                <p>
  +            Currently, Myrmidon is a prototype of what a task engine might look.  It
  +            includes a small set of tasks and data types.  We are currently porting
  +            many of the Ant 1.x tasks to the Myrmidon task engine.
  +            </p>
  +                                <p>
  +            </p>
                       </blockquote>
       </td></tr>
     </table>
  
  
  
  1.3       +2 -0      jakarta-ant/proposal/myrmidon/docs/librarys.html
  
  Index: librarys.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/librarys.html,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- librarys.html	22 Mar 2002 04:26:34 -0000	1.2
  +++ librarys.html	26 Mar 2002 02:40:32 -0000	1.3
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  
  
  
  1.3       +2 -0      jakarta-ant/proposal/myrmidon/docs/task.html
  
  Index: task.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/task.html,v
  retrieving revision 1.2
  retrieving revision 1.3
  diff -u -r1.2 -r1.3
  --- task.html	22 Mar 2002 04:26:34 -0000	1.2
  +++ task.html	26 Mar 2002 02:40:32 -0000	1.3
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  
  
  
  1.10      +68 -2     jakarta-ant/proposal/myrmidon/docs/todo.html
  
  Index: todo.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/todo.html,v
  retrieving revision 1.9
  retrieving revision 1.10
  diff -u -r1.9 -r1.10
  --- todo.html	22 Mar 2002 04:26:34 -0000	1.9
  +++ todo.html	26 Mar 2002 02:40:32 -0000	1.10
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  @@ -82,6 +84,51 @@
                                     <table border="0" cellspacing="0" cellpadding="2"
width="100%">
       <tr><td bgcolor="#828DA6">
         <font color="#ffffff" face="arial,helvetica,sanserif">
  +        <a name="Security Manager"><strong>Security Manager</strong></a>
  +      </font>
  +    </td></tr>
  +    <tr><td>
  +      <blockquote>
  +                        <p>Add the ability to run java programs that call System.exit()
by adding a
  +                security manager. Should look something 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>
  +public class MyrmidonSecurityManager
  +    extends SecurityManager
  +{
  +    public void checkExit( final int status )
  +    {
  +        throw new ExitException( status );
  +    }
  +
  +    public void checkPermission( final Permission permission )
  +    {
  +    }
  +}
  +                </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="Self Hosting"><strong>Self Hosting</strong></a>
         </font>
       </td></tr>
  @@ -98,6 +145,20 @@
                                     <table border="0" cellspacing="0" cellpadding="2"
width="100%">
       <tr><td bgcolor="#828DA6">
         <font color="#ffffff" face="arial,helvetica,sanserif">
  +        <a name="Validation Pass"><strong>Validation Pass</strong></a>
  +      </font>
  +    </td></tr>
  +    <tr><td>
  +      <blockquote>
  +                        <p>Consider calling validate() on task prior to execute().
This would allow
  +                us to have a "make -k" mode that actually did basic validation and would
also
  +                encourage task writers to do validation properly.</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="Paths"><strong>Paths</strong></a>
         </font>
       </td></tr>
  @@ -154,12 +215,14 @@
                       Write tests for the various bits that rely on Myrmidon
                       functionality:
                       <ul>
  +                        <li>Simple sanity test</li>
                           <li>if/unless on targets: check that behaviour complies with
Ant1</li>
                           <li>Make sure properties are shared between Ant1 and Myrmidon
tasks.</li>
                           <li>Make sure that &lt;ant1.property&gt; behaves
as per Ant1</li>
                       </ul>
                       </li>
                       <li>Get GUMP runs going using Myrmidon.</li>
  +                    <li>i18n messages</li>
                   </ul>
                       </blockquote>
       </td></tr>
  @@ -402,7 +465,6 @@
   
