Parameters shows null please help

[sajidbigler <sa...@gmail.com>]

Hi Friends,

I am not able to understand why my parameters are not being accepted by my
action class.please help to resolve this.i included defaultStack after i
dint able to make it by <default-interceptor-ref
name="paramsPrepareParamsStack" />.please find action class,jsp,stryts.xml

ServiceOwnerAndSuscriptionDetails.java
package com.teleparadigm.mms.application.common;

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;
import org.apache.struts2.dispatcher.multipart.MultiPartRequestWrapper;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;
import org.apache.struts2.interceptor.SessionAware;

import com.opensymphony.xwork2.ActionSupport;
import com.teleparadigm.mms.application.utills.Configuration;

//http://thefiles.macadamian.com/2008/04/struts-2-doubleselect-detailed-example.html

/*
         <s:doubleselect
            name="selectSO"         doubleName="selectSO_Sub"
            list="serviceOwners"       doubleList="subscriptions"
            listKey="serviceOwnerId"          doubleListKey="subscriptionId"
            listValue="serviceOwnerName"     
doubleListValue="subsriptionName"
            value="defaultItem"   doubleValue="doubleDefaultItem" />

 * */
public class ServiceOwnerAndSuscriptionDetails extends ActionSupport
implements ServletRequestAware,ServletResponseAware
{

	Configuration conf = null;

	private HttpServletRequest request;
	private HttpServletResponse response;

	public void setServletRequest(HttpServletRequest request){
		this.request = request;
	}

	public HttpServletRequest getServletRequest(){
		return request;
	}

	public void setServletResponse(HttpServletResponse response){
		this.response = response;
	}

	public HttpServletResponse getServletResponse(){
		return response;
	}
	String ServiceOwnerId;
	String ServiceOwnerName;
	String DefaultItem;
	String DoubleDefaultItem;
	String SubscriptionType;
	List <ServiceOwnerAndSuscriptionDetails> ServiceOwners;
	List <SubscriptionDetails> Subscriptions;
	HttpSession session=null;
	public String execute() throws Exception {
		session=request.getSession(false);

		if(session==null ){

			addActionError("Invalid Session! Please Relogin!");
			return ERROR;	
		}
		Owner ownerobj=(Owner)session.getAttribute("ownerobj");
		if(ownerobj==null){

			addActionError("Invalid User Session!");
			return ERROR;
		}
		
		Enumeration enumeration=request.getParameterNames(); 
		while(enumeration.hasMoreElements()){
			String name=(String)enumeration.nextElement();
			System.out.println("ServiceOwnerAndSuscriptionDetails---name-->"+name);
			String value= request.getParameter(name);
		
System.out.println("ServiceOwnerAndSuscriptionDetails---value--->"+value);
		}
		session.setAttribute("ServiceOwners", getServiceOwners());
		session.setAttribute("Subscriptions", getSubscriptions());
		return SUCCESS;
	}
	public String getServiceOwnerId() {
		return ServiceOwnerId;
	}
	public void setServiceOwnerId(String serviceOwnerId) {
		ServiceOwnerId = serviceOwnerId;
	}
	public String getServiceOwnerName() {
		return ServiceOwnerName;
	}
	public void setServiceOwnerName(String serviceOwnerName) {
		ServiceOwnerName = serviceOwnerName;
	}
	public List<ServiceOwnerAndSuscriptionDetails> getServiceOwners() {
		ServiceOwnerAndSuscriptionDetailsDAO sodao=new
ServiceOwnerAndSuscriptionDetailsDAO();
		if(ServiceOwners==null ){
			ServiceOwners=new ArrayList<ServiceOwnerAndSuscriptionDetails>();
			ServiceOwners=sodao.getServiceOwners();
			if(ServiceOwners.isEmpty()){
				this.setServiceOwnerId("");
				this.setServiceOwnerName("");
				this.setDefaultItem("");

