01: /*
02: *
03: *
04: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26:
27: package gov.nist.siplite.parser;
28:
29: import gov.nist.core.*;
30: import gov.nist.siplite.header.*;
31:
32: /**
33: * Parser for content type header.
34: *
35: *
36: *
37: */
38: public class AcceptContactParser extends ParametersParser {
39: /** Default constructor. */
40: AcceptContactParser() {
41: }
42:
43: /**
44: * Constructor with initial lexer engine.
45: * @param lexer initial lexer engine
46: */
47: protected AcceptContactParser(Lexer lexer) {
48: super