001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.commons.collections.primitives.adapters;
018
019import java.io.Serializable;
020import java.util.Collection;
021
022import org.apache.commons.collections.primitives.BooleanCollection;
023
024/**
025 * Adapts an {@link org.apache.commons.collections.primitives.BooleanCollection
026 * BooleanCollection} to the {@link java.util.Collection Collection} interface.
027 * <p />
028 * This implementation delegates most methods to the provided {@link
029 * org.apache.commons.collections.primitives.BooleanCollection
030 * BooleanCollection} implementation in the "obvious" way.
031 * 
032 * @since Commons Primitives 1.1
033 * @version $Revision: 480462 $ $Date: 2006-11-29 03:15:00 -0500 (Wed, 29 Nov 2006) $
034 */
035final public class BooleanCollectionCollection extends
036        AbstractBooleanCollectionCollection implements Serializable
037{
038    
039    /**
040     * Create a {@link java.util.Collection Collection} wrapping the specified
041     * {@link org.apache.commons.collections.primitives.BooleanCollection
042     * BooleanCollection}.  When the given <i>collection</i> is <code>null
043     * </code>, returns <code>null</code>.
044     * 
045     * @param collection the (possibly <code>null</code>) 
046     *        {@link org.apache.commons.collections.primitives.BooleanCollection
047     *        BooleanCollection} to wrap
048     * @return a {@link java.util.Collection Collection} wrapping the given
049     *         <i>collection</i>, or <code>null</code> when <i>collection</i> is
050     *         <code>null</code>.
051     */
052    public static Collection wrap(BooleanCollection collection) {
053        if(null == collection) {
054            return null;
055        } else if(collection instanceof Serializable) {
056            return new BooleanCollectionCollection(collection);
057        } else {
058            return new NonSerializableBooleanCollectionCollection(collection);
059        }
060    }
061    
062    /**
063     * Creates a {@link java.util.Collection Collection} wrapping the specified
064     * {@link org.apache.commons.collections.primitives.BooleanCollection
065     * BooleanCollection}.
066     * @see #wrap
067     */
068    public BooleanCollectionCollection(BooleanCollection collection) {
069        _collection = collection;
070    }
071    
072
073    protected BooleanCollection getBooleanCollection() {
074        return _collection;
075    }
076        
077    private BooleanCollection _collection = null;
078}