Java tutorial
/* * Cloud Foundry 2012.02.03 Beta * Copyright (c) [2009-2012] VMware, Inc. All Rights Reserved. * * This product is licensed to you under the Apache License, Version 2.0 (the "License"). * You may not use this product except in compliance with the License. * * This product includes a number of subcomponents with * separate copyright notices and license terms. Your use of these * subcomponents is subject to the terms and conditions of the * subcomponent's license, as noted in the LICENSE file. */ package org.cloudfoundry.identity.uaa.user; import java.util.Arrays; import java.util.Collections; import java.util.List; import org.springframework.security.core.GrantedAuthority; import org.springframework.security.core.authority.SimpleGrantedAuthority; /** * The UAA only distinguishes 2 types of user for internal usage, denoted <code>uaa.admin</code> and * <code>uaa.user</code>. Other authorities might be stored in the back end for the purposes of other resource servers, * so this enumeration has convenient methods for extracting the UAA user types from authorities lists. * * @author Luke Taylor * @author Dave Syer */ public enum UaaAuthority implements GrantedAuthority { UAA_ADMIN("uaa.admin", 1), UAA_USER("uaa.user", 0), UAA_NONE("uaa.none", -1); public static final List<UaaAuthority> ADMIN_AUTHORITIES = Collections .unmodifiableList(Arrays.asList(UAA_ADMIN, UAA_USER)); public static final List<UaaAuthority> USER_AUTHORITIES = Collections.unmodifiableList(Arrays.asList(UAA_USER)); public static final List<UaaAuthority> NONE_AUTHORITIES = Collections.unmodifiableList(Arrays.asList(UAA_NONE)); private final int value; private final String userType; private UaaAuthority(String userType, int value) { this.userType = userType; this.value = value; } public int value() { return value; } /** * The name of the type of user, either "uaa.admin" or "uaa.user". * * @return a user type name */ public String getUserType() { return userType; } /** * The authority granted by this value (same as user type). * * @return the name of the value (uaa.user, etc.) * @see org.springframework.security.core.GrantedAuthority#getAuthority() */ @Override public String getAuthority() { return userType; } @Override public String toString() { return userType; } public static UaaAuthority fromAuthorities(String authorities) { String type = authorities == null ? "uaa.user" : authorities.toLowerCase(); return type.contains("uaa.admin") ? UAA_ADMIN : UAA_USER; } public static GrantedAuthority authority(String value) { return value.contains("uaa.admin") ? UAA_ADMIN : value.contains("uaa.admin") ? UAA_USER : new SimpleGrantedAuthority(value); } }