[jboss-svn-commits] JBL Code SVN: r5495 - labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection

jboss-svn-commits at lists.jboss.org jboss-svn-commits at lists.jboss.org
Sat Aug 5 12:14:02 EDT 2006


Author: mohit309
Date: 2006-08-05 12:13:55 -0400 (Sat, 05 Aug 2006)
New Revision: 5495

Modified:
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/AbandonedConnectionTimerTask.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionFactory.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionPool.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionPoolFactory.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionProperties.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionWrapper.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/DefaultConnectionPoolImpl.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/DriverConnectionFactory.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/FreeConnectionPoolResources.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/PasswordDecoder.java
   labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/PoolDataSource.java
Log:
Modified code to coding standards

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/AbandonedConnectionTimerTask.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/AbandonedConnectionTimerTask.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/AbandonedConnectionTimerTask.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -26,7 +26,7 @@
 /**
  * Timer task which will run at scheduled times based on the property set by the user.
  * This task will remove all unused connections which have elapsed a certain period of time
- * User: MohitK
+ * @author MohitK
  * Date: Jul 26, 2006
  */
 public class AbandonedConnectionTimerTask extends TimerTask {

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionFactory.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionFactory.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionFactory.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -25,8 +25,9 @@
 import java.sql.SQLException;
 
 /**
- * Factory interface for creating connections based on different sources such as DataSource, DriverConnection
- * User: MohitK
+ * Factory interface for creating connections based on different sources such as Driver, DriverManager or any
+ * third party implementation
+ * @author MohitK
  * Date: Jul 18, 2006
  */
 public interface ConnectionFactory {

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionPool.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionPool.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionPool.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -21,23 +21,25 @@
 */
 package org.jboss.soa.esb.connection;
 
-import org.jboss.soa.esb.connection.exception.ESBConnectionException;
+import org.jboss.soa.esb.connection.exception.ConnectionException;
 
 import java.sql.Connection;
 import java.sql.SQLException;
 
 /**
- * TODO
- * User: MohitK
+ * Interface that needs to be implemented to provide pool of connections.
+ * @see DefaultConnectionPoolImpl
+ * Default implementation of Connection Pool
+ * @author MohitK
  * Date: Jul 18, 2006
  */
 public interface ConnectionPool {
     /**
      * This method is used to create the connection pool and keep it ready
      * @param prop Properties for the connection pool including connection properties
-     * @throws ESBConnectionException
+     * @throws ConnectionException
      */
-    public void createPool(ConnectionProperties prop) throws ESBConnectionException;
+    public void createPool(ConnectionProperties prop) throws ConnectionException;
 
     /**
      *  This method is called whenever a connection is needed from the pool.

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionPoolFactory.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionPoolFactory.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionPoolFactory.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -21,35 +21,44 @@
 */
 package org.jboss.soa.esb.connection;
 
-import org.jboss.soa.esb.connection.exception.ESBConnectionException;
+import org.apache.log4j.Logger;
+import org.jboss.soa.esb.connection.exception.ConnectionException;
 
 /**
- * Factory class to create the connection pool.
- * User: MohitK
- * Date: Jul 19, 2006
+ * Factory class which creates a connection pool. The factory also creates a JVM Shutdown hook which is called when
+ * JVM is shutting down which indirectly calls @link ConnectionPool#releasePool
+ *
+ * @author MohitK
+ *         Date: Jul 19, 2006
  */
 public class ConnectionPoolFactory {
 
