1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 /* 19 * $Id: FuncDoclocation.java 468655 2006-10-28 07:12:06Z minchau $ 20 */ 21 package org.apache.xpath.functions; 22 23 import org.apache.xml.dtm.DTM; 24 import org.apache.xpath.XPathContext; 25 import org.apache.xpath.objects.XObject; 26 import org.apache.xpath.objects.XString; 27 28 /** 29 * Execute the proprietary document-location() function, which returns 30 * a node set of documents. 31 * @xsl.usage advanced 32 */ 33 public class FuncDoclocation extends FunctionDef1Arg 34 { 35 static final long serialVersionUID = 7469213946343568769L; 36 37 /** 38 * Execute the function. The function must return 39 * a valid object. 40 * @param xctxt The current execution context. 41 * @return A valid XObject. 42 * 43 * @throws javax.xml.transform.TransformerException 44 */ execute(XPathContext xctxt)45 public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException 46 { 47 48 int whereNode = getArg0AsNode(xctxt); 49 String fileLocation = null; 50 51 if (DTM.NULL != whereNode) 52 { 53 DTM dtm = xctxt.getDTM(whereNode); 54 55 // %REVIEW% 56 if (DTM.DOCUMENT_FRAGMENT_NODE == dtm.getNodeType(whereNode)) 57 { 58 whereNode = dtm.getFirstChild(whereNode); 59 } 60 61 if (DTM.NULL != whereNode) 62 { 63 fileLocation = dtm.getDocumentBaseURI(); 64 // int owner = dtm.getDocument(); 65 // fileLocation = xctxt.getSourceTreeManager().findURIFromDoc(owner); 66 } 67 } 68 69 return new XString((null != fileLocation) ? fileLocation : ""); 70 } 71 } 72