org.jiemamy.utils.DisposableUtil.java Source code

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Here is the source code for org.jiemamy.utils.DisposableUtil.java

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/*
 * Copyright 2007-2012 Jiemamy Project and the Others.
 *
 * This file is part of Jiemamy.
 *
 * 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.jiemamy.utils;

import java.beans.Introspector;
import java.util.LinkedList;

import org.apache.commons.lang.Validate;

/**
 * ????
 * 
 * @version $Id$
 * @author j5ik2o
 */
public final class DisposableUtil {

    /** ??{@link Disposable} */
    private static final LinkedList<Disposable> DISPOSABLES = new LinkedList<Disposable>();

    /**
     * ???
     * 
     * @param disposable ??
     * @throws IllegalArgumentException ?{@code null}???
     */
    public static synchronized void add(Disposable disposable) {
        Validate.notNull(disposable);
        DISPOSABLES.add(disposable);
    }

    /**
     * ????
     */
    public static synchronized void dispose() {
        while (DISPOSABLES.isEmpty() == false) {
            Disposable disposable = DISPOSABLES.removeLast();
            try {
                disposable.dispose();
            } catch (Throwable t) {
                t.printStackTrace(); // must not use Logger.
            }
        }
        DISPOSABLES.clear();
        Introspector.flushCaches();
    }

    /**
     * ????
     * 
     * @param disposable ??
     */
    public static synchronized void remove(Disposable disposable) {
        DISPOSABLES.remove(disposable);
    }

    private DisposableUtil() {
    }
}