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From "M. Z." <communitysubscript...@yahoo.com>
Subject Re: AW: How to call imported ant target/task in Java
Date Fri, 05 Aug 2005 06:30:16 GMT
Yes, they look almost the same in this case. But this
is only to see if "import" works. Acctually I have
complex requirement on <import>. 

Please note in my case running "ant -f c.xml" was ok;
and calling a.xml in .java ok too.

Thanks,
Amy

--- Jan.Materne@rzf.fin-nrw.de wrote:

> An <import>ed file is (nearly) the same as coded
> directly inside (at the end of) your main buildfile.
> 
> Jan
> 
> >-----Urspr√ľngliche Nachricht-----
> >Von: M. Z. [mailto:communitysubscription@yahoo.com]
> 
> >Gesendet: Freitag, 5. August 2005 05:28
> >An: user@ant.apache.org
> >Betreff: How to call imported ant target/task in
> Java
> >
> >Hi there,
> > 
> >Can anybody advice me how to call an ant
> target/task, which is 
> >"<import/>"ed from another build file, from within
> Java code?
> > 
> >Here's my Java code (I got the sample from this
> mailing list, thanks):
> >---------------------------------------------
> >import org.apache.tools.ant.*;
> >import java.io.*;
> >import java.util.*;
> > 
> >public class MyTest
> >{
> >    private Project project;
> >    public void init(String _buildFile, String
> _baseDir) 
> >throws Exception
> >    {
> >        project = new Project();
> >        try { project.init(); }
> >        catch (BuildException e)
> >            { throw new Exception("The default task
> list could 
> >not be loaded."
> >); }
> >        // Set the base directory. If none is
> given, "." is used.
> >        if (_baseDir == null) _baseDir=new
> String(".");
> >        try { project.setBasedir(_baseDir); }
> >        catch (BuildException e)
> >            { throw new Exception("The given
> basedir doesn't 
> >exist, or isn't a directory."); }
> >        if (_buildFile == null) _buildFile=new
> String("a.xml");
> >        try {
> ProjectHelper.getProjectHelper().parse(project, 
> >new File(_buildFile)); }
> >        catch (BuildException e)
> >            { throw new Exception("Configuration
> file 
> >"+_buildFile+" is invalid, or cannot be read."); }
> >    }
> >
> >    public void runTarget(String _target) throws
> Exception
> >    {
> >        // Test if the project exists
> >        if (project == null) throw new
> Exception("No target 
> >can be launched because the project has not been
> initialized. 
> >Please call the 'init' method first !");
> >        // If no target is specified, run the
> default one.
> >        if (_target == null) _target =
> project.getDefaultTarget();
> >        // Run the target
> >        try { project.executeTarget(_target);  }
> >        catch (Exception e)
> >        { throw new Exception(e.getMessage()); }
> >    }
> >        public static void main(String args[])
> >      {
> >      try{
> >        
> >        MyTest mytest=new MyTest();         
> >        mytest.init("c.xml",".");         
> >        mytest.runTarget(null);
> >      }catch(Exception e)
> >      {
> >        e.printStackTrace();
> >      }
> >  }
> >}
> >---------------------------------------------
> > 
> >Here's my build files:
> >1.c.xml:
> ><project basedir="." default="runtests"
> name="TestC"> <import 
> >file="a.xml"/> </project>
> > 
> >2. a.xml:
> ><project basedir="." default="runtests"
> name="TestA"> <target 
> >name="runtests" depends=""> <mkdir dir="ttt"/>
> </target> </project>
> > 
> >--------------------------------------
> >If I directly set build file "a.xml" in
> MyTest.java, everthing 
> >works well. However, if I set "c.xml" then do task
> "<mkdir 
> >dir="ttt"/>" defined in "a.xml" which was imported
> by "c.xml", 
> >when running, I got an exception. Looks like it
> can't parse my 
> >c.xml which include "import". BTW, I'm using ant
> 1.6.2, and 
> >running "ant -f c.xml" was ok.
> > 
> >Did I miss any classpath or something? Any idea?
> > 
> >Thanks,
> >Amy
> >
> >
> >		
> >---------------------------------
> > Start your day with Yahoo! - make it your home
> page 
> >
> 
>
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