19f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 29f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Licensed to the Apache Software Foundation (ASF) under one 39f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * or more contributor license agreements. See the NOTICE file 49f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed with this work for additional information 59f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * regarding copyright ownership. The ASF licenses this file 69f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * to you under the Apache License, Version 2.0 (the "License"); 79f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * you may not use this file except in compliance with the License. 89f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * You may obtain a copy of the License at 99f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * http://www.apache.org/licenses/LICENSE-2.0 119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Unless required by applicable law or agreed to in writing, software 139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * distributed under the License is distributed on an "AS IS" BASIS, 149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * See the License for the specific language governing permissions and 169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * limitations under the License. 179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/* 199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * $Id: XNodeSetForDOM.java 469368 2006-10-31 04:41:36Z minchau $ 209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpackage org.apache.xpath.objects; 229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xml.dtm.DTMManager; 249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.NodeSetDTM; 259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.apache.xpath.XPathContext; 269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.w3c.dom.Node; 289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.w3c.dom.NodeList; 299f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonimport org.w3c.dom.traversal.NodeIterator; 309f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 319f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson/** 329f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * This class overrides the XNodeSet#object() method to provide the original 339f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Node object, NodeList object, or NodeIterator. 349f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 359f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilsonpublic class XNodeSetForDOM extends XNodeSet 369f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson{ 379f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson static final long serialVersionUID = -8396190713754624640L; 389f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson Object m_origObj; 399f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 409f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public XNodeSetForDOM(Node node, DTMManager dtmMgr) 419f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 429f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_dtmMgr = dtmMgr; 439f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_origObj = node; 449f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson int dtmHandle = dtmMgr.getDTMHandleFromNode(node); 459f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson setObject(new NodeSetDTM(dtmMgr)); 469f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson ((NodeSetDTM) m_obj).addNode(dtmHandle); 479f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 489f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 499f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 509f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Construct a XNodeSet object. 519f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 529f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @param val Value of the XNodeSet object 539f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 549f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public XNodeSetForDOM(XNodeSet val) 559f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 569f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson super(val); 579f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson if(val instanceof XNodeSetForDOM) 589f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_origObj = ((XNodeSetForDOM)val).m_origObj; 599f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 609f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 619f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public XNodeSetForDOM(NodeList nodeList, XPathContext xctxt) 629f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 639f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_dtmMgr = xctxt.getDTMManager(); 649f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_origObj = nodeList; 659f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 669f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // JKESS 20020514: Longer-term solution is to force 679f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // folks to request length through an accessor, so we can defer this 689f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // retrieval... but that requires an API change. 699f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // m_obj=new org.apache.xpath.NodeSetDTM(nodeList, xctxt); 709f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson org.apache.xpath.NodeSetDTM nsdtm=new org.apache.xpath.NodeSetDTM(nodeList, xctxt); 719f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_last=nsdtm.getLength(); 729f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson setObject(nsdtm); 739f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 749f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 759f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public XNodeSetForDOM(NodeIterator nodeIter, XPathContext xctxt) 769f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 779f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_dtmMgr = xctxt.getDTMManager(); 789f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_origObj = nodeIter; 799f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 809f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // JKESS 20020514: Longer-term solution is to force 819f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // folks to request length through an accessor, so we can defer this 829f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // retrieval... but that requires an API change. 839f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson // m_obj = new org.apache.xpath.NodeSetDTM(nodeIter, xctxt); 849f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson org.apache.xpath.NodeSetDTM nsdtm=new org.apache.xpath.NodeSetDTM(nodeIter, xctxt); 859f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson m_last=nsdtm.getLength(); 869f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson setObject(nsdtm); 879f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 889f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 899f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 909f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Return the original DOM object that the user passed in. For use primarily 919f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * by the extension mechanism. 929f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 939f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return The object that this class wraps 949f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 959f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public Object object() 969f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 979f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return m_origObj; 989f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 999f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1009f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 1019f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Cast result object to a nodelist. Always issues an error. 1029f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 1039f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return null 1049f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 1059f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws javax.xml.transform.TransformerException 1069f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 1079f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public NodeIterator nodeset() throws javax.xml.transform.TransformerException 1089f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1099f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return (m_origObj instanceof NodeIterator) 1109f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson ? (NodeIterator)m_origObj : super.nodeset(); 1119f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1129f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1139f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson /** 1149f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * Cast result object to a nodelist. Always issues an error. 1159f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 1169f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @return null 1179f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * 1189f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson * @throws javax.xml.transform.TransformerException 1199f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson */ 1209f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson public NodeList nodelist() throws javax.xml.transform.TransformerException 1219f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson { 1229f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson return (m_origObj instanceof NodeList) 1239f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson ? (NodeList)m_origObj : super.nodelist(); 1249f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson } 1259f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1269f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1279f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson 1289f8118474e9513f7a5b7d2a05e4a0fb15d1a6569Jesse Wilson} 129