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.internal.*; 016 017/** 018 * Category of headers that consist of a single HTTP-date. 019 * 020 * <p> 021 * <h5 class='figure'>Example</h5> 022 * <p class='bcode w800'> 023 * If-Modified-Since: Sat, 29 Oct 1994 19:43:31 GMT 024 * </p> 025 * 026 * <ul class='seealso'> 027 * <li class='extlink'>{@doc RFC2616} 028 * </ul> 029 */ 030public class HeaderDate { 031 032 private final java.util.Date date; 033 private final String raw; 034 035 /** 036 * Constructor. 037 * 038 * @param raw The raw header value. 039 */ 040 protected HeaderDate(String raw) { 041 this.raw = raw; 042 this.date = DateUtils.parseDate(raw); 043 } 044 045 /** 046 * Returns this header value as a {@link java.util.Date}. 047 * 048 * @return This header value as a {@link java.util.Date}, or <jk>null</jk> if the header could not be parsed. 049 */ 050 public java.util.Date asDate() { 051 return date; 052 } 053 054 @Override /* Object */ 055 public String toString() { 056 return raw; 057 } 058}