+
+    private static Logger Log = Logger.getLogger(ConnectionPoolFactory.class);
+
     /**
      * Factory method to create and return a connection pool based on the property set for the connection pool
      * implementation. The factory also registers a shut down hook with the JVM so that the connections in the pool
      * are closed and released with causing connections leaks.
+     *
      * @param connProperties Properties for the connection pool
      * @return Connection Pool
-     * @throws ESBConnectionException
+     * @throws ConnectionException
      */
-    public static ConnectionPool createPool(ConnectionProperties connProperties) throws ESBConnectionException {
+    public static ConnectionPool createPool(ConnectionProperties connProperties) throws ConnectionException {
         String connectionPoolClassName = connProperties.getConnectionPoolClass();
         try {
-            ConnectionPool pool = (ConnectionPool)Class.forName(connectionPoolClassName).newInstance();
+            ConnectionPool pool = (ConnectionPool) Class.forName(connectionPoolClassName).newInstance();
             pool.createPool(connProperties);
             FreeConnectionPoolResources freeResourcesThread = new FreeConnectionPoolResources(pool);
             Runtime.getRuntime().addShutdownHook(freeResourcesThread);
             return pool;
-        } catch (Throwable t) {
-            System.err.println("ConnectionPoolFactory: Error in Connection Pool");
-            System.err.println(t);
-            throw new ESBConnectionException(t);
+        } catch (ConnectionException e) {
+            Log.error("ConnectionPoolFactory: Error in creating Connection Pool", e);
+            throw e;
+        } catch (Throwable t){
+            Log.error("ConnectionPoolFactory: Error in Connection Pool", t);
+            throw new ConnectionException(t);
         }
     }
 }

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionProperties.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionProperties.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionProperties.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -21,18 +21,23 @@
 */
 package org.jboss.soa.esb.connection;
 
+import org.apache.log4j.Logger;
+
 import java.util.Properties;
 
 /**
- * Connection Property class which stores all connection and connection pool properties. It keeps the peroperties ready
+ * Connection Property class which stores all connection and connection pool properties. It keeps the properties ready
  * so that is can be used by the pool and connection factory
- * User: MohitK
- * Date: Jul 18, 2006
+ *
+ * @author MohitK
+ *         Date: Jul 18, 2006
  */
 public class ConnectionProperties {
 
-    private Properties _connectionProperties;
+    private static Logger Log = Logger.getLogger(ConnectionProperties.class);
 
+    private Properties m_oConnectionProperties;
+
     public static final String DRIVER_CLASSNAME = "driver-class";
     public static final String CONNECTION_URL = "connection-url";
     public static final String USERNAME = "user-name";
@@ -47,18 +52,18 @@
     public static final String ABANDONED_CONNECTION_TIMEOUT = "abandoned-connection-timeout";
     public static final String ABANDONED_CONNECTION_CHECK_INTERVAL = "abandoned-connection-time-interval";
 
-    private boolean _autoCommit;
-    private Integer _isolationLvl;
-    private int _minPoolSize;
-    private int _maxPoolSize;
-    private long _connBlockTime;
-    private String _connectionPoolClass;
-    private String _user;
-    private String _password;
-    private String _connectionUrl;
-    private long _abandonedConnectionTimeout;
-    private long _abandonedConnectionCheckInterval;
-    private String _driverClassName;
+    private boolean m_bAutoCommit;
+    private Integer m_iIsolationLvl;
+    private int m_iMinPoolSize;
+    private int m_iMaxPoolSize;
+    private long m_lConnBlockTime;
+    private String m_sConnectionPoolClass;
+    private String m_sUser;
+    private String m_sPassword;
+    private String m_sConnectionUrl;
+    private long m_lAbandonedConnectionTimeout;
+    private long m_lAbandonedConnectionCheckInterval;
+    private String m_sDriverClassName;
 
 
     public static final String DEFAULT_MIN_POOL_SIZE = "5";
@@ -69,7 +74,7 @@
     public static final String DEFAULT_ABANDONED_CONNECTION_CHECK_INTERVAL = "30000";
 
     public ConnectionProperties(Properties connectionProperties) {
-        this._connectionProperties = connectionProperties;
+        this.m_oConnectionProperties = connectionProperties;
         setDriverClassName();
         setConnectionUrl();
         setUser();
@@ -85,164 +90,162 @@
     }
 
