conceptwebimpl.java

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/*
 */

package org.impact.stars.control.web;

import java.util.Locale;
import java.rmi.RemoteException;

import org.impact.stars.control.exceptions.GeneralFailureException;
import org.impact.stars.control.exceptions.StarsAppException;

import javax.servlet.http.HttpSession;
import javax.servlet.ServletContext;
import javax.naming.NamingException;

import org.impact.stars.util.JNDINames;
import org.impact.stars.util.WebKeys;
import org.impact.stars.util.JSPUtil;
import org.impact.stars.util.EJBUtil;
import org.impact.stars.conceptmd.concept.model.ConceptModel;
import org.impact.stars.conceptmd.concept.ejb.ConceptLocal;
import org.impact.stars.conceptmd.concept.ejb.ConceptLocalHome;


import org.impact.stars.control.web.ModelManager;
import org.impact.stars.control.web.ModelUpdateListener;

import org.impact.stars.util.Debug;

/**
 * This class is the web-tier representation of the Concept Data.
 */

public class ConceptWebImpl extends ConceptModel
    implements ModelUpdateListener, java.io.Serializable {

    private AppModelManager apmm;
    private ConceptLocal conceptEjb;
    //private HttpSession session;
    private ServletContext context;

    
    public ConceptWebImpl() {
        super();
   }

    public void init(ServletContext context) {
        this.context = context;
        this.apmm = (AppModelManager)context.getAttribute(WebKeys.AppModelManagerKey);
        apmm.addListener(JNDINames.CONCEPT_EJBHOME, this);
    }


    public void performUpdate() throws StarsAppException {


        // Get data from the EJB
        if (conceptEjb == null) {
           try {     
            ConceptLocalHome chome = EJBUtil.getConceptLocalHome();
            conceptEjb = chome.findByPrimaryKey(this.getConceptID());
            } catch (javax.ejb.FinderException fde) {
                throw new StarsAppException("Unable to find an concept/profile with concept id : " );
            } catch (javax.ejb.NoSuchEntityException nee) {
                throw new StarsAppException("Unable to find an concept/profile with concept id : " );
            } catch (javax.naming.NamingException nme) {
                Debug.println("ConceptWebImpl naming exception: ");
                throw new StarsAppException("Irrecoverable error while updating concept : ");
            }
            
        }
            copy(conceptEjb.getDetails());
        }
}