1 /* 2 * Copyright 2006-2011 the original author or authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with 5 * the License. You may obtain a copy of the License at 6 * 7 * https://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on 10 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the 11 * specific language governing permissions and limitations under the License. 12 */ 13 package org.springframework.security.oauth2.common; 14 15 /** 16 * Enumeration of possible methods for transmitting authentication credentials. 17 */ 18 public enum AuthenticationScheme { 19 20 /** 21 * Send an Authorization header. 22 */ 23 header, 24 25 /** 26 * Send a query parameter in the URI. 27 */ 28 query, 29 30 /** 31 * Send in the form body. 32 */ 33 form, 34 35 /** 36 * Do not send at all. 37 */ 38 none 39 }