001// ***************************************************************************************************************************
002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements.  See the NOTICE file *
003// * distributed with this work for additional information regarding copyright ownership.  The ASF licenses this file        *
004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance            *
005// * with the License.  You may obtain a copy of the License at                                                              *
006// *                                                                                                                         *
007// *  http://www.apache.org/licenses/LICENSE-2.0                                                                             *
008// *                                                                                                                         *
009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an  *
010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the License for the        *
011// * specific language governing permissions and limitations under the License.                                              *
012// ***************************************************************************************************************************
013package org.apache.juneau.http;
014
015import org.apache.juneau.http.annotation.*;
016
017/**
018 * Category of headers that consist of a single integer value.
019 *
020 * <p>
021 * <h5 class='figure'>Example</h5>
022 * <p class='bcode w800'>
023 *    Age: 300
024 * </p>
025 *
026 * <ul class='seealso'>
027 *    <li class='extlink'>{@doc RFC2616}
028 * </ul>
029 */
030@Header(type="integer",format="int32")
031public class HeaderInteger {
032
033   private final Integer value;
034
035   /**
036    * Constructor.
037    *
038    * @param value The raw header value.
039    */
040   protected HeaderInteger(String value) {
041      int _value = 0;
042      try {
043         _value = Integer.parseInt(value);
044      } catch (NumberFormatException e) {
045         try {
046            Long.parseLong(value);
047            _value = Integer.MAX_VALUE;
048         } catch (NumberFormatException e2) {}
049      }
050      this.value = _value;
051   }
052
053   /**
054    * Constructor.
055    *
056    * @param value The parsed header value.
057    */
058   protected HeaderInteger(Integer value) {
059      this.value = value;
060   }
061
062   /**
063    * Returns this header as a simple string value.
064    *
065    * <p>
066    * Functionally equivalent to calling {@link #toString()}.
067    *
068    * @return This header as a simple string.
069    */
070   public int asInt() {
071      return value;
072   }
073
074   @Override /* Object */
075   public String toString() {
076      return String.valueOf(value);
077   }
078}