Source Code : Essential Struts Action

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Essential Struts Action

Essential Struts Action
/*
Title:       Struts : Essential Skills (Essential Skills)
Authors:     Steven Holzner
Publisher:   McGraw-Hill Osborne Media
ISBN:       0072256591
*/

//index.jsp
<%@ taglib uri="/tags/struts-html" prefix="html" %>
<%@ taglib uri="/tags/struts-logic" prefix="logic" %>

<html:html locale="true">
<head>
<title>A Welcome Page</title>
<html:base/>
</head>
<body bgcolor="white">

<h1>A Sample Welcome Page</h1>

<logic:notPresent name="org.apache.struts.action.MESSAGE" scope="application">
  <font color="red">
    ERROR:  Application resources not loaded -- check servlet container
    logs for error messages.
  </font>
</logic:notPresent>

    <html:form action="Data"> 
          Please click the button:
          <html:submit />
    </html:form> 

</body>
</html:html>

//result.jsp
<html>
  <head>
    <title>A Results page</title>
  </head>
  <body>
  <h1>A Sample Results Page</h1>

    <%= request.getAttribute("DATA") %>

  </body>
</html>

package ch02;

import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.*;

public class DataForm extends ActionForm {

  public ActionErrors validate(ActionMapping mapping,
    HttpServletRequest request) {

    return new ActionErrors();
  }
}

package ch02;

//import ch02.DataForm;
import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.struts.action.*;

public class DataAction extends Action {

  public ActionForward execute(ActionMapping mapping,
    ActionForm form,
    HttpServletRequest request,
    HttpServletResponse response)
    throws IOException, ServletException {

    String text = "No worries.";

    String target = new String("success");

    request.setAttribute("DATA", text);

    return (mapping.findForward(target));
  }
}

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