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/****************************************************************************
* Copyright (c) 2007, 2008 Composent, Inc. 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:
* Composent, Inc. - initial API and implementation
* Mustafa K. Isik
*****************************************************************************/
package org.eclipse.ecf.sync.doc;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.eclipse.ecf.sync.IModelChangeMessage;
import org.eclipse.ecf.sync.SerializationException;
/**
*
*/
public class DocumentChangeMessage implements IDocumentChange, IModelChangeMessage {
private static final long serialVersionUID = -3195542805471664496L;
public static DocumentChangeMessage deserialize(byte[] bytes) throws SerializationException {
try {
final ByteArrayInputStream bins = new ByteArrayInputStream(bytes);
final ObjectInputStream oins = new ObjectInputStream(bins);
return (DocumentChangeMessage) oins.readObject();
} catch (final Exception e) {
throw new SerializationException("Exception deserializing DocumentChangeMessage", e);
}
}
final String text;
int offset;
int length;
public DocumentChangeMessage(int offset, int length, String text) {
this.offset = offset;
this.length = length;
this.text = text;
}
/**
* Returns the modification index of the operation resembled by this
* message.
*
* @return modification index
*/
public int getOffset() {
return offset;
}
public void setOffset(int updatedOffset) {
this.offset = updatedOffset;
}
/**
* Returns the length of replaced text.
*
* @return length of replaced text
*/
public int getLengthOfReplacedText() {
return length;
}
public void setLengthOfReplacedText(int length) {
this.length = length;
}
public String getText() {
return text;
}
public int getLengthOfInsertedText() {
return this.text.length();
}
public String toString() {
final StringBuffer buf = new StringBuffer("DocumentChangeMessage["); //$NON-NLS-1$
buf.append("text=").append(text).append(";offset=").append(offset); //$NON-NLS-1$ //$NON-NLS-2$
buf.append(";length=").append(length).append("]"); //$NON-NLS-1$ //$NON-NLS-2$
return buf.toString();
}
private byte[] serializeLocal() throws IOException {
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(bos);
oos.writeObject(this);
return bos.toByteArray();
}
public byte[] serialize() throws SerializationException {
try {
return serializeLocal();
} catch (final IOException e) {
throw new SerializationException("Exception serializing DocumentChangeMessage", e);
}
}
}
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