1. /*
  2. * $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 $
  3. * ====================================================================
  4. * The Apache Software License, Version 1.1
  5. *
  6. * Copyright (c) 2003 The Apache Software Foundation. All rights
  7. * reserved.
  8. *
  9. * Redistribution and use in source and binary forms, with or without
  10. * modification, are permitted provided that the following conditions
  11. * are met:
  12. *
  13. * 1. Redistributions of source code must retain the above copyright
  14. * notice, this list of conditions and the following disclaimer.
  15. *
  16. * 2. Redistributions in binary form must reproduce the above copyright
  17. * notice, this list of conditions and the following disclaimer in
  18. * the documentation and/or other materials provided with the
  19. * distribution.
  20. *
  21. * 3. The end-user documentation included with the redistribution, if
  22. * any, must include the following acknowledgement:
  23. * "This product includes software developed by the
  24. * Apache Software Foundation (http://www.apache.org/)."
  25. * Alternately, this acknowledgement may appear in the software itself,
  26. * if and wherever such third-party acknowledgements normally appear.
  27. *
  28. * 4. The names "The Jakarta Project", "Commons", and "Apache Software
  29. * Foundation" must not be used to endorse or promote products derived
  30. * from this software without prior written permission. For written
  31. * permission, please contact apache@apache.org.
  32. *
  33. * 5. Products derived from this software may not be called "Apache"
  34. * nor may "Apache" appear in their names without prior written
  35. * permission of the Apache Software Foundation.
  36. *
  37. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
  38. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  39. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  40. * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
  41. * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  42. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  43. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  44. * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  45. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  46. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  47. * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  48. * SUCH DAMAGE.
  49. * ====================================================================
  50. *
  51. * This software consists of voluntary contributions made by many
  52. * individuals on behalf of the Apache Software Foundation. For more
  53. * information on the Apache Software Foundation, please see
  54. * <http://www.apache.org/>.
  55. *
  56. */
  57. package org.apache.commons.collections.primitives.adapters;
  58. import java.util.Collection;
  59. import java.util.Iterator;
  60. import java.util.List;
  61. import java.util.ListIterator;
  62. import org.apache.commons.collections.primitives.DoubleCollection;
  63. import org.apache.commons.collections.primitives.DoubleList;
  64. /**
  65. * @since Commons Primitives 1.0
  66. * @version $Revision: 1.3 $ $Date: 2003/10/16 20:49:38 $
  67. * @author Rodney Waldhoff
  68. */
  69. abstract class AbstractDoubleListList extends AbstractDoubleCollectionCollection implements List {
  70. public void add(int index, Object element) {
  71. getDoubleList().add(index,((Number)element).doubleValue());
  72. }
  73. public boolean addAll(int index, Collection c) {
  74. return getDoubleList().addAll(index,CollectionDoubleCollection.wrap(c));
  75. }
  76. public Object get(int index) {
  77. return new Double(getDoubleList().get(index));
  78. }
  79. public int indexOf(Object element) {
  80. return getDoubleList().indexOf(((Number)element).doubleValue());
  81. }
  82. public int lastIndexOf(Object element) {
  83. return getDoubleList().lastIndexOf(((Number)element).doubleValue());
  84. }
  85. /**
  86. * {@link DoubleListIteratorListIterator#wrap wraps} the
  87. * {@link org.apache.commons.collections.primitives.DoubleListIterator DoubleListIterator}
  88. * returned by my underlying
  89. * {@link DoubleList DoubleList},
  90. * if any.
  91. */
  92. public ListIterator listIterator() {
  93. return DoubleListIteratorListIterator.wrap(getDoubleList().listIterator());
  94. }
  95. /**
  96. * {@link DoubleListIteratorListIterator#wrap wraps} the
  97. * {@link org.apache.commons.collections.primitives.DoubleListIterator DoubleListIterator}
  98. * returned by my underlying
  99. * {@link DoubleList DoubleList},
  100. * if any.
  101. */
  102. public ListIterator listIterator(int index) {
  103. return DoubleListIteratorListIterator.wrap(getDoubleList().listIterator(index));
  104. }
  105. public Object remove(int index) {
  106. return new Double(getDoubleList().removeElementAt(index));
  107. }
  108. public Object set(int index, Object element) {
  109. return new Double(getDoubleList().set(index, ((Number)element).doubleValue() ));
  110. }
  111. public List subList(int fromIndex, int toIndex) {
  112. return DoubleListList.wrap(getDoubleList().subList(fromIndex,toIndex));
  113. }
  114. public boolean equals(Object obj) {
  115. if(obj instanceof List) {
  116. List that = (List)obj;
  117. if(this == that) {
  118. return true;
  119. } else if(this.size() != that.size()) {
  120. return false;
  121. } else {
  122. Iterator thisiter = iterator();
  123. Iterator thatiter = that.iterator();
  124. while(thisiter.hasNext()) {
  125. Object thiselt = thisiter.next();
  126. Object thatelt = thatiter.next();
  127. if(null == thiselt ? null != thatelt : !(thiselt.equals(thatelt))) {
  128. return false;
  129. }
  130. }
  131. return true;
  132. }
  133. } else {
  134. return false;
  135. }
  136. }
  137. public int hashCode() {
  138. return getDoubleList().hashCode();
  139. }
  140. protected final DoubleCollection getDoubleCollection() {
  141. return getDoubleList();
  142. }
  143. protected abstract DoubleList getDoubleList();
  144. }