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1 /* 2 Copyright (C) 2003 Together 3 4 This library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 This library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with this library; if not, write to the Free Software 16 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 17 */ 18 19 package org.enhydra.xml; 20 21 import java.util.ArrayList; 22 import java.util.List; 23 24 import org.w3c.dom.Attr; 25 import org.w3c.dom.Document; 26 import org.w3c.dom.Node; 27 import org.w3c.dom.NodeList; 28 29 30 31 /*** 32 * @author Tweety 33 * 34 * A class representing a node in a meta-data tree, which implements 35 * the <a href="../../../../api/org/w3c/dom/NodeList.html"> 36 * 37 * <p> Namespaces are ignored in this implementation. The terms "tag 38 * name" and "node name" are always considered to be synonymous. 39 * 40 * @version 1.0 41 */ 42 public class NodeListImpl implements NodeList { 43 44 /*** 45 * List of <code>Node</code>s. 46 */ 47 List nodes; 48 49 50 /*** 51 * Constructs an empty <code>NodeListImpl</code>. 52 */ 53 public NodeListImpl() { 54 this.nodes = new ArrayList(); 55 } 56 57 58 /*** 59 * Constructs <code>NodeListImpl</code> with the given list of nodes. 60 * 61 * @param nodes list of nodes. 62 */ 63 public NodeListImpl(List nodes) { 64 this.nodes = nodes; 65 } 66 67 68 /*** 69 * Returns the count of nodes. 70 * 71 * @return the count of nodes. 72 */ 73 public int getLength() { 74 return nodes.size(); 75 } 76 77 78 /*** 79 * Returns the <code>Node</code> with the given index. 80 * 81 * @param index node index. 82 * 83 * @return the <code>Node</code> with the given index. 84 */ 85 public Node item(int index) { 86 if (index < 0 || index > nodes.size()) { 87 return null; 88 } 89 return (Node) nodes.get(index); 90 } 91 92 93 /*** 94 * Appends the given list to the end of the existing one. 95 * 96 * @param list list to add, as <code>NodeListImpl</code>. 97 * 98 * @return this as </code>NodeList</code>. 99 */ 100 public NodeList append(NodeListImpl list) { 101 this.nodes.addAll(list.nodes); 102 return this; 103 } 104 105 }

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