stephan 2002/08/20 06:46:25
Added: src/java/org/apache/cocoon/components/profiler
ProfilingSAXBufferConnector.java
Log:
Never trust a statistic, which you haven't falsified yourself.
Revision Changes Path
1.1
xml-cocoon2/src/java/org/apache/cocoon/components/profiler/ProfilingSAXBufferConnector.java
Index: ProfilingSAXBufferConnector.java
===================================================================
/*
============================================================================
The Apache Software License, Version 1.1
============================================================================
Copyright (C) 1999-2002 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
include the following acknowledgment: "This product includes software
developed by the Apache Software Foundation (http://www.apache.org/)."
Alternately, this acknowledgment may appear in the software itself, if
and wherever such third-party acknowledgments normally appear.
4. The names "Apache Cocoon" and "Apache Software Foundation" must not be
used to endorse or promote products derived from this software without
prior written permission. For written permission, please contact
[EMAIL PROTECTED]
5. Products derived from this software may not be called "Apache", nor may
"Apache" appear in their name, without prior written permission of the
Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This software consists of voluntary contributions made by many individuals
on behalf of the Apache Software Foundation and was originally created by
Stefano Mazzocchi <[EMAIL PROTECTED]>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.cocoon.components.profiler;
import org.apache.cocoon.components.sax.XMLDeserializer;
import org.apache.cocoon.components.sax.XMLByteStreamCompiler;
import org.apache.cocoon.components.sax.XMLByteStreamInterpreter;
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.
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Stephan Michels</a>
* @version CVS $Id: ProfilingSAXBufferConnector.java,v 1.1 2002/08/20 13:46:25
stephan Exp $
*/
public class ProfilingSAXBufferConnector implements XMLPipe {
private XMLConsumer consumer;
private ProfilerData data;
private int index;
private long time;
private long total;
private XMLDeserializer deserializer;
private XMLSerializer serializer;
/**
* Setup this SAXConnector.
*/
public void setup(int index, ProfilerData data) {
this.index = index;
this.data = data;
deserializer = new XMLByteStreamInterpreter();
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 {
time = System.currentTimeMillis(); // Startup time
serializer.startDocument();
}
public void endDocument() throws SAXException {
total = System.currentTimeMillis() - time;
serializer.endDocument();
if(index != -1)
data.setTime(index, total);
// push the content of the buffer through the next component
Object fragment = this.serializer.getSAXFragment();
this.deserializer.setConsumer(this.consumer);
this.deserializer.deserialize(fragment);
}
public void setDocumentLocator(Locator locator) {
serializer.setDocumentLocator(locator);
}
public void startPrefixMapping(String prefix, String uri)
throws SAXException {
serializer.startPrefixMapping(prefix, uri);
}
public void endPrefixMapping(String prefix) throws SAXException {
serializer.endPrefixMapping(prefix);
}
public void startElement(String uri, String loc, String raw, Attributes a)
throws SAXException {
serializer.startElement(uri, loc, raw, a);
}
public void endElement(String uri, String loc, String raw) throws SAXException {
serializer.endElement(uri, loc, raw);
}
public void characters(char c[], int start, int len) throws SAXException {
serializer.characters(c, start, len);
}
public void ignorableWhitespace(char c[], int start, int len) throws
SAXException {
serializer.ignorableWhitespace(c, start, len);
}
public void processingInstruction(String target, String data) throws
SAXException {
serializer.processingInstruction(target, data);
}
public void skippedEntity(String name) throws SAXException {
serializer.skippedEntity(name);
}
public void startDTD(String name, String publicId, String systemId) throws
SAXException {
serializer.startDTD(name, publicId, systemId);
}
public void endDTD() throws SAXException {
serializer.endDTD();
}
public void startEntity(String name) throws SAXException {
serializer.startEntity(name);
}
public void endEntity(String name) throws SAXException {
serializer.endEntity(name);
}
public void startCDATA() throws SAXException {
serializer.startCDATA();
}
public void endCDATA() throws SAXException {
serializer.endCDATA();
}
public void comment(char ch[], int start, int len) throws SAXException {
serializer.comment(ch, start, len);
}
}
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