     private void setDriverClassName() {
-        _driverClassName = _connectionProperties.getProperty(DRIVER_CLASSNAME);
-        if (_driverClassName == null) {
-            _driverClassName = System.getProperty(DRIVER_CLASSNAME);
+        m_sDriverClassName = m_oConnectionProperties.getProperty(DRIVER_CLASSNAME);
+        if (m_sDriverClassName == null) {
+            m_sDriverClassName = System.getProperty(DRIVER_CLASSNAME);
         }
     }
 
     protected String getDriverClassName() {
-        return _driverClassName;
+        return m_sDriverClassName;
     }
 
     protected String getConnectionUrl() {
-        return _connectionUrl;
+        return m_sConnectionUrl;
     }
 
     private void setConnectionUrl() {
-        _connectionUrl = _connectionProperties.getProperty(CONNECTION_URL);
-        if (_connectionUrl == null) {
-            _connectionUrl = System.getProperty(CONNECTION_URL);
+        m_sConnectionUrl = m_oConnectionProperties.getProperty(CONNECTION_URL);
+        if (m_sConnectionUrl == null) {
+            m_sConnectionUrl = System.getProperty(CONNECTION_URL);
         }
     }
 
     protected boolean getAutoCommit() {
-        return _autoCommit;
+        return m_bAutoCommit;
     }
 
     protected Integer getIsolationLevel() {
-        return _isolationLvl;
+        return m_iIsolationLvl;
     }
 
     private void setIsolationLevel() {
-        String isolation = (String) _connectionProperties.get(ISOLATION_LEVEL);
+        String isolation = (String) m_oConnectionProperties.get(ISOLATION_LEVEL);
         if (isolation == null) {
             isolation = System.getProperty(ISOLATION_LEVEL);
         }
-        this._isolationLvl = (isolation != null) ? new Integer(isolation) : null;
+        this.m_iIsolationLvl = (isolation != null) ? new Integer(isolation) : null;
     }
 
     protected int getMinPoolSize() {
-        return _minPoolSize;
+        return m_iMinPoolSize;
     }
 
     protected int getMaxPoolSize() {
-        return _maxPoolSize;
+        return m_iMaxPoolSize;
     }
 
     private void setMinPoolSize() {
-        String strPoolSize = _connectionProperties.getProperty(MIN_POOL_SIZE);
+        String strPoolSize = m_oConnectionProperties.getProperty(MIN_POOL_SIZE);
         if (strPoolSize == null) {
             strPoolSize = System.getProperty(MIN_POOL_SIZE, DEFAULT_MIN_POOL_SIZE);
-            this._minPoolSize = Integer.parseInt(strPoolSize);
+            this.m_iMinPoolSize = Integer.parseInt(strPoolSize);
         }
     }
 
     private void setMaxPoolSize() {
-        String strPoolSize = (String) _connectionProperties.get(MAX_POOL_SIZE);
+        String strPoolSize = (String) m_oConnectionProperties.get(MAX_POOL_SIZE);
         if (strPoolSize == null) {
             strPoolSize = System.getProperty(MAX_POOL_SIZE, DEFAULT_MAX_POOL_SIZE);
-            this._maxPoolSize = Integer.parseInt(strPoolSize);
+            this.m_iMaxPoolSize = Integer.parseInt(strPoolSize);
         }
     }
 
     private void setBlockingConnectionTime() {
-        String strBlockTimeMillis = (String) _connectionProperties.get(BLOCKING_CONNECTION_TIME);
+        String strBlockTimeMillis = (String) m_oConnectionProperties.get(BLOCKING_CONNECTION_TIME);
         if (strBlockTimeMillis == null) {
             strBlockTimeMillis = System.getProperty(BLOCKING_CONNECTION_TIME, DEFAULT_CONN_BLOCK_TIME_MILLIS);
-            this._connBlockTime = Integer.parseInt(strBlockTimeMillis);
+            this.m_lConnBlockTime = Integer.parseInt(strBlockTimeMillis);
         }
     }
 
