/*
* 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.
*/
import java.io.StringWriter;
import java.util.Properties;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.exception.ParseErrorException;
import org.apache.velocity.exception.MethodInvocationException;
/**
* This class is a simple demonstration of how to use multiple instances
* of the Velocity engine.
*
* @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
* @version $Id: InstanceExample.java 463298 2006-10-12 16:10:32Z henning $
*/
public class InstanceExample
{
public static void main( String args[] )
{
/* first, we init the runtime engine. Defaults are fine. */
VelocityEngine ve1 = new VelocityEngine();
VelocityEngine ve2 = new VelocityEngine();
try
{
ve1.setProperty("runtime.log", "velengine1.log");
ve1.setProperty("file.resource.loader.path", "./template1");
ve1.init();
ve2.setProperty("runtime.log", "velengine2.log");
ve2.setProperty("file.resource.loader.path", "./template2");
ve2.init();
}
catch(Exception e)
{
System.out.println("Problem initializing Velocity : " + e );
return;
}
/* lets make a Context and put data into it */
VelocityContext context = new VelocityContext();
context.put("name", "Velocity");
context.put("project", "Jakarta");
/* lets render a template */
StringWriter w1 = new StringWriter();
StringWriter w2 = new StringWriter();
try
{
ve1.mergeTemplate("instanceexample.vm", context, w1);
ve2.mergeTemplate("instanceexample.vm", context, w2);
}
catch (Exception e )
{
System.out.println("Problem merging template : " + e );
}
System.out.println(" template 1 : " + w1 );
System.out.println(" template 2 : " + w2 );
}
}