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/*******************************************************************************
 * Copyright (c) 2009, 2013 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.osgi.framework.util;

import java.lang.ref.WeakReference;
import java.util.Map;
import java.util.WeakHashMap;
import org.eclipse.osgi.internal.debug.Debug;

public class ObjectPool {
	//private static String OPTION_DEBUG_OBJECTPOOL_ADDS = Debug.ECLIPSE_OSGI + "/debug/objectPool/adds"; //$NON-NLS-1$
	//private static String OPTION_DEBUG_OBJECTPOOL_DUPS = Debug.ECLIPSE_OSGI + "/debug/objectPool/dups"; //$NON-NLS-1$
	// TODO need to set these
	private static final boolean DEBUG_OBJECTPOOL_ADDS = false;
	private static final boolean DEBUG_OBJECTPOOL_DUPS = false;
	private static Map> objectCache = new WeakHashMap>();

	public static Object intern(Object obj) {
		synchronized (objectCache) {
			WeakReference