com.emc.plants.service.impl.SuppliersBean.java Source code

Introduction

Here is the source code for com.emc.plants.service.impl.SuppliersBean.java

Source

//
//"This sample program is provided AS IS and may be used, executed, copied and modified without royalty payment by customer (a) for its own //instruction and study, (b) in order to develop applications designed to run with an IBM WebSphere product, either for customer's own internal use //or for redistribution by customer, as part of such an application, in customer's own products. " 
//
//Product 5630-A36,  (C) COPYRIGHT International Business Machines Corp., 2004, 2004
//All Rights Reserved * Licensed Materials - Property of IBM
//
package com.emc.plants.service.impl;

import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Vector;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;

import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Transactional;

import com.emc.plants.persistence.Supplier;
import com.emc.plants.pojo.beans.SupplierInfo;
import com.emc.plants.service.interfaces.Suppliers;
import com.emc.plants.utils.Util;

/**
 * Bean implementation class for Enterprise Bean: Suppliers
 */
//@Stateless(name="Suppliers")
@Repository("suppliersBean")
public class SuppliersBean implements Suppliers {

    @PersistenceContext(unitName = "PBW")
    EntityManager em;

    /**
     * @param supplierID
     * @param name
     * @param street
     * @param city
     * @param state
     * @param zip
     * @param phone
     * @param url
     */
    public void createSupplier(String supplierID, String name, String street, String city, String state, String zip,
            String phone, String url) {
        try {
            Util.debug("SuppliersBean.createSupplier() - Entered");
            Supplier supplier = null;
            /*
             try {
             // Create a new Supplier if there is NOT an existing Supplier.
              supplier = getSupplierLocalHome().findByPrimaryKey(new SupplierKey(supplierID));
              } catch (FinderException e) {
              */
            supplier = em.find(Supplier.class, supplierID);
            if (supplier == null) {
                Util.debug("SuppliersBean.createSupplier() - supplier doesn't exist.");
                Util.debug("SuppliersBean.createSupplier() - Creating Supplier for SupplierID: " + supplierID);
                //supplier = getSupplierLocalHome().create(supplierID, name, street, city, state, zip, phone, url);
                supplier = new Supplier(supplierID, name, street, city, state, zip, phone, url);
                em.persist(supplier);
            }
        } catch (Exception e) {
            Util.debug("SuppliersBean.createSupplier() - Exception: " + e);
        }
    }

    /**
     * @param supplierID
     * @param name
     * @param street
     * @param city
     * @param state
     * @param zip
     * @param phone
     * @param url
     * @return supplierInfo
     */
    @Transactional
    public SupplierInfo updateSupplier(String supplierID, String name, String street, String city, String state,
            String zip, String phone, String url) {
        SupplierInfo supplierInfo = null;
        try {
            Util.debug("SuppliersBean.updateSupplier() - Entered");
            Supplier supplier = null;
            /*
             try { */
            supplier = em.find(Supplier.class, supplierID);
            if (supplier != null) {
                // Create a new Supplier if there is NOT an existing Supplier.
                // supplier = getSupplierLocalHome().findByPrimaryKey(new SupplierKey(supplierID));
                supplier.setName(name);
                supplier.setStreet(street);
                supplier.setCity(city);
                supplier.setUsstate(state);
                supplier.setZip(zip);
                supplier.setPhone(phone);
                supplier.setUrl(url);
                supplierInfo = new SupplierInfo(supplier);
                em.persist(supplier);
                em.flush();
            } else { // catch (FinderException e) {
                Util.debug("SuppliersBean.updateSupplier() - supplier doesn't exist.");
                Util.debug(
                        "SuppliersBean.updateSupplier() - Couldn't update Supplier for SupplierID: " + supplierID);
            }
        } catch (Exception e) {
            Util.debug("SuppliersBean.createSupplier() - Exception: " + e);
        }
        return (supplierInfo);
    }

    /**
     * @param supplierID
     * @return url
     */
    public String getSupplierURL(String supplierID) {
        String url = "";
        /*
         try { */
        Util.debug("SuppliersBean.getSupplierURL() - Entered");
        Supplier supplier = null;
        // Create a new Supplier if there is NOT an existing Supplier.
        // supplier = getSupplierLocalHome().findByPrimaryKey(new SupplierKey(supplierID));
        supplier = em.find(Supplier.class, supplierID);
        if (supplier != null)
            url = supplier.getUrl();
        /*
         } catch (Exception e) {
         Util.debug("SuppliersBean.getSupplierURL() - Exception: " + e);
         }
         */
        return (url);
    }

    /**
     * @return supplierItem
     */
    public SupplierInfo getSupplierInfo(String supplierID) {
        SupplierInfo supplierItem = null;
        Util.debug("SuppliersBean.getSupplierInfo() - Entered");
        Supplier supplier = null;

        // Return the supplier Info if the supplier exists.
        supplier = em.find(Supplier.class, supplierID);
        if (supplier != null)
            supplierItem = new SupplierInfo(supplier);
        else {
            Util.debug("SuppliersBean.getSupplierInfo() - Supplier " + supplierID + " not found");
        }
        return (supplierItem);
    }

    /**
     * @return supplierInfo
     */
    public SupplierInfo getSupplierInfo() {
        // Retrieve the first Supplier Info
        SupplierInfo supplierInfo = null;
        try {
            Collection<SupplierInfo> suppliers = this.findSuppliers();
            if (suppliers != null) {
                Util.debug("AdminServlet.getSupplierInfo() - Supplier found!");
                Iterator<SupplierInfo> i = suppliers.iterator();
                if (i.hasNext()) {
                    supplierInfo = (SupplierInfo) i.next();
                }
            }
        } catch (Exception e) {
            Util.debug("AdminServlet.getSupplierInfo() - Exception: " + e);
        }
        return (supplierInfo);
    }

    /**
     * @return suppliers
     */
    @SuppressWarnings("unchecked")
    public Collection<SupplierInfo> findSuppliers() {
        Vector suppliers = new Vector();
        /*
         try {
         Util.debug("BackOrderStockBean.findSuppliers() - Entered");
         Collection supplierItems = getSupplierLocalHome().findAll();
         Iterator i = supplierItems.iterator();
         while (i.hasNext()) {
         SupplierLocal supplier = (SupplierLocal) i.next();
         suppliers.add(new SupplierInfo(supplier));
         }
         } catch (Exception e) {
         Util.debug("BackOrderStockBean.findSupplierItems() - Exception: " + e);
         }
         */
        Query q = em.createNamedQuery("findAllSuppliers");
        List l = q.getResultList();
        if (l != null) {
            Iterator i = l.iterator();
            while (i.hasNext()) {
                Supplier supplier = (Supplier) i.next();
                suppliers.add(new SupplierInfo(supplier));
            }
        }

        return suppliers;
    }

}