001: /*
002: * $Header: /home/cvs/jakarta-commons/primitives/src/java/org/apache/commons/collections/primitives/adapters/AbstractIntCollectionCollection.java,v 1.3 2003/10/16 20:49:38 scolebourne Exp $
003: * ====================================================================
004: * The Apache Software License, Version 1.1
005: *
006: * Copyright (c) 2003 The Apache Software Foundation. All rights
007: * reserved.
008: *
009: * Redistribution and use in source and binary forms, with or without
010: * modification, are permitted provided that the following conditions
011: * are met:
012: *
013: * 1. Redistributions of source code must retain the above copyright
014: * notice, this list of conditions and the following disclaimer.
015: *
016: * 2. Redistributions in binary form must reproduce the above copyright
017: * notice, this list of conditions and the following disclaimer in
018: * the documentation and/or other materials provided with the
019: * distribution.
020: *
021: * 3. The end-user documentation included with the redistribution, if
022: * any, must include the following acknowledgement:
023: * "This product includes software developed by the
024: * Apache Software Foundation (http://www.apache.org/)."
025: * Alternately, this acknowledgement may appear in the software itself,
026: * if and wherever such third-party acknowledgements normally appear.
027: *
028: * 4. The names "The Jakarta Project", "Commons", and "Apache Software
029: * Foundation" must not be used to endorse or promote products derived
030: * from this software without prior written permission. For written
031: * permission, please contact apache@apache.org.
032: *
033: * 5. Products derived from this software may not be called "Apache"
034: * nor may "Apache" appear in their names without prior written
035: * permission of the Apache Software Foundation.
036: *
037: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
038: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
039: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
040: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
041: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
042: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
043: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
044: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
045: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
046: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
047: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
048: * SUCH DAMAGE.
049: * ====================================================================
050: *
051: * This software consists of voluntary contributions made by many
052: * individuals on behalf of the Apache Software Foundation. For more
053: * information on the Apache Software Foundation, please see
054: * <http://www.apache.org/>.
055: *
056: */
057:
058: package org.apache.commons.collections.primitives.adapters;
059:
060: import java.lang.reflect.Array;
061: import java.util.Collection;
062: import java.util.Iterator;
063:
064: import org.apache.commons.collections.primitives.IntCollection;
065:
066: /**
067: * @since Commons Primitives 1.0
068: * @version $Revision: 1.3 $ $Date: 2003/10/16 20:49:38 $
069: * @author Rodney Waldhoff
070: */
071: abstract class AbstractIntCollectionCollection implements Collection {
072:
073: public boolean add(Object element) {
074: return getIntCollection().add(((Number) element).intValue());
075: }
076:
077: public boolean addAll(Collection c) {
078: return getIntCollection().addAll(
079: CollectionIntCollection.wrap(c));
080: }
081:
082: public void clear() {
083: getIntCollection().clear();
084: }
085:
086: public boolean contains(Object element) {
087: return getIntCollection().contains(
088: ((Number) element).intValue());
089: }
090:
091: public boolean containsAll(Collection c) {
092: return getIntCollection().containsAll(
093: CollectionIntCollection.wrap(c));
094: }
095:
096: public String toString() {
097: return getIntCollection().toString();
098: }
099:
100: public boolean isEmpty() {
101: return getIntCollection().isEmpty();
102: }
103:
104: /**
105: * {@link IntIteratorIterator#wrap wraps} the
106: * {@link org.apache.commons.collections.primitives.IntIterator IntIterator}
107: * returned by my underlying
108: * {@link IntCollection IntCollection},
109: * if any.
110: */
111: public Iterator iterator() {
112: return IntIteratorIterator.wrap(getIntCollection().iterator());
113: }
114:
115: public boolean remove(Object element) {
116: return getIntCollection().removeElement(
117: ((Number) element).intValue());
118: }
119:
120: public boolean removeAll(Collection c) {
121: return getIntCollection().removeAll(
122: CollectionIntCollection.wrap(c));
123: }
124:
125: public boolean retainAll(Collection c) {
126: return getIntCollection().retainAll(
127: CollectionIntCollection.wrap(c));
128: }
129:
130: public int size() {
131: return getIntCollection().size();
132: }
133:
134: public Object[] toArray() {
135: int[] a = getIntCollection().toArray();
136: Object[] A = new Object[a.length];
137: for (int i = 0; i < a.length; i++) {
138: A[i] = new Integer(a[i]);
139: }
140: return A;
141: }
142:
143: public Object[] toArray(Object[] A) {
144: int[] a = getIntCollection().toArray();
145: if (A.length < a.length) {
146: A = (Object[]) (Array.newInstance(A.getClass()
147: .getComponentType(), a.length));
148: }
149: for (int i = 0; i < a.length; i++) {
150: A[i] = new Integer(a[i]);
151: }
152: if (A.length > a.length) {
153: A[a.length] = null;
154: }
155:
156: return A;
157: }
158:
159: protected abstract IntCollection getIntCollection();
160: }
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