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From Jan.Mate...@rzf.fin-nrw.de
Subject RE: creating macro instance from a script task?
Date Fri, 14 Nov 2003 07:14:37 GMT
> It looks like the attribute "id" is sent
> to DynamicConfigurator#setDynamicAttribute()
> I suppose this is to allow setId() to work?
> 
> In any case, I will emulate setId()..
> 
> Peter
> PS: this usage of id's and script I have never liked.


Since I know the createTask() method, me too.
That way I used in the beginning of my <script> phase :-)

But the createTask() way didn´t work and so I tried that ...


Jan



> 
> On Thursday 13 November 2003 17:26, Jan.Materne@rzf.fin-nrw.de wrote:
> > Ggr - using id´s dont work:
> >
> > <project default="use">
> >
> >     <macrodef name="my-echo">
> >         <attribute name="message"/>
> >         <sequential>
> >             <tstamp><format property="x" 
> pattern="HH:mm:ss"/></tstamp>
> >             <echo>${x}: ${message}${line.separator}</echo>
> >         </sequential>
> >     </macrodef>
> >
> >     <target name="use">
> >         <script language="javascript"> <![CDATA[
> >             msg1.execute();
> >             msg2.execute();
> >             msg1.setMessage("A new text.");
> >             msg1.execute();
> >         ]]> </script>
> >     </target>
> >
> >     <target name="-thisTargetIsNeverCalled">
> >         <my-echo id="msg1" message="Hello World"/>
> >         <my-echo id="msg2" message="This is a test."/>
> >     </target>
> >
> > </project>
> >
> >
> > When using <echo> in the "-thisTarget..." all works fine. 
> But not with the
> > <macrodef>ed.
> >     build.xml:14: Unknown attribute [id]
> >
> >
> >
> > Sorry
> > Jan
> >
> > > -----Original Message-----
> > > From: Bell, Aaron [mailto:Aaron.Bell@bskyb.com]
> > > Sent: Thursday, November 13, 2003 6:11 PM
> > > To: 'user@ant.apache.org'
> > > Subject: creating macro instance from a script task?
> > >
> > >
> > > Hi there
> > >
> > > I love the new macrodef task in 1.6. However, how can I
> > > invoke one of my
> > > macrodefs from a script task?
> > >
> > > I'm using Javascript. I can create a MacroInstance 
> object... when I
> > > execute() it though I receive a NullPointerException.
> > >
> > > Quick example:
> > >
> > > <project name="test" default="test" basedir=".">
> > >
> > >   <macrodef name="my-macro">
> > >     <attribute name="host"/>
> > >     <sequential>
> > >       <echo>macro called with host '${host}'</echo>
> > >     </sequential>
> > >   </macrodef>
> > >
> > >   <target name="test">
> > >     <script language="javascript"> <![CDATA[
> > >
> > >       newTask = project.createTask("my-macro");
> > >       newTask.setDynamicAttribute("host", "bingo");
> > >       project.log("new task is: " + newTask.toString());
> > >       newTask.execute();
> > >
> > >     ]]> </script>
> > >   </target>
> > > </project>
> > >
> > > This returns:
> > >
> > > new task is: org.apache.tools.ant.taskdefs.MacroInstance@1b9ce4b
> > >
> > > BUILD FAILED
> > > C:\build\test.xml:16: java.lang.NullPointerException
> > >
> > > Does anyone have any ideas?
> > >
> > > Many thanks!
> > > - Aaron
> > >
> > > Aaron Bell
> > > CRM Release Management
> > > int tel. 5448
> > > ext tel. (01506) 485448
> > >
> > >
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