DisplayInventoryBean.java |
/* * Copyright 2002 Sun Microsystems, Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistribution in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * Neither the name of Sun Microsystems, Inc. or the names of * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * This software is provided "AS IS," without a warranty of any * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY * EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN * OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR * FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR * PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF * LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that Software is not designed, licensed or intended * for use in the design, construction, operation or maintenance of * any nuclear facility. */ package com.sun.j2ee.blueprints.supplier.inventory.web; import java.util.Collection; import javax.naming.InitialContext; import javax.naming.NamingException; import javax.ejb.FinderException; import com.sun.j2ee.blueprints.supplier.inventory.ejb.InventoryLocal; import com.sun.j2ee.blueprints.supplier.inventory.ejb.InventoryLocalHome; import com.sun.j2ee.blueprints.supplier.inventory.web.JNDINames; import com.sun.j2ee.blueprints.servicelocator.ejb.ServiceLocator; import com.sun.j2ee.blueprints.servicelocator.ServiceLocatorException; /** * This class has an accessor method that allows the "receiver" application * obtain all inventory items along with their current quantity. This is to * enable the receiver application to display the items and get them quantity * updated */ public class DisplayInventoryBean { private InventoryLocalHome inventoryHomeRef = null; public DisplayInventoryBean() {} /** * This method gets a list of the current items in the inventory along * with the current quantity * @return <Code>Collection</Code> of Items and their quantitites */ public Collection getInventory() { Collection invColl = null; try { if(inventoryHomeRef == null) { ServiceLocator serviceLocator = new ServiceLocator(); inventoryHomeRef = (InventoryLocalHome) serviceLocator.getLocalHome(JNDINames.INV_EJB); } invColl = inventoryHomeRef.findAllInventoryItems(); } catch(ServiceLocatorException ne) { ne.printStackTrace(); } catch(FinderException fe) { fe.printStackTrace(); } return invColl; } }
DisplayInventoryBean.java |