     protected long getConnectionBlockTimeInMillis() {
-        return _connBlockTime;
+        return m_lConnBlockTime;
     }
 
     private void setAutoCommit() {
-        String autoCommit = (String) _connectionProperties.get(AUTO_COMMIT);
+        String autoCommit = (String) m_oConnectionProperties.get(AUTO_COMMIT);
         if (autoCommit == null || autoCommit.equals("false")) {
-            _autoCommit = Boolean.FALSE;
+            m_bAutoCommit = Boolean.FALSE;
         } else {
-            _autoCommit = Boolean.TRUE;
+            m_bAutoCommit = Boolean.TRUE;
         }
     }
 
     private void setConnectionPoolClass() {
-        _connectionPoolClass = _connectionProperties.getProperty(CONNECTION_POOL_CLASS);
-        if (_connectionPoolClass == null) {
-            _connectionPoolClass = System.getProperty(CONNECTION_POOL_CLASS, DEFAULT_CONNECTION_POOL_CLASS);
+        m_sConnectionPoolClass = m_oConnectionProperties.getProperty(CONNECTION_POOL_CLASS);
+        if (m_sConnectionPoolClass == null) {
+            m_sConnectionPoolClass = System.getProperty(CONNECTION_POOL_CLASS, DEFAULT_CONNECTION_POOL_CLASS);
         }
     }
 
 
     protected String getUser() {
-        return _user;
+        return m_sUser;
     }
 
     public void setUser() {
-        this._user = _connectionProperties.getProperty(USERNAME);
-        if (_user == null) {
-            _user = System.getProperty(USERNAME);
+        this.m_sUser = m_oConnectionProperties.getProperty(USERNAME);
+        if (m_sUser == null) {
+            m_sUser = System.getProperty(USERNAME);
         }
     }
 
     protected String getPassword() {
-        return _password;
+        return m_sPassword;
     }
 
     protected void setPassword() {
-        this._password = _connectionProperties.getProperty(PASSWORD);
-        if (_password == null) {
-            _password = System.getProperty(PASSWORD);
+        this.m_sPassword = m_oConnectionProperties.getProperty(PASSWORD);
+        if (m_sPassword == null) {
+            m_sPassword = System.getProperty(PASSWORD);
         }
-        String strPasswordDecoder = _connectionProperties.getProperty(PASSWORD_DECODER);
+        String strPasswordDecoder = m_oConnectionProperties.getProperty(PASSWORD_DECODER);
         if (strPasswordDecoder == null) {
             strPasswordDecoder = System.getProperty(PASSWORD_DECODER);
         }
         if (strPasswordDecoder != null) {
             try {
                 PasswordDecoder decoder = (PasswordDecoder) Class.forName(strPasswordDecoder).newInstance();
-                this._password = decoder.decode(_password);
+                this.m_sPassword = decoder.decode(m_sPassword);
             } catch (InstantiationException e) {
-                System.err.println("Error in creating instance of Password Decoder Class:-" + strPasswordDecoder);
-                System.err.println(e);
+                Log.error("Error in creating instance of Password Decoder Class:-" + strPasswordDecoder,e);
             } catch (IllegalAccessException e) {
-                System.err.println("Error in creating instance of Password Decoder Class:-" + strPasswordDecoder);
-                System.err.println(e);
+                Log.error("Error in creating instance of Password Decoder Class:-" + strPasswordDecoder,e);
             } catch (ClassNotFoundException e) {
-                System.err.println("Password Decoder Class:-" + strPasswordDecoder + " not found in Classpath");
-                System.err.println("Please check the property:-" + PASSWORD_DECODER);
-                System.err.println(e);
+                Log.error("Password Decoder Class:-" + strPasswordDecoder + " not found in Classpath");
+                Log.error("Please check the property:-" + PASSWORD_DECODER);
+                Log.error(e);
             }
         }
     }
 
