Module seppiko.commons.utils

Package org.seppiko.commons.utils.jdbc

Class ConnectionUtil

java.lang.Object

org.seppiko.commons.utils.jdbc.ConnectionUtil

public class ConnectionUtil
extends Object

JDBC Connection util

Author:

Leonard Woo

Method Summary

Modifier and Type	Method	Description
static Connection	getConnection(String url, String username, String password)	Create Connection
static Connection	getConnection(String driverClazzName, String url, String username, String password)	Create Connection
static Connection	getConnectionWithDatasource(DataSource datasource)	Get Connection with DataSource
static DataSource	getDataSourceWithJNDI(String jndiName)	Get DataSource with JNDI name

Methods inherited from class java.lang.Object

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

Method Details

getConnection

public static Connection getConnection(String driverClazzName,
 String url,
 String username,
 String password)
                                throws SQLException,
ClassNotFoundException,
IllegalArgumentException,
NullPointerException

Create Connection

Parameters:

driverClazzName - driver class name.

url - JDBC URL. jdbc:subprotocol:subname

username - Database username.

password - Database password.

Returns:

a connection to the URL.

Throws:

SQLException - if a database access error occurs.

ClassNotFoundException - if the driver class cannot be located.

IllegalArgumentException - if the driver class is null.

NullPointerException - JDBC URL is null.

getConnection

public static Connection getConnection(String url,
 String username,
 String password)
                                throws SQLException,
NullPointerException

Create Connection

Parameters:

url - JDBC URL. jdbc:subprotocol:subname

username - Database username.

password - Database password.

Returns:

a connection to the URL.

Throws:

SQLException - if a database access error occurs.

NullPointerException - JDBC URL is null.

getConnectionWithDatasource

public static Connection getConnectionWithDatasource(DataSource datasource)
                                              throws SQLException

Get Connection with DataSource

Parameters:

datasource - JDBC DataSource.

Returns:

a connection to the datasource.

Throws:

SQLException - if a database access error occurs.

getDataSourceWithJNDI

public static DataSource getDataSourceWithJNDI(String jndiName)
                                        throws NamingException

Get DataSource with JNDI name

Parameters:

jndiName - JNDI name.

Returns:

a datasource to the jndi name.

Throws:

NamingException - if a naming exception is encountered or in a naming exception is encountered.