| /* |
| * 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: ElemCopy.java 468643 2006-10-28 06:56:03Z minchau $ |
| */ |
| package org.apache.xalan.templates; |
| |
| import javax.xml.transform.TransformerException; |
| |
| import org.apache.xalan.transformer.ClonerToResultTree; |
| import org.apache.xalan.transformer.TransformerImpl; |
| import org.apache.xml.dtm.DTM; |
| import org.apache.xalan.serialize.SerializerUtils; |
| import org.apache.xml.serializer.SerializationHandler; |
| import org.apache.xpath.XPathContext; |
| |
| /** |
| * Implement xsl:copy. |
| * <pre> |
| * <!ELEMENT xsl:copy %template;> |
| * <!ATTLIST xsl:copy |
| * %space-att; |
| * use-attribute-sets %qnames; #IMPLIED |
| * > |
| * </pre> |
| * @see <a href="http://www.w3.org/TR/xslt#copying">copying in XSLT Specification</a> |
| * @xsl.usage advanced |
| */ |
| public class ElemCopy extends ElemUse |
| { |
| static final long serialVersionUID = 5478580783896941384L; |
| |
| /** |
| * Get an int constant identifying the type of element. |
| * @see org.apache.xalan.templates.Constants |
| * |
| * @return The token ID for this element |
| */ |
| public int getXSLToken() |
| { |
| return Constants.ELEMNAME_COPY; |
| } |
| |
| /** |
| * Return the node name. |
| * |
| * @return This element's name |
| */ |
| public String getNodeName() |
| { |
| return Constants.ELEMNAME_COPY_STRING; |
| } |
| |
| /** |
| * The xsl:copy element provides an easy way of copying the current node. |
| * Executing this function creates a copy of the current node into the |
| * result tree. |
| * <p>The namespace nodes of the current node are automatically |
| * copied as well, but the attributes and children of the node are not |
| * automatically copied. The content of the xsl:copy element is a |
| * template for the attributes and children of the created node; |
| * the content is instantiated only for nodes of types that can have |
| * attributes or children (i.e. root nodes and element nodes).</p> |
| * <p>The root node is treated specially because the root node of the |
| * result tree is created implicitly. When the current node is the |
| * root node, xsl:copy will not create a root node, but will just use |
| * the content template.</p> |
| * |
| * @param transformer non-null reference to the the current transform-time state. |
| * |
| * @throws TransformerException |
| */ |
| public void execute( |
| TransformerImpl transformer) |
| throws TransformerException |
| { |
| XPathContext xctxt = transformer.getXPathContext(); |
| |
| try |
| { |
| int sourceNode = xctxt.getCurrentNode(); |
| xctxt.pushCurrentNode(sourceNode); |
| DTM dtm = xctxt.getDTM(sourceNode); |
| short nodeType = dtm.getNodeType(sourceNode); |
| |
| if ((DTM.DOCUMENT_NODE != nodeType) && (DTM.DOCUMENT_FRAGMENT_NODE != nodeType)) |
| { |
| SerializationHandler rthandler = transformer.getSerializationHandler(); |
| |
| // TODO: Process the use-attribute-sets stuff |
| ClonerToResultTree.cloneToResultTree(sourceNode, nodeType, dtm, |
| rthandler, false); |
| |
| if (DTM.ELEMENT_NODE == nodeType) |
| { |
| super.execute(transformer); |
| SerializerUtils.processNSDecls(rthandler, sourceNode, nodeType, dtm); |
| transformer.executeChildTemplates(this, true); |
| |
| String ns = dtm.getNamespaceURI(sourceNode); |
| String localName = dtm.getLocalName(sourceNode); |
| transformer.getResultTreeHandler().endElement(ns, localName, |
| dtm.getNodeName(sourceNode)); |
| } |
| } |
| else |
| { |
| super.execute(transformer); |
| transformer.executeChildTemplates(this, true); |
| } |
| } |
| catch(org.xml.sax.SAXException se) |
| { |
| throw new TransformerException(se); |
| } |
| finally |
| { |
| xctxt.popCurrentNode(); |
| } |
| } |
| } |