/*
* 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.components.profiler;
import org.apache.cocoon.components.sax.XMLByteStreamCompiler;
import org.apache.cocoon.components.sax.XMLByteStreamInterpreter;
import org.apache.cocoon.components.sax.XMLDeserializer;
import org.apache.cocoon.components.sax.XMLSerializer;
import org.apache.cocoon.xml.XMLConsumer;
import org.apache.cocoon.xml.XMLPipe;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
/**
* This SAX connector measures time taken by each Sitemap component. This
* class use the XMLSerializer/Interpreter to buffer the output, and to
* seperate the measurement of the time. The SAX fragments were also stored
* into the ProfilerData.
*
* @author <a href="mailto:stephan@apache.org">Stephan Michels</a>
* @author <a href="mailto:bruno@outerthought.org">Bruno Dumon</a>
* @version CVS $Id: ProfilingXMLPipe.java,v 1.3 2004/03/05 13:02:20 bdelacretaz Exp $
*/
public class ProfilingXMLPipe implements XMLPipe {
private XMLConsumer consumer;
// Data of the profile
private ProfilerData data;
// Index of the component
private int index;
// Start time
private long time;
// Time difference
private long total;
private XMLDeserializer deserializer;
private XMLSerializer serializer;
/**
* Setup this XMLPipe.
*
* @param index Index of the component.
* @param data Data of the profile.
*/
public void setup(int index, ProfilerData data) {
this.index = index;
this.data = data;
// FIXME Retrieve components from the CM
this.deserializer = new XMLByteStreamInterpreter();
this.serializer = new XMLByteStreamCompiler();
}
/**
* Set the <code>XMLConsumer</code> that will receive XML data.
*/
public void setConsumer(XMLConsumer consumer) {
this.consumer = consumer;
}
public void startDocument() throws SAXException {
this.time = System.currentTimeMillis(); // Startup time
this.serializer.startDocument();
}
public void endDocument() throws SAXException {
this.total = System.currentTimeMillis() - this.time;
this.serializer.endDocument();
if (this.index != -1)
this.data.setProcessingTime(this.index, this.total);
// push the content of the buffer through the next component
Object fragment = this.serializer.getSAXFragment();
if (this.index != -1)
this.data.setSAXFragment(this.index, fragment);
this.deserializer.setConsumer(this.consumer);
this.time = System.currentTimeMillis(); // Startup time
this.deserializer.deserialize(fragment);
this.total = System.currentTimeMillis() - this.time;
if ((this.index != -1) && (this.index==(this.data.getCount()-2)))
this.data.setProcessingTime(this.index+1, this.total);
}
public void setDocumentLocator(Locator locator) {
this.serializer.setDocumentLocator(locator);
}
public void startPrefixMapping(String prefix, String uri) throws SAXException {
this.serializer.startPrefixMapping(prefix, uri);
}
public void endPrefixMapping(String prefix) throws SAXException {
this.serializer.endPrefixMapping(prefix);
}
public void startElement(String uri, String loc, String raw, Attributes a) throws SAXException {
this.serializer.startElement(uri, loc, raw, a);
}
public void endElement(String uri, String loc, String raw) throws SAXException {
this.serializer.endElement(uri, loc, raw);
}
public void characters(char c[], int start, int len) throws SAXException {
this.serializer.characters(c, start, len);
}
public void ignorableWhitespace(char c[], int start, int len) throws SAXException {
this.serializer.ignorableWhitespace(c, start, len);
}
public void processingInstruction(String target, String data) throws SAXException {
this.serializer.processingInstruction(target, data);
}
public void skippedEntity(String name) throws SAXException {
this.serializer.skippedEntity(name);
}
public void startDTD(String name, String publicId, String systemId) throws SAXException {
this.serializer.startDTD(name, publicId, systemId);
}
public void endDTD() throws SAXException {
this.serializer.endDTD();
}
public void startEntity(String name) throws SAXException {
this.serializer.startEntity(name);
}
public void endEntity(String name) throws SAXException {
this.serializer.endEntity(name);
}
public void startCDATA() throws SAXException {
this.serializer.startCDATA();
}
public void endCDATA() throws SAXException {
this.serializer.endCDATA();
}
public void comment(char ch[], int start, int len) throws SAXException {
this.serializer.comment(ch, start, len);
}
}