001: /*
002: * $Header: /home/cvs/jakarta-commons/primitives/src/java/org/apache/commons/collections/primitives/adapters/AbstractCharCollectionCollection.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.CharCollection;
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 AbstractCharCollectionCollection implements Collection {
072:
073: public boolean add(Object element) {
074: return getCharCollection().add(
075: ((Character) element).charValue());
076: }
077:
078: public boolean addAll(Collection c) {
079: return getCharCollection().addAll(
080: CollectionCharCollection.wrap(c));
081: }
082:
083: public void clear() {
084: getCharCollection().clear();
085: }
086:
087: public boolean contains(Object element) {
088: return getCharCollection().contains(
089: ((Character) element).charValue());
090: }
091:
092: public boolean containsAll(Collection c) {
093: return getCharCollection().containsAll(
094: CollectionCharCollection.wrap(c));
095: }
096:
097: public String toString() {
098: return getCharCollection().toString();
099: }
100:
101: public boolean isEmpty() {
102: return getCharCollection().isEmpty();
103: }
104:
105: /**
106: * {@link CharIteratorIterator#wrap wraps} the
107: * {@link org.apache.commons.collections.primitives.CharIterator CharIterator}
108: * returned by my underlying
109: * {@link CharCollection CharCollection},
110: * if any.
111: */
112: public Iterator iterator() {
113: return CharIteratorIterator
114: .wrap(getCharCollection().iterator());
115: }
116:
117: public boolean remove(Object element) {
118: return getCharCollection().removeElement(
119: ((Character) element).charValue());
120: }
121:
122: public boolean removeAll(Collection c) {
123: return getCharCollection().removeAll(
124: CollectionCharCollection.wrap(c));
125: }
126:
127: public boolean retainAll(Collection c) {
128: return getCharCollection().retainAll(
129: CollectionCharCollection.wrap(c));
130: }
131:
132: public int size() {
133: return getCharCollection().size();
134: }
135:
136: public Object[] toArray() {
137: char[] a = getCharCollection().toArray();
138: Object[] A = new Object[a.length];
139: for (int i = 0; i < a.length; i++) {
140: A[i] = new Character(a[i]);
141: }
142: return A;
143: }
144:
145: public Object[] toArray(Object[] A) {
146: char[] a = getCharCollection().toArray();
147: if (A.length < a.length) {
148: A = (Object[]) (Array.newInstance(A.getClass()
149: .getComponentType(), a.length));
150: }
151: for (int i = 0; i < a.length; i++) {
152: A[i] = new Character(a[i]);
153: }
154: if (A.length > a.length) {
155: A[a.length] = null;
156: }
157:
158: return A;
159: }
160:
161: protected abstract CharCollection getCharCollection();
162: }
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