     protected String getConnectionPoolClass() {
-        return _connectionPoolClass;
+        return m_sConnectionPoolClass;
     }
 
     private void setAbandonedConnectionTimeOut() {
-        String strAbandonedConnectionTimeout = _connectionProperties.getProperty(ABANDONED_CONNECTION_TIMEOUT);
+        String strAbandonedConnectionTimeout = m_oConnectionProperties.getProperty(ABANDONED_CONNECTION_TIMEOUT);
         if (strAbandonedConnectionTimeout == null) {
             strAbandonedConnectionTimeout = System.getProperty(ABANDONED_CONNECTION_TIMEOUT, DEFAULT_ABANDONED_CONNECTION_TIMEOUT);
         }
-        this._abandonedConnectionTimeout = Long.parseLong(strAbandonedConnectionTimeout);
+        this.m_lAbandonedConnectionTimeout = Long.parseLong(strAbandonedConnectionTimeout);
     }
 
     private void setAbandonedConnectionCheckInterval() {
-        String strAbandonedConnectionCheckInterval = _connectionProperties.getProperty(ABANDONED_CONNECTION_CHECK_INTERVAL);
+        String strAbandonedConnectionCheckInterval = m_oConnectionProperties.getProperty(ABANDONED_CONNECTION_CHECK_INTERVAL);
         if (strAbandonedConnectionCheckInterval == null || strAbandonedConnectionCheckInterval.trim().length() == 0) {
             strAbandonedConnectionCheckInterval = System.getProperty(ABANDONED_CONNECTION_CHECK_INTERVAL, DEFAULT_ABANDONED_CONNECTION_CHECK_INTERVAL);
         }
-        this._abandonedConnectionCheckInterval = Long.parseLong(strAbandonedConnectionCheckInterval);
+        this.m_lAbandonedConnectionCheckInterval = Long.parseLong(strAbandonedConnectionCheckInterval);
     }
 
-    protected long getAbandonedConnectionTimeOut(){
-        return this._abandonedConnectionTimeout;
+    protected long getAbandonedConnectionTimeOut() {
+        return this.m_lAbandonedConnectionTimeout;
     }
 
-    protected long getAbandonedConnectionCheckInterval(){
-        return this._abandonedConnectionCheckInterval;
+    protected long getAbandonedConnectionCheckInterval() {
+        return this.m_lAbandonedConnectionCheckInterval;
     }
 
 }

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionWrapper.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionWrapper.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/ConnectionWrapper.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -26,7 +26,7 @@
 
 /**
  * Wrapper class which encapsulates @link Connection
- * User: MohitK
+ * @author MohitK
  * Date: Jul 18, 2006
  */
 public class ConnectionWrapper implements Connection {

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/DefaultConnectionPoolImpl.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/DefaultConnectionPoolImpl.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/DefaultConnectionPoolImpl.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -21,7 +21,8 @@
 */
 package org.jboss.soa.esb.connection;
 
-import org.jboss.soa.esb.connection.exception.ESBConnectionException;
+import org.apache.log4j.Logger;
+import org.jboss.soa.esb.connection.exception.ConnectionException;
 
 import java.sql.Connection;
 import java.sql.Driver;
@@ -34,23 +35,25 @@
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
- * Default connection pool implementation class when there is none specified by the user in @link ConnectionProperties
- * User: MohitK
- * Date: Jul 18, 2006
+ * Default connection pool implementation class when none is specified by the user in @link ConnectionProperties
+ *
+ * @author MohitK
+ *         Date: Jul 18, 2006
  */
 public class DefaultConnectionPoolImpl implements ConnectionPool {
 
