conceptwebimpl.java

<Java网络程序设计 J2EE>随书源码

package org.impact.stars.conceptmd.control.web;

import java.rmi.RemoteException;
import javax.rmi.PortableRemoteObject;
import javax.ejb.FinderException;
//import org.impact.stars.control.exceptions.GeneralFailureException;

//import com.sun.j2ee.blueprints.util.tracer.Debug;
//import org.impact.stars.conceptmd.util.EJBUtil;

//import org.impact.stars.conceptmd.concept.ejb.ConceptHome;
import org.impact.stars.conceptmd.concept.ejb.ConceptLocalHome;
import org.impact.stars.conceptmd.concept.ejb.ConceptLocal;
//import org.impact.stars.conceptmd.concept.ejb.Concept;
import org.impact.stars.conceptmd.concept.model.ConceptModel;
import javax.naming.*;
import javax.ejb.*;
import java.util.*;
/**
 * This class is the web tier representation of the
 * Concept.
 */
public class ConceptWebImpl implements java.io.Serializable {

    public ConceptWebImpl() {}

    /**
     * Get the amount of an item available directly from
     * the ConceptEJB.
     *
     * @return  the amount of an item in Concept.
     *          0 is returned by default.
     *
     * @see ConceptModel
     * @see Concept
     */
    
    public int createConcepts(){
        try{
            //ConceptHome ConceptHome = EJBUtil.getConceptHome();
            InitialContext ctx = new InitialContext();
            System.out.println("begin lookup /ejb/Concept");
            Object objectcpt= ctx.lookup("java:comp/env/ejb/Concept");
            ConceptLocalHome home= (ConceptLocalHome)PortableRemoteObject.narrow(objectcpt, ConceptLocalHome.class);
            //Concept Concept = ConceptHome.findByPrimaryKey(itemId);
            System.out.println("before create");
            
            /*String cstrID, String conceptID, String name, String parentID,
              String type, String pstakeholder, String shared, Date ptime, 
              String definition, String description
             */
            java.sql.Date date1 = new java.sql.Date(2001, 10, 01);
            home.create("1", "c1", "Root", "c1", "type1", "pstakeholder", "yes", date1, "definitionroot", "description");
            home.create("1", "c1", "Concept1", "c1", "type1", "pstakeholder", "yes", date1, "definitionroot", "description");
            home.create("1", "c2", "Concept1.5", "c1", "type1", "pstakeholder", "yes",date1, "definitionroot", "description");
            home.create("1", "c3", "Concept2", "c3", "type1", "pstakeholder", "yes", date1, "definitionroot", "description");
            home.create("1", "c4", "Concept3", "c3", "type1", "pstakeholder", "yes", date1, "definitionroot", "description");
            home.create("1", "c5", "Concept4", "c1", "type1", "pstakeholder", "yes", date1, "definitionroot", "description");
            home.create("1", "c6", "Concept5", "c4", "type1", "pstakeholder", "yes", date1, "definitionroot", "description");
            home.create("1", "c7", "Concept6", "c1", "type1", "pstakeholder", "yes", date1, "definitionroot", "description");


            return 1;
        } catch (Exception e) {
           //System.out.println("ConceptBean: Unable to locate concept");
            e.printStackTrace();
        }
        return 0;
    }
/*
    public Collection getConceptList(){
        try{
            //ConceptHome ConceptHome = EJBUtil.getConceptHome();
            InitialContext ctx = new InitialContext();
            Object objectcpt= ctx.lookup("java:comp/env/ejb/Concept");
            ConceptHome home= (ConceptHome)PortableRemoteObject.narrow(objectcpt, ConceptHome.class);
            //Concept Concept = ConceptHome.findByPrimaryKey(itemId);
            Collection conceptList= home.findAllConcepts();
            //return Concept.getDetails().getQuantity();
            ArrayList conceptMdList = new ArrayList();
            Iterator i = conceptList.iterator();
            while (i.hasNext())
            {
                ConceptLocal concept = (ConceptLocal) PortableRemoteObject.narrow(i.next(), ConceptLocal.class);
                ConceptModel cm = new ConceptModel(concept.getConceptID(), concept.getDescription(), concept.getName(), concept.getShared(), concept.getType());
                conceptMdList.add(cm);
            }
            
            return conceptMdList;
            
                    } catch (Exception e) {
           //System.out.println("ConceptBean: Unable to locate concept");
            e.printStackTrace();
        }

        return null;
    }
 */
}