Can commandLink call a strut action?

Hi,
My project have existing code written in JSP and Strut framework. But, I like JSF better and would like to reuse some of the existing JSP/Strut code in JSF.
Does anyone know that whether JSF can call a strut action via commandLink
For example, the snippet below will call xyz.do, which is a strut action.
<h:commandLink id="xyx" action="xyz.do" value="XYZ" immediate="true" />
Thanks

You can indeed call a struts action from a plain form but the action needs to exist and be assigned to the specified url.

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How to call a struts action from a JSF page

I am working on a small POC that has to do with struts-faces. I need to know how to call a struts ".do" action from a JSF page..
Sameer Jaffer

is it not possible to call a action from the faces submit button and/or the navigation?
This a simple POC using struts-faces exmaples.
Here is my struts-config and faces-config file.
<struts-config>
<data-sources/>
<form-beans>
<form-bean name="GetNameForm" type="demo.GetNameForm"/>
</form-beans>
<global-exceptions/>
<global-forwards>
<forward name="getName" path="/pages/inputname.jsp"/>
</global-forwards>
<action-mappings>
<action name="GetNameForm" path="/greeting" scope="request" type="demo.GreetingAction">
   <forward name="sayhello" path="/pages/greeting.jsp"/>
</action>
</action-mappings>
<controller>
    <set-property property="inputForward" value="true"/>
    <set-property property="processorClass"
            value="org.apache.struts.faces.application.FacesRequestProcessor"/>
</controller>
</struts-config>faces-config
<faces-config>
<managed-bean>
<managed-bean-name>calculate</managed-bean-name>
<managed-bean-class>com.jsftest.Calculate</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
<managed-bean>
<managed-bean-name>GetNameForm</managed-bean-name>
<managed-bean-class>demo.GetNameForm</managed-bean-class>
<managed-bean-scope>request</managed-bean-scope>
</managed-bean>
<navigation-rule>
<from-view-id>/calculate.jsp</from-view-id>
<navigation-case>
   <from-outcome>success</from-outcome>
   <to-view-id>/success.jsp</to-view-id>
</navigation-case>
<navigation-case>
   <from-outcome>failure</from-outcome>
   <to-view-id>/failure.jsp</to-view-id>
</navigation-case>
</navigation-rule>
<navigation-rule>
<from-view-id>/inputNameJSF.jsp</from-view-id>
<navigation-case>
   <to-view-id>/pages/greeting.jsp</to-view-id>
</navigation-case>
</navigation-rule>
</faces-config>in my inputNameJSF.jsp (faces page)
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core" %>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html" %>
<%@ taglib prefix="s" uri="http://struts.apache.org/tags-faces" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Say Hello!!</title>
</head>
<body>
Input Name
<f:view>
     <h:form >
          <h:inputText value="#{GetNameForm.name}" id = "name" />
          <br>
          <h:commandButton id="submit" action="/greeting.do" value="   Say Hello!   " />
     </h:form>
</f:view>
</body>
</html>I want to be able to call the struts action invoking the Action method in the that returns the name
package demo;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
public class GreetingAction extends org.apache.struts.action.Action {
    // Global Forwards
    public static final String GLOBAL_FORWARD_getName = "getName";
    // Local Forwards
    private static final String FORWARD_sayhello = "sayhello";
    public GreetingAction() {
    public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
        String name = ((demo.GetNameForm)form).getName();
        String greeting = "Hello, "+name+"!";
        request.setAttribute("greeting", greeting);
        return mapping.findForward(FORWARD_sayhello);
}Edited by: sijaffer on Aug 11, 2009 12:03 PM

Call struts action from javascript?

Hi all
I'm having problem already discussed here quite a lot, but I have idea to solve it different way. And need to know is it possible or I'm doing mission impossible here :(
I have JSP with 2 drop down lilsts, where the second is populated according to selected value from first - that's basically my problem.
Is it possible to somehow only call my struts action which will return all needed values using javascript and onchange event handler?
I dont have any experience with javascript, and I'm trying to avoid it as much as possible at the moment.
Thanks in advance

