perspectivewebimpl.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.ServletContext;
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.perspectivemd.perspective.model.PerspectiveModel;
import org.impact.stars.perspectivemd.perspective.ejb.PerspectiveLocal;
import org.impact.stars.perspectivemd.perspective.ejb.PerspectiveLocalHome;
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 Perspective Data.
 */

public class PerspectiveWebImpl extends PerspectiveModel
    implements ModelUpdateListener, java.io.Serializable {

    private AppModelManager apmm;
    private PerspectiveLocal pEjb;
    private ServletContext context;

    public PerspectiveWebImpl() {
        super();
   }

    public void init(ServletContext context) {
        // initializing super class with a null list. This means that
        // if because of some bug, this object gets referenced
        // (typically in the JSP page) before performUpdate is called,
        // a null pointer exception will get thrown.
        
        //this class is not used since the perspective model are small object now
        
        this.context = context;
        this.apmm = (AppModelManager)context.getAttribute(WebKeys.AppModelManagerKey);
        apmm.addListener(JNDINames.PERSPECTIVE_EJBHOME, this);
    }


    public void performUpdate() throws StarsAppException {


        // Get data from the EJB
        if (pEjb == null) {
            //perspectiveEjb = mm.getPerspectiveEJB();
           try {     
            PerspectiveLocalHome phome = EJBUtil.getPerspectiveLocalHome();
            pEjb = phome.findByPrimaryKey(this.getPerspectiveID());
            } catch (javax.ejb.FinderException fde) {
                throw new StarsAppException("Unable to find an perspective/profile with perspective id : " );
            } catch (javax.ejb.NoSuchEntityException nee) {
                throw new StarsAppException("Unable to find an perspective/profile with perspective id : " );
            } catch (javax.naming.NamingException nme) {
                Debug.println("ConceptWebImpl naming exception: ");
                throw new StarsAppException("Irrecoverable error while updating perspective : ");
            }
        }

            PerspectiveModel pwm = new PerspectiveModel(pEjb.getPerspectiveID(), pEjb.getName(), 
                       pEjb.getConceptID(), pEjb.getStakeholderID(), pEjb.getDeclaretime(), 
                        pEjb.getProjectID(), pEjb.getPpurpose(), pEjb.getPcontext(), pEjb.getPcontent());
            
            copy(pwm);
   }

}