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Java Source Code / Java Documentation » Wiki Engine » JSPWiki » com.ecyrd.jspwiki.auth.acl

Source Cross Reference Class Diagram Java Document (Java Doc)

com.ecyrd.jspwiki.auth.acl .AclEntry

All known Subclasses:   com.ecyrd.jspwiki.auth.acl .AclEntryImpl,
AclEntry
public interface AclEntry (Code)

Represents one entry in an Access Control List (ACL).

An ACL can be thought of as a data structure with multiple ACL entry objects. Each ACL entry object contains a set of positive page permissions associated with a particular principal. (A principal represents an entity such as an individual user, group, or role). Each principal can have at most one ACL entry; that is, multiple ACL entries are not allowed for any principal.

This interface is functionally equivalent to the java.security.acl.AclEntry interface, minus negative permissions.

See Also:   Acl
author:
   Janne Jalkanen
author:
   Andrew Jaquith
since:
   2.3

Method Summary
public boolean addPermission(Permission permission)
     Adds the specified permission to this ACL entry.
public boolean checkPermission(Permission permission)
     Checks if the specified permission is part of the permission set in this entry.
Parameters:
  permission - the permission to be checked for.
public Principal getPrincipal()
     Returns the principal for which permissions are granted by this ACL entry.
public Enumeration permissions()
     Returns an enumeration of the permissions in this ACL entry.
public boolean removePermission(Permission permission)
     Removes the specified permission from this ACL entry.
Parameters:
  permission - the permission to be removed from this entry.
public boolean setPrincipal(Principal user)
     Specifies the principal for which permissions are granted or denied by this ACL entry.
public String toString()
     Returns a string representation of the contents of this ACL entry.

Method Detail
addPermission
public boolean addPermission(Permission permission)(Code)
Adds the specified permission to this ACL entry. The permission must be of type com.ecyrd.jspwiki.auth.permissions.PagePermission . Note: An entry can have multiple permissions.
Parameters:
  permission - the permission to be associated with the principal inthis entry true if the permission was added, false if the permission wasalready part of this entry's permission set, and false ifthe permission is not of type PagePermission

checkPermission
public boolean checkPermission(Permission permission)(Code)
Checks if the specified permission is part of the permission set in this entry.
Parameters:
  permission - the permission to be checked for. true if the permission is part of the permission set in this entry,false otherwise.

getPrincipal
public Principal getPrincipal()(Code)
Returns the principal for which permissions are granted by this ACL entry. Returns null if there is no principal set for this entry yet. the principal associated with this entry.

permissions
public Enumeration permissions()(Code)
Returns an enumeration of the permissions in this ACL entry. an enumeration of the permissions

removePermission
public boolean removePermission(Permission permission)(Code)
Removes the specified permission from this ACL entry.
Parameters:
  permission - the permission to be removed from this entry. true if the permission is removed, false if the permission was notpart of this entry's permission set.

setPrincipal
public boolean setPrincipal(Principal user)(Code)
Specifies the principal for which permissions are granted or denied by this ACL entry. If a principal was already set for this ACL entry, false is returned, otherwise true is returned.
Parameters:
  user - the principal to be set for this entry true if the principal is set, false if there was already aprincipal set for this entry

toString
public String toString()(Code)
Returns a string representation of the contents of this ACL entry. a string representation of the contents.

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