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 * <h5 class='section'>See Also:</h5>
027 * <ul class='doctree'>
028 *    <li class='extlink'>{@doc RFC2616}
029 * </ul>
030 */
031@Header(type="integer",format="int32")
032public class HeaderInteger {
033
034   private final Integer value;
035
036   /**
037    * Constructor.
038    *
039    * @param value The raw header value.
040    */
041   protected HeaderInteger(String value) {
042      int _value = 0;
043      try {
044         _value = Integer.parseInt(value);
045      } catch (NumberFormatException e) {
046         try {
047            Long.parseLong(value);
048            _value = Integer.MAX_VALUE;
049         } catch (NumberFormatException e2) {}
050      }
051      this.value = _value;
052   }
053
054   /**
055    * Constructor.
056    *
057    * @param value The parsed header value.
058    */
059   protected HeaderInteger(Integer value) {
060      this.value = value;
061   }
062
063   /**
064    * Returns this header as a simple string value.
065    *
066    * <p>
067    * Functionally equivalent to calling {@link #toString()}.
068    *
069    * @return This header as a simple string.
070    */
071   public int asInt() {
072      return value;
073   }
074
075   @Override /* Object */
076   public String toString() {
077      return String.valueOf(value);
078   }
079}