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Class ajanta.security.acl.GroupImpl 

java.lang.Object
   |
   +----ajanta.security.acl.PrincipalImpl
           |
           +----ajanta.security.acl.GroupImpl
public class GroupImpl
extends PrincipalImpl
implements Group, Serializable
GroupImpl implements java.security.acl.Group interface Note that Group extends Principal. Thus, either a Principal or a Group can be passed as an argument to methods containing a Principal parameter.

Constructor Index

o GroupImpl(String)
Constructs a Group object from String name

Method Index

o addMember(Principal)
Adds the specified member to the group.
o isMember(Principal)
Returns true if the passed principal is a member of the group.
o members()
Returns an enumeration of the members in the group.
o removeMember(Principal)
Removes the specified member from the group.

Constructors

o GroupImpl 
 public GroupImpl(String group)
Constructs a Group object from String name

Parameters:
identity - - String name of this group will be stored as Principal

Methods

o addMember 
 public boolean addMember(Principal user)
Adds the specified member to the group.

Parameters:
user - - the principal to add to this group
Returns:
true if the member was successfully added, false if the principal was already a member.
o removeMember 
 public boolean removeMember(Principal user)
Removes the specified member from the group.

Parameters:
user - - the principal to remove from this group.
Returns:
true if the principal was removed, or false if the principal was not a member.
o isMember 
 public boolean isMember(Principal member)
Returns true if the passed principal is a member of the group. This method does a recursive search, so if a principal belongs to a group which is a member of this group, true is returned.

Parameters:
member - - the principal whose membership is to be checked.
Returns:
true if the principal is a member of this group, false otherwise.
o members 
 public Enumeration members()
Returns an enumeration of the members in the group. The returned objects can be instances of either Principal or Group (which is a subclass of Principal).

Returns:
an enumeration of the group members. 
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