Java/Velocity/XML

Show basic XML handling in a template

/*
 * Copyright 2000,2004 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.
 */
import java.io.BufferedWriter;
import java.io.OutputStreamWriter;
import java.io.Writer;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.Template;
import org.apache.velocity.app.Velocity;
import org.jdom.Document;
import org.jdom.input.SAXBuilder;

/**
 * Example to show basic XML handling in a template.
 *
 * @author 



== Velocity Output XML ==






   
  <!-- start source code -->
   
    <source lang="java">
import java.io.StringWriter;
import java.util.List;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.VelocityEngine;
public class EmailDemo
{
    public static void main( String[] args )
        throws Exception
    {
        /*
         *   first, get and initialize an engine
         */
        VelocityEngine ve = new VelocityEngine();
        ve.init();
        /*
         *   organize our data 
         */
        ArrayList list = new ArrayList();
        Map map = new HashMap();
        map.put("name", "Cow");
        map.put("price", "$100.00");
        list.add( map );
 
        map = new HashMap();
        map.put("name", "Eagle");
        map.put("price", "$59.99");
        list.add( map );
        map = new HashMap();
        map.put("name", "Shark");
        map.put("price", "$3.99");
        list.add( map );
        /*
         *  add that list to a VelocityContext
         */
        VelocityContext context = new VelocityContext();
        context.put("petList", list);
        /*
         *   get the Template  
         */
        Template t = ve.getTemplate( "./src/email_xml.vm" );
        /*
         *  now render the template into a Writer, here 
         *  a StringWriter 
         */
        StringWriter writer = new StringWriter();
        t.merge( context, writer );
        /*
         *  use the output in the body of your emails
         */
        System.out.println( writer.toString() );
    }
}

-------------------------------------------------------------------------------------
<?xml version="1.0"?>
<salelist>
#foreach( $pet in $petList )
  <pet>
    <name>$pet.name</name>
    <price>$pet.price</price>
  </pet>
#end
</salelist>