From 472e67bf5e30b7a14e5d58bae312c12d766a6144 Mon Sep 17 00:00:00 2001
From: "Weston M. Price" <wprice@apache.org>
Date: Wed, 18 Apr 2012 01:34:52 +0000
Subject: QPID-3955: Qpid JCA Adapter should throw ResourceException if
 TransactionManager Cannot be located.

QPID-3956: Add WLSTransactionManagerLocatorClass.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1327352 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/qpid/ra/QpidResourceAdapter.java    |  6 +-
 .../qpid/ra/tm/WLSTransactionManagerLocator.java   | 64 ++++++++++++++++++++++
 .../apache/qpid/ra/QpidResourceAdapterTest.java    | 31 +++++++++++
 3 files changed, 98 insertions(+), 3 deletions(-)
 create mode 100644 qpid/java/jca/src/main/java/org/apache/qpid/ra/tm/WLSTransactionManagerLocator.java

diff --git a/qpid/java/jca/src/main/java/org/apache/qpid/ra/QpidResourceAdapter.java b/qpid/java/jca/src/main/java/org/apache/qpid/ra/QpidResourceAdapter.java
index 84c1414617..14b5354062 100644
--- a/qpid/java/jca/src/main/java/org/apache/qpid/ra/QpidResourceAdapter.java
+++ b/qpid/java/jca/src/main/java/org/apache/qpid/ra/QpidResourceAdapter.java
@@ -681,7 +681,7 @@ public class QpidResourceAdapter implements ResourceAdapter, Serializable
       return map;
    }
 
-   private void locateTM()
+   private void locateTM() throws ResourceAdapterInternalException
    {
       if(_raProperties.getTransactionManagerLocatorClass() != null && _raProperties.getTransactionManagerLocatorMethod() != null)
       {
@@ -703,8 +703,8 @@ public class QpidResourceAdapter implements ResourceAdapter, Serializable
 
       if (_tm == null)
       {
-         _log.warn("It wasn't possible to lookup a Transaction Manager through the configured properties TransactionManagerLocatorClass and TransactionManagerLocatorMethod");
-         _log.warn("Qpid Resource Adapter won't be able to set and verify transaction timeouts in certain cases.");
+         _log.error("It wasn't possible to locate javax.transaction.TransactionManager via the RA properties TransactionManagerLocatorClass and TransactionManagerLocatorMethod");
+         throw new ResourceAdapterInternalException("Could not locate javax.transaction.TransactionManager");
       }
       else
       {
diff --git a/qpid/java/jca/src/main/java/org/apache/qpid/ra/tm/WLSTransactionManagerLocator.java b/qpid/java/jca/src/main/java/org/apache/qpid/ra/tm/WLSTransactionManagerLocator.java
new file mode 100644
index 0000000000..29e673d28e
--- /dev/null
+++ b/qpid/java/jca/src/main/java/org/apache/qpid/ra/tm/WLSTransactionManagerLocator.java
@@ -0,0 +1,64 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package org.apache.qpid.ra.tm;
+
+
+import javax.naming.InitialContext;
+import javax.transaction.TransactionManager;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class WLSTransactionManagerLocator
+{
+    private static final Logger _log = LoggerFactory.getLogger(WLSTransactionManagerLocator.class);
+
+    private static final String TM_JNDI_NAME = "javax.transaction.TransactionManager";
+
+    public TransactionManager getTm() throws Exception
+    {
+        InitialContext ctx = null;
+        TransactionManager tm = null;
+
+        try
+        {
+            ctx = new InitialContext();
+            tm = (TransactionManager)ctx.lookup(TM_JNDI_NAME);
+        }
+        catch(Exception e)
+        {
+            _log.error("Unable to locate javax.transaction.TransactionManager " + e.getMessage());
+        }
+        finally
+        {
+            try
+            {
+                if(ctx != null)
+                {
+                    ctx.close();
+                }
+            }
+            catch(Exception ignore){}
+        }
+
+        return tm;
+    }
+}
+
diff --git a/qpid/java/jca/src/test/java/org/apache/qpid/ra/QpidResourceAdapterTest.java b/qpid/java/jca/src/test/java/org/apache/qpid/ra/QpidResourceAdapterTest.java
index 0db7c710d9..ccad952d64 100644
--- a/qpid/java/jca/src/test/java/org/apache/qpid/ra/QpidResourceAdapterTest.java
+++ b/qpid/java/jca/src/test/java/org/apache/qpid/ra/QpidResourceAdapterTest.java
@@ -20,9 +20,11 @@
  */
 package org.apache.qpid.ra;
 
+import javax.resource.spi.ResourceAdapterInternalException;
 
 import junit.framework.TestCase;
 
+
 public class QpidResourceAdapterTest extends TestCase
 {
     public void testGetXAResources() throws Exception
@@ -31,4 +33,33 @@ public class QpidResourceAdapterTest extends TestCase
         assertNull(ra.getXAResources(null));
     }
 
+    public void testTransactionManagerLocatorException() throws Exception
+    {
+
+        QpidResourceAdapter ra = new QpidResourceAdapter();
+        assertNull(ra.getTransactionManagerLocatorClass());
+        assertNull(ra.getTransactionManagerLocatorMethod());
+
+        try
+        {
+            ra.start(null);
+        }
+        catch(ResourceAdapterInternalException e)
+        {
+
+        }
+
+        ra.setTransactionManagerLocatorClass("DummyLocator");
+
+        try
+        {
+            ra.start(null);
+        }
+        catch(ResourceAdapterInternalException e)
+        {
+
+        }
+
+    }
+
 }
-- 
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