| /* 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.CharArrayReader; |
| |
| 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 POReadAllXercesSax |
| { |
| public static void main(String[] args) throws Exception |
| { |
| |
| final int iterations = Constants.ITERATIONS; |
| String filename; |
| |
| if(args.length == 0){ |
| filename = Constants.PO_INSTANCE_1; |
| } |
| else if(args[0].length() > 1){ |
| filename = Constants.XSD_DIR+Constants.P+args[0]; |
| } |
| else{ |
| switch( Integer.parseInt(args[0]) ) |
| { |
| case 1: filename = Constants.PO_INSTANCE_1; break; |
| case 2: filename = Constants.PO_INSTANCE_2; break; |
| case 3: filename = Constants.PO_INSTANCE_3; break; |
| case 4: filename = Constants.PO_INSTANCE_4; break; |
| case 5: filename = Constants.PO_INSTANCE_5; break; |
| case 6: filename = Constants.PO_INSTANCE_6; break; |
| case 7: filename = Constants.PO_INSTANCE_7; break; |
| default: filename = Constants.PO_INSTANCE_1; break; |
| } |
| } |
| |
| POReadAllXercesSax test = new POReadAllXercesSax(); |
| PerfUtil util = new PerfUtil(); |
| long cputime; |
| int hash = 0; |
| |
| // get the xmlinstance |
| char[] chars = util.fileToChars(filename); |
| |
| // warm up the vm |
| cputime = System.currentTimeMillis(); |
| for(int i=0; i<iterations; i++){ |
| CharArrayReader reader = new CharArrayReader(chars); |
| hash += test.run(reader); |
| } |
| cputime = System.currentTimeMillis() - cputime; |
| |
| // run it again for the real measurement |
| cputime = System.currentTimeMillis(); |
| for(int i=0; i<iterations; i++){ |
| CharArrayReader reader = new CharArrayReader(chars); |
| hash += test.run(reader); |
| } |
| 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)+" filesize="+chars.length+" "); |
| System.out.print("hash "+hash+" "); |
| System.out.print("time "+cputime+"\n"); |
| } |
| |
| private int run(CharArrayReader reader) throws Exception |
| { |
| // "unmarshall" the xml instance |
| InputSource is = new InputSource(reader); |
| SAXParserFactory factory = SAXParserFactory.newInstance(); |
| factory.setNamespaceAware(true); |
| factory.setValidating(false); |
| SAXParser parser = factory.newSAXParser(); |
| MyHandler handler = new MyHandler(); |
| // the handler will tally the string length sum |
| parser.parse(is, handler); |
| |
| return handler.getStringLengthSum(); |
| } |
| |
| // SAX event handler class |
| public static class MyHandler extends DefaultHandler |
| { |
| private int iStringSum = 0; |
| private float sum = 0; |
| private boolean inStringForSum = false; |
| private boolean inPrice = false; |
| |
| public void startElement(String uri, |
| String localName, |
| String qName, |
| Attributes attributes) throws SAXException |
| { |
| |
| if(uri.compareTo(Constants.PO_NS) == 0 && |
| (localName.compareTo(Constants.sAddress) == 0 || |
| localName.compareTo(Constants.sName) == 0 || |
| localName.compareTo(Constants.sDesc) == 0) ) |
| { |
| inStringForSum = true; |
| return; |
| } |
| |
| if(uri.compareTo(Constants.PO_NS) == 0 && |
| localName.compareTo(Constants.sPrice) == 0) |
| { |
| inPrice = true; |
| return; |
| } |
| |
| } |
| |
| public void endElement(String uri, |
| String localName, |
| String qName) throws SAXException |
| { |
| if(uri.compareTo(Constants.PO_NS) == 0 && |
| (localName.compareTo(Constants.sAddress) == 0 || |
| localName.compareTo(Constants.sName) == 0 || |
| localName.compareTo(Constants.sDesc) == 0) ) |
| { |
| inStringForSum = false; |
| return; |
| } |
| |
| if(uri.compareTo(Constants.PO_NS) == 0 && |
| localName.compareTo(Constants.sPrice) == 0) |
| { |
| inPrice = false; |
| return; |
| } |
| |
| } |
| |
| public void characters(char[] ch, |
| int start, |
| int length) throws SAXException |
| { |
| if(inStringForSum){ |
| //System.out.println("characters length = "+length); |
| iStringSum += length; |
| } |
| else if(inPrice){ |
| sum += Float.parseFloat(new String(ch,start,length)); |
| } |
| } |
| |
| public int getStringLengthSum(){return iStringSum;} |
| } |
| } |