From: Roland Haeder <roland@mxchange.org>
Date: Wed, 14 Oct 2015 08:17:13 +0000 (+0200)
Subject: Continued:
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=86c237803c419e9077f10451f6d42694a49b58f2;p=addressbook-mailer-ejb.git

Continued:
- added remote session bean for sharing address books
- updated jar(s)
Signed-off-by:Roland Häder <roland@mxchange.org>
---

diff --git a/lib/jcoreee.jar b/lib/jcoreee.jar
index c2e022d..4cdb134 100644
Binary files a/lib/jcoreee.jar and b/lib/jcoreee.jar differ
diff --git a/src/java/org/mxchange/addressbook/model/shared/SharedAddressbooksSessionBean.java b/src/java/org/mxchange/addressbook/model/shared/SharedAddressbooksSessionBean.java
new file mode 100644
index 0000000..6759f9a
--- /dev/null
+++ b/src/java/org/mxchange/addressbook/model/shared/SharedAddressbooksSessionBean.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2015 Roland Haeder
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.mxchange.addressbook.model.shared;
+
+import java.text.MessageFormat;
+import java.util.List;
+import javax.ejb.Stateless;
+import javax.persistence.NoResultException;
+import javax.persistence.Query;
+import org.mxchange.addressbook.model.addressbook.shared.AddressbookShare;
+import org.mxchange.addressbook.model.addressbook.shared.ShareableAddressbook;
+import org.mxchange.jcoreee.database.BaseDatabaseBean;
+import org.mxchange.jusercore.model.user.User;
+
+/**
+ * A stateless bean for handling address book sharing
+ * <p>
+ * @author Roland Haeder
+ */
+@Stateless (name = "share", mappedName = "ejb/stateless-share", description = "A stateless bean for handling shared addressbooks")
+public class SharedAddressbooksSessionBean extends BaseDatabaseBean implements SharedAddressbooksSessionBeanRemote {
+
+	/**
+	 * Serial number
+	 */
+	private static final long serialVersionUID = 136_984_697_285_694_710L;
+
+	/**
+	 * Shared address books. If you add another share to the database, please
+	 * also update this list as some methods may prefer this over asking the JPA
+	 * all over again.
+	 */
+	private List<ShareableAddressbook> shares;
+
+	/**
+	 * Default constructor
+	 */
+	public SharedAddressbooksSessionBean () {
+		// Init shares list
+		this.shares = null;
+	}
+
+	@Override
+	@SuppressWarnings ("unchecked")
+	public boolean isUserSharingAddressbooks (final User user) {
+		// Trace message
+		this.getLoggerBeanLocal().logTrace(MessageFormat.format("isUserSharingAddressbooks: user={0} - CALLED!", user)); //NOI18N
+
+		// Is user null?
+		if (null == user) {
+			// Throw NPE
+			throw new NullPointerException("user is null"); //NOI18N
+		} else if (user.getUserId() == null) {
+			// Null userId is not allowed
+			throw new NullPointerException("user.userId is null"); //NOI18N
+		} else if (user.getUserId() < 1) {
+			// Not allowed value
+			throw new IllegalArgumentException(MessageFormat.format("user.UserId={0} is an invalid value", user.getUserId())); //NOI18N
+		} else if (this.shares instanceof List) {
+			// Trace message
+			this.getLoggerBeanLocal().logTrace(MessageFormat.format("isUserSharingAddressbooks: this.shares.isEmpty()={0} - EXIT!", this.shares.isEmpty()));
+
+			// Is already initialized
+			return (!this.shares.isEmpty());
+		}
+
+		// Get named query
+		Query query = this.getEntityManager().createNamedQuery("SearchUserSharedAddressbooks", AddressbookShare.class); //NOI18N
+
+		// Set parameter
+		query.setParameter("user", user); //NOI18N
+
+		// Default is not sharing
+		boolean isSharing = false;
+
+		// Try it as an exception may be thrown
+		try {
+			// Get results
+			this.shares = query.getResultList();
+
+			// Debug message
+			this.getLoggerBeanLocal().logDebug(MessageFormat.format("isUserSharingAddressbooks: shares.size()={0}", this.shares.size()));
+
+			// Is it not empty?
+			isSharing = (!this.shares.isEmpty());
+		} catch (final NoResultException ex) {
+			// Not sharing anything
+			this.getLoggerBeanLocal().logDebug(MessageFormat.format("isUserSharingAddressbooks: User {0} is not sharing address books: {1}", user, ex)); //NOI18N
+		}
+
+		// Trace message
+		this.getLoggerBeanLocal().logTrace(MessageFormat.format("isUserSharingAddressbooks: iSharing={0} - EXIT!", isSharing)); //NOI18N
+
+		// Return it
+		return isSharing;
+	}
+}