Question

i am calling struts2 action from jquery ajax on success it returns string and on error it should be dispatched to same page and should display errors. i have used following code check it..

$(document).ready(function(){
            $('#getActionRs').click(function(){
                alert("call action");
                $.ajax({
                    type:"POST",
                    url: "returnToAjax",
                    data: "firstinput=" +$('#firstinput').val()+"&secondinput=" +$('#secondinput').val(),
                    success: function(msg){
                        alert("success:"+msg);
                    }
                    });
            });
        });

i have used above code to call my struts action. onclick of button this thing get called

i have specified my action element in config file as follows

<action name="returnToAjax" class="example.returnToAjax">
      <result name="success" type="stream">
         <param name="contentType">text/html</param>
         <param name="inputName">inputStream</param>
      </result>
      <result name="input" type="dispatcher">/Login.jsp</result> 
    </action>

when it returns success it return string correctly, i have done some validation of this action by validation xml but when it returns error it just shows me Login.jsp file code it does not dispatches it to Login.jsp

Answer 1

You can follow this procedure :

1. Form submit
2. Validation error (checked through validation.xml)
3. pass error.jsp as input result where error.jsp contains a word, suppose say ERRORPAGE
4. you’ll get error.jsp via the ajax response.
5. check out the response content if it starts from ERRORPAGE, do a javascript redirect to login.jsp

Here’s a code snippet of the example which does struts2 jquery grid validation through ajax.

afterSubmit:function(response,postdata){
                  return isError(response.responseText);
                  }

<script type="text/javascript">
            function isError(text){
                if(text.indexOf('ERRORPAGE')>=0){
                    return [false,text];  //do redirection here something like
                    //window.location="/login.action";
                }
                return [true,''];
            }
        </script>