sqlg2.db
Class DBAuthenticationImpl

java.lang.Object
  sqlg2.db.DBAuthenticationImpl

All Implemented Interfaces:

AuthenticationHelper

public class DBAuthenticationImpl
extends java.lang.Object
implements AuthenticationHelper

Example of AuthenticationHelper implementation for authentication on DB level.

Field Summary

protected java.lang.String	driver
protected java.util.Properties	props
protected java.lang.String	url

Constructor Summary

DBAuthenticationImpl(java.lang.String driver, java.lang.String url)

DBAuthenticationImpl(java.lang.String driver, java.lang.String url, java.util.Properties props)
Constructor.

Method Summary

java.lang.Object	authenticate(java.sql.Connection conn, java.lang.String user, java.lang.String password) Returns a String - user login.
ConnectionManager	getConnectionManager(java.lang.String user, java.lang.String password) DB connection pool creation.
protected void	loadDriver()

Methods inherited from class java.lang.Object

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

Field Detail

driver

protected final java.lang.String driver

url

protected final java.lang.String url

props

protected final java.util.Properties props

Constructor Detail

DBAuthenticationImpl

public DBAuthenticationImpl(java.lang.String driver,
                            java.lang.String url,
                            java.util.Properties props)

Constructor.

Parameters:

driver - JDBC driver class name

DBAuthenticationImpl

public DBAuthenticationImpl(java.lang.String driver,
                            java.lang.String url)

Method Detail

loadDriver

protected final void loadDriver()
                         throws java.sql.SQLException

Throws:

java.sql.SQLException

getConnectionManager

public ConnectionManager getConnectionManager(java.lang.String user,
                                              java.lang.String password)
                                       throws java.sql.SQLException

Description copied from interface: AuthenticationHelper

DB connection pool creation.

Specified by:

getConnectionManager in interface AuthenticationHelper

Throws:

java.sql.SQLException

authenticate

public java.lang.Object authenticate(java.sql.Connection conn,
                                     java.lang.String user,
                                     java.lang.String password)
                              throws java.sql.SQLException

Returns a String - user login.

Specified by:

authenticate in interface AuthenticationHelper

Parameters:

conn - DB connection to use

user - "external" user name

password - "external" user password

Returns:

User identifier in case of success (always not null), null in case of error. User identifier object must be serializable.

Throws:

java.sql.SQLException - in case of authentication error