| /*** |
| * ASM XML Adapter |
| * Copyright (c) 2004, Eugene Kuleshov |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, 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. Neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS 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 COPYRIGHT OWNER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, 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. |
| */ |
| package org.objectweb.asm.xml; |
| |
| import java.io.BufferedInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.net.URL; |
| |
| import javax.xml.transform.Source; |
| import javax.xml.transform.stream.StreamSource; |
| |
| /** |
| * Performance test suite for ASM XML |
| * |
| * @author Eugene Kuleshov |
| */ |
| public class XMLPerfTest { |
| |
| private static final String[] ENGINES = { |
| "jd.xml.xslt.trax.TransformerFactoryImpl", |
| "net.sf.saxon.TransformerFactoryImpl", |
| "org.apache.xalan.processor.TransformerFactoryImpl", }; |
| |
| private static final String[] TEMPLATES = { |
| "copy.xsl", |
| "linenumbers.xsl", |
| "profile.xsl", }; |
| |
| public static void main(String[] args) throws Exception { |
| System.err.println("Comparing XSLT performance for ASM XSLT"); |
| System.err.println("This may take 20 to 30 minutes\n"); |
| |
| File examplesDir = new File(args[0]); |
| if (!examplesDir.isDirectory()) { |
| System.err.println(args[0] + " must be directory"); |
| return; |
| } |
| |
| // File[] templates = examplesDir.listFiles(new FilenameFilter() { |
| // public boolean accept(File dir, String name) { |
| // return name.endsWith(".xsl"); |
| // } |
| // }); |
| |
| for (int i = 0; i < ENGINES.length; i++) { |
| System.err.println(ENGINES[i]); |
| process(null, ENGINES[i]); |
| for (int j = 0; j < TEMPLATES.length; j++) { |
| process(new File(examplesDir, TEMPLATES[j]).getAbsolutePath(), |
| ENGINES[i]); |
| } |
| System.err.println(); |
| } |
| |
| } |
| |
| private static void process(String name, String engine) throws Exception { |
| System.setProperty("javax.xml.transform.TransformerFactory", engine); |
| processRep(name, Processor.BYTECODE); |
| processRep(name, Processor.MULTI_XML); |
| processRep(name, Processor.SINGLE_XML); |
| } |
| |
| // private static void processEntry( |
| // String className, |
| // TransformerHandler handler) throws Exception |
| // { |
| // byte[] classData = getCode(new URL(className).openStream()); |
| // ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| // |
| // handler.setResult(new SAXResult(new ASMContentHandler(bos, false))); |
| // |
| // ClassReader cr = new ClassReader(classData); |
| // cr.accept(new SAXClassAdapter(handler, cr.getVersion(), false), false); |
| // } |
| // |
| // private static byte[] getCode(InputStream is) throws IOException { |
| // ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| // byte[] buff = new byte[1024]; |
| // int n = -1; |
| // while ((n = is.read(buff)) > -1) |
| // bos.write(buff, 0, n); |
| // return bos.toByteArray(); |
| // } |
| |
| private static void processRep(String name, int outRep) { |
| long l1 = System.currentTimeMillis(); |
| int n = 0; |
| try { |
| Class c = XMLPerfTest.class; |
| String u = c.getResource("/java/lang/String.class").toString(); |
| final InputStream is = new BufferedInputStream(new URL(u.substring(4, |
| u.indexOf('!'))).openStream()); |
| final OutputStream os = new IgnoringOutputStream(); |
| final StreamSource xslt = name == null |
| ? null |
| : new StreamSource(new FileInputStream(name)); |
| |
| Processor p = new DotObserver(Processor.BYTECODE, |
| outRep, |
| is, |
| os, |
| xslt); |
| n = p.process(); |
| |
| } catch (Exception ex) { |
| System.err.println(); |
| // ex.printStackTrace(); |
| System.err.println(ex); |
| |
| } |
| |
| long l2 = System.currentTimeMillis(); |
| |
| System.err.println(); |
| System.err.println(" " + outRep + " " + name + " " + (l2 - l1) |
| + "ms " + (1000f * n / (l2 - l1))); |
| |
| // SAXTransformerFactory saxtf = (SAXTransformerFactory) |
| // TransformerFactory.newInstance(); |
| // Templates templates = saxtf.newTemplates(xslt); |
| // |
| // ZipEntry ze = null; |
| // int max = 10000; |
| // while ((ze = zis.getNextEntry()) != null && max > 0) { |
| // if (ze.getName().endsWith(".class")) { |
| // processEntry(u.substring(0, n + 2).concat(ze.getName()), |
| // saxtf.newTransformerHandler(templates)); |
| // max--; |
| // } |
| // } |
| } |
| |
| private static final class DotObserver extends Processor { |
| private int n = 0; |
| |
| public DotObserver( |
| int inRepresenation, |
| int outRepresentation, |
| InputStream input, |
| OutputStream output, |
| Source xslt) |
| { |
| super(inRepresenation, outRepresentation, input, output, xslt); |
| } |
| |
| public void update(Object arg) { |
| n++; |
| if ((n % 1000) == 0) { |
| System.err.print("" + (n / 1000)); |
| } else if ((n % 100) == 0) { |
| System.err.print("."); |
| } |
| } |
| } |
| |
| private static final class IgnoringOutputStream extends OutputStream { |
| |
| public final void write(int b) throws IOException { |
| } |
| |
| public final void write(byte[] b) throws IOException { |
| } |
| |
| public final void write(byte[] b, int off, int len) throws IOException { |
| } |
| } |
| } |