+    private static Logger Log = Logger.getLogger(DefaultConnectionPoolImpl.class);
+
     private final Stack<ConnectionWrapper> m_oConnectionStack = new Stack<ConnectionWrapper>();
     private final ConcurrentHashMap<String, ConnectionWrapper> m_oUsedConnectionMap = new ConcurrentHashMap<String, ConnectionWrapper>();
     private int m_iConnCountInPool;
     private ConnectionProperties m_oConnProperties;
-    private ConnectionFactory _connectionFactory;
+    private ConnectionFactory m_oConnectionFactory;
 
     /**
-     * @see org.jboss.soa.esb.connection.ConnectionPool#createPool(ConnectionProperties)
-     *
+     * @see ConnectionPool#createPool(ConnectionProperties)
      */
-    public void createPool(ConnectionProperties prop) throws ESBConnectionException {
+    public void createPool(ConnectionProperties prop) throws ConnectionException {
         this.m_oConnProperties = prop;
         try {
             initPool();
@@ -58,21 +61,22 @@
             Timer abandonedTimer = new Timer(":AbandonedConnectionPoolScheduler:@" + this.toString(), true);
             abandonedTimer.schedule(abandonedConnTask, prop.getAbandonedConnectionCheckInterval(), prop.getAbandonedConnectionCheckInterval());
         } catch (SQLException e) {
-            throw new ESBConnectionException("DefaultConnectionPoolImpl: Error in creating Connection Pool", e);
+            Log.error("DefaultConnectionPoolImpl: Error in creating Connection Pool",e);
+            throw new ConnectionException("DefaultConnectionPoolImpl: Error in creating Connection Pool\n Reason:-" + e.getMessage(), e);
         }
     }
 
     private void initPool() throws SQLException {
 
-        if (_connectionFactory == null) {
+        if (m_oConnectionFactory == null) {
             Properties properties = new Properties();
             properties.put("user", m_oConnProperties.getUser());
             properties.put("password", m_oConnProperties.getPassword());
-            _connectionFactory = new DriverConnectionFactory(getDriver(m_oConnProperties.getDriverClassName()), m_oConnProperties.getConnectionUrl(), properties);
+            m_oConnectionFactory = new DriverConnectionFactory(getDriver(m_oConnProperties.getDriverClassName()), m_oConnProperties.getConnectionUrl(), properties);
         }
         while (m_iConnCountInPool < m_oConnProperties.getMinPoolSize()) {
             synchronized (m_oConnectionStack) {
-                m_oConnectionStack.add(new ConnectionWrapper(_connectionFactory.createConnection(), this));
+                m_oConnectionStack.add(new ConnectionWrapper(m_oConnectionFactory.createConnection(), this));
                 m_iConnCountInPool++;
             }
         }
@@ -83,8 +87,7 @@
             try {
                 Class.forName(driverClassName);
             } catch (Throwable e) {
-                System.err.println("DefaultConnectionPoolImpl: Error in loading class " + driverClassName + " to create connection pool");
-                System.err.println(e);
+                Log.error("DefaultConnectionPoolImpl: Error in loading class " + driverClassName + " to create connection pool", e);
                 throw new SQLException("DefaultConnectionPoolImpl: Error in loading class " + driverClassName + " to create connection pool");
             }
             return DriverManager.getDriver(m_oConnProperties.getConnectionUrl());
@@ -93,8 +96,7 @@
     }
 
     /**
-     * @see org.jboss.soa.esb.connection.ConnectionPool#getConnection()
-     *
+     * @see ConnectionPool#getConnection()
      */
     public synchronized Connection getConnection() throws SQLException {
         ConnectionWrapper newPoolConnection;
@@ -102,7 +104,7 @@
             newPoolConnection = m_oConnectionStack.pop();
             m_oUsedConnectionMap.put(newPoolConnection.getName(), newPoolConnection);
         } else if (m_iConnCountInPool < m_oConnProperties.getMaxPoolSize()) {
-            newPoolConnection = new ConnectionWrapper(_connectionFactory.createConnection(), this);
+            newPoolConnection = new ConnectionWrapper(m_oConnectionFactory.createConnection(), this);
             m_oUsedConnectionMap.put(newPoolConnection.getName(), newPoolConnection);
             m_iConnCountInPool++;
         } else {
@@ -160,8 +162,7 @@
                 m_oUsedConnectionMap.remove(name);
             }
         } catch (SQLException e) {
-            System.err.println("DefaultConnectionPoolImpl: Error in closing physical Connection");
-            System.err.println(e);
+            Log.error("DefaultConnectionPoolImpl: Error in closing physical Connection", e);
         }
     }
 
