org.esupportail.cas.server
Class GenericHandler

java.lang.Object
  edu.yale.its.tp.cas.auth.provider.WatchfulPasswordHandler
      org.esupportail.cas.server.GenericHandler

All Implemented Interfaces:

edu.yale.its.tp.cas.auth.AuthHandler, edu.yale.its.tp.cas.auth.PasswordHandler

public final class GenericHandler
extends edu.yale.its.tp.cas.auth.provider.WatchfulPasswordHandler

This class permits via a Xml configuration file to call different specific handler

Author:

Pascal Aubry , Jean-Baptiste Daniel

Field Summary

private static boolean	acceptEmptyPasswords a boolean to store wheter empty passwords can be accepted or not.
private static java.lang.String	CASGENERICHANDLER_RELEASE the package release number.
private static long	configDate the last time the configuration file was modified
private static java.lang.String	configFilename the name of the configuration file.
private static boolean	debug Debugging mode.
private static java.util.List	handlers the list of all the specific handlers to try for authentication.

Constructor Summary

GenericHandler()

Method Summary

boolean	authenticate(javax.servlet.ServletRequest request, java.lang.String username, java.lang.String password) Try to authenticate a user by calling all the handlers found in the configuration file.
private static boolean	configFileModified() tell if the configuration file was modified.
private static java.lang.String	getConfigFileName() Retrieve the name of the file storing the configuration.
private void	readConfigFile() Scans an XML configuration file and builds the structure needed for authentication (a list of specific handlers).

Methods inherited from class edu.yale.its.tp.cas.auth.provider.WatchfulPasswordHandler

registerFailure

Methods inherited from class java.lang.Object

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

Field Detail

acceptEmptyPasswords

private static boolean acceptEmptyPasswords

a boolean to store wheter empty passwords can be accepted or not.

CASGENERICHANDLER_RELEASE

private static final java.lang.String CASGENERICHANDLER_RELEASE

the package release number.

See Also:

Constant Field Values

configDate

private static long configDate

the last time the configuration file was modified

configFilename

private static java.lang.String configFilename

the name of the configuration file.

debug

private static boolean debug

Debugging mode.

handlers

private static java.util.List handlers

the list of all the specific handlers to try for authentication.

Constructor Detail

GenericHandler

public GenericHandler()

Method Detail

authenticate

public boolean authenticate(javax.servlet.ServletRequest request,
                            java.lang.String username,
                            java.lang.String password)

Try to authenticate a user by calling all the handlers found in the configuration file.

Specified by:

authenticate in interface edu.yale.its.tp.cas.auth.PasswordHandler

Overrides:

authenticate in class edu.yale.its.tp.cas.auth.provider.WatchfulPasswordHandler

Parameters:

request - the current request

username - the username provided by the user

password - the password provided by the user

Returns:

true on success, false otherwise.

configFileModified

private static boolean configFileModified()

tell if the configuration file was modified.

Returns:

true if the file was modified since last configuration reading.

getConfigFileName

private static java.lang.String getConfigFileName()

Retrieve the name of the file storing the configuration.

Returns:

a string.

readConfigFile

private void readConfigFile()
                     throws MisconfiguredHandlerException

Scans an XML configuration file and builds the structure needed for authentication (a list of specific handlers).

Throws:

MisconfiguredHandlerException - MisconfiguredHandlerException