org.apache.xalan.templates.ElemComment Maven / Gradle / Ivy
/*
* 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);
}
}