@@ -172,7 +173,6 @@
 
     /**
      * This method will release all abandoned connections from the pool.
-     *
      */
     protected synchronized void releaseAbandonedConnections() {
 
@@ -183,7 +183,7 @@
             long currentTime = System.currentTimeMillis();
             if ((currentTime - activedTime) > m_oConnProperties.getAbandonedConnectionTimeOut()) {
                 try {
-                    System.out.println("Removing abandoned Connection:-" + connectionWrapper);
+                    Log.info("Removing abandoned Connection:-" + connectionWrapper);
                     Connection actualConnection = connectionWrapper.getActualConnection();
                     m_oUsedConnectionMap.remove(connectionWrapper.getName());
                     connectionWrapper.setOriginalConnection(null);
@@ -193,8 +193,7 @@
                         m_oConnectionStack.push(connectionWrapper);
                     }
                 } catch (SQLException e) {
-                    System.err.println("Error in releasing abandoned connection from Pool");
-                    e.printStackTrace(System.err);
+                    Log.error("Error in releasing abandoned connection from Pool", e);
                 }
             }
         }

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/DriverConnectionFactory.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/DriverConnectionFactory.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/DriverConnectionFactory.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -22,13 +22,13 @@
 package org.jboss.soa.esb.connection;
 
 import java.sql.Connection;
+import java.sql.Driver;
 import java.sql.SQLException;
-import java.sql.Driver;
 import java.util.Properties;
 
 /**
  * Driver implementation of Connection Factory
- * User: MohitK
+ * @author MohitK
  * Date: Jul 18, 2006
  */
 public class DriverConnectionFactory implements ConnectionFactory{

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/FreeConnectionPoolResources.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/FreeConnectionPoolResources.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/FreeConnectionPoolResources.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -21,14 +21,20 @@
 */
 package org.jboss.soa.esb.connection;
 
+import org.apache.log4j.Logger;
+
 /**
- * Shutdown Hook into the JVM. The class will be invoked by the JVM when the JVM is shutting down.
+ * Shutdown Hook into the JVM. The class will be invoked by the JVM when JVM is shutting down.
  * Used to free connection resources and destroy the connection pool.
- * User: MohitK
+ * This class is will guarantee closing of all connections rather than depending on finalize method.
+ *
+ * @author MohitK
  * Date: Jul 22, 2006
  */
 public class FreeConnectionPoolResources extends Thread {
 
+    private static Logger Log = Logger.getLogger(FreeConnectionPoolResources.class);
+
     ConnectionPool pool;
 
     public FreeConnectionPoolResources(ConnectionPool pool) {
@@ -39,7 +45,7 @@
         try {
             pool.releasePool();
         } catch (Exception e) {
-            System.err.println("Error in freeing resources");
+            Log.error("Error in freeing resources");
         }
     }
 

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/PasswordDecoder.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/PasswordDecoder.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/PasswordDecoder.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -24,7 +24,7 @@
 /**
  * Interface to be implemented by classes when they need to return the DB password for the connection by using their own
  * algorithm. Called by the connection pool
- * User: MohitK
+ * @author MohitK
  * Date: Jul 21, 2006
  */
 public interface PasswordDecoder {

Modified: labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/PoolDataSource.java
===================================================================
--- labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/PoolDataSource.java	2006-08-05 15:07:22 UTC (rev 5494)
+++ labs/jbossesb/branches/refactor/product/core/common/src/org/jboss/soa/esb/connection/PoolDataSource.java	2006-08-05 16:13:55 UTC (rev 5495)
@@ -21,7 +21,8 @@
 */
 package org.jboss.soa.esb.connection;
 
