Mercurial > hg > release > thermostat-1.2
view web/server/src/main/java/com/redhat/thermostat/web/server/auth/RolePrincipal.java @ 1660:c6ae78b6f3ac
[Thermostat 1.2] Update copyright year to 2015
Reviewed-by: omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2015-March/013127.html
PR2273
author | Severin Gehwolf <sgehwolf@redhat.com> |
---|---|
date | Wed, 11 Mar 2015 15:07:27 +0100 |
parents | 0f2fbbea20bf |
children |
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/* * Copyright 2012-2015 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.web.server.auth; import java.security.Principal; import java.security.acl.Group; import java.util.Enumeration; import java.util.HashSet; import java.util.Iterator; import java.util.Objects; import java.util.Vector; /** * Class representing a simple thermostat role. Roles can be nested. * * @see Group */ public class RolePrincipal extends BasicRole { private static final long serialVersionUID = -7366668253791828610L; // the set of nested roles if any private final HashSet<Group> roles; /** * Creates a role principal with the specified role name containing no roles * within it. * * @param roleName * @throws NullPointerException if roleName was null. */ public RolePrincipal(String roleName) { super(Objects.requireNonNull(roleName)); this.roles = new HashSet<>(); } /** * Adds a role this role principal. * * @return true if and only if the role has been successfully added. * @throws IllegalArgumentException * if the principal to be added is not a {@link Group} * NullPointerException If the role was null. */ @Override public boolean addMember(Principal role) { if (!(Objects.requireNonNull(role) instanceof Group)) { throw new IllegalArgumentException("principal not a group"); } return roles.add((Group) role); } /** * Removes a role from this role principal. * * @return true if the principal was successfully removed. */ @Override public boolean removeMember(Principal role) { // will return false if role not a member, omit check for Group return roles.remove(role); } @Override public boolean isMember(Principal member) { if (roles.contains(member)) { return true; } // recursive case Iterator<Group> it = roles.iterator(); boolean isMember = false; while (it.hasNext() && !isMember) { Group group = it.next(); isMember = isMember || group.isMember(member); } return isMember; } @Override public Enumeration<? extends Principal> members() { Iterator<Group> it = roles.iterator(); Vector<Principal> vector = new Vector<Principal>(); while (it.hasNext()) { vector.add(it.next()); } return vector.elements(); } }