well as far your requirement is concern if at all you are planning to implement AJAX try to use the below link which might be of some help...
http://www.it-eye.nl/weblog/2005/12/13/ajax-in-struts-implementing-dependend-select-boxes/
However,I somehow feel there are few loopholes in the author's approach...
i advice to use XmlHttpRequest.reponseXML property there.
However, i've mentioned a sample code snippet for you reference.
XML Response Pattern :
======================
<? xml version="1.1" ?>
<dropdown>
<option>
<val>CUSTOMIZED_VALUE</val>
<text>CUSTOMIZED_VALUE</text>
</option>
</dropdown>Sample.jsp:
===========
<%@page language="java" %>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>Automatic Drop-Down Updation</title>
     <script language="javascript">
      // Global Variable for XmlHttp Request Object
      var xmlhttp
      // Timer Variables
      var c = 0
      var t
       /* A function which calls a servlet named AjaxServlet to get XmlData using XmlHttpObject */
        function refreshCombo(txt){
            xmlhttp = null
            // code for initializing XmlHttpRequest Object On Browsers like Mozilla, etc.
            if (window.XMLHttpRequest){
                 xmlhttp = new XMLHttpRequest()
            // code for initializing XmlHttpRequest Object On Browsers like IE
           else if (window.ActiveXObject) {
               xmlhttp = new ActiveXObject("Microsoft.XMLHTTP")
           if (xmlhttp != null){
              // Setting the Action url to get XmlData
               url = "dropdown.do?count="+txt;
               // Course of Action That Should be Made if their is a change in XmlHttpRequest Object ReadyState NOTE : it is 4 when it has got request from CGI
               xmlhttp.onreadystatechange = getResponseAction;
               // Open the Request by passing Type of Request & CGI URL
               xmlhttp.open("GET",url,true);
               // Sending URL Encoded Data
               xmlhttp.send(null);
           else{
             // Only Broswers like IE 5.0,Mozilla & all other browser which support XML data Supports AJAX Technology
             // In the Below case it looks as if the browser is not compatiable
              alert("Your browser does not support XMLHTTP.")
      /* Used for verifing right ReadyState & Status of XmlHttpRequest Object returns true if it is verified */
      function verifyReadyState(obj){
         // As Said above if XmlHttp.ReadyState == 4 then the Page Has got Response from WebServer
          if(obj.readyState == 4){
           // Similarly if XmlHttp.status == 200 it means that we have got a Valid response from the WebServer
            if(obj.status == 200){
                return true
             else{
                alert("Problem retrieving XML data")
      /* Action that has to take place after getting reponse */
      function getResponseAction(){
          // Verifying State & Status
          if(verifyReadyState(xmlhttp) == true){
              // Building a DOM parser from Response Object
              var response = xmlhttp.responseXML.documentElement
              // Deleting all the Present Elements in the Drop-Down Box
              drRemove()
              // Checking for the Root Node Tag
              var x = response.getElementsByTagName("option")
              var val
              var tex
              var optn
              for(var i = 0;i < x.length; i++){
                 optn = document.createElement("OPTION")
                 var er
                 // Checking for the tag which holds the value of the Drop-Down combo element
                 val = x.getElementsByTagName("val")
try{
// Assigning the value to a Drop-Down Set Element
optn.value = val[0].firstChild.data
} catch(er){
// Checking for the tag which holds the Text of the Drop-Down combo element
tex = x[i].getElementsByTagName("text")
try{
// Assigning the Text to a Drop-Down Set Element
optn.text = tex[0].firstChild.data
} catch(er){
// Adding the Set Element to the Drop-Down
document.SampleForm.SampleCombo.options.add(optn)
/* Function removes all the elements in the Drop-Down */
function drRemove(){
var x = document.SampleForm.SampleCombo
for(var i = document.SampleForm.SampleCombo.length - 1 ; i >= 0 ; i--){
x.remove(i)
</script>
</head>
<body onload="syncCount()">
<pre> <h1>Refresh Drop-Down <div id='txt'> </div> </h1></pre>
<form name="SampleForm">

<select name="x" onchange="refreshCombo(this.value)">
               <option value="1">United States</option>
               <option value="2">United Kingdom</option>
               <option value="3">United Arab Emriates</option>
</select>