			}
			else
			{
				ServiceOwnerAndSuscriptionDetails so=ServiceOwners.get(0);
				this.setServiceOwnerId(so.getServiceOwnerId());
				this.setServiceOwnerName(so.getServiceOwnerName());
				this.setDefaultItem(so.getServiceOwnerName());
			}
		}
		return ServiceOwners;
	}
	public void setServiceOwners(
			List<ServiceOwnerAndSuscriptionDetails> serviceOwners) {
		ServiceOwners = serviceOwners;
	}
	public List<SubscriptionDetails> getSubscriptions() {
		ServiceOwnerAndSuscriptionDetailsDAO sodao=new
ServiceOwnerAndSuscriptionDetailsDAO();
		if(Subscriptions==null ){
			Subscriptions=new ArrayList<SubscriptionDetails>();
			System.out.println("getServiceOwnerId-->"+this.getServiceOwnerId());
		
Subscriptions=sodao.getSubscriptions(this.getServiceOwnerId(),this.getSubscriptionType());
			System.out.println("Subscriptions-->"+Subscriptions);
			if(Subscriptions.isEmpty()){
				this.setDoubleDefaultItem("");
			}else{
				SubscriptionDetails sd=Subscriptions.get(0);
				this.setDoubleDefaultItem(sd.getSubsriptionName());
			}
		}

		return Subscriptions;
	}
	public void setSubscriptions(List<SubscriptionDetails> subscriptions) {
		Subscriptions = subscriptions;
	}
	public String getDefaultItem() {
		return DefaultItem;
	}
	public void setDefaultItem(String defaultItem) {
		DefaultItem = defaultItem;
	}
	public String getDoubleDefaultItem() {
		return DoubleDefaultItem;
	}
	public void setDoubleDefaultItem(String doubleDefaultItem) {
		DoubleDefaultItem = doubleDefaultItem;
	}

	public String getSubscriptionType() {
		return SubscriptionType;
	}

	public void setSubscriptionType(String subscriptionType) {
		SubscriptionType = subscriptionType;
	}
}

struts.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>
	<constant name="struts.custom.i18n.resources"
		value="MMSApplicationMessages" />
	<constant name="struts.enable.DynamicMethodInvocation"
		value="false" />
	<!-- Some or all of these can be flipped to true for debugging -->

	<constant name="struts.devMode" value="false" />
	<constant name="struts.configuration.xml.reload" value="true" />

	<!--  
		Constants can be delared in two ways in struts.xml or struts.properties
		<constant name="struts.devMode" value="true" />
	-->
	<include file="struts-default.xml" />

	<package name="sajid" extends="struts-default">

		<default-interceptor-ref name="paramsPrepareParamsStack" />

                  <action name="beforeComposeMMS"
		
class="com.teleparadigm.mms.application.common.ServiceOwnerAndSuscriptionDetails">
			MMS
			<interceptor-ref name="defaultStack"></interceptor-ref>
			<result name="error" type="redirect">
				/pages/ComposeMMS.jsp
			</result>
			<result>/pages/ComposeMMS.jsp</result>
		</action>
</package>


</struts>


in JSP

<li><s:url var="url" action="beforeComposeMMS"/><s:a href="%{url}">Compose
MMS</s:a></li>
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Re: Parameters shows null please help

[sajidbigler <sa...@gmail.com>]

In Console we get this result only once the i will get param next time it
goes to null.i am using doubleselect for this


getServiceOwnerId-->7099107119529255786
----------------------------query----------------------------
select SUBSCRIPTION_ID, SUBSCRIPTION_NAME from SUBSCRIPTION where
CONTENT_PROVIDER_ID=7099107119529255786 and SUBSCRIPTION_TYPE like 'MMS'
Subscriptions-->[]
getServiceOwnerId-->7099107119529255786
----------------------------query----------------------------
select SUBSCRIPTION_ID, SUBSCRIPTION_NAME from SUBSCRIPTION where
CONTENT_PROVIDER_ID=7099107119529255786 and SUBSCRIPTION_TYPE like 'null'
Subscriptions-->[]
getServiceOwnerId-->8946059966905337120
----------------------------query----------------------------
select SUBSCRIPTION_ID, SUBSCRIPTION_NAME from SUBSCRIPTION where
CONTENT_PROVIDER_ID=8946059966905337120 and SUBSCRIPTION_TYPE like 'null'
Subscriptions-->[]
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