| /* |
| * Conditions Of Use |
| * |
| * This software was developed by employees of the National Institute of |
| * Standards and Technology (NIST), an agency of the Federal Government. |
| * Pursuant to title 15 Untied States Code Section 105, works of NIST |
| * employees are not subject to copyright protection in the United States |
| * and are considered to be in the public domain. As a result, a formal |
| * license is not needed to use the software. |
| * |
| * This software is provided by NIST as a service and is expressly |
| * provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED |
| * OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT |
| * AND DATA ACCURACY. NIST does not warrant or make any representations |
| * regarding the use of the software or the results thereof, including but |
| * not limited to the correctness, accuracy, reliability or usefulness of |
| * the software. |
| * |
| * Permission to use this software is contingent upon your acceptance |
| * of the terms of this agreement |
| * |
| * . |
| * |
| */ |
| package gov.nist.javax.sip.parser; |
| import gov.nist.javax.sip.header.*; |
| import java.util.*; |
| import java.text.ParseException; |
| |
| /** |
| * Parser for SIP Date field. Converts from SIP Date to the |
| * internal storage (Calendar) |
| * |
| * @version 1.2 $Revision: 1.11 $ $Date: 2009/07/17 18:57:59 $ |
| */ |
| public class DateParser extends HeaderParser { |
| |
| /** |
| * Constructor |
| * @param date message to parse to set |
| */ |
| public DateParser(String date) { |
| super(date); |
| } |
| |
| protected DateParser(Lexer lexer) { |
| super(lexer); |
| } |
| |
| /** |
| * Parse method. |
| * @throws ParseException |
| * @return the parsed Date header/ |
| */ |
| public SIPHeader parse() throws ParseException { |
| if (debug) |
| dbg_enter("DateParser.parse"); |
| try { |
| headerName(TokenTypes.DATE); |
| wkday(); |
| lexer.match(','); |
| lexer.match(' '); |
| Calendar cal = date(); |
| lexer.match(' '); |
| time(cal); |
| lexer.match(' '); |
| String tzone = this.lexer.ttoken().toLowerCase(); |
| if (!"gmt".equals(tzone)) |
| throw createParseException("Bad Time Zone " + tzone); |
| this.lexer.match('\n'); |
| SIPDateHeader retval = new SIPDateHeader(); |
| retval.setDate(cal); |
| return retval; |
| } finally { |
| if (debug) |
| dbg_leave("DateParser.parse"); |
| |
| } |
| |
| } |
| |
| |
| } |