<select name="SampleCombo">
<option value="-1">Pick One</option>
</select>
</form>
</body>
</html>
struts-config.xml:
==================
<action-mappings>
<action path="/dropdown" type="com.controlleraction.AjaxActionClass">
<forward name="error" path="/error.jsp"/>
</action>
</action-mappings>AjaxActionClass.java:
=====================
package com.controlleraction;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
public class AjaxActionClass extends DispatchAction {
public ActionForward execute( ActionMapping mapping,ActionForm form,HttpServletRequest request,HttpServletResponse response) throws Exception {
    String req = new String("");
    try{
       req = request.getParameter("count");
    } catch(Exception exp){
   if(!req.equals("")){
       response.setContentType("text/xml");
       response.setHeader("Pragma","no-cache");
       response.setHeader("Cache-Control","no-cache,post-check=0,pre-check=0");
       PrintWriter out = response.getWriter();
       /*a sample bean where we trying to call a service from Model*/
       com.Biz.XmlBean xml = new XmlBean();
       String buffer = xml.getXmlData(req);
       if(xml.close() == true && buffer.equals("") == false)
         out.write(buffer);
       return(null);
} else {
     return new ActionForward("error");
}XmlBean.java:
=============
* XmlBean.java
import java.sql.*;
import java.util.*;
import java.io.*;
* @author RaHuL
public class XmlBean {
    private Connection con = null;
    private PreparedStatement pstmt = null;
    private ResultSet rs = null;
    // Setting CLASSURL path to TYPE I Driver
    private String CLASSURL = "sun.jdbc.odbc.JdbcOdbcDriver";
    /* Specifing CONNECTION PATH to a DSN named TestDsn
     * Please Make Sure you create a DSN Named TestDsn to your database which holds EMP table
    private String CONNECTIONURL = "jdbc:odbc:TestDsn";
    boolean IS_ESTABLISHED = false;
    /** Creates a new instance of XmlBean and also establishes DB Connections */
    public XmlBean() {
        try{
            Class.forName(CLASSURL);
            con = DriverManager.getConnection(CONNECTIONURL,"admin","");
            IS_ESTABLISHED = true;
        } catch(SQLException sqe){
            sqe.printStackTrace();
        } catch(Exception exp){
            exp.printStackTrace();
    /* Generates XmlData For the Business Logic Specified */
    public String getXmlData(String req){
        String XmlBuffer = new String("");
        if(IS_ESTABLISHED == true){
            try{
                pstmt = con.prepareStatement("SELECT stateid,statename FROM STATE_TABLE where countryid = ?");
                pstmt.setString(1,req);
                rs = pstmt.executeQuery();
                if(rs != null){
                    XmlBuffer = XmlBuffer + "<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>";
                    XmlBuffer = XmlBuffer + "";
                    // Root Node
                    XmlBuffer = XmlBuffer + "<dropdown>";
                    while(rs.next()){
                        String value = rs.getString(1);
                        String text = rs.getString(2);
                        // Sub-root Node
                        XmlBuffer = XmlBuffer + "<option>";
                        // node which holds value of drop-down combo
                        XmlBuffer = XmlBuffer + "<val>"+value+"</val>";
                        // node which holds text for drop-down combo
                        XmlBuffer = XmlBuffer + "<text>"+text+"</text>";
                        XmlBuffer = XmlBuffer + "</option>";
                    XmlBuffer = XmlBuffer + "</dropdown>";
            }catch(SQLException sqe){
                sqe.printStackTrace();
            } catch(Exception exp){
                exp.printStackTrace();
        return(XmlBuffer);
    /* Closes the DB Connection Conmpletely */
    public boolean close(){
        if(IS_ESTABLISHED == true){
            try{
                pstmt.close();
                con.close();
                return(true);
            } catch(SQLException sqe){
                sqe.printStackTrace();
            } catch(Exception exp){
                exp.printStackTrace();
        return(false);
NOTE: I understand i'm not completely coded things as per proper coding standards.please execuse me for that as this example was just given to enable user to learn how XmlHttpRquest,reponseXML
can be used for better purposes instead of devising manual parsing.
where i've used XmlHttpResponse pattern to be in XML. you may make use of other practices like JSON & so on depending on your requirement..
and and if you are more instrested in integrating Struts with AJAX using few frameworks & customized tag based support please go though the below link.
http://struts.sourceforge.net/ajaxtags/index.html
Hope that might help :)
REGARDS,
RaHuL

Call a dynamic action automatically on a regular basis

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But my question is this... how can I call the dynamic action automatically say every 3 minutes, without any user interaction?

Hi John,
maybe it's easier for you to get the approval because it's a plug-in we (Oracle) provide.
You mentioned that you already had a setInterval with $a_report solution in place. Instead of the unsupported $a_report you can use the supported
jQuery( "#static_id_of_your_report_region" ).trigger ( "apexrefresh" );to trigger a refresh of your report region. That will be identical to the "Refresh" dynamic action. But I would still suggest to go with the "Timer" dynamic action plug-in, because this will be more transparent for other developers when looking at your page.
Regards
Patrick
My Blog: http://www.inside-oracle-apex.com
APEX Plug-Ins: http://apex.oracle.com/plugins
Twitter: http://www.twitter.com/patrickwolf

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Hi,
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How to call struts action manually in onchange property???

Hello!
action defined in struts-config.xml:
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Thanks
Markus

Markus,
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document.forms.DataForm.elements[8].click()Charles.

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08/10/07 19:30:37 - ***********************************************************
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regards

Hi,
As per your actions above I believe you have already found SAP Note 435363.
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2. Put the struts library into WEB-INF/lib of the application (struts can't be shared among applications)
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telnet localhost 2323
2. Jump to the server node
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jump 4001
3. Execute the commands
add deploy
changeref -m MyApplication library:inqmyxml
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2. You have misspelled the name of your application in the reference. The names are case sensitive so you need to be careful. MyApplication is not the same as myApplication or myapplication.
Regards,
Iavor

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write
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Can commandLink call a strut action?

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