src/java/org/mxchange/pizzaapplication/beans/checkout/PizzaCheckoutWebSessionBean.java

   1 /*
   2  * Copyright (C) 2016 Roland Haeder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.pizzaapplication.beans.checkout;
  18
  19 import java.util.List;
  20 import javax.annotation.PostConstruct;
  21 import javax.annotation.PreDestroy;
  22 import javax.enterprise.context.SessionScoped;
  23 import javax.faces.FacesException;
  24 import javax.inject.Inject;
  25 import javax.inject.Named;
  26 import javax.jms.Connection;
  27 import javax.jms.JMSException;
  28 import javax.jms.MessageProducer;
  29 import javax.jms.ObjectMessage;
  30 import javax.jms.Queue;
  31 import javax.jms.QueueConnectionFactory;
  32 import javax.jms.Session;
  33 import javax.naming.Context;
  34 import javax.naming.InitialContext;
  35 import javax.naming.NamingException;
  36 import org.mxchange.jcustomercore.model.customer.Customer;
  37 import org.mxchange.jshopcore.model.basket.AddableBasketItem;
  38 import org.mxchange.jshopcore.wrapper.CheckoutWrapper;
  39 import org.mxchange.jshopcore.wrapper.WrapableCheckout;
  40 import org.mxchange.pizzaapplication.beans.BasePizzaController;
  41 import org.mxchange.pizzaapplication.beans.basket.PizzaBasketWebSessionController;
  42 import org.mxchange.pizzaapplication.beans.contact.PizzaContactWebSessionController;
  43 import org.mxchange.pizzaapplication.beans.customer.PizzaCustomerWebSessionController;
  44 import org.mxchange.pizzaapplication.beans.receipt.PizzaReceiptWebSessionController;
  45
  46 /**
  47  * Checkout controller
  48  * <p>
  49  * @author Roland Haeder<roland@mxchange.org>
  50  */
  51 @Named ("checkoutController")
  52 @SessionScoped
  53 public class PizzaCheckoutWebSessionBean extends BasePizzaController implements PizzaCheckoutWebSessionController {
  54
  55         /**
  56          * Serial number
  57          */
  58         private static final long serialVersionUID = 51_987_348_347_183L;
  59
  60         ////////////////////// Bean injections ///////////////////////
  61         /**
  62          * Basket bean
  63          */
  64         @Inject
  65         private PizzaBasketWebSessionController basketController;
  66
  67         /**
  68          * Connection
  69          */
  70         private Connection connection;
  71
  72         /**
  73          * Contact controller
  74          */
  75         @Inject
  76         private PizzaContactWebSessionController contactController;
  77
  78         /**
  79          * Customer instance
  80          */
  81         private Customer customer;
  82
  83         /**
  84          * Customer bean
  85          */
  86         @Inject
  87         private PizzaCustomerWebSessionController customerController;
  88
  89         /**
  90          * Object message
  91          */
  92         private ObjectMessage message;
  93
  94         /**
  95          * Message producer
  96          */
  97         private MessageProducer messageProducer;
  98
  99         /**
 100          * Queue instance
 101          */
 102         private Queue queue;
 103
 104         /**
 105          * Receipt bean
 106          */
 107         @Inject
 108         private PizzaReceiptWebSessionController receiptController;
 109
 110         /**
 111          * Session instance
 112          */
 113         private Session session;
 114
 115         /**
 116          * Destructor
 117          */
 118         @PreDestroy
 119         public void destroy () {
 120                 try {
 121                         // Try to close all
 122                         this.messageProducer.close();
 123                         this.session.close();
 124                         this.connection.close();
 125                 } catch (final JMSException ex) {
 126                         // TODO: Continue to throw is fine?
 127                         throw new FacesException(ex);
 128                 }
 129         }
 130
 131         @Override
 132         public String doCheckout () {
 133                 // Trace message
 134                 //* NOISY-DEBUG: */ System.out.println("doCheckout: CALLED!");
 135
 136                 // Are the beans set?
 137                 if (null == this.basketController) {
 138                         // Abort here
 139                         throw new NullPointerException("basketController is null"); //NOI18N
 140                 } else if (null == this.customerController) {
 141                         // Abort here
 142                         throw new NullPointerException("customer is null"); //NOI18N
 143                 }
 144
 145                 // Are at least the required fields set?
 146                 if (!this.contactController.isRequiredPersonalDataSet()) {
 147                         // Trace message
 148                         //* NOISY-DEBUG: */ System.out.println("doCheckout: Not all required fields are set, returning checkout2 ... - EXIT!");
 149
 150                         // Not set, should not happen
 151                         return "checkout2"; //NOI18N
 152                 } else if (this.basketController.isEmpty()) {
 153                         // Trace message
 154                         //* NOISY-DEBUG: */ System.out.println("doCheckout: basket is empty, returning empty_basket ... - EXIT!");
 155
 156                         // Nothing to order
 157                         return "empty_basket"; //NOI18N
 158                 }
 159
 160                 // Create customer instance
 161                 this.setCustomer(this.customerController.createCustomerInstance());
 162
 163                 // Debug message
 164                 //this.getLogger().logDebug(MessageFormat.format("doCheckout: customer={0}", this.getCustomer()));
 165
 166                 // Get ordered list
 167                 List<AddableBasketItem> list = this.basketController.allItems();
 168
 169                 // Debug message
 170                 //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("doCheckout: list={0}", list));
 171
 172                 // Construct container
 173                 WrapableCheckout wrapper = new CheckoutWrapper();
 174                 wrapper.setCustomer(this.getCustomer());
 175                 wrapper.setList(list);
 176
 177                 try {
 178                         // Construct object message
 179                         this.message.setObject(wrapper);
 180
 181                         // Send message
 182                         this.messageProducer.send(this.message);
 183                 } catch (final JMSException ex) {
 184                         // TODO: Log exception?
 185                         // Not working
 186                         return "jms_failed"; //NOI18N
 187                 }
 188
 189                 // Clear basket
 190                 this.basketController.clear();
 191
 192                 // Set customer in receipt controller for verification
 193                 this.receiptController.setCustomer(this.getCustomer());
 194
 195                 // All fine
 196                 return "checkout_done"; //NOI18N
 197         }
 198
 199         @Override
 200         public Customer getCustomer () {
 201                 return this.customer;
 202         }
 203
 204         @Override
 205         public void setCustomer (final Customer customer) {
 206                 this.customer = customer;
 207         }
 208
 209         /**
 210          * Initialization of this bean
 211          */
 212         @PostConstruct
 213         public void init () {
 214                 try {
 215                         // Get initial context
 216                         Context context = new InitialContext();
 217
 218                         // Get factory from JMS resource
 219                         QueueConnectionFactory connectionFactory = (QueueConnectionFactory) context.lookup("jms/shopConnectionFactory"); //NOI18N
 220
 221                         // Lookup queue
 222                         this.queue = (Queue) context.lookup("jms/shopCheckoutQueue"); //NOI18N
 223
 224                         // Create connection
 225                         this.connection = connectionFactory.createConnection();
 226
 227                         // Init session instance
 228                         this.session = this.connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
 229
 230                         // And message producer
 231                         this.messageProducer = this.session.createProducer(this.queue);
 232
 233                         // Finally the message instance itself
 234                         this.message = this.session.createObjectMessage();
 235                 } catch (final NamingException | JMSException e) {
 236                         // Continued to throw
 237                         throw new FacesException(e);
 238                 }
 239         }
 240
 241 }