com.eviware.loadui.util.ReleasableUtils.java Source code

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Here is the source code for com.eviware.loadui.util.ReleasableUtils.java

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/*
 * Copyright 2013 SmartBear Software
 * 
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by the European Commission - subsequent
 * versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * 
 * http://ec.europa.eu/idabc/eupl
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the Licence is
 * distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the Licence for the specific language governing permissions and limitations
 * under the Licence.
 */
package com.eviware.loadui.util;

import com.eviware.loadui.api.traits.Releasable;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;

/**
 * Utility class for handling Releasables.
 * 
 * @author dain.nilsson
 */
public class ReleasableUtils {
    /**
     * Releases an Object if it is Releasable, otherwise does nothing.
     * 
     * @param object
     */
    public static void release(Object object) {
        if (object instanceof Releasable)
            ((Releasable) object).release();
    }

    /**
     * Releases all Releasable objects in the given varargs. For arguments that
     * are a Collection, each of its children will be released.
     * 
     * @param objects
     */
    public static void releaseAll(Object... objects) {
        for (Object object : objects) {
            if (object instanceof Iterable && !(object instanceof Releasable)) {
                for (Object child : ImmutableSet.copyOf(Iterables.filter((Iterable<?>) object, Object.class)))
                    releaseAll(child);
            }
            release(object);
        }
    }
}