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From: Jan.Materne@rzf.fin-nrw.de
To: user@ant.apache.org
Subject: AW: Creating custom InputHandler
Date: Mon, 12 Jul 2004 08:52:10 +0200
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BTW using such a task isnt my idea :-)
Have seen that in the ant proposal section on the JXPath property =
handler.

Jan


> -----Urspr=FCngliche Nachricht-----
> Von: Jan.Materne@rzf.fin-nrw.de [mailto:Jan.Materne@rzf.fin-nrw.de]
> Gesendet am: Montag, 12. Juli 2004 08:51
> An: user@ant.apache.org
> Betreff: AW: Creating custom InputHandler
>=20
> Indeed, seems to be a problem.
>=20
> The initialization procedure for InputHandlers doesnt store a project
> reference (and=20
> couldnt do it, because the IH-Interface doesnt requires a
> setProject(Project) method).
>=20
> So only a workaround comes into my mind:
> - your InputHandler has to provide the setProject method
> - set the reference for yourself before using the handler by=20
> using a Task:
>   (code not tested - even compiled):
>   public class SetProjectReferenceOnInputHandler extends Task {
>       public void execute() {
>           InputHandler ih =3D getProject().getInputHandler();
>           if (ih instanceof MyInputHandler) {
>               ((MyInputHandler)ih).setProject(getProject());
>           }
>       }
>   }
>  =20
>=20
> Maybe we should check if the InputHandler is a=20
> ProjectComponent and set the
> project
> reference then ...=20
>=20
>=20
> Jan
>=20
>=20
>=20
> Input.java:0100:     public void execute () throws BuildException {
> Input.java:0116:
> getProject().getInputHandler().handleInput(request);
>=20
> Project.java:0239:     public Project() {
> Project.java:0240:         fileUtils =3D FileUtils.newFileUtils();
> Project.java:0241:         inputHandler =3D new =
DefaultInputHandler();
> Project.java:0242:     }
>=20
> Main.java:0736:     private void addInputHandler(Project=20
> project) throws
> BuildException {
> Main.java:0737:         InputHandler handler =3D null;
> Main.java:0738:         if (inputHandlerClassname =3D=3D null) {
> Main.java:0739:             handler =3D new DefaultInputHandler();
> Main.java:0740:         } else {
> Main.java:0741:             try {
> Main.java:0742:                 handler =3D (InputHandler)
> Main.java:0743:
> (Class.forName(inputHandlerClassname).newInstance());
> Main.java:0744:                 if (project !=3D null) {
> Main.java:0745:                    =20
> project.setProjectReference(handler);
> Main.java:0746:                 }
> Main.java:0759:         project.setInputHandler(handler);
> Main.java:0760:     }
>=20
>=20
>=20
>=20
>=20
> > -----Urspr=FCngliche Nachricht-----
> > Von: Ivan Ivanov [mailto:rambiusparkisanius@yahoo.com]
> > Gesendet am: Montag, 12. Juli 2004 08:34
> > An: user@ant.apache.org
> > Betreff: Creating custom InputHandler
> >=20
> > Dear Colleagues,
> >=20
> > Some time ago I was playing with <input> task and I
> > noticed that if you input a string, that contains a
> > property in it, the property is not expanded to its
> > value. Jan Mat=E8rne adviced me in this list that I
> > should implement an InputHandler to do this.
> >=20
> > I created one that is reading the input correctly, but
> > I ran into the problem how should I expand the
> > properties in the  string that is inputted. When
> > writing a custom task it is easy with
> > getProject.replaceProperties(String). However I do not
> > see a way to get the current Project in an
> > InputHandler.
> >=20
> > Any ideas how I can resolve the input?
> >=20
> > Thanks in advance
> > Ivan
> >=20
> >=20
> > 	=09
> > __________________________________
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> > New and Improved Yahoo! Mail - Send 10MB messages!
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> >=20
> >=20
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> >=20
>=20

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