Source Code : Use Velocity to generate HTML based email

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Use Velocity to generate HTML based email

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_html.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() );
    }
}

-------------------------------------------------------------------------------------

  <HTML>
    <HEAD>
      <TITLE>Pet Store Sale!</TITLE>
    </HEAD>


    <BODY>
      <CENTER>
      <B>$petList.size() Pets on Sale!</B>
      
      <BR/>
      This is an email generated by velocity
      <BR/>
      This month only, choose from :
    
      #set( $count = 1 )  
      <TABLE>
        #foreach( $pet in $petList )
          <TR>
            <TD>$count)</TD>
            <TD>$pet.name</TD>
            <TD>$pet.price</TD>
          </TR>
          #set( $count = $count + 1 )
        #end
      </TABLE>
      
     <I>Call Today!</I>
     Bests <br>
     www.java2s.com
      </CENTER>
 
    </BODY>
  </HTML>

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