Author: bimargulies
Date: Thu Mar 20 12:05:33 2008
New Revision: 639410
URL: http://svn.apache.org/viewvc?rev=639410&view=rev
Log:
a little benchmark for use of FastInfoset.
Added:
incubator/cxf/trunk/benchmark/profiling/src/main/java/org/apache/cxf/profile/FastInfosetExperiment.java
(with props)
Added:
incubator/cxf/trunk/benchmark/profiling/src/main/java/org/apache/cxf/profile/FastInfosetExperiment.java
URL:
http://svn.apache.org/viewvc/incubator/cxf/trunk/benchmark/profiling/src/main/java/org/apache/cxf/profile/FastInfosetExperiment.java?rev=639410&view=auto
==============================================================================
---
incubator/cxf/trunk/benchmark/profiling/src/main/java/org/apache/cxf/profile/FastInfosetExperiment.java
(added)
+++
incubator/cxf/trunk/benchmark/profiling/src/main/java/org/apache/cxf/profile/FastInfosetExperiment.java
Thu Mar 20 12:05:33 2008
@@ -0,0 +1,151 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.cxf.profile;
+
+import com.ctc.wstx.sax.WstxSAXParserFactory;
+import com.sun.xml.fastinfoset.sax.SAXDocumentParser;
+import com.sun.xml.fastinfoset.sax.SAXDocumentSerializer;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
+import javax.xml.parsers.SAXParserFactory;
+import javax.xml.transform.TransformerConfigurationException;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMResult;
+import javax.xml.transform.sax.SAXSource;
+
+import org.w3c.dom.Document;
+
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXNotRecognizedException;
+import org.xml.sax.SAXNotSupportedException;
+import org.xml.sax.XMLReader;
+
+public class FastInfosetExperiment {
+
+ private DocumentBuilder documentBuilder;
+ TransformerFactory transformerFactory;
+ private File fiFile;
+
+ private FastInfosetExperiment() throws ParserConfigurationException {
+ documentBuilder =
DocumentBuilderFactory.newInstance().newDocumentBuilder();
+ transformerFactory = TransformerFactory.newInstance();
+ fiFile = new File("fiTest.fixml");
+ }
+
+ private void dehydrate(InputStream input, OutputStream output) throws
ParserConfigurationException, SAXException, IOException {
+ // Create Fast Infoset SAX serializer
+ SAXDocumentSerializer saxDocumentSerializer = new
SAXDocumentSerializer();
+ // Set the output stream
+ saxDocumentSerializer.setOutputStream(output);
+
+ // Instantiate JAXP SAX parser factory
+ SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
+ /* Set parser to be namespace aware
+ * Very important to do otherwise invalid FI documents will be
+ * created by the SAXDocumentSerializer
+ */
+ saxParserFactory.setNamespaceAware(true);
+ // Instantiate the JAXP SAX parser
+ SAXParser saxParser = saxParserFactory.newSAXParser();
+ // Set the lexical handler
+ saxParser.setProperty("http://xml.org/sax/properties/lexical-handler";,
saxDocumentSerializer);
+ // Parse the XML document and convert to a fast infoset document
+ saxParser.parse(input, saxDocumentSerializer);
+ }
+
+ private void readWithWoodstox() throws SAXException,
TransformerConfigurationException, TransformerException, IOException {
+ InputStream is =
getClass().getResourceAsStream("/META-INF/cxf/cxf.xml");
+ WstxSAXParserFactory woodstoxParserFactory;
+ woodstoxParserFactory = new WstxSAXParserFactory();
+
woodstoxParserFactory.setFeature("http://xml.org/sax/features/namespace-prefixes";,
+ true);
+ SAXParser parser = woodstoxParserFactory.newSAXParser();
+ XMLReader reader = parser.getXMLReader();
+ SAXSource saxSource = new SAXSource(reader, new InputSource(is));
+ Document document;
+ document = documentBuilder.newDocument();
+ DOMResult domResult = new DOMResult(document);
+ transformerFactory.newTransformer().transform(saxSource, domResult);
+ is.close();
+ }
+
+ private void readWithFI() throws TransformerConfigurationException,
TransformerException, IOException {
+ InputStream is = new FileInputStream(fiFile);
+ XMLReader saxReader = new SAXDocumentParser();
+ InputStream in = new BufferedInputStream(is);
+ SAXSource saxSource = new SAXSource(saxReader, new InputSource(in));
+ Document document;
+ document = documentBuilder.newDocument();
+ DOMResult domResult = new DOMResult(document);
+ transformerFactory.newTransformer().transform(saxSource, domResult);
+ is.close();
+ }
+
+ private void benchmark() throws ParserConfigurationException,
SAXException, IOException, TransformerConfigurationException,
TransformerException {
+ InputStream is =
getClass().getResourceAsStream("/META-INF/cxf/cxf.xml");
+ OutputStream os = new FileOutputStream(fiFile);
+ dehydrate(is, os);
+ is.close();
+ os.close();
+
+ long totalTime = 0;
+
+ for(int x = 0; x < 100; x ++) {
+ long startTime = System.nanoTime();
+ readWithWoodstox();
+ long endTime = System.nanoTime();
+ totalTime += endTime - startTime;
+ }
+
+ double averageNanos = totalTime / 100;
+ System.out.println("Woodstox average us: " + averageNanos / 1000);
+
+ totalTime = 0;
+
+ for(int x = 0; x < 100; x ++) {
+ long startTime = System.nanoTime();
+ readWithFI();
+ long endTime = System.nanoTime();
+ totalTime += endTime - startTime;
+ }
+
+ averageNanos = totalTime / 100;
+ System.out.println("FastInfoset average us: " + averageNanos / 1000);
+ }
+
+ public static void main(String[] args) throws Exception {
+ FastInfosetExperiment that = new FastInfosetExperiment();
+ that.benchmark();
+ }
+}
Propchange:
incubator/cxf/trunk/benchmark/profiling/src/main/java/org/apache/cxf/profile/FastInfosetExperiment.java
------------------------------------------------------------------------------
svn:eol-style = native
Propchange:
incubator/cxf/trunk/benchmark/profiling/src/main/java/org/apache/cxf/profile/FastInfosetExperiment.java
------------------------------------------------------------------------------
svn:keywords = Rev Date
