Copyright (c) 2000, 2016 IBM Corporation and others.
This program and the accompanying materials
are made available under the terms of the Eclipse Public License 2.0
which accompanies this distribution, and is available at
https://www.eclipse.org/legal/epl-2.0/
SPDX-License-Identifier: EPL-2.0
Contributors:
    IBM Corporation - initial API and implementation
    Mickael Istria (Red Hat Inc.) - Bug 488937
/*******************************************************************************
 * Copyright (c) 2000, 2016 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Mickael Istria (Red Hat Inc.) - Bug 488937
 *******************************************************************************/
package org.eclipse.core.internal.resources;

import java.io.DataInputStream;
import java.io.IOException;
import org.eclipse.core.internal.utils.Messages;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.osgi.util.NLS;

public class MarkerSnapshotReader {
	protected Workspace workspace;

	public MarkerSnapshotReader(Workspace workspace) {
		super();
		this.workspace = workspace;
	}

	
Returns the appropriate reader for the given version.
/**
	 * Returns the appropriate reader for the given version.
	 */
	protected MarkerSnapshotReader getReader(int formatVersion) throws IOException {
		switch (formatVersion) {
			case 1 :
				return new MarkerSnapshotReader_1(workspace);
			case 2 :
				return new MarkerSnapshotReader_2(workspace);
			default :
				throw new IOException(NLS.bind(Messages.resources_format, formatVersion));
		}
	}

	public void read(DataInputStream input) throws IOException, CoreException {
		int formatVersion = readVersionNumber(input);
		MarkerSnapshotReader reader = getReader(formatVersion);
		reader.read(input);
	}

	protected static int readVersionNumber(DataInputStream input) throws IOException {
		return input.readInt();
	}
}