001: /*
002: * $Header: /home/cvs/jakarta-commons/primitives/src/java/org/apache/commons/collections/primitives/adapters/AbstractDoubleListList.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.util.Collection;
061: import java.util.Iterator;
062: import java.util.List;
063: import java.util.ListIterator;
064:
065: import org.apache.commons.collections.primitives.DoubleCollection;
066: import org.apache.commons.collections.primitives.DoubleList;
067:
068: /**
069: * @since Commons Primitives 1.0
070: * @version $Revision: 1.3 $ $Date: 2003/10/16 20:49:38 $
071: * @author Rodney Waldhoff
072: */
073: abstract class AbstractDoubleListList extends
074: AbstractDoubleCollectionCollection implements List {
075:
076: public void add(int index, Object element) {
077: getDoubleList().add(index, ((Number) element).doubleValue());
078: }
079:
080: public boolean addAll(int index, Collection c) {
081: return getDoubleList().addAll(index,
082: CollectionDoubleCollection.wrap(c));
083: }
084:
085: public Object get(int index) {
086: return new Double(getDoubleList().get(index));
087: }
088:
089: public int indexOf(Object element) {
090: return getDoubleList()
091: .indexOf(((Number) element).doubleValue());
092: }
093:
094: public int lastIndexOf(Object element) {
095: return getDoubleList().lastIndexOf(
096: ((Number) element).doubleValue());
097: }
098:
099: /**
100: * {@link DoubleListIteratorListIterator#wrap wraps} the
101: * {@link org.apache.commons.collections.primitives.DoubleListIterator DoubleListIterator}
102: * returned by my underlying
103: * {@link DoubleList DoubleList},
104: * if any.
105: */
106: public ListIterator listIterator() {
107: return DoubleListIteratorListIterator.wrap(getDoubleList()
108: .listIterator());
109: }
110:
111: /**
112: * {@link DoubleListIteratorListIterator#wrap wraps} the
113: * {@link org.apache.commons.collections.primitives.DoubleListIterator DoubleListIterator}
114: * returned by my underlying
115: * {@link DoubleList DoubleList},
116: * if any.
117: */
118: public ListIterator listIterator(int index) {
119: return DoubleListIteratorListIterator.wrap(getDoubleList()
120: .listIterator(index));
121: }
122:
123: public Object remove(int index) {
124: return new Double(getDoubleList().removeElementAt(index));
125: }
126:
127: public Object set(int index, Object element) {
128: return new Double(getDoubleList().set(index,
129: ((Number) element).doubleValue()));
130: }
131:
132: public List subList(int fromIndex, int toIndex) {
133: return DoubleListList.wrap(getDoubleList().subList(fromIndex,
134: toIndex));
135: }
136:
137: public boolean equals(Object obj) {
138: if (obj instanceof List) {
139: List that = (List) obj;
140: if (this == that) {
141: return true;
142: } else if (this .size() != that.size()) {
143: return false;
144: } else {
145: Iterator this iter = iterator();
146: Iterator thatiter = that.iterator();
147: while (this iter.hasNext()) {
148: Object this elt = this iter.next();
149: Object thatelt = thatiter.next();
150: if (null == this elt ? null != thatelt : !(this elt
151: .equals(thatelt))) {
152: return false;
153: }
154: }
155: return true;
156: }
157: } else {
158: return false;
159: }
160: }
161:
162: public int hashCode() {
163: return getDoubleList().hashCode();
164: }
165:
166: protected final DoubleCollection getDoubleCollection() {
167: return getDoubleList();
168: }
169:
170: protected abstract DoubleList getDoubleList();
171:
172: }
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