                           <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
  @@ -438,7 +500,11 @@
                       <li>Move
                           <code>crimson.jar</code> to
                           <code>bin/lib</code> in the distribution,
  -                    and make to other jars via the extension mechanism.
  +                    and make available to other jars via the extension mechanism.
  +                    </li>
  +                    <li>Change <code>DefaultPropertyResolver</code> to
ignore '$${'.</li>
  +                    <li>Add a <code>--type</code> command-line option,
to allow
  +                        the project builder to be manually selected.
                       </li>
                       <li>Unit tests.</li>
                   </ul>
  
  
  
  1.6       +2 -0      jakarta-ant/proposal/myrmidon/docs/user.html
  
  Index: user.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/user.html,v
  retrieving revision 1.5
  retrieving revision 1.6
  diff -u -r1.5 -r1.6
  --- user.html	22 Mar 2002 04:26:34 -0000	1.5
  +++ user.html	26 Mar 2002 02:40:32 -0000	1.6
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  
  
  
  1.7       +2 -0      jakarta-ant/proposal/myrmidon/docs/vfs.html
  
  Index: vfs.html
  ===================================================================
  RCS file: /home/cvs/jakarta-ant/proposal/myrmidon/docs/vfs.html,v
  retrieving revision 1.6
  retrieving revision 1.7
  diff -u -r1.6 -r1.7
  --- vfs.html	22 Mar 2002 04:26:34 -0000	1.6
  +++ vfs.html	26 Mar 2002 02:40:32 -0000	1.7
  @@ -52,6 +52,8 @@
     </li>
             <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
     </li>
  +          <li>      <a href="./differences.html">Differences to Ant1</a>
  +  </li>
           </ul>
         <p><strong>Extending Ant</strong></p>
       <ul>
  
  
  
  1.1                  jakarta-ant/proposal/myrmidon/docs/differences.html
  
  Index: differences.html
  ===================================================================
  <!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 - Differences to Ant1</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>
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            <hr noshade="" size="1"/>
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          <tr>
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                  <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>
            <li>      <a href="./ant1compat.html">Ant1 Compatibility Layer</a>
    </li>
            <li>      <a href="./differences.html">Differences to Ant1</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>
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          <table border="0" cellspacing="0" cellpadding="2" width="100%">
      <tr><td bgcolor="#525D76">
        <font color="#ffffff" face="arial,helvetica,sanserif">
          <a name="Differences to Ant 1.x"><strong>Differences to Ant 1.x</strong></a>
        </font>
      </td></tr>
      <tr><td>
        <blockquote>
                          <p>Some of the differences between Ant 1.x and Myrmidon:</p>
                                  <ul>
                  <li>
                  Groups of tasks can be assembled into self-describing
                      <i>antlib</i> task libraries.  This makes it very easy to
                  distribute and install tasks and data-types.
                  </li>
                  <li> A project can import other projects, and reference their targets.
</li>
                  <li>Properties and data type references now share the same namespace.</li>
                  <li>
                  Changes to task and data-type API:
                      <ul>
                          <li>An interface based API, through which a task interacts
with the
                          task engine, and the services it provides.</li>
                          <li>A well-defined object lifecycle.</li>
                          <li>Polymorphic types are supported when objects are configured.</li>
                          <li>Reference handling is handled automatically when objects
are configured.</li>
                          <li>Aspects can be used to decorate tasks, to add facilities
like logging,
                          error handling, or user preferences.</li>
                      </ul>
                  </li>
                  <li>A set of well-defined services and APIs have been introduced,
to allow
                  tasks to do their work without depending on other tasks:
                      <ul>
                          <li>Execute external commands.</li>
                          <li>Execute other tasks.</li>
                          <li>Manage ClassLoaders and Class-paths.</li>
                          <li>Virtual file system (in progress).</li>
                          <li>Execute Java applications (in progress).</li>
                          <li>...</li>
                      </ul>
                  </li>
              </ul>
                                  <p>There are plenty more features planned.  You can
read about them
                  <a href="todo.html">here</a>.
              </p>
                      </blockquote>
      </td></tr>
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            <div align="center"><font color="#525D76" size="-1"><em>
            Copyright &#169; 2000-2002, Apache Software Foundation
            </em></font></div>
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