Apache Tomcat 6.0.53

org.apache.catalina
Interface UserDatabase

All Known Implementing Classes:
MemoryUserDatabase

public interface UserDatabase

Abstract representation of a database of Users and Groups that can be maintained by an application, along with definitions of corresponding Roles, and referenced by a Realm for authentication and access control.

Since:
4.1
Author:
Craig R. McClanahan

Method Summary
 void close()
          Finalize access to this user database.
 Group createGroup(java.lang.String groupname, java.lang.String description)
          Create and return a new Group defined in this user database.
 Role createRole(java.lang.String rolename, java.lang.String description)
          Create and return a new Role defined in this user database.
 User createUser(java.lang.String username, java.lang.String password, java.lang.String fullName)
          Create and return a new User defined in this user database.
 Group findGroup(java.lang.String groupname)
          Return the Group with the specified group name, if any; otherwise return null.
 Role findRole(java.lang.String rolename)
          Return the Role with the specified role name, if any; otherwise return null.
 User findUser(java.lang.String username)
          Return the User with the specified user name, if any; otherwise return null.
 java.util.Iterator getGroups()
          Return the set of Groups defined in this user database.
 java.lang.String getId()
          Return the unique global identifier of this user database.
 java.util.Iterator getRoles()
          Return the set of Roles defined in this user database.
 java.util.Iterator getUsers()
          Return the set of Users defined in this user database.
 void open()
          Initialize access to this user database.
 void removeGroup(Group group)
          Remove the specified Group from this user database.
 void removeRole(Role role)
          Remove the specified Role from this user database.
 void removeUser(User user)
          Remove the specified User from this user database.
 void save()
          Save any updated information to the persistent storage location for this user database.
 

Method Detail

getGroups

java.util.Iterator getGroups()
Return the set of Groups defined in this user database.


getId

java.lang.String getId()
Return the unique global identifier of this user database.


getRoles

java.util.Iterator getRoles()
Return the set of Roles defined in this user database.


getUsers

java.util.Iterator getUsers()
Return the set of Users defined in this user database.


close

void close()
           throws java.lang.Exception
Finalize access to this user database.

Throws:
java.lang.Exception - if any exception is thrown during closing

createGroup

Group createGroup(java.lang.String groupname,
                  java.lang.String description)
Create and return a new Group defined in this user database.

Parameters:
groupname - The group name of the new group (must be unique)
description - The description of this group

createRole

Role createRole(java.lang.String rolename,
                java.lang.String description)
Create and return a new Role defined in this user database.

Parameters:
rolename - The role name of the new role (must be unique)
description - The description of this role

createUser

User createUser(java.lang.String username,
                java.lang.String password,
                java.lang.String fullName)
Create and return a new User defined in this user database.

Parameters:
username - The logon username of the new user (must be unique)
password - The logon password of the new user
fullName - The full name of the new user

findGroup

Group findGroup(java.lang.String groupname)
Return the Group with the specified group name, if any; otherwise return null.

Parameters:
groupname - Name of the group to return

findRole

Role findRole(java.lang.String rolename)
Return the Role with the specified role name, if any; otherwise return null.

Parameters:
rolename - Name of the role to return

findUser

User findUser(java.lang.String username)
Return the User with the specified user name, if any; otherwise return null.

Parameters:
username - Name of the user to return

open

void open()
          throws java.lang.Exception
Initialize access to this user database.

Throws:
java.lang.Exception - if any exception is thrown during opening

removeGroup

void removeGroup(Group group)
Remove the specified Group from this user database.

Parameters:
group - The group to be removed

removeRole

void removeRole(Role role)
Remove the specified Role from this user database.

Parameters:
role - The role to be removed

removeUser

void removeUser(User user)
Remove the specified User from this user database.

Parameters:
user - The user to be removed

save

void save()
          throws java.lang.Exception
Save any updated information to the persistent storage location for this user database.

Throws:
java.lang.Exception - if any exception is thrown during saving

Apache Tomcat 6.0.53

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