| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| /* |
| * $Id: FuncDoclocation.java 468655 2006-10-28 07:12:06Z minchau $ |
| */ |
| package org.apache.xpath.functions; |
| |
| import org.apache.xml.dtm.DTM; |
| import org.apache.xpath.XPathContext; |
| import org.apache.xpath.objects.XObject; |
| import org.apache.xpath.objects.XString; |
| |
| /** |
| * Execute the proprietary document-location() function, which returns |
| * a node set of documents. |
| * @xsl.usage advanced |
| */ |
| public class FuncDoclocation extends FunctionDef1Arg |
| { |
| static final long serialVersionUID = 7469213946343568769L; |
| |
| /** |
| * Execute the function. The function must return |
| * a valid object. |
| * @param xctxt The current execution context. |
| * @return A valid XObject. |
| * |
| * @throws javax.xml.transform.TransformerException |
| */ |
| public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException |
| { |
| |
| int whereNode = getArg0AsNode(xctxt); |
| String fileLocation = null; |
| |
| if (DTM.NULL != whereNode) |
| { |
| DTM dtm = xctxt.getDTM(whereNode); |
| |
| // %REVIEW% |
| if (DTM.DOCUMENT_FRAGMENT_NODE == dtm.getNodeType(whereNode)) |
| { |
| whereNode = dtm.getFirstChild(whereNode); |
| } |
| |
| if (DTM.NULL != whereNode) |
| { |
| fileLocation = dtm.getDocumentBaseURI(); |
| // int owner = dtm.getDocument(); |
| // fileLocation = xctxt.getSourceTreeManager().findURIFromDoc(owner); |
| } |
| } |
| |
| return new XString((null != fileLocation) ? fileLocation : ""); |
| } |
| } |