| /* Copyright 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.xmlbeans.test.performance.xerces; |
| |
| //import java.io.File; |
| import java.io.BufferedInputStream; |
| import java.io.ByteArrayInputStream; |
| |
| import javax.xml.parsers.SAXParser; |
| import javax.xml.parsers.SAXParserFactory; |
| |
| import org.apache.xmlbeans.test.performance.utils.Constants; |
| import org.apache.xmlbeans.test.performance.utils.PerfUtil; |
| import org.xml.sax.Attributes; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.helpers.DefaultHandler; |
| |
| |
| public class BisLoadXercesSax |
| { |
| public static void main(String[] args) throws Exception |
| { |
| final int iterations = Constants.CURSOR_ITERATIONS; |
| String flavor; |
| |
| if(args.length == 0) |
| flavor = "deep-attributes"; |
| else |
| flavor = args[0]; |
| |
| |
| BisLoadXercesSax test = new BisLoadXercesSax(); |
| PerfUtil util = new PerfUtil(); |
| long cputime; |
| int hash = 0; |
| |
| // get the buffered input stram |
| byte[] bytes = util.createXmlDataBytes(flavor, Constants.XML_SIZE); |
| |
| // warm up the vm |
| cputime = System.currentTimeMillis(); |
| for(int i=0; i<iterations; i++){ |
| hash += test.run(new BufferedInputStream(new ByteArrayInputStream(bytes) )); |
| } |
| cputime = System.currentTimeMillis() - cputime; |
| |
| // run it again for the real measurement |
| cputime = System.currentTimeMillis(); |
| for(int i=0; i<iterations; i++){ |
| hash += test.run(new BufferedInputStream(new ByteArrayInputStream(bytes) )); |
| } |
| cputime = System.currentTimeMillis() - cputime; |
| |
| |
| // print the results |
| // Class.getSimpleName() is only provided in jdk1.5, so have to trim package name off test name for logging to support 1.4 |
| System.out.print(Constants.DELIM+test.getClass().getName().substring(test.getClass().getName().lastIndexOf('.')+1)+" flavor="+flavor+" "); |
| System.out.print("hash "+hash+" "); |
| System.out.print("time "+cputime+"\n"); |
| } |
| |
| private int run(BufferedInputStream bis) throws Exception |
| { |
| // create the input source from the bis |
| InputSource is = new InputSource(bis); |
| |
| // load the input source |
| SAXParserFactory factory = SAXParserFactory.newInstance(); |
| SAXParser parser = factory.newSAXParser(); |
| MyHandler handler = new MyHandler(); |
| parser.parse(is, handler); |
| |
| // calculate and return the hash |
| return handler.getTagName().length() * 17; |
| } |
| |
| // SAX event handler class |
| public static class MyHandler extends DefaultHandler |
| { |
| private String _tagName; |
| private boolean bDone = false; |
| |
| public String getTagName(){return _tagName;} |
| |
| public void startElement(String uri, |
| String localName, |
| String qName, |
| Attributes attributes) throws SAXException |
| { |
| if (!bDone) |
| { |
| _tagName = qName; |
| bDone = true; |
| } |
| |
| } |
| } |
| |
| } |