Deactivator.java example

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/*
 * Copyright 1999-2010 University of Chicago
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
 * compliance with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is
 * distributed on an "AS IS" BASIS,WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied.
 *
 * See the License for the specific language governing permissions and limitations under the License.
 */
package org.globus.util.deactivator;

import java.util.*;

public class Deactivator {

    private static Hashtable modules = new Hashtable();

    public static void deactivateAll() {
	DeactivationHandler handler = null;
	Enumeration e = modules.keys();
	while(e.hasMoreElements()) {
	    handler = (DeactivationHandler)e.nextElement();
	    handler.deactivate();
	}
	modules.clear();
    }

    public static void registerDeactivation(DeactivationHandler handler) {
	modules.put(handler, "");
    }

    public static void unregisterDeactivation(DeactivationHandler handler) {
	modules.remove(handler);
    }

}