src/java/org/mxchange/jusercore/model/user/activity/AddressbookUserActivityLogMessageBean.java

   1 /*
   2  * Copyright (C) 2016, 2017 Roland Häder
   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.jusercore.model.user.activity;
  18
  19 import java.io.Serializable;
  20 import java.text.MessageFormat;
  21 import javax.ejb.ActivationConfigProperty;
  22 import javax.ejb.MessageDriven;
  23 import javax.jms.JMSException;
  24 import javax.jms.Message;
  25 import javax.jms.MessageListener;
  26 import javax.jms.ObjectMessage;
  27 import org.mxchange.addressbook.database.BaseAddressbookDatabaseBean;
  28 import org.mxchange.jusercore.model.user.User;
  29
  30 /**
  31  * A message-driven bean for adding user activity log
  32  * <p>
  33  * @author Roland Häder<roland@mxchange.org>
  34  */
  35 @MessageDriven (
  36                 name = "userActivityLog",
  37                 description = "A message-driven bean for adding user activity log",
  38                 activationConfig = {
  39                         @ActivationConfigProperty (
  40                                         propertyName = "destinationLookup",
  41                                         propertyValue = "jms/addressbook-user-activity-log"
  42                         ),
  43                         @ActivationConfigProperty (
  44                                         propertyName = "destinationType",
  45                                         propertyValue = "javax.jms.Queue"
  46                         )
  47                 }
  48 )
  49 public class AddressbookUserActivityLogMessageBean extends BaseAddressbookDatabaseBean implements MessageListener {
  50
  51         /**
  52          * Serial number
  53          */
  54         private static final long serialVersionUID = 14_920_686_785_732_054L;
  55
  56         /**
  57          * Default constructor
  58          */
  59         public AddressbookUserActivityLogMessageBean () {
  60         }
  61
  62         @Override
  63         public void onMessage (final Message message) {
  64                 // Trace message
  65                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.onMessage: message={1} - CALLED!", this.getClass().getSimpleName(), message)); //NOI18N
  66
  67                 // The parameter should be valid
  68                 if (null == message) {
  69                         // Throw NPE
  70                         throw new NullPointerException("message is null"); //NOI18N
  71                 } else if (!(message instanceof ObjectMessage)) {
  72                         // Not implementing right interface
  73                         throw new IllegalArgumentException(MessageFormat.format("message={0} does not implemented ObjectMessage", message)); //NOI18N
  74                 }
  75
  76                 // Securely cast it
  77                 ObjectMessage objectMessage = (ObjectMessage) message;
  78
  79                 // Init variable
  80                 Serializable serializable;
  81
  82                 try {
  83                         // Get object from message
  84                         serializable = objectMessage.getObject();
  85                 } catch (final JMSException ex) {
  86                         // Log it and don't continue any further
  87                         this.getLoggerBeanLocal().logException(ex);
  88                         return;
  89                 }
  90
  91                 // Debug message
  92                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("{0}.onMessage: serializable={1}", this.getClass().getSimpleName(), serializable)); //NOI18N
  93
  94                 // Okay, is it the right interface?
  95                 if (null == serializable) {
  96                         // Throw NPE
  97                         throw new NullPointerException("serializable is null"); //NOI18N
  98                 } else if (!(serializable instanceof LogableUserActivity)) {
  99                         // Not correct object send
 100                         throw new IllegalArgumentException(MessageFormat.format("serializable={0} does not implement LogableUserActivity", serializable)); //NOI18N
 101                 }
 102
 103                 // Securely cast it
 104                 LogableUserActivity userActivity = (LogableUserActivity) serializable;
 105
 106                 // Should be valid
 107                 if (null == userActivity) {
 108                         // Throw NPE
 109                         throw new NullPointerException("userActivity is null"); //NOI18N
 110                 } else if (userActivity.getActivityId() instanceof Long) {
 111                         // Id number should not be set
 112                         throw new IllegalArgumentException(MessageFormat.format("userActivity.activityId={0} should be null", userActivity.getActivityId())); //NOI18N
 113                 } else if (userActivity.getActivityUser() == null) {
 114                         // Throw NPE again
 115                         throw new NullPointerException("userActivity.activityUser is null"); //NOI18N
 116                 } else if (userActivity.getActivityUser().getUserId() == null) {
 117                         // Throw NPE again
 118                         throw new NullPointerException("userActivity.activityUser.userId is null"); //NOI18N
 119                 } else if (userActivity.getActivityUser().getUserId() < 1) {
 120                         // Throw NPE again
 121                         throw new IllegalArgumentException(MessageFormat.format("userActivity.activityUser.userId={0}  is not valid", userActivity.getActivityUser().getUserId())); //NOI18N
 122                 } else if (userActivity.getActivityType() == null) {
 123                         // Throw again ...
 124                         throw new NullPointerException("userActivity.activityType is null"); //NOI18N
 125                 } else if (userActivity.getActivityType().isEmpty()) {
 126                         // Empty type
 127                         throw new IllegalArgumentException("userActivity.activityType is empty"); //NOI18N
 128                 } else if ((userActivity.getActivityMessage() instanceof String) && (userActivity.getActivityMessage().isEmpty())) {
 129                         // Set but empty message
 130                         throw new IllegalArgumentException("userActivity.activityMessage is empty"); //NOI18N
 131                 } else if (userActivity.getActivityTimestamp() == null) {
 132                         // Throw NPE again
 133                         throw new NullPointerException("userActivity.activityTimestamp is null"); //NOI18N
 134                 }
 135
 136                 // Make user instance managed
 137                 User managedUser = this.getManagedUser(userActivity.getActivityUser());
 138
 139                 // Set it back
 140                 userActivity.setActivityUser(managedUser);
 141
 142                 // All fine, persist it
 143                 this.getEntityManager().persist(userActivity);
 144
 145                 // Trace message
 146                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.onMessage: EXIT!", this.getClass().getSimpleName())); //NOI18N
 147         }
 148
 149 }