ClipAction.java

package alias.action.clip;

import java.io.File;

import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.xml.bind.annotation.XmlTransient;

import message.Message;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import alias.Alias;
import alias.action.AliasActionType;
import alias.action.RecurringAction;

public class ClipAction extends RecurringAction
{
	private final static Logger mLog = LoggerFactory.getLogger( ClipAction.class );

	private String mFilePath;

	@XmlTransient
	private Clip mClip;
	
	public ClipAction()
	{
	}
	
	@Override
	public AliasActionType getType()
	{
		return AliasActionType.CLIP;
	}

	public String getPath()
	{
		return mFilePath;
	}
	
	public void setPath( String path )
	{
		mFilePath = path;
	}
	
	@Override
	public void performAction( Alias alias, Message message )
	{
		try
		{
			play();
		}
		catch( Exception e )
		{
			mLog.error( "Couldn't play audio clip", e );
		}
	}
	
	public void play() throws Exception
	{
		try
		{
			if( mFilePath != null )
			{
				if( mClip == null )
				{
					mClip = AudioSystem.getClip();
					
					AudioInputStream ais = 
							AudioSystem.getAudioInputStream( new File( mFilePath ) );
					
					mClip.open( ais );
				}

				if( mClip.isRunning() )
				{
					mClip.stop();
				}
				
				mClip.setFramePosition( 0 );
				
				mClip.start();
			}
		}
		catch( Exception e )
		{
			mClip = null;

			mLog.error( "Error playing sound clip [" + mFilePath + "] - " + e.getMessage() );
			
			throw e;
		}
	}
	

	@Override
	public String toString()
	{
		if( mFilePath == null )
		{
			return "Play Clip";
		}
		else
		{
			return "Play Clip: " + mFilePath;
		}
	}
}