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/*******************************************************************************
* Copyright (c) 2008 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.examples.core.midi.launcher;
import javax.sound.midi.MidiFileFormat;
import javax.sound.midi.Sequencer;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.Launch;
import org.eclipse.debug.core.model.ISuspendResume;
/**
* A launch containing a MIDI sequencer.
*
* @since 1.0
*/
public class MidiLaunch extends Launch implements ISuspendResume {
/**
* MIDI Sequencer
*/
private Sequencer fSequencer;
/**
* MIDI file format
*/
private MidiFileFormat fFormat;
/**
* Constructs a new MIDI launch.
*
* @param launchConfiguration configuration to play
* @param mode mode to play in
*/
public MidiLaunch(ILaunchConfiguration launchConfiguration, String mode) {
super(launchConfiguration, mode, null);
}
/**
* Sets the sequencer used to play MIDI files.
*
* @param sequencer
*/
public void setSequencer(Sequencer sequencer) {
fSequencer = sequencer;
fireChanged();
}
/**
* Sets the format of the sequence
* @param format
*/
public void setFormat(MidiFileFormat format) {
fFormat = format;
}
/**
* Returns the file format of the sequence.
*
* @return file format
*/
public MidiFileFormat getFormat() {
return fFormat;
}
/**
* Returns the sequencer used to play MIDI files.
*
* @return the sequencer used to play MIDI files
*/
public Sequencer getSequencer() {
return fSequencer;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.Launch#canTerminate()
*/
@Override
public boolean canTerminate() {
return getSequencer().isOpen();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.Launch#isTerminated()
*/
@Override
public boolean isTerminated() {
if (fSequencer != null) {
return !fSequencer.isOpen();
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.Launch#terminate()
*/
@Override
public void terminate() throws DebugException {
getSequencer().stop();
getSequencer().close();
fireTerminate();
DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[]{new DebugEvent(getSequencer(), DebugEvent.TERMINATE)});
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#canResume()
*/
@Override
public boolean canResume() {
return isSuspended();
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#canSuspend()
*/
@Override
public boolean canSuspend() {
if (fSequencer != null) {
return fSequencer.isRunning();
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#isSuspended()
*/
@Override
public boolean isSuspended() {
if (fSequencer != null) {
return fSequencer.isOpen() & !fSequencer.isRunning();
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#resume()
*/
@Override
public void resume() throws DebugException {
getSequencer().start();
fireChanged();
fireEvent(new DebugEvent(getSequencer(), DebugEvent.RESUME, DebugEvent.CLIENT_REQUEST));
}
/* (non-Javadoc)
* @see org.eclipse.debug.core.model.ISuspendResume#suspend()
*/
@Override
public void suspend() throws DebugException {
getSequencer().stop();
fireChanged();
fireEvent(new DebugEvent(getSequencer(), DebugEvent.SUSPEND, DebugEvent.CLIENT_REQUEST));
}
/**
* Fires a debug event.
*
* @param event debug event to fire
*/
protected void fireEvent(DebugEvent event) {
DebugPlugin.getDefault().fireDebugEventSet(new DebugEvent[] {event});
}
}
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