GroupPrincipal (Security Core Classes 6.2.5 API)

All Superinterfaces:

Principal
```
public interface GroupPrincipal
extends Principal
```
A group of principals.

Author:

Arjan Tijms

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isMember(Principal principal)`	Returns true when the given principal is in this group.
`Enumeration<? extends Principal>`	`members()`	Returns an enumeration of all the principals in this group.

Methods inherited from interface java.security.Principal
equals, getName, hashCode, implies, toString

- Method Detail
  - isMember
```
boolean isMember(Principal principal)
```
    Returns true when the given principal is in this group.
    A recursive search is done, meaning that if a principal is in a group which is itself in this group, the result is true.
    
    Parameters:
    
    principal - the principal for which we check to be in this group.
    
    Returns:
    
    true if the principal is in this group, false otherwise.
  - members
```
Enumeration<? extends Principal> members()
```
    Returns an enumeration of all the principals in this group.
    The returned principals can include principals that are besides instanced of Principal also instances of GroupPrincipal.
    
    Returns:
    
    an enumeration of principals in this group, potentially including nested group principals.