/**
* 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 java.util.Collection;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
import com.skratchdot.riff.wav.Channel;
import com.skratchdot.riff.wav.ChunkData;
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</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link com.skratchdot.riff.wav.impl.ChunkDataImpl#getChannels <em>Channels</em>}</li>
* <li>{@link com.skratchdot.riff.wav.impl.ChunkDataImpl#getSampleDataOriginal <em>Sample Data Original</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class ChunkDataImpl extends ChunkImpl implements ChunkData {
/**
* The cached value of the '{@link #getChannels() <em>Channels</em>}' containment reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getChannels()
* @generated
* @ordered
*/
protected EList<Channel> channels;
/**
* The default value of the '{@link #getSampleDataOriginal() <em>Sample Data Original</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getSampleDataOriginal()
* @generated
* @ordered
*/
protected static final byte[] SAMPLE_DATA_ORIGINAL_EDEFAULT = null;
/**
* The cached value of the '{@link #getSampleDataOriginal() <em>Sample Data Original</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getSampleDataOriginal()
* @generated
* @ordered
*/
protected byte[] sampleDataOriginal = SAMPLE_DATA_ORIGINAL_EDEFAULT;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected ChunkDataImpl() {
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();
// Read in original sample data
byte[] newSampleDataOriginal = new byte[chunkSize];
buf.getBytes(newSampleDataOriginal);
this.setSampleDataOriginal(newSampleDataOriginal);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return WavPackage.Literals.CHUNK_DATA;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList<Channel> getChannels() {
if (channels == null) {
channels = new EObjectContainmentEList<Channel>(Channel.class, this, WavPackage.CHUNK_DATA__CHANNELS);
}
return channels;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public byte[] getSampleDataOriginal() {
return sampleDataOriginal;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setSampleDataOriginal(byte[] newSampleDataOriginal) {
byte[] oldSampleDataOriginal = sampleDataOriginal;
sampleDataOriginal = newSampleDataOriginal;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, WavPackage.CHUNK_DATA__SAMPLE_DATA_ORIGINAL, oldSampleDataOriginal, sampleDataOriginal));
}
/* (non-Javadoc)
* @see com.skratchdot.riff.wav.impl.ChunkImpl#getChunkTypeID()
*/
@Override
public ChunkTypeID getChunkTypeID() {
return ChunkTypeID.DATA;
}
/* (non-Javadoc)
* @see com.skratchdot.riff.wav.impl.ChunkImpl#getChunkTypeIDValue()
*/
@Override
public int getChunkTypeIDValue() {
return ChunkTypeID.DATA_VALUE;
}
/* (non-Javadoc)
* @see com.skratchdot.riff.wav.impl.ChunkImpl#getSize()
*/
@Override
public long getSize() {
if(this.getSampleDataOriginal()!=null) {
return this.getSampleDataOriginal().length;
}
return 0;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case WavPackage.CHUNK_DATA__CHANNELS:
return ((InternalEList<?>)getChannels()).basicRemove(otherEnd, msgs);
}
return super.eInverseRemove(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case WavPackage.CHUNK_DATA__CHANNELS:
return getChannels();
case WavPackage.CHUNK_DATA__SAMPLE_DATA_ORIGINAL:
return getSampleDataOriginal();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case WavPackage.CHUNK_DATA__CHANNELS:
getChannels().clear();
getChannels().addAll((Collection<? extends Channel>)newValue);
return;
case WavPackage.CHUNK_DATA__SAMPLE_DATA_ORIGINAL:
setSampleDataOriginal((byte[])newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case WavPackage.CHUNK_DATA__CHANNELS:
getChannels().clear();
return;
case WavPackage.CHUNK_DATA__SAMPLE_DATA_ORIGINAL:
setSampleDataOriginal(SAMPLE_DATA_ORIGINAL_EDEFAULT);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case WavPackage.CHUNK_DATA__CHANNELS:
return channels != null && !channels.isEmpty();
case WavPackage.CHUNK_DATA__SAMPLE_DATA_ORIGINAL:
return SAMPLE_DATA_ORIGINAL_EDEFAULT == null ? sampleDataOriginal != null : !SAMPLE_DATA_ORIGINAL_EDEFAULT.equals(sampleDataOriginal);
}
return super.eIsSet(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public String toString() {
if (eIsProxy()) return super.toString();
StringBuffer result = new StringBuffer(super.toString());
result.append(" (sampleDataOriginal: ");
result.append(sampleDataOriginal);
result.append(')');
return result.toString();
}
@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());
if(this.getSampleDataOriginal()!=null) {
buf.putBytes(this.getSampleDataOriginal());
}
return buf.array();
}
} //ChunkDataImpl