/* 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.impl.xpath.jaxen;
import org.jaxen.XPath;
import org.jaxen.JaxenException;
import org.apache.xmlbeans.XmlObject;
import org.apache.xmlbeans.XmlCursor;
import org.apache.xmlbeans.XmlBeans;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.impl.xpath.jaxen.XBeansXPath;
import java.util.List;
import java.util.Iterator;
import java.io.File;
import java.io.IOException;
/**
* Author: Cezar Andrei (cezar.andrei at bea.com)
* Date: Oct 10, 2003
*/
public class XPathPerf
{
public static void main(String[] args)
{
try
{
String xpathStr;
File file;
if (args.length!=2)
{
System.out.println("Usage: XBeansDemo file.xml xpath");
return;
}
else
{
file = new File(args[0]);
xpathStr = args[1];
}
//test1(xpathStr, file);
//test2(xpathStr, file);
// test3t(xpathStr, file);
// test3(xpathStr, file);
// test4(file);
test5();
}
catch (Exception e)
{
e.printStackTrace();
}
}
private static void test1(String xpathStr, File file)
{
System.out.println("\n ----- test1: XBeansXPath.selectNodes(xpathStr) Navigator: XmlBookmarks + 1 XmlCursor embeded in Navigator -----");
try
{
XmlObject doc = XmlObject.Factory.parse(file);
XPath xpath = new XBeansXPath(xpathStr);
XmlCursor xc = doc.newCursor();
List results = xpath.selectNodes(xc);
Iterator resultIter = results.iterator();
// System.out.println("Document :: " + doc );
System.out.println(" XPath :: " + xpath );
System.out.println("");
System.out.println("Results" );
System.out.println("----------------------------------");
while ( resultIter.hasNext() )
{
xc = (XmlCursor)resultIter.next();
System.out.println( xc );
}
System.out.println("----------------------------------");
System.out.println(results.size() );
}
catch (XmlException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
catch (JaxenException e)
{
e.printStackTrace();
}
}
private static void test2(String xpathStr, File file)
{
System.out.println("\n ----- test2: XBeansXPath.selectNodes(xpathStr) Navigator: XmlBookmarks + 1 XmlCursor embeded in Navigator -----");
try
{
XmlObject doc = XmlObject.Factory.parse(file);
XPath xpath = new XBeansXPath(xpathStr);
XmlCursor docXC = doc.newCursor();
long start = System.currentTimeMillis();
int count = 0;
for (int j = 0; j < 10; j++)
{
long start2 = System.currentTimeMillis();
for (int i = 0; i < 100; i++)
{
XmlCursor speaker = (XmlCursor)xpath.selectSingleNode(docXC);
count += (speaker == null ? 0 : 1);
}
//System.out.println((j*100) + " \t" + (System.currentTimeMillis()-start2));
}
long end = System.currentTimeMillis();
System.out.println(">>> " + count + " selections in " + (end - start) + " ms");
}
catch (XmlException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
catch (JaxenException e)
{
e.printStackTrace();
}
}
private static void test3(String xpathStr, File file)
{
System.out.println("\n ----- test3: XmlCursor.selectPath(cpath) -----");
try
{
String cpath = XmlBeans.compilePath( xpathStr );
XmlObject doc = XmlObject.Factory.parse(file);
XmlCursor speaker = doc.newCursor();
long start = System.currentTimeMillis();
int count = 0;
for (int j = 0; j < 10; j++) {
long start2 = System.currentTimeMillis();
for (int i = 0; i < 100; i++)
{
speaker.toStartDoc();
speaker.selectPath(cpath);
//speaker.getSelectionCount();
while ( speaker.toNextSelection() ) ;
count += (speaker == null ? 0 : 1);
}
System.out.println((j*100) + " \t" + (System.currentTimeMillis()-start2));
}
long end = System.currentTimeMillis();
System.out.println(">>> " + count + " selections in " + (end - start) + " ms");
}
catch (XmlException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
}
private static void test3t(String xpathStr, File file)
{
System.out.println("\n ----- test3: XmlCursor.selectPath(cpath) -----");
try
{
String cpath = XmlBeans.compilePath( xpathStr );
XmlObject doc = XmlObject.Factory.parse(file);
XmlCursor speaker = doc.newCursor();
int count = 0;
speaker.toStartDoc();
speaker.selectPath(cpath);
//speaker.getSelectionCount();
while ( speaker.toNextSelection() )
{
System.out.println(speaker);
count += (speaker == null ? 0 : 1);
}
System.out.println(">>> " + count + " selections");
}
catch (XmlException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
}
private static void test4(File file)
{
System.out.println("\n ----- test4: 1 XmlCursor handCoded -----");
try
{
XmlObject doc = XmlObject.Factory.parse(file);
XmlCursor xc = doc.newCursor();
long start = System.currentTimeMillis();
int count = 0;
for (int j = 0; j < 10; j++) {
long start2 = System.currentTimeMillis();
for (int i = 0; i < 100; i++)
{
xc.toStartDoc();
rec(new String[] {"PLAY","ACT","SCENE","SPEECH","SPEAKER"}, 0, xc);
count += (xc == null ? 0 : 1);
}
//System.out.println((j*100) + " \t" + (System.currentTimeMillis()-start2));
}
long end = System.currentTimeMillis();
System.out.println(">>> " + count + " selections in " + (end - start) + " ms");
}
catch (XmlException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
}
private static void rec(String[] xp, int i, XmlCursor xc )
{
if (i>=xp.length)
{
//System.out.println(xc);
return;
}
if (xc.toChild(xp[i])) do
{
rec(xp, i+1, xc);
}
while(xc.toNextSibling(xp[i]));
xc.toParent();
}
private static void test5()
{
System.out.println("\n ----- test5: XBeansXPath.selectNodes(xpathStr) Navigator: XmlBookmarks + 1 XmlCursor embeded in Navigator -----");
//String xmlDocStr = "<AAA> <BBB id = \"b1\"/> <BBB name = \" bbb \"/> <BBB name = \"bbb\"/> </AAA>";
//String xpathStr = "//BBB[normalize-space(@name)='bbb']";
String xmlDocStr =
"<AAA>\n" +
" <BCC> \n" +
" <BBB/>\n" +
" <BBB/> \n" +
" <BBB/> \n" +
" </BCC> \n" +
" <DDB> \n" +
" <BBB/>\n" +
" <BBB/> \n" +
" </DDB> \n" +
" <BEC> \n" +
" <CCC/>\n" +
" <DBD/> \n" +
" </BEC> \n" +
"</AAA> ";
String xpathStr = "//*[contains(name(),'C')]";
try
{
XmlObject doc = XmlObject.Factory.parse(xmlDocStr);
XPath xpath = new XBeansXPath(xpathStr);
XmlCursor xc = doc.newCursor();
List results = xpath.selectNodes(xc);
Iterator resultIter = results.iterator();
// System.out.println("Document :: " + doc );
System.out.println(" XPath :: " + xpath );
System.out.println("");
System.out.println("Results" );
System.out.println("----------------------------------");
while ( resultIter.hasNext() )
{
xc = (XmlCursor)resultIter.next();
System.out.println( xc );
}
System.out.println("----------------------------------");
System.out.println(results.size() );
}
catch (XmlException e)
{
e.printStackTrace();
}
catch (JaxenException e)
{
e.printStackTrace();
}
}
}