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.basket.PizzaBasketWebSessionController;
  41 import org.mxchange.pizzaapplication.beans.contact.PizzaContactWebSessionController;
  42 import org.mxchange.pizzaapplication.beans.customer.PizzaCustomerWebSessionController;
  43 import org.mxchange.pizzaapplication.beans.receipt.PizzaReceiptWebSessionController;
  44
  45 /**
  46  * Checkout controller
  47  * <p>
  48  * @author Roland Haeder<roland@mxchange.org>
  49  */
  50 @Named ("checkoutController")
  51 @SessionScoped
  52 public class PizzaCheckoutWebSessionBean implements PizzaCheckoutWebSessionController {
  53
  54         /**
  55          * Serial number
  56          */
  57         private static final long serialVersionUID = 51_987_348_347_183L;
  58
  59         ////////////////////// Bean injections ///////////////////////
  60         /**
  61          * Basket bean
  62          */
  63         @Inject
  64         private PizzaBasketWebSessionController basketController;
  65
  66         /**
  67          * Connection
  68          */
  69         private Connection connection;
  70
  71         /**
  72          * Contact controller
  73          */
  74         @Inject
  75         private PizzaContactWebSessionController contactController;
  76
  77         /**
  78          * Customer instance
  79          */
  80         private Customer customer;
  81
  82         /**
  83          * Customer bean
  84          */
  85         @Inject
  86         private PizzaCustomerWebSessionController customerController;
  87
  88         /**
  89          * Object message
  90          */
  91         private ObjectMessage message;
  92
  93         /**
  94          * Message producer
  95          */
  96         private MessageProducer messageProducer;
  97
  98         /**
  99          * Queue instance
 100          */
 101         private Queue queue;
 102
 103         /**
 104          * Receipt bean
 105          */
 106         @Inject
 107         private PizzaReceiptWebSessionController receiptController;
 108
 109         /**
 110          * Session instance
 111          */
 112         private Session session;
 113
 114         /**
 115          * Destructor
 116          */
 117         @PreDestroy
 118         public void destroy () {
 119                 try {
 120                         // Try to close all
 121                         this.messageProducer.close();
 122                         this.session.close();
 123                         this.connection.close();
 124                 } catch (final JMSException ex) {
 125                         // TODO: Continue to throw is fine?
 126                         throw new FacesException(ex);
 127                 }
 128         }
 129
 130         @Override
 131         public String doCheckout () {
 132                 // Trace message
 133                 //this.getLogger().logTrace("doCheckout: CALLED!");
 134
 135                 // Are the beans set?
 136                 if (null == this.basketController) {
 137                         // Abort here
 138                         throw new NullPointerException("basketController is null"); //NOI18N
 139                 } else if (null == this.customerController) {
 140                         // Abort here
 141                         throw new NullPointerException("customer is null"); //NOI18N
 142                 }
 143
 144                 // Are at least the required fields set?
 145                 if (!this.contactController.isRequiredPersonalDataSet()) {
 146                         // Trace message
 147                         //this.getLogger().logTrace("doCheckout: Not all required fields are set, returning checkout2 ... - EXIT!");
 148
 149                         // Not set, should not happen
 150                         return "checkout2"; //NOI18N
 151                 } else if (this.basketController.isEmpty()) {
 152                         // Trace message
 153                         //this.getLogger().logTrace("doCheckout: basket is empty, returning empty_basket ... - EXIT!");
 154
 155                         // Nothing to order
 156                         return "empty_basket"; //NOI18N
 157                 }
 158
 159                 // Create customer instance
 160                 this.setCustomer(this.customerController.createCustomerInstance());
 161
 162                 // Debug message
 163                 //this.getLogger().logDebug(MessageFormat.format("doCheckout: customer={0}", this.getCustomer()));
 164                 // Get ordered list
 165                 List<AddableBasketItem> list = this.basketController.allItems();
 166
 167                 // Debug message
 168                 //this.getLogger().logTrace(MessageFormat.format("doCheckout: list={0}", list));
 169                 // Construct container
 170                 WrapableCheckout wrapper = new CheckoutWrapper();
 171                 wrapper.setCustomer(this.getCustomer());
 172                 wrapper.setList(list);
 173
 174                 try {
 175                         // Construct object message
 176                         this.message.setObject(wrapper);
 177
 178                         // Send message
 179                         this.messageProducer.send(this.message);
 180                 } catch (final JMSException ex) {
 181                         // TODO: Log exception?
 182                         // Not working
 183                         return "jms_failed"; //NOI18N
 184                 }
 185
 186                 // Clear basket
 187                 this.basketController.clear();
 188
 189                 // Set customer in receipt controller for verification
 190                 this.receiptController.setCustomer(this.getCustomer());
 191
 192                 // All fine
 193                 return "checkout_done"; //NOI18N
 194         }
 195
 196         @Override
 197         public Customer getCustomer () {
 198                 return this.customer;
 199         }
 200
 201         @Override
 202         public void setCustomer (final Customer customer) {
 203                 this.customer = customer;
 204         }
 205
 206         /**
 207          * Initialization of this bean
 208          */
 209         @PostConstruct
 210         public void init () {
 211                 try {
 212                         // Get initial context
 213                         Context context = new InitialContext();
 214
 215                         // Get factory from JMS resource
 216                         QueueConnectionFactory connectionFactory = (QueueConnectionFactory) context.lookup("jms/shopConnectionFactory"); //NOI18N
 217
 218                         // Lookup queue
 219                         this.queue = (Queue) context.lookup("jms/shopCheckoutQueue"); //NOI18N
 220
 221                         // Create connection
 222                         this.connection = connectionFactory.createConnection();
 223
 224                         // Init session instance
 225                         this.session = this.connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
 226
 227                         // And message producer
 228                         this.messageProducer = this.session.createProducer(this.queue);
 229
 230                         // Finally the message instance itself
 231                         this.message = this.session.createObjectMessage();
 232                 } catch (final NamingException | JMSException e) {
 233                         // Continued to throw
 234                         throw new FacesException(e);
 235                 }
 236         }
 237
 238 }