/* * Copyright 2013-2017 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.cloudfoundry.uaa.tokens; import com.fasterxml.jackson.annotation.JsonCreator; import com.fasterxml.jackson.annotation.JsonValue; /** * The grant types that can be used to obtain a token. */ public enum GrantType { /** * The authorization code grant type */ AUTHORIZATION_CODE("authorization_code"), /** * The client_credentials grant type */ CLIENT_CREDENTIALS("client_credentials"), /** * The implicit grant type */ IMPLICIT("implicit"), /** * The password grant type */ PASSWORD("password"), /** * The refresh token grant type */ REFRESH_TOKEN("refresh_token"); private final String value; GrantType(String value) { this.value = value; } @JsonCreator public static GrantType from(String s) { switch (s.toLowerCase()) { case "authorization_code": return AUTHORIZATION_CODE; case "client_credentials": return CLIENT_CREDENTIALS; case "implicit": return IMPLICIT; case "password": return PASSWORD; case "refresh_token": return REFRESH_TOKEN; default: throw new IllegalArgumentException(String.format("Unknown grant type: %s", s)); } } @JsonValue public String getValue() { return this.value; } @Override public String toString() { return getValue(); } }