ChunkDataListTypeLabelImpl.java

/**
 * Copyright (c) 2009-2011 SKRATCHDOT.COM
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Initial modeling finished using information provided by:
 * 	http://www.sonicspot.com/guide/wavefiles.html
 * 
 * Contributors:
 *     JEFF |:at:| SKRATCHDOT |:dot:| COM
 *
 * $Id$
 */
package com.skratchdot.riff.wav.impl;

import java.nio.ByteOrder;

import org.eclipse.emf.ecore.EClass;

import com.skratchdot.riff.wav.ChunkDataListTypeLabel;
import com.skratchdot.riff.wav.ChunkTypeID;
import com.skratchdot.riff.wav.RIFFWave;
import com.skratchdot.riff.wav.WavPackage;
import com.skratchdot.riff.wav.util.ExtendedByteBuffer;
import com.skratchdot.riff.wav.util.RiffWaveException;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Chunk Data List Type Label</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * </p>
 *
 * @generated
 */
public class ChunkDataListTypeLabelImpl extends ChunkDataListTypeImpl implements ChunkDataListTypeLabel {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ChunkDataListTypeLabelImpl() {
		super();
	}

	@Override
	public void init(RIFFWave riffWave, ExtendedByteBuffer buf) throws RiffWaveException {
		// Check Chunk Type ID
		if(ChunkTypeID.get((int)buf.getUnsignedInt())!=this.getChunkTypeID())
			throw new RiffWaveException("Invalid Chunk ID for "+this.getChunkTypeID().getLiteral());

		// Read in data size
		int chunkSize = (int) buf.getUnsignedInt();

		this.setCuePointID(buf.getUnsignedInt());

		int textSize = chunkSize-4;
		if(textSize>0) {
			byte[] newText = new byte[textSize];
			buf.getBytes(newText);
			this.setText(newText);
		}
	}

	/* (non-Javadoc)
	 * @see com.skratchdot.riff.wav.impl.ChunkImpl#getChunkTypeID()
	 */
	@Override
	public ChunkTypeID getChunkTypeID() {
		return ChunkTypeID.LABL;
	}

	/* (non-Javadoc)
	 * @see com.skratchdot.riff.wav.impl.ChunkImpl#getChunkTypeIDValue()
	 */
	@Override
	public int getChunkTypeIDValue() {
		return ChunkTypeID.LABL_VALUE;
	}

	/* (non-Javadoc)
	 * @see com.skratchdot.riff.wav.impl.ChunkImpl#getSize()
	 */
	@Override
	public long getSize() {
		return this.getText()==null?4:4+this.getText().length;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	protected EClass eStaticClass() {
		return WavPackage.Literals.CHUNK_DATA_LIST_TYPE_LABEL;
	}

	@Override
	public byte[] toByteArray() {
		ExtendedByteBuffer buf = new ExtendedByteBuffer((int) this.getSize()+8);
		buf.order(ByteOrder.LITTLE_ENDIAN);

		buf.putUnsignedInt(this.getChunkTypeIDValue());
		buf.putUnsignedInt(this.getSize());
		buf.putUnsignedInt(this.getCuePointID());
		if(this.getText()!=null) {
			buf.putBytes(this.getText());
		}

		return buf.array();
	}

} //ChunkDataListTypeLabelImpl