/*******************************************************************************
* Copyright (c) 2000, 2006 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.core.internal.resources;
import java.io.DataInputStream;
import java.io.IOException;
import org.eclipse.core.internal.utils.Messages;
import org.eclipse.osgi.util.NLS;
public class SyncInfoSnapReader {
protected Workspace workspace;
protected Synchronizer synchronizer;
public SyncInfoSnapReader(Workspace workspace, Synchronizer synchronizer) {
super();
this.workspace= workspace;
this.synchronizer= synchronizer;
}
/**
* Returns the appropriate reader for the given version.
*/
protected SyncInfoSnapReader getReader(int formatVersion) throws IOException {
switch (formatVersion) {
case 3:
return new SyncInfoSnapReader_3(workspace, synchronizer);
default:
throw new IOException(NLS.bind(Messages.resources_format, new Integer(formatVersion)));
}
}
public void readSyncInfo(DataInputStream input) throws IOException {
// dispatch to the appropriate reader depending
// on the version of the file
int formatVersion= readVersionNumber(input);
SyncInfoSnapReader reader= getReader(formatVersion);
reader.readSyncInfo(input);
}
protected static int readVersionNumber(DataInputStream input) throws IOException {
return input.readInt();
}
}