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/*******************************************************************************
 * Copyright (c) 2008-2010 Sonatype, Inc.
 * 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:
 *      Sonatype, Inc. - initial API and implementation
 *******************************************************************************/

package org.eclipse.m2e.core.internal.index;

import java.io.File;
import java.io.IOException;

import org.eclipse.core.runtime.internal.adaptor.BasicLocation;
import org.eclipse.osgi.util.NLS;

import org.apache.maven.index.fs.Lock;
import org.apache.maven.index.fs.Locker;

@SuppressWarnings("restriction")
public class EquinoxLocker
    implements Locker
{

    public Lock lock( File directory )
        throws IOException
    {
        org.eclipse.core.runtime.internal.adaptor.Locker lock = BasicLocation.createLocker(new File( directory, LOCK_FILE ), null );

        if ( lock.lock() )
        {
            return new EquinoxLock( lock );
        }

        throw new IOException( NLS.bind("Could not acquire lock on directory {0}", directory ));
    }

}

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