/*******************************************************************************
* Copyright 2010 Simon Mieth
*
* 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.kabeja.cocoon.transformation;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import org.apache.avalon.framework.parameters.ParameterException;
import org.apache.avalon.framework.parameters.Parameterizable;
import org.apache.avalon.framework.parameters.Parameters;
import org.apache.cocoon.ProcessingException;
import org.apache.cocoon.environment.SourceResolver;
import org.apache.cocoon.transformation.AbstractTransformer;
import org.apache.cocoon.util.ClassUtils;
import org.kabeja.xml.SAXFilter;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* @author <a href="mailto:simon.mieth@gmx.de>Simon Mieth</a>
*
*/
public class SAXFilter2TransformerAdapter extends AbstractTransformer
implements Parameterizable {
public static final String PARAMETER_SAXFILTER_CLASS = "filter.class";
protected SAXFilter filter;
public void parameterize(Parameters arg0) throws ParameterException {
try {
String clazz = arg0.getParameter(PARAMETER_SAXFILTER_CLASS);
if (clazz != null) {
this.filter = (SAXFilter) ClassUtils.newInstance(clazz);
} else {
throw new ParameterException("Missing filter.class parameter");
}
} catch (Exception e) {
e.printStackTrace();
this.getLogger().error(e.getLocalizedMessage());
throw new ParameterException(e.getLocalizedMessage());
}
}
public void setup(SourceResolver arg0, Map arg1, String arg2,
Parameters arg3) throws ProcessingException, SAXException, IOException {
this.filter.setContentHandler(this.xmlConsumer);
Map properties = new HashMap();
String[] parameters = arg3.getNames();
try {
for (int i = 0; i < parameters.length; i++) {
properties.put(parameters[i], arg3.getParameter(parameters[i]));
}
} catch (ParameterException e) {
this.getLogger().error(e.getLocalizedMessage());
}
this.filter.setProperties(properties);
}
public void characters(char[] arg0, int arg1, int arg2)
throws SAXException {
this.filter.characters(arg0, arg1, arg2);
}
public void endDocument() throws SAXException {
this.filter.endDocument();
}
public void endElement(String arg0, String arg1, String arg2)
throws SAXException {
this.filter.endElement(arg0, arg1, arg2);
}
public void endPrefixMapping(String arg0) throws SAXException {
this.filter.endPrefixMapping(arg0);
}
public void ignorableWhitespace(char[] arg0, int arg1, int arg2)
throws SAXException {
this.filter.ignorableWhitespace(arg0, arg1, arg2);
}
public void processingInstruction(String arg0, String arg1)
throws SAXException {
this.filter.processingInstruction(arg0, arg1);
}
public void skippedEntity(String arg0) throws SAXException {
this.filter.skippedEntity(arg0);
}
public void startElement(String arg0, String arg1, String arg2,
Attributes arg3) throws SAXException {
this.filter.startElement(arg0, arg1, arg2, arg3);
}
public void startPrefixMapping(String arg0, String arg1)
throws SAXException {
this.filter.startPrefixMapping(arg0, arg1);
}
public void startDocument() throws SAXException {
this.filter.setContentHandler(this.xmlConsumer);
this.filter.startDocument();
}
}