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Java > Open Source Codes > org > apache > commons > collections > primitives > adapters > BooleanCollectionCollection


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 package org.apache.commons.collections.primitives.adapters;
18
19 import java.io.Serializable JavaDoc;
20 import java.util.Collection JavaDoc;
21
22 import org.apache.commons.collections.primitives.BooleanCollection;
23
24 /**
25  * Adapts an {@link org.apache.commons.collections.primitives.BooleanCollection
26  * BooleanCollection} to the {@link java.util.Collection Collection} interface.
27  * <p />
28  * This implementation delegates most methods to the provided {@link
29  * org.apache.commons.collections.primitives.BooleanCollection
30  * BooleanCollection} implementation in the "obvious" way.
31  *
32  * @since Commons Primitives 1.1
33  * @version $Revision: 480462 $ $Date: 2006-11-29 00:15:00 -0800 (Wed, 29 Nov 2006) $
34  */
35 final public class BooleanCollectionCollection extends
36         AbstractBooleanCollectionCollection implements Serializable JavaDoc
37 {
38     
39     /**
40      * Create a {@link java.util.Collection Collection} wrapping the specified
41      * {@link org.apache.commons.collections.primitives.BooleanCollection
42      * BooleanCollection}. When the given <i>collection</i> is <code>null
43      * </code>, returns <code>null</code>.
44      *
45      * @param collection the (possibly <code>null</code>)
46      * {@link org.apache.commons.collections.primitives.BooleanCollection
47      * BooleanCollection} to wrap
48      * @return a {@link java.util.Collection Collection} wrapping the given
49      * <i>collection</i>, or <code>null</code> when <i>collection</i> is
50      * <code>null</code>.
51      */
52     public static Collection JavaDoc wrap(BooleanCollection collection) {
53         if(null == collection) {
54             return null;
55         } else if(collection instanceof Serializable JavaDoc) {
56             return new BooleanCollectionCollection(collection);
57         } else {
58             return new NonSerializableBooleanCollectionCollection(collection);
59         }
60     }
61     
62     /**
63      * Creates a {@link java.util.Collection Collection} wrapping the specified
64      * {@link org.apache.commons.collections.primitives.BooleanCollection
65      * BooleanCollection}.
66      * @see #wrap
67      */
68     public BooleanCollectionCollection(BooleanCollection collection) {
69         _collection = collection;
70     }
71     
72
73     protected BooleanCollection getBooleanCollection() {
74         return _collection;
75     }
76         
77     private BooleanCollection _collection = null;
78 }
79
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