/*
* Copyright (c) 2003 The Visigoth Software Society. 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. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgement:
* "This product includes software developed by the
* Visigoth Software Society (http://www.visigoths.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
*
* 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the
* project contributors may be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact visigoths@visigoths.org.
*
* 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
* nor may "FreeMarker" or "Visigoth" appear in their names
* without prior written permission of the Visigoth Software Society.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 VISIGOTH SOFTWARE SOCIETY OR
* ITS 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Visigoth Software Society. For more
* information on the Visigoth Software Society, please see
* http://www.visigoths.org/
*/
package freemarker.testcase;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.util.List;
import java.util.Locale;
import freemarker.template.Configuration;
import freemarker.template.SimpleHash;
import freemarker.template.Template;
import freemarker.template.TemplateBooleanModel;
import freemarker.template.TemplateCollectionModel;
import freemarker.template.TemplateHashModel;
import freemarker.template.TemplateMethodModelEx;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelIterator;
import freemarker.template.TemplateNumberModel;
import freemarker.template.TemplateScalarModel;
/**
* This class executes a FreeMarker template repeatedly in an endless loop.
* It is meant to run inside a profiler to identify potential bottlenecks.
* It can process either into a local file, or into a special /dev/null
* style output stream.
* @version $Id: PerformanceTest.java,v 1.18 2004/11/28 12:58:34 ddekany Exp $
*/
public class PerformanceTest
{
public static void main(String[] args)
throws
Exception
{
Configuration config = new Configuration();
// config.setDebugMode(false);
config.setClassicCompatible(false);
config.setClassForTemplateLoading(PerformanceTest.class, "/freemarker/testcase");
Template template = config.getTemplate("PerformanceTest.fm");
boolean toFile = args.length > 0 && args[0].equals("file");
File f = File.createTempFile("fmPerfTest", ".txt");
f.deleteOnExit();
OutputStream nullStream = new NullStream();
SimpleHash h = new SimpleHash();
h.put("ii", new TestSequence());
h.put("j", new TestHash());
h.put("k", new TestMethod());
for(;;)
{
OutputStream stream = toFile ? new BufferedOutputStream(new FileOutputStream(f)) : nullStream;
Writer writer = new OutputStreamWriter(stream, "UTF-8");
try
{
template.process(h, writer);
}
finally
{
writer.close();
}
}
}
private static class TestSequence implements TemplateCollectionModel
{
public TemplateModelIterator iterator()
{
return new TemplateModelIterator()
{
private int i = 0;
public TemplateModel next()
{
return new TestI(i++);
}
public boolean hasNext()
{
return i < 1000;
}
};
};
}
private static class TestHash implements TemplateHashModel, TemplateScalarModel
{
public TemplateModel get(String key)
{
return this;
}
public String getAsString()
{
return "j";
}
public boolean isEmpty()
{
return false;
}
}
private static class TestMethod implements TemplateMethodModelEx
{
public Object exec(List arguments)
{
return arguments.get(0);
}
}
private static class TestI implements TemplateHashModel, TemplateNumberModel
{
private final int i;
TestI(int i)
{
this.i = i;
}
public TemplateModel get(String key)
{
return (i & 1) == 1 ? TemplateBooleanModel.TRUE : TemplateBooleanModel.FALSE;
}
public String getAsString(Locale locale)
{
return Integer.toString(i);
}
public Number getAsNumber()
{
return new Integer(i);
}
public boolean isEmpty()
{
return false;
}
}
private static class NullStream extends OutputStream
{
public void close()
{
}
public void flush()
{
}
public void write(byte[] arg0, int arg1, int arg2)
{
}
public void write(byte[] arg0)
{
}
public void write(int arg0)
{
}
}
}