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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  }