1. /*
  2. * The Apache Software License, Version 1.1
  3. *
  4. *
  5. * Copyright (c) 2002,2003 The Apache Software Foundation. All rights
  6. * reserved.
  7. *
  8. * Redistribution and use in source and binary forms, with or without
  9. * modification, are permitted provided that the following conditions
  10. * are met:
  11. *
  12. * 1. Redistributions of source code must retain the above copyright
  13. * notice, this list of conditions and the following disclaimer.
  14. *
  15. * 2. Redistributions in binary form must reproduce the above copyright
  16. * notice, this list of conditions and the following disclaimer in
  17. * the documentation and/or other materials provided with the
  18. * distribution.
  19. *
  20. * 3. The end-user documentation included with the redistribution,
  21. * if any, must include the following acknowledgment:
  22. * "This product includes software developed by the
  23. * Apache Software Foundation (http://www.apache.org/)."
  24. * Alternately, this acknowledgment may appear in the software itself,
  25. * if and wherever such third-party acknowledgments normally appear.
  26. *
  27. * 4. The names "Xerces" and "Apache Software Foundation" must
  28. * not be used to endorse or promote products derived from this
  29. * software without prior written permission. For written
  30. * permission, please contact apache@apache.org.
  31. *
  32. * 5. Products derived from this software may not be called "Apache",
  33. * nor may "Apache" appear in their name, without prior written
  34. * permission of the Apache Software Foundation.
  35. *
  36. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
  37. * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  38. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  39. * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
  40. * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  41. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  42. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  43. * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  44. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  45. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  46. * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  47. * SUCH DAMAGE.
  48. * ====================================================================
  49. *
  50. * This software consists of voluntary contributions made by many
  51. * individuals on behalf of the Apache Software Foundation and was
  52. * originally based on software copyright (c) 2002, International
  53. * Business Machines, Inc., http://www.apache.org. For more
  54. * information on the Apache Software Foundation, please see
  55. * <http://www.apache.org/>.
  56. */
  57. package com.sun.org.apache.xerces.internal.impl.xs.util;
  58. import com.sun.org.apache.xerces.internal.xs.StringList;
  59. import java.util.Vector;
  60. /**
  61. * Containts a list of Object's.
  62. *
  63. * @author Sandy Gao, IBM
  64. *
  65. * @version $Id: StringListImpl.java,v 1.5 2003/11/12 23:17:34 sandygao Exp $
  66. */
  67. public class StringListImpl implements StringList {
  68. // The array to hold all data
  69. private String[] fArray = null;
  70. // Number of elements in this list
  71. private int fLength = 0;
  72. // REVISIT: this is temp solution. In general we need to use this class
  73. // instead of the Vector.
  74. private Vector fVector;
  75. public StringListImpl(Vector v) {
  76. fVector = v;
  77. fLength = (v == null) ? 0 : v.size();
  78. }
  79. /**
  80. * Construct an XSObjectList implementation
  81. *
  82. * @param array the data array
  83. * @param length the number of elements
  84. */
  85. public StringListImpl(String[] array, int length) {
  86. fArray = array;
  87. fLength = length;
  88. }
  89. /**
  90. * The number of <code>Objects</code> in the list. The range of valid
  91. * child node indices is 0 to <code>length-1</code> inclusive.
  92. */
  93. public int getLength() {
  94. return fLength;
  95. }
  96. /**
  97. * Checks if the <code>GenericString</code> <code>item</code> is a member
  98. * of this list.
  99. * @param item <code>GenericString</code> whose presence in this list is
  100. * to be tested.
  101. * @return True if this list contains the <code>GenericString</code>
  102. * <code>item</code>.
  103. */
  104. public boolean contains(String item) {
  105. if (fVector != null)
  106. return fVector.contains(item);
  107. if (item == null) {
  108. for (int i = 0; i < fLength; i++) {
  109. if (fArray[i] == null)
  110. return true;
  111. }
  112. }
  113. else {
  114. for (int i = 0; i < fLength; i++) {
  115. if (item.equals(fArray[i]))
  116. return true;
  117. }
  118. }
  119. return false;
  120. }
  121. public String item(int index) {
  122. if (index < 0 || index >= fLength)
  123. return null;
  124. if (fVector != null) {
  125. return (String)fVector.elementAt(index);
  126. }
  127. return fArray[index];
  128. }
  129. } // class XSParticle