presetdef/macrodef

[Matt Benson <gu...@yahoo.com>]

It may be nice to point out somewhere in these tasks'
propaganda that the "tasks" they define can be largely
interchangeable in invocation.  For example, target
"filter" below will filter a specified file and send
the contents either to the console or to a file
depending on whether the property destfile is set:

<target name="-tocon" unless="destfile">
  <macrodef name="myecho">
    <attribute name="message" />
    <sequential>
      <echo taskname="myecho"
            message="Console message:" />
      <echo taskname="myecho" message="${message}" />
    </sequential>
  </macrodef>
</target>

<target name="-tofile" if="destfile">
  <presetdef name="myecho">
    <echo file="${destfile}" />
  </presetdef>
</target>

<target name="filter" depends="-tocon,-tofile">

  <loadfile srcFile="${srcfile}" property="message">
    <filterchain refid="myfilter" />
  </loadfile>
  
  <myecho message="${message}" />
</target>


I found this to be an interesting aspect of <macrodef>
and <presetdef> and just thought I would share.

-Matt

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Re: presetdef/macrodef

[Matt Benson <gu...@yahoo.com>]

Done.

-Matt

--- Stefan Bodewig <bo...@apache.org> wrote:
> On Wed, 5 Nov 2003, Matt Benson
> <gu...@yahoo.com> wrote:
> 
> > It may be nice to point out somewhere in these
> tasks'
> > propaganda that the "tasks" they define can be
> largely
> > interchangeable in invocation.
> 
> Very nice example.  Can you put it on either tasks
> Wiki?
> 
> Stefan
> 
>
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Re: presetdef/macrodef

[Stefan Bodewig <bo...@apache.org>]

On Wed, 5 Nov 2003, Matt Benson <gu...@yahoo.com> wrote:

> It may be nice to point out somewhere in these tasks'
> propaganda that the "tasks" they define can be largely
> interchangeable in invocation.

Very nice example.  Can you put it on either tasks Wiki?

Stefan

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