I didn't have to use a custom logger. Instead, my custom EndTask is this:
package com.lgc.btlite;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
public class EndTask extends Task {
protected String _message = null;
public void execute()
{
if((_message != null) && (_message.length() > 0))
log("\n" + _message,Project.MSG_INFO);
getProject().fireBuildFinished(null);
System.exit(0);
}
public void setMessage(String message)
{
_message = message;
}
}
---
Shawn Castrianni
-----Original Message-----
From: Matt Benson [mailto:[email protected]]
Sent: Wednesday, May 18, 2011 10:27 AM
To: Ant Users List
Subject: Re: Custom task to force build success
On Wed, May 18, 2011 at 10:07 AM, Carlton Brown <[email protected]> wrote:
> I'm struggling to write a custom task that is essentially the opposite
> of "fail". I've seen it mentioned on this list before, but never
> found a conclusive answer.
>
> To be successful, a task expressed like this:
> <my:win message="You win!" if="${winning}" unless="${failing}">
> <!-- ideally, a nested condition would be permitted here, if it's
> easy to implement --> </my:win>
>
> The task would halt the build, and I would see the following output:
> You win!
> BUILD SUCCESSFUL
> Total time: 2 seconds
>
> and the exit code would be zero.
>
> The closest I got was to print the exit message and set the exit
> status to zero, but I still get this frustrating "BUILD FAILED"
> message, which is incompatible with the aesthetic of winning.
>
> Help?
>
Hi, Carlton. I think that you're going to need to provide a custom logger. I
would try:
public class FalseFailureSuppressingLogger extends
org.apache.tools.ant.DefaultLogger {
public void buildFinished(BuildEvent event) {
Throwable error = event.getException();
if (error instanceof ExitStatusException &&
((ExitStatusException) error).getStatus() == 0) {
event.setException(null);
}
try {
super.buildFinished(event);
} finally {
event.setException(error);
}
}
}
Then simply use <fail message="You win!" status="0" /> in your buildfile.
HTH,
Matt
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