2) ActionClass
package com.visualbuilder;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.actions.Action;
import org.apache.struts.action.DynaActionForm;
public class DynaActionFormExample extends Action{
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
throws Exception {
DynaActionForm inputForm = (DynaActionForm)form;
//Create object of ActionMesssages
ActionMessages errors = new ActionMessages();
//Check and collect errors
if(((String)inputForm.get("name")).equals("")) {
errors.add("name",new ActionMessage("error.name.required"));
}
if(((String)inputForm.get("email")).equals("")) {
errors.add("email",new ActionMessage("error.email.required"));
}
//Saves the error
saveErrors(request,errors);
return mapping.getInputForward();
}
}
(3) JSP Page
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html:html>
<logic:messagesPresent>
<html:messages id="msg">
<p><strong><font color="red"><bean:write name="msg" /></font></strong></p>
</html:messages>
</logic:messagesPresent>
<logic:messagesPresent message="true">
<html:messages message="true" id="msg">
<p><strong><bean:write name="msg" /></strong></p>
</html:messages>
</logic:messagesPresent>
<html:form action="/dynaActionExample.do" method="post">
<table>
<tr><td>Enter the name :- </td><td><html:text property="name"/> </td></tr>
<tr><td>Enter the Email:- </td><td><html:text property="email"/></td></tr>
</table>
<html:submit>Submit</html:submit>
</html:form>
</html:html>
Output:-
The following will be the output of the application.
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