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;
20 import java.util.Collection;
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 03:15:00 -0500 (Wed, 29 Nov 2006) $
34 */
35 final public class BooleanCollectionCollection extends
36 AbstractBooleanCollectionCollection implements Serializable
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 wrap(BooleanCollection collection) {
53 if(null == collection) {
54 return null;
55 } else if(collection instanceof Serializable) {
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 }