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Velocity Macro with Parameters

This Example shows you how to use macro with parameters in velocity template.

Velocity Macro with Parameters


This Example shows you how to use macro with parameters in velocity  template.

Example given below show you, how to display date and time velocity. 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.

#add($list): This method is used to call the add function created above.


import org.apache.velocity.*;

public class UseMacro {

  public static void main(String[] argsthrows Exception {
  Template template = Velocity.getTemplate("./src/MacroWithParameter.vm");

  VelocityContext context = new VelocityContext();

  Writer writer = new StringWriter();
  template.merge(context, writer);


#macro(add $list)
#foreach($item in $list)
#set($total =$total+$item)
total = $total

#set ($list = [122])

total =  5

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Posted on: August 27, 2008

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