org.objectweb.cjdbc.controller.authentication
Class AuthenticationManager

java.lang.Object
  org.objectweb.cjdbc.controller.authentication.AuthenticationManager

public class AuthenticationManager

extends java.lang.Object

The AuthenticationManager manages the mapping between virtual login/password (to the VirtualDatabase) and the real login/password for each backend.

Version:

1.0

Author:

Emmanuel Cecchet, Mathieu Peltier, Nicolas Modrzyk

Field Summary

private VirtualDatabaseUser	adminUser Administrator user.
private java.util.HashMap	realLogins HashMap of HashMap of DatabaseBackendUser objects hashed by the backend name, hashed by their virtual database login.
private java.util.ArrayList	virtualLogins ArrayList of VirtualDatabaseUser objects.

Constructor Summary

AuthenticationManager()
Creates a new AuthenticationManager instance.

Method Summary

void	addRealUser(java.lang.String vLogin, DatabaseBackendUser rUser) Associates a new database backend user to a virtual database login.
void	addVirtualUser(VirtualDatabaseUser vUser) Registers a new virtual database user.
DatabaseBackendUser	getDatabaseBackendUser(java.lang.String vLogin, java.lang.String backendName) Gets the DatabaseBackendUser given a virtual database login and a database backend logical name.
java.lang.String	getInformation() Method for debugging.
java.lang.String	getXmlInformation() Convert this Authentication manager into xml format
boolean	isValidAdminUser(VirtualDatabaseUser user) Checks whether this administrator user has been registered to this AuthenticationManager or not.
boolean	isValidVirtualLogin(java.lang.String vLogin) Checks whether a given virtual login has been registered to this AuthenticationManager or not.
boolean	isValidVirtualUser(VirtualDatabaseUser vUser) Checks whether a given virtual database user has been registered to this AuthenticationManager or not.
void	setAdminUser(VirtualDatabaseUser adminUser) Sets the administrator user.

Methods inherited from class java.lang.Object

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

Field Detail

virtualLogins

private java.util.ArrayList virtualLogins

ArrayList of VirtualDatabaseUser objects.

realLogins

private java.util.HashMap realLogins

HashMap of HashMap of DatabaseBackendUser objects hashed by the backend name, hashed by their virtual database login. A virtual user can have several real logins, but has only one real login for a given backend.

adminUser

private VirtualDatabaseUser adminUser

Administrator user.

Constructor Detail

AuthenticationManager

public AuthenticationManager()

Creates a new AuthenticationManager instance.

Method Detail

isValidAdminUser

public boolean isValidAdminUser(VirtualDatabaseUser user)

Checks whether this administrator user has been registered to this AuthenticationManager or not. Returns false if no admin user has been set.

Parameters:

user - administrator user login/password to check.

Returns:

true if it matches the registered admin user.

isValidVirtualUser

public boolean isValidVirtualUser(VirtualDatabaseUser vUser)

Checks whether a given virtual database user has been registered to this AuthenticationManager or not.

Parameters:

vUser - the virtual database user.

Returns:

true if the user login/password is valid.

isValidVirtualLogin

public boolean isValidVirtualLogin(java.lang.String vLogin)

Checks whether a given virtual login has been registered to this AuthenticationManager or not.

Parameters:

vLogin - the virtual database login.

Returns:

true if the virtual database login is valid.

setAdminUser

public void setAdminUser(VirtualDatabaseUser adminUser)

Sets the administrator user.

Parameters:

adminUser - the administor user to set.

addVirtualUser

public void addVirtualUser(VirtualDatabaseUser vUser)

Registers a new virtual database user.

Parameters:

vUser - the VirtualDatabaseUser to register.

addRealUser

public void addRealUser(java.lang.String vLogin,
                        DatabaseBackendUser rUser)
                 throws AuthenticationManagerException

Associates a new database backend user to a virtual database login.

Parameters:

vLogin - the virtual database login.

rUser - the database backend user to add.

Throws:

AuthenticationManagerException - if a real user already exists for this backend.

getDatabaseBackendUser

public DatabaseBackendUser getDatabaseBackendUser(java.lang.String vLogin,
                                                  java.lang.String backendName)

Gets the DatabaseBackendUser given a virtual database login and a database backend logical name.

Parameters:

vLogin - virtual database login.

backendName - database backend logical name.

Returns:

a DatabaseBackendUser value or null if not found.

getXmlInformation

public java.lang.String getXmlInformation()

Convert this Authentication manager into xml format

Returns:

xml formatted string

getInformation

public java.lang.String getInformation()

Method for debugging.

Returns:

a String value.