|
(2) ActionForm Class
package com.visualbuilder;
import org.apache.struts.action.ActionForm;
public class InputForm extends ActionForm{
}
(3) ActionClass
Note:- Now all the action classes must imherit the org.apache.struts.action.DispatchAction Class and not the org.apache.struts.action.Action Class.
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.DispatchAction;
public class DispatchActionExample extends DispatchAction{
protected ActionForward unspecified(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response)
throws Exception {
ActionMessages message = new ActionMessages();
message.add("unspecified",new ActionMessage("error.unspecified"));
saveMessages(request, message);
return mapping.getInputForward();
}
public ActionForward view(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception{
ActionMessages message = new ActionMessages();
message.add("unspecified",new ActionMessage("error.view"));
saveMessages(request, message);
return mapping.getInputForward();
}
public ActionForward add(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception{
ActionMessages message = new ActionMessages();
message.add("unspecified",new ActionMessage("error.add"));
saveMessages(request, message);
return mapping.getInputForward();
}
public ActionForward delete(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
ActionMessages message = new ActionMessages();
message.add("unspecified",new ActionMessage("error.delete"));
saveMessages(request, message);
return mapping.getInputForward();
}
}
(4) 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="/dispatchActionExample.do?method=add" method="post">
<html:submit>Submit for add</html:submit>
</html:form>
<html:form action="/dispatchActionExample.do?method=view" method="post">
<html:submit>Submit for view</html:submit>
</html:form>
<html:form action="/dispatchActionExample.do?method=delete" method="post">
<html:submit>Submit for delete</html:submit>
</html:form>
<html:form action="/dispatchActionExample.do" method="post">
<html:submit>Submit for unspecified</html:submit>
</html:form>
</html:html>
Output:-
The following buttons will be displayed and on clicking the buttons the text "delete called" changes
 |
Total Members
Delicious
Digg
Technorati
Blink
Furl
Reddit
Newsvine
Google
