ESBCOMP-89 Check if the MBean for datasource creation under GFv2 exists

ojc-core/bpelse/bpeljbiadapter/src/com/sun/jbi/engine/bpel/ConnectionConfigurationImpl.java

@@ -43,18 +43,22 @@ import javax.naming.InitialContext;
 import com.sun.jbi.engine.bpel.core.bpel.connection.ConnectionConfiguration;
 import com.sun.jbi.engine.bpel.core.bpel.exception.BPELConfigurationException;
 import com.sun.jbi.engine.bpel.util.I18n;
+import java.util.Set;
+import javax.management.MalformedObjectNameException;
 
 /**
- * Implemetation of the BPEL engine com.sun.jbi.engine.bpel.core.bpel.connection.ConnectionConfiguration
+ * Implemetation of the BPEL engine
- * interface. This Appserver context in which the BPEL engine resides, has the knowledge to create, configure
+ * com.sun.jbi.engine.bpel.core.bpel.connection.ConnectionConfiguration
- * and maintain the connection pools and jdbc resources.
+ * interface. This Appserver context in which the BPEL engine resides, has the
- * This class can be extended to implement all the connection requirements like schema creation, etc that 
+ * knowledge to create, configure and maintain the connection pools and jdbc
- * the BPEL engine needs.
+ * resources. This class can be extended to implement all the connection
+ * requirements like schema creation, etc that the BPEL engine needs.
  *
- * Currently this class is used as an user friendly utility to programmatically create connection pools and 
+ * Currently this class is used as an user friendly utility to programmatically
- * resources for the the Derby DB. This is done so that a user wanting to try out the product does not have
+ * create connection pools and resources for the the Derby DB. This is done so
- * to worry about these connection configurations.
+ * that a user wanting to try out the product does not have to worry about these
- * This could be extended to all other DB that are supported with proper design.
+ * connection configurations. This could be extended to all other DB that are
+ * supported with proper design.
  *
  * @author Sun Microsystems.
  *
@@ -70,7 +74,6 @@ public class ConnectionConfigurationImpl implements ConnectionConfiguration {
     private static final String PASSWORD = "pass2";
     private static final String SERVER_NAME = "localhost"; //default is taken as the localhost where Derby DB is running
     private static final String PORT_NUM = "1527"; // Derby DB port number (taken as the default.
-	
     private ComponentContext mComponentContext;
     private Properties mProperties;
 
@@ -83,7 +86,20 @@ public class ConnectionConfigurationImpl implements ConnectionConfiguration {
      * @see com.sun.jbi.engine.bpel.core.bpel.connection.ConnectionConfiguration#createConnections()
      */
     public void createConnectionsPools() {
+        boolean mBeanAvailable = false;
 
+        try {
+            MBeanServer mBeanServer = mComponentContext.getMBeanServer();
+            
+            Set<ObjectName> objectNames = mBeanServer.queryNames(
+                    new ObjectName(RESOURCES_MBEAN_OBJ_NAME), null);
+            
+            mBeanAvailable = !objectNames.isEmpty();
+        } catch (MalformedObjectNameException ex) {
+            // Nothing to do here... we are not running under Glassfish v2
+        }
+
+        if (mBeanAvailable) {
             try {
                 String nonXaJndiResName = mProperties.getProperty(DatabaseNonXAJNDIName);
                 String xaJndiResName = mProperties.getProperty(DatabaseXAJNDIName);
@@ -104,6 +120,7 @@ public class ConnectionConfigurationImpl implements ConnectionConfiguration {
                 throw new BPELConfigurationException(message);
             }
         }
+    }
 
     /* (non-Javadoc)
      * @see com.sun.jbi.engine.bpel.core.bpel.connection.ConnectionConfiguration#getNamingContext()
@@ -112,17 +129,18 @@ public class ConnectionConfigurationImpl implements ConnectionConfiguration {
         return mComponentContext.getNamingContext();
     }
 
-
     /**
-	 * This method creates a connection pool and a jdbc resource pointing to that pool
+     * This method creates a connection pool and a jdbc resource pointing to
-	 * if the pool is not already created.
+     * that pool if the pool is not already created. Use non public, non
-	 * Use non public, non published apis to lookup and create the pools and resources.
+     * published apis to lookup and create the pools and resources. Hence it is
-	 * Hence it is liable to change as and when the api's change.
+     * liable to change as and when the api's change.
      *
      * @param connPoolName, String value for the connection pool name.
      * @param jndiResName, String value for the Jdbc jndi resource name.
-	 * @param dataSrcClassName, String value of the actual datasource class name.
+     * @param dataSrcClassName, String value of the actual datasource class
-	 * @param resourceType, String value of the resource type. ex: javax.sql.DataSource
+     * name.
+     * @param resourceType, String value of the resource type. ex:
+     * javax.sql.DataSource
      * @param isXA, boolean value indicating if this is a XA connection
      * @throws Exception
      */
@@ -143,8 +161,8 @@ public class ConnectionConfigurationImpl implements ConnectionConfiguration {
         try {
             retRes = mBeanServer.invoke(configObjName,
                     "getJdbcResourceByJndiName",
-					new Object[] { jndiResName }, 
+                    new Object[]{jndiResName},
-					new String[] { String.class.getName() });
+                    new String[]{String.class.getName()});
 
         } catch (Exception resourceExec) {
             // if the JDBC Resource is not present then the above call throws an exception
@@ -165,8 +183,8 @@ public class ConnectionConfigurationImpl implements ConnectionConfiguration {
         try {
             retPool = mBeanServer.invoke(configObjName,
                     "getJdbcConnectionPoolByName",
-					new Object[] { connPoolName },
+                    new Object[]{connPoolName},
-					new String[] { String.class.getName() });
+                    new String[]{String.class.getName()});
 
         } catch (Exception poolExec) {
             // if the connPoolName is not there the above call throws an exception
@@ -229,10 +247,10 @@ public class ConnectionConfigurationImpl implements ConnectionConfiguration {
 
             // create the connection pool
             mBeanServer.invoke(configObjName, "createJdbcConnectionPool",
-					new Object[] { attrList, props, "domain" }, new String[] {
+                    new Object[]{attrList, props, "domain"}, new String[]{
                 javax.management.AttributeList.class.getName(),
                 java.util.Properties.class.getName(),
-							String.class.getName() });
+                String.class.getName()});
         } else {
             // the connection pool exits, log it.
             if (LOGGER.isLoggable(Level.FINE)) {
@@ -251,10 +269,10 @@ public class ConnectionConfigurationImpl implements ConnectionConfiguration {
         // create the JNDI JDBC resource
         mBeanServer.invoke(configObjName,
                 "createJdbcResource",
-				new Object[] { attrList2, new Properties(), "server" }, 
+                new Object[]{attrList2, new Properties(), "server"},
-				new String[] { javax.management.AttributeList.class.getName(),
+                new String[]{javax.management.AttributeList.class.getName(),
             java.util.Properties.class.getName(),
-					String.class.getName() });
+            String.class.getName()});
 
     }