org.sourcejammer.server.security
Class UserManager

java.lang.Object
  |
  +--org.sourcejammer.server.security.UserManager

public class UserManager

extends java.lang.Object

This class reads and writes to the user.xml file. It keeps a cache of User objects for each user of the system.

Nested Class Summary

private static class

UserManager.XMLNodes

Field Summary

private static java.lang.String	ANNON_USER_FULL_NAME
private java.util.Hashtable	mhshUsers
private static UserManager	moInstance
private static java.lang.String	USER_COUNTER_FILE_NAME
private static java.lang.String	USER_XML_FILE_NAME

Constructor Summary

private

UserManager()

Method Summary

void	addUser(java.lang.String userName, java.lang.String password, java.lang.String fullName, boolean isAdmin) Add a new user to the system using the username, password, and full name passed in.
void	changeUserPassword(User oUser, java.lang.String userName, java.lang.String newPassword) Change a user's password.
static UserManager	getInstance()
User	getUserObject(java.lang.String userName) Returns user object with specified user name.
private User	getUserObject(java.lang.String userName, java.lang.String password) Returns user object with specified username.
java.util.Enumeration	getUsersList()
private void	loadUsers() Load the user.xml file and build a cache of user objects.
private void	loadUsersIfNull() Loads users from xml if user cache is null.
User	logInUser(java.lang.String userName, java.lang.String password) Logs in the specified users using the password.
void	modifyUser(java.lang.String userName, boolean isAdmin)
void	modifyUser(java.lang.String userName, java.lang.String newFullName)
void	removeUser(java.lang.String userName)
private void	saveUsers() Overwrite existing user.xml file with new XML build from users cache.

Methods inherited from class java.lang.Object

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

Field Detail

USER_XML_FILE_NAME

private static final java.lang.String USER_XML_FILE_NAME

See Also:

Constant Field Values

USER_COUNTER_FILE_NAME

private static final java.lang.String USER_COUNTER_FILE_NAME

See Also:

Constant Field Values

mhshUsers

private java.util.Hashtable mhshUsers

ANNON_USER_FULL_NAME

private static final java.lang.String ANNON_USER_FULL_NAME

See Also:

Constant Field Values

moInstance

private static UserManager moInstance

Constructor Detail

UserManager

private UserManager()

Method Detail

getInstance

public static UserManager getInstance()

getUsersList

public java.util.Enumeration getUsersList()

modifyUser

public void modifyUser(java.lang.String userName,
                       java.lang.String newFullName)
                throws UserDoesNotExistException

UserDoesNotExistException

modifyUser

public void modifyUser(java.lang.String userName,
                       boolean isAdmin)
                throws UserDoesNotExistException

UserDoesNotExistException

logInUser

public User logInUser(java.lang.String userName,
                      java.lang.String password)
               throws InvalidPasswordException,
                      UserDoesNotExistException

Logs in the specified users using the password. Returns the User object.

InvalidPasswordException

UserDoesNotExistException

getUserObject

public User getUserObject(java.lang.String userName)
                   throws UserDoesNotExistException

Returns user object with specified user name. Does not validate password.

UserDoesNotExistException

getUserObject

private User getUserObject(java.lang.String userName,
                           java.lang.String password)
                    throws InvalidPasswordException,
                           UserDoesNotExistException

Returns user object with specified username. validates password.

InvalidPasswordException

UserDoesNotExistException

changeUserPassword

public void changeUserPassword(User oUser,
                               java.lang.String userName,
                               java.lang.String newPassword)
                        throws SecurityException,
                               UserDoesNotExistException

Change a user's password.

Parameters:

oUser - - the user object of the user requesting the change.

userName - - name of the user whose password is to be changed.

newPassword - - new password for userName.

SecurityException

UserDoesNotExistException

removeUser

public void removeUser(java.lang.String userName)
                throws UserDoesNotExistException

UserDoesNotExistException

addUser

public void addUser(java.lang.String userName,
                    java.lang.String password,
                    java.lang.String fullName,
                    boolean isAdmin)
             throws UserExistsException

Add a new user to the system using the username, password, and full name passed in.

UserExistsException

loadUsersIfNull

private void loadUsersIfNull()
                      throws java.io.IOException

Loads users from xml if user cache is null.

java.io.IOException

loadUsers

private void loadUsers()
                throws java.io.IOException

Load the user.xml file and build a cache of user objects.

java.io.IOException

saveUsers

private void saveUsers()
                throws java.io.IOException

Overwrite existing user.xml file with new XML build from users cache.

java.io.IOException