All Superinterfaces:

Principal

public interface Group
extends Principal 

• Method Summary

  All Methods

  Modifier and Type	Method	Description
  boolean	addMember (Principal user)	Adds the specified member to the group.
  boolean	isMember (Principal member)	Returns true if the passed principal is a member of the group.
  Enumeration<? extends Principal>	members ()	Returns an enumeration of the members in the group.
  boolean	removeMember (Principal user)	Removes the specified member from the group.

  • Methods inherited from interface java.security.Principal

    equals, getName, hashCode, implies, toString

• Method Detail

  • addMember

    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.

  • removeMember

    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.

  • isMember

    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.

  • members

    Enumeration<? extends Principal> 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.