/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed 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.
*/
package org.apache.cocoon.transformation;
import java.io.IOException;
import java.io.Serializable;
import java.util.Map;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.ProcessingException;
import org.apache.cocoon.caching.CacheableProcessingComponent;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.cocoon.xml.AttributesImpl;
import org.apache.excalibur.source.SourceValidity;
import org.apache.excalibur.source.impl.validity.NOPValidity;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* @cocoon.sitemap.component.documentation
* The <code>StripNameSpacesTransformer</code> is a class that can be plugged into a pipeline
* to strip all namespaces from a SAX stream. It is much faster (certainly for larger
* streams, but easily factor 100) then the conventional stripnamespaces.xsl
*
* @cocoon.sitemap.component.name stripnamespaces
* @cocoon.sitemap.component.logger sitemap.transformer.stripnamespaces
*
* @cocoon.sitemap.component.pooling.max 32
*
* @version $Id: StripNameSpacesTransformer.java 805799 2009-08-19 13:36:42Z jasha $
* @author ard schrijvers
*
*/
public class StripNameSpacesTransformer extends AbstractTransformer implements
CacheableProcessingComponent {
private static final String EMPTY_NS = "";
public void setup(SourceResolver resolver, Map objectModel, String src,
Parameters params) throws ProcessingException, SAXException,
IOException {
// nothing needed
}
public void startPrefixMapping(String prefix, String uri)
throws SAXException {
// no prefix
}
public void endPrefixMapping(String prefix) throws SAXException {
// no prefix
}
public void startElement(String uri, String localName, String qName,
Attributes attr) throws SAXException {
AttributesImpl l_attr = new AttributesImpl();
String attrName;
String attrValue;
String attrType;
for (int i = 0; i < attr.getLength(); i++) {
attrName = attr.getLocalName(i);
attrValue = attr.getValue(i);
attrType = attr.getType(i);
if (attrValue != null) {
l_attr.addAttribute(EMPTY_NS, attrName, attrName, attrType, attrValue);
}
}
super.startElement(EMPTY_NS, localName, localName, l_attr);
}
public void endElement(String uri, String localName, String qName)
throws SAXException {
super.endElement(EMPTY_NS, localName, localName);
}
public Serializable getKey() {
return "1";
}
public SourceValidity getValidity() {
return NOPValidity.SHARED_INSTANCE;
}
}