-import org.jboss.soa.esb.connection.exception.ESBConnectionException;
+import org.apache.log4j.Logger;
+import org.jboss.soa.esb.connection.exception.ConnectionException;
 
 import javax.sql.DataSource;
 import java.io.PrintWriter;
@@ -31,39 +32,41 @@
 
 /**
  * Implementation if Datasource for getting connections from pool.
- * User: MohitK
+ * @author MohitK
  * Date: Jul 19, 2006
  */
 public class PoolDataSource implements DataSource {
 
-    private ConnectionPool _pool;
-    private PrintWriter _logWriter = new PrintWriter(System.out);
-    private int _loginTimeOut;
-    private final Properties _connProps = new Properties();
-    ConnectionProperties _connectionProperties;
+    private static Logger Log = Logger.getLogger(PoolDataSource.class);
 
+    private ConnectionPool m_oPool;
+    private PrintWriter m_oLogWriter = new PrintWriter(System.out);
+    private int m_iLoginTimeOut;
+    private final Properties m_oConnProps = new Properties();
+    ConnectionProperties m_oConnectionProperties;
+
     private synchronized ConnectionPool createConnectionPool() throws SQLException {
-        if (_pool == null) {
+        if (m_oPool == null) {
             try {
-                if (_connProps != null) {
-                    _connectionProperties = new ConnectionProperties(_connProps);
-                    _pool = ConnectionPoolFactory.createPool(_connectionProperties);
+                if (m_oConnProps != null) {
+                    m_oConnectionProperties = new ConnectionProperties(m_oConnProps);
+                    m_oPool = ConnectionPoolFactory.createPool(m_oConnectionProperties);
                 }
-            } catch (ESBConnectionException e) {
-                _logWriter.println("PoolDataSource: Error in creating Connection Pool");
-                throw new SQLException("Error in Connection Pool Creation");
+            } catch (ConnectionException e) {
+                Log.error("PoolDataSource: Error in creating Connection Pool",e);
+                throw new SQLException(e.getMessage());
             }
         }
-        return _pool;
+        return m_oPool;
     }
 
 
     public Properties getConnectionProperties() {
-        return _connProps;
+        return m_oConnProps;
     }
 
     public void setConnectionProperties(Properties _connProperties) {
-        _connProps.putAll(_connProperties);
+        m_oConnProps.putAll(_connProperties);
     }
 
     /**
@@ -77,9 +80,9 @@
      * @see  javax.sql.DataSource#getConnection(String, String)
      */
     public Connection getConnection(String username, String password) throws SQLException {
-        synchronized(_connProps){
-            _connProps.setProperty(ConnectionProperties.USERNAME, username);
-            _connProps.setProperty(ConnectionProperties.PASSWORD, password);
+        synchronized(m_oConnProps){
+            m_oConnProps.setProperty(ConnectionProperties.USERNAME, username);
+            m_oConnProps.setProperty(ConnectionProperties.PASSWORD, password);
         }
         return createConnectionPool().getConnection();
     }
@@ -94,20 +97,20 @@
      * @see  javax.sql.DataSource#setLogWriter(java.io.PrintWriter)
      */
     public void setLogWriter(PrintWriter out) throws SQLException {
-        this._logWriter = out;
+        this.m_oLogWriter = out;
     }
     /**
      * @see  javax.sql.DataSource#setLoginTimeout(int)
     */
     public void setLoginTimeout(int seconds) throws SQLException {
-        this._loginTimeOut = seconds;
+        this.m_iLoginTimeOut = seconds;
     }
 
     /**
      * @see  javax.sql.DataSource#getLoginTimeout()
      */
     public int getLoginTimeout() throws SQLException {
-        return _loginTimeOut;
+        return m_iLoginTimeOut;
     }
 
 }




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