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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.syncope.common.rest.api;
20  
21  /**
22   * Preferences available to be specified during requests.
23   *
24   * @see RESTHeaders#PREFER
25   * @see RESTHeaders#PREFERENCE_APPLIED
26   */
27  public enum Preference {
28  
29      NONE(""),
30      RETURN_CONTENT("return-content"),
31      RETURN_NO_CONTENT("return-no-content"),
32      RESPOND_ASYNC("respond-async");
33  
34      private final String literal;
35  
36      Preference(final String literal) {
37          this.literal = literal;
38      }
39  
40      @Override
41      public String toString() {
42          return literal;
43      }
44  
45      public static Preference fromString(final String literal) {
46          Preference result = null;
47  
48          for (Preference preference : values()) {
49              if (preference.toString().equalsIgnoreCase(literal)) {
50                  result = preference;
51              }
52          }
53  
54          if (result == null) {
55              result = NONE;
56          }
57  
58          return result;
59      }
60  }