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Generator Tag (Control Tags) Example

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In this section, we are going to describe the generator tag . The generator tag is a generic tag that is used to generate iterators based on different attributes passed .

Generator Tag (Control Tags) Example

     

In this section, we are going to describe the generator tag. The generator tag is a generic tag that is used to generate iterators based on different attributes passed. Here we will not pass any attribute.

Add the following code snippet into the struts.xml file.

sturts.xml

<action name="GeneratorTag" class="net.roseindia.GeneratorTag">
   <result>/pages/genericTags/GeneratorTag.jsp</result>
</action>

Create an action class  as shown: 
GeneratorTag.java

package net.roseindia;
import com.opensymphony.xwork2.ActionSupport;
import org.apache.struts2.util.IteratorGenerator.Converter;

public class GeneratorTag extends ActionSupport {
  public String excute() throws Exception{
  return  SUCCESS;
  }
}

Create a jsp page where the generator tag <s:generator> generates a simple iterator based on the val attribute supplied and <s:iterator> tag prints it out using the <s:property /> tag. The separator attribute is used to separate the val into entries of the iterator.

 GeneratorTag.jsp

<%taglib prefix="s" uri="/struts-tags" %>

<html> 
  <head>
  <title> Generator Tag Example! </title>
  </head>
  <body>
  <h1><span style="background-color: #FFFFcc">Generator Tag Example!
  </span></h1>

  <h3><font color="#0000FF"> Generates a Simple Iterator </font></h3>
  <s:generator val="%{'www.Roseindia.net,Deepak Kumar,Sushil Kumar,
   Vinod Kumar,Amit Kumar'}" 
separator=",">
  <s:iterator>
  <s:property /><br/>
  </s:iterator>
  </s:generator>

  </body>
</html>

Output of Generator Tag Example:

     

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Posted on: July 16, 2007

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