Velocity with External Properties

This Example shows you how to use Velocity with External Properties. The method used in this example are described below:-

1:- Initialize velocity run time engine through method init().
2:- Create object of VelocityContext Class.
3:- Create Template class object, Template class object is used for controlling template methods and properties.

template.merge(context, writer): Merge method of the Template class is used here for merging the VelocityContext class object to produce the output. Template class object is used for controlling template methods and properties.

"runtime.log = velocity_example.log" is a external system property.

ExternalProperties.java


import java.io.*




					;



import org.apache.velocity.*;

import org.apache.velocity.app.*;



public class
ExternalProperties {



  public static void main(String[] args) throws Exception {



  Velocity.init(props);



  Template template = 

Velocity.getTemplate("./src

/ExternalProperties.vm");



  VelocityContext context = new VelocityContext();



  Writer writer = new StringWriter();

  template.merge(context, writer);



  System.out.println(writer.toString());

  }

}

ExternalProperties.vm


runtime.log =
velocity_example.log

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

Komal Choudhary

Output :

runtime.log = velocity_example.log

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

Komal Choudhary

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