/*
* RHQ Management Platform
* Copyright (C) 2010 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.bundle.ant;
import java.io.PrintWriter;
import java.util.Date;
import org.apache.tools.ant.BuildEvent;
import org.apache.tools.ant.BuildListener;
import org.apache.tools.ant.Target;
import org.apache.tools.ant.Task;
/**
* Listens for Ant build events and logs them to a print writer.
*
* @author John Mazzitelli
*/
public class LoggerAntBuildListener implements BuildListener {
private final String mainTarget;
private final PrintWriter output;
private final int priorityThreshold;
public LoggerAntBuildListener(String target, PrintWriter printWriter, int priorityThreshold) {
this.mainTarget = (target != null) ? target : "(default)";
this.output = printWriter;
this.priorityThreshold = priorityThreshold;
// start with the date this was started
this.output.println("======================================");
this.output.println("Ant target [" + this.mainTarget + "]");
this.output.println(new Date());
this.output.println("======================================");
}
public void buildFinished(BuildEvent event) {
logEvent(event, "FINISHED! [" + this.mainTarget + ']');
}
public void buildStarted(BuildEvent event) {
logEvent(event, "STARTED! [" + this.mainTarget + ']');
}
public void messageLogged(BuildEvent event) {
if (event.getPriority() <= this.priorityThreshold) {
logEvent(event, null);
}
}
public void targetFinished(BuildEvent event) {
logEvent(event, null);
}
public void targetStarted(BuildEvent event) {
logEvent(event, null);
}
public void taskFinished(BuildEvent event) {
logEvent(event, null);
}
public void taskStarted(BuildEvent event) {
logEvent(event, null);
}
private void logEvent(BuildEvent event, String additionalMessage) {
String message = event.getMessage();
Throwable exception = event.getException();
Target target = event.getTarget();
Task task = event.getTask();
if (additionalMessage != null) {
this.output.println(additionalMessage);
}
if (target != null) {
String targetName = (target.getName() != null) ? target.getName() : "";
this.output.print("[" + targetName + "] ");
}
if (task != null) {
this.output.print("<" + task.getTaskName() + "> ");
}
if (message != null) {
this.output.print(message);
}
if (exception != null) {
this.output.println();
exception.printStackTrace(output);
}
this.output.println();
this.output.flush();
return;
}
}