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