001: /*
002: * $Header: /home/cvs/jakarta-commons/primitives/src/java/org/apache/commons/collections/primitives/adapters/AbstractCollectionCharCollection.java,v 1.2 2003/10/14 20:04:17 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.util.Collection;
061:
062: import org.apache.commons.collections.primitives.CharCollection;
063: import org.apache.commons.collections.primitives.CharIterator;
064:
065: /**
066: * @since Commons Primitives 0.1
067: * @version $Revision: 1.2 $ $Date: 2003/10/14 20:04:17 $
068: * @author Rodney Waldhoff
069: */
070: abstract class AbstractCollectionCharCollection implements
071: CharCollection {
072: protected AbstractCollectionCharCollection() {
073: }
074:
075: public boolean add(char element) {
076: return getCollection().add(new Character(element));
077: }
078:
079: public boolean addAll(CharCollection c) {
080: return getCollection().addAll(CharCollectionCollection.wrap(c));
081: }
082:
083: public void clear() {
084: getCollection().clear();
085: }
086:
087: public boolean contains(char element) {
088: return getCollection().contains(new Character(element));
089: }
090:
091: public boolean containsAll(CharCollection c) {
092: return getCollection().containsAll(
093: CharCollectionCollection.wrap(c));
094: }
095:
096: public String toString() {
097: return getCollection().toString();
098: }
099:
100: public boolean isEmpty() {
101: return getCollection().isEmpty();
102: }
103:
104: /**
105: * {@link IteratorCharIterator#wrap wraps} the
106: * {@link java.util.Iterator Iterator}
107: * returned by my underlying
108: * {@link Collection Collection},
109: * if any.
110: */
111: public CharIterator iterator() {
112: return IteratorCharIterator.wrap(getCollection().iterator());
113: }
114:
115: public boolean removeElement(char element) {
116: return getCollection().remove(new Character(element));
117: }
118:
119: public boolean removeAll(CharCollection c) {
120: return getCollection().removeAll(
121: CharCollectionCollection.wrap(c));
122: }
123:
124: public boolean retainAll(CharCollection c) {
125: return getCollection().retainAll(
126: CharCollectionCollection.wrap(c));
127: }
128:
129: public int size() {
130: return getCollection().size();
131: }
132:
133: public char[] toArray() {
134: Object[] src = getCollection().toArray();
135: char[] dest = new char[src.length];
136: for (int i = 0; i < src.length; i++) {
137: dest[i] = ((Character) (src[i])).charValue();
138: }
139: return dest;
140: }
141:
142: public char[] toArray(char[] dest) {
143: Object[] src = getCollection().toArray();
144: if (dest.length < src.length) {
145: dest = new char[src.length];
146: }
147: for (int i = 0; i < src.length; i++) {
148: dest[i] = ((Character) (src[i])).charValue();
149: }
150: return dest;
151: }
152:
153: protected abstract Collection getCollection();
154:
155: }
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