/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.tools.ant.taskdefs.optional.sound;
// ant includes
import java.io.File;
import java.io.IOException;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.Line;
import javax.sound.sampled.LineEvent;
import javax.sound.sampled.LineListener;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.UnsupportedAudioFileException;
import org.apache.tools.ant.BuildEvent;
import org.apache.tools.ant.BuildListener;
import org.apache.tools.ant.Project;
/**
* This class is designed to be used by any AntTask that requires audio output.
*
* It implements the BuildListener interface to listen for BuildEvents and could
* be easily extended to provide audio output upon any specific build events occuring.
*
* I have only tested this with .WAV and .AIFF sound file formats. Both seem to work fine.
*
*/
public class AntSoundPlayer implements LineListener, BuildListener {
private File fileSuccess = null;
private int loopsSuccess = 0;
private Long durationSuccess = null;
private File fileFail = null;
private int loopsFail = 0;
private Long durationFail = null;
/** Constructor for AntSoundPlayer. */
public AntSoundPlayer() {
}
/**
* @param file the location of the audio file to be played when the
* build is successful
* @param loops the number of times the file should be played when
* the build is successful
* @param duration the number of milliseconds the file should be
* played when the build is successful
*/
public void addBuildSuccessfulSound(File file, int loops, Long duration) {
this.fileSuccess = file;
this.loopsSuccess = loops;
this.durationSuccess = duration;
}
/**
* @param fileFail the location of the audio file to be played
* when the build fails
* @param loopsFail the number of times the file should be played
* when the build is fails
* @param durationFail the number of milliseconds the file should be
* played when the build fails
*/
public void addBuildFailedSound(File fileFail, int loopsFail, Long durationFail) {
this.fileFail = fileFail;
this.loopsFail = loopsFail;
this.durationFail = durationFail;
}
/**
* Plays the file for duration milliseconds or loops.
*/
private void play(Project project, File file, int loops, Long duration) {
Clip audioClip = null;
AudioInputStream audioInputStream = null;
try {
audioInputStream = AudioSystem.getAudioInputStream(file);
} catch (UnsupportedAudioFileException uafe) {
project.log("Audio format is not yet supported: "
+ uafe.getMessage());
} catch (IOException ioe) {
ioe.printStackTrace();
}
if (audioInputStream != null) {
AudioFormat format = audioInputStream.getFormat();
DataLine.Info info = new DataLine.Info(Clip.class, format,
AudioSystem.NOT_SPECIFIED);
try {
audioClip = (Clip) AudioSystem.getLine(info);
audioClip.addLineListener(this);
audioClip.open(audioInputStream);
} catch (LineUnavailableException e) {
project.log("The sound device is currently unavailable");
return;
} catch (IOException e) {
e.printStackTrace();
}
if (duration != null) {
playClip(audioClip, duration.longValue());
} else {
playClip(audioClip, loops);
}
audioClip.drain();
audioClip.close();
} else {
project.log("Can't get data from file " + file.getName());
}
}
private void playClip(Clip clip, int loops) {
clip.loop(loops);
while (clip.isRunning()) {
// Empty block
}
}
private void playClip(Clip clip, long duration) {
clip.loop(Clip.LOOP_CONTINUOUSLY);
try {
Thread.sleep(duration);
} catch (InterruptedException e) {
// Ignore Exception
}
}
/**
* This is implemented to listen for any line events and closes the
* clip if required.
* @param event the line event to follow
*/
public void update(LineEvent event) {
if (event.getType().equals(LineEvent.Type.STOP)) {
Line line = event.getLine();
line.close();
} else if (event.getType().equals(LineEvent.Type.CLOSE)) {
/*
* There is a bug in JavaSound 0.90 (jdk1.3beta).
* It prevents correct termination of the VM.
* So we have to exit ourselves.
*/
//System.exit(0);
}
}
/**
* Fired before any targets are started.
* @param event ignored
*/
public void buildStarted(BuildEvent event) {
}
/**
* Fired after the last target has finished. This event
* will still be thrown if an error occurred during the build.
* @param event the build finished event.
* @see BuildEvent#getException()
*/
public void buildFinished(BuildEvent event) {
if (event.getException() == null && fileSuccess != null) {
// build successfull!
play(event.getProject(), fileSuccess, loopsSuccess, durationSuccess);
} else if (event.getException() != null && fileFail != null) {
play(event.getProject(), fileFail, loopsFail, durationFail);
}
}
/**
* Fired when a target is started.
* @param event ignored.
* @see BuildEvent#getTarget()
*/
public void targetStarted(BuildEvent event) {
}
/**
* Fired when a target has finished. This event will
* still be thrown if an error occurred during the build.
* @param event ignored.
* @see BuildEvent#getException()
*/
public void targetFinished(BuildEvent event) {
}
/**
* Fired when a task is started.
* @param event ignored.
* @see BuildEvent#getTask()
*/
public void taskStarted(BuildEvent event) {
}
/**
* Fired when a task has finished. This event will still
* be throw if an error occurred during the build.
* @param event ignored.
* @see BuildEvent#getException()
*/
public void taskFinished(BuildEvent event) {
}
/**
* Fired whenever a message is logged.
* @param event the build event
* @see BuildEvent#getMessage()
* @see BuildEvent#getPriority()
*/
public void messageLogged(BuildEvent event) {
}
}
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