/* * 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: ElemComment.java 468643 2006-10-28 06:56:03Z minchau $ */ package org.apache.xalan.templates; import javax.xml.transform.TransformerException; import org.apache.xalan.res.XSLTErrorResources; import org.apache.xalan.transformer.TransformerImpl; /** * Implement xsl:comment. *
 * 
 * 
 * 
* @see section-Creating-Comments in XSLT Specification * @xsl.usage advanced */ public class ElemComment extends ElemTemplateElement { static final long serialVersionUID = -8813199122875770142L; /** * 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_COMMENT; } /** * Return the node name. * * @return This element's name */ public String getNodeName() { return Constants.ELEMNAME_COMMENT_STRING; } /** * Execute the xsl:comment transformation * * * @param transformer non-null reference to the the current transform-time state. * * @throws TransformerException */ public void execute( TransformerImpl transformer) throws TransformerException { try { // Note the content model is: // String data = transformer.transformToString(this); transformer.getResultTreeHandler().comment(data); } catch(org.xml.sax.SAXException se) { throw new TransformerException(se); } } /** * Add a child to the child list. * * @param newChild Child to add to this node's child list * * @return Child that was just added to child list * * @throws DOMException */ public ElemTemplateElement appendChild(ElemTemplateElement newChild) { int type = ((ElemTemplateElement) newChild).getXSLToken(); switch (type) { // char-instructions case Constants.ELEMNAME_TEXTLITERALRESULT : case Constants.ELEMNAME_APPLY_TEMPLATES : case Constants.ELEMNAME_APPLY_IMPORTS : case Constants.ELEMNAME_CALLTEMPLATE : case Constants.ELEMNAME_FOREACH : case Constants.ELEMNAME_VALUEOF : case Constants.ELEMNAME_COPY_OF : case Constants.ELEMNAME_NUMBER : case Constants.ELEMNAME_CHOOSE : case Constants.ELEMNAME_IF : case Constants.ELEMNAME_TEXT : case Constants.ELEMNAME_COPY : case Constants.ELEMNAME_VARIABLE : case Constants.ELEMNAME_MESSAGE : // instructions // case Constants.ELEMNAME_PI: // case Constants.ELEMNAME_COMMENT: // case Constants.ELEMNAME_ELEMENT: // case Constants.ELEMNAME_ATTRIBUTE: break; default : error(XSLTErrorResources.ER_CANNOT_ADD, new Object[]{ newChild.getNodeName(), this.getNodeName() }); //"Can not add " +((ElemTemplateElement)newChild).m_elemName + //" to " + this.m_elemName); } return super.appendChild(newChild); } }