waffle.jaas.GroupPrincipal Maven / Gradle / Ivy
/**
* Waffle (https://github.com/Waffle/waffle)
*
* Copyright (c) 2010-2018 Application Security, Inc.
*
* All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse
* Public License v1.0 which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-v10.html.
*
* Contributors: Application Security, Inc.
*/
package waffle.jaas;
import java.security.Principal;
import java.security.acl.Group;
import java.util.Collection;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
/**
* Group principal.
*
* @author rockchip[dot]tv[at]gmail[dot]com
*/
public class GroupPrincipal extends UserPrincipal implements Group {
/** The Constant serialVersionUID. */
private static final long serialVersionUID = 1L;
/** The fqn. */
private final String fqn;
/** A list of fqn members for this group. */
private final Map members;
/**
* Instantiates a new group principal.
*
* @param fqn
* the fqn
*/
public GroupPrincipal(final String fqn) {
super(fqn);
this.fqn = fqn;
this.members = new HashMap<>();
}
@Override
public String getName() {
return this.fqn;
}
@Override
public boolean addMember(final Principal user) {
final boolean isMember = this.members.containsKey(user);
if (!isMember) {
this.members.put(user, user);
}
return isMember;
}
@Override
public boolean isMember(final Principal user) {
boolean isMember = this.members.containsKey(user);
if (!isMember) {
final Collection values = this.members.values();
for (final Principal principal : values) {
if (principal instanceof Group) {
final Group group = (Group) principal;
isMember = group.isMember(user);
if (isMember) {
break;
}
}
}
}
return isMember;
}
@Override
public Enumeration members() {
return Collections.enumeration(this.members.values());
}
@Override
public boolean removeMember(final Principal user) {
final Object prev = this.members.remove(user);
return prev != null;
}
@Override
public String toString() {
final StringBuilder tmp = new StringBuilder(this.getName());
tmp.append("(members:");
for (final Principal principal : this.members.keySet()) {
tmp.append(principal);
tmp.append(',');
}
tmp.setCharAt(tmp.length() - 1, ')');
return tmp.toString();
}
}