org.cementj.util
Class J2EEUtility

java.lang.Object
  org.cementj.util.J2EEUtility

public class J2EEUtility
extends java.lang.Object

Collection of J2EE Utility functions.

Copyright: Delta Vortex Technologies, 2003.

Constructor Summary

protected

J2EEUtility()

Method Summary

static java.sql.Connection	getConnection(java.lang.String connectionPoolName) Convenience one-liner to obtain a database connection from a given connection pool.
static java.lang.Object	getJndiResource(javax.naming.Context ctx, java.lang.String resourceName, java.lang.Class resourceClass) Looks up a JNDI Reference given a context.
static java.lang.Object	getJndiResource(java.lang.String resourceName, java.lang.Class resourceClass) Looks up a JNDI Resource
static javax.transaction.UserTransaction	getUserTransaction() Convenience one-liner to obtain current UserTransaction from the j2ee container.
static void	rollback(javax.transaction.UserTransaction transaction) Convenience one-liner to rollback the given UserTransaction logging a warning if an error is received.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

J2EEUtility

protected J2EEUtility()

Method Detail

getConnection

public static java.sql.Connection getConnection(java.lang.String connectionPoolName)
                                         throws javax.naming.NamingException,
                                                java.sql.SQLException

Convenience one-liner to obtain a database connection from a given connection pool.

Parameters:

connectionPoolName -

Returns:

dbConnection

Throws:

javax.naming.NamingException

java.sql.SQLException

getJndiResource

public static java.lang.Object getJndiResource(java.lang.String resourceName,
                                               java.lang.Class resourceClass)
                                        throws javax.naming.NamingException

Looks up a JNDI Resource

Parameters:

resourceName -

resourceClass -

Returns:

Throws:

javax.naming.NamingException

getJndiResource

public static java.lang.Object getJndiResource(javax.naming.Context ctx,
                                               java.lang.String resourceName,
                                               java.lang.Class resourceClass)
                                        throws javax.naming.NamingException

Looks up a JNDI Reference given a context.

Parameters:

ctx -

resourceName -

resourceClass -

Returns:

Throws:

javax.naming.NamingException

getUserTransaction

public static javax.transaction.UserTransaction getUserTransaction()
                                                            throws javax.naming.NamingException

Convenience one-liner to obtain current UserTransaction from the j2ee container.

Returns:

userTransaction

Throws:

javax.naming.NamingException

rollback

public static void rollback(javax.transaction.UserTransaction transaction)

Convenience one-liner to rollback the given UserTransaction logging a warning if an error is received.

Parameters:

transaction -