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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   */
20  package org.apache.mina.coap;
21  
22  /**
23   * A type of CoAP option following the CoAP RFC list.
24   * 
25   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
26   */
27  public enum CoapOptionType {
28      IF_MATCH(1), URI_HOST(3), ETAG(4), IF_NONE_MATCH(5), OBSERVE(6), URI_PORT(7), LOCATION_PATH(8), URI_PATH(11),
29      CONTENT_FORMAT(12), MAX_AGE(14), URI_QUERY(15), ACCEPT(16), LOCATION_QUERY(20), PROXY_URI(35), PROXY_SCHEME(39);
30  
31      private final int code;
32  
33      private CoapOptionType(int code) {
34          this.code = code;
35      }
36  
37      /**
38       * @return the numeric code for this option type
39       */
40      public int getCode() {
41          return code;
42      }
43  
44      /**
45       * Find the {@link CoapOptionType} for the given value code (<code>null</code> if not found)
46       */
47      public static CoapOptionType fromCode(int code) {
48          for (CoapOptionType t : CoapOptionType.values()) {
49              if (t.getCode() == code) {
50                  return t;
51              }
52          }
53          return null;
54      }
55  }