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


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.util.Collection JavaDoc;
20
21 import org.apache.commons.collections.primitives.LongCollection;
22 import org.apache.commons.collections.primitives.LongIterator;
23
24 /**
25  * @since Commons Primitives 1.0
26  * @version $Revision: 480462 $ $Date: 2006-11-29 00:15:00 -0800 (Wed, 29 Nov 2006) $
27  * @author Rodney Waldhoff
28  */
29 abstract class AbstractCollectionLongCollection implements LongCollection {
30     protected AbstractCollectionLongCollection() {
31     }
32
33     public boolean add(long element) {
34         return getCollection().add(new Long JavaDoc(element));
35     }
36         
37     public boolean addAll(LongCollection c) {
38         return getCollection().addAll(LongCollectionCollection.wrap(c));
39     }
40     
41     public void clear() {
42         getCollection().clear();
43     }
44
45     public boolean contains(long element) {
46         return getCollection().contains(new Long JavaDoc(element));
47     }
48     
49     public boolean containsAll(LongCollection c) {
50         return getCollection().containsAll(LongCollectionCollection.wrap(c));
51     }
52     
53     public String JavaDoc toString() {
54         return getCollection().toString();
55     }
56
57     public boolean isEmpty() {
58         return getCollection().isEmpty();
59     }
60     
61     /**
62      * {@link IteratorLongIterator#wrap wraps} the
63      * {@link java.util.Iterator Iterator}
64      * returned by my underlying
65      * {@link Collection Collection},
66      * if any.
67      */
68     public LongIterator iterator() {
69         return IteratorLongIterator.wrap(getCollection().iterator());
70     }
71      
72     public boolean removeElement(long element) {
73         return getCollection().remove(new Long JavaDoc(element));
74     }
75     
76     public boolean removeAll(LongCollection c) {
77         return getCollection().removeAll(LongCollectionCollection.wrap(c));
78     }
79         
80     public boolean retainAll(LongCollection c) {
81         return getCollection().retainAll(LongCollectionCollection.wrap(c));
82     }
83     
84     public int size() {
85         return getCollection().size();
86     }
87     
88     public long[] toArray() {
89         Object JavaDoc[] src = getCollection().toArray();
90         long[] dest = new long[src.length];
91         for(int i=0;i<src.length;i++) {
92             dest[i] = ((Number JavaDoc)(src[i])).longValue();
93         }
94         return dest;
95     }
96     
97     public long[] toArray(long[] dest) {
98         Object JavaDoc[] src = getCollection().toArray();
99         if(dest.length < src.length) {
100             dest = new long[src.length];
101         }
102         for(int i=0;i<src.length;i++) {
103             dest[i] = ((Number JavaDoc)(src[i])).longValue();
104         }
105         return dest;
106     }
107     
108     protected abstract Collection JavaDoc getCollection();
109     
110 }
111
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