[jboss-cvs] JBossAS SVN: r73988 - trunk/connector/src/main/org/jboss/resource/adapter/jdbc/vendor.

[jboss-cvs-commits at lists.jboss.org]

Author: jeff.zhang
Date: 2008-06-03 03:54:45 -0400 (Tue, 03 Jun 2008)
New Revision: 73988

Added:
   trunk/connector/src/main/org/jboss/resource/adapter/jdbc/vendor/MSSQLValidConnectionChecker.java
Log:
[JBAS-4911] MSSQLValidConnectionChecker throws exception with MS SQL Server 2005 JDBC driver

Added: trunk/connector/src/main/org/jboss/resource/adapter/jdbc/vendor/MSSQLValidConnectionChecker.java
===================================================================
--- trunk/connector/src/main/org/jboss/resource/adapter/jdbc/vendor/MSSQLValidConnectionChecker.java	                        (rev 0)
+++ trunk/connector/src/main/org/jboss/resource/adapter/jdbc/vendor/MSSQLValidConnectionChecker.java	2008-06-03 07:54:45 UTC (rev 73988)
@@ -0,0 +1,83 @@
+/*
+ * JBoss, Home of Professional Open Source.
+ * Copyright 2006, Red Hat Middleware LLC, and individual contributors
+ * as indicated by the @author tags. See the copyright.txt file in the
+ * distribution for a full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.resource.adapter.jdbc.vendor;
+
+import java.io.Serializable;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+import org.jboss.logging.Logger;
+import org.jboss.resource.adapter.jdbc.ValidConnectionChecker;
+
+/**
+ * A MSSQLValidConnectionChecker.
+ * 
+ * @author <a href="weston.price at jboss.com">Weston Price</a>
+ * @version $Revision$
+ */
+public class MSSQLValidConnectionChecker implements ValidConnectionChecker, Serializable
+{
+   private static final String QUERY = "SELECT 1";
+   private static final Logger log = Logger.getLogger(MSSQLValidConnectionChecker.class);
+   
+   /** The serialVersionUID */
+   private static final long serialVersionUID = 3995516551833725723L;
+
+   public SQLException isValidConnection(final Connection c)
+   {
+      SQLException sqe = null;
+      Statement stmt = null;
+
+      try
+      {
+         stmt = c.createStatement();
+         stmt.execute(QUERY);
+      }
+     
+      catch (SQLException e)
+      {
+         log.warn("warning: connection validation failed for current managed connection.");
+         sqe = e;
+      }
+      finally
+      {
+         try
+         {
+            if(stmt != null)
+            {
+               stmt.close();
+               
+            }
+         }
+         catch (SQLException e)
+         {
+            log.warn("simple close failed for managed connection", e);
+            
+         }
+
+      }
+            
+      return sqe;
+   }
+
+}