From 1024cd0f3f549a9c6428057a02464da0bf023913 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Roland=20H=C3=A4der?= <roland@mxchange.org>
Date: Thu, 25 Aug 2016 11:44:37 +0200
Subject: [PATCH] Please cherry-pick: - added message-driven bean (unfinished)
 for adding user activity log - this is asynchronous and won't cause
 application freezes if inserting takes some time

---
 .../LandingUserActivityLogMessageBean.java    | 104 ++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 src/java/org/mxchange/jusercore/model/user/activity/LandingUserActivityLogMessageBean.java

diff --git a/src/java/org/mxchange/jusercore/model/user/activity/LandingUserActivityLogMessageBean.java b/src/java/org/mxchange/jusercore/model/user/activity/LandingUserActivityLogMessageBean.java
new file mode 100644
index 0000000..c4a865b
--- /dev/null
+++ b/src/java/org/mxchange/jusercore/model/user/activity/LandingUserActivityLogMessageBean.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2016 Cho-Time GmbH
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.mxchange.jusercore.model.user.activity;
+
+import de.chotime.landingpage.database.BaseLandingDatabaseBean;
+import java.io.Serializable;
+import java.text.MessageFormat;
+import javax.ejb.ActivationConfigProperty;
+import javax.ejb.MessageDriven;
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.MessageListener;
+import javax.jms.ObjectMessage;
+import org.mxchange.jmailee.model.delivery.wrapper.WrapableEmailDelivery;
+
+/**
+ * A message-driven bean for adding user activity log
+ * <p>
+ * @author Roland Haeder<rhaeder@cho-time.de>
+ */
+@MessageDriven (
+		name = "userActivityLog",
+		description = "A message-driven bean for adding user activity log",
+		activationConfig = {
+			@ActivationConfigProperty (
+					propertyName = "destinationLookup",
+					propertyValue = "jms/jlanding-user-activity-log"
+			),
+			@ActivationConfigProperty (
+					propertyName = "destinationType",
+					propertyValue = "javax.jms.Queue"
+			)
+		}
+)
+public class LandingUserActivityLogMessageBean extends BaseLandingDatabaseBean implements MessageListener {
+
+	/**
+	 * Serial number
+	 */
+	private static final long serialVersionUID = 14_920_686_785_732_054L;
+
+	/**
+	 * Default constructor
+	 */
+	public LandingUserActivityLogMessageBean () {
+	}
+
+	@Override
+	public void onMessage (final Message message) {
+		// Trace message
+		this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.onMessage: message={1} - CALLED!", this.getClass().getSimpleName(), message)); //NOI18N
+
+		// The parameter should be valid
+		if (null == message) {
+			// Throw NPE
+			throw new NullPointerException("message is null"); //NOI18N
+		} else if (!(message instanceof ObjectMessage)) {
+			// Not implementing right interface
+			throw new IllegalArgumentException(MessageFormat.format("message={0} does not implemented ObjectMessage", message)); //NOI18N
+		}
+
+		// Securely cast it
+		ObjectMessage objectMessage = (ObjectMessage) message;
+
+		// Init variable
+		Serializable serializable;
+
+		try {
+			// Get object from message
+			serializable = objectMessage.getObject();
+		} catch (final JMSException ex) {
+			// Log it and don't continue any further
+			this.getLoggerBeanLocal().logException(ex);
+			return;
+		}
+
+		// Debug message
+		this.getLoggerBeanLocal().logDebug(MessageFormat.format("{0}.onMessage: serializable={1}", this.getClass().getSimpleName(), serializable)); //NOI18N
+
+		// Okay, is it the right interface?
+		if (null == serializable) {
+			// Throw NPE
+			throw new NullPointerException("serializable is null"); //NOI18N
+		} else if (!(serializable instanceof WrapableEmailDelivery)) {
+			// Not correct object send
+			throw new IllegalArgumentException(MessageFormat.format("serializable={0} does not implement WrapableEmailDelivery", serializable)); //NOI18N
+		}
+	}
+
+}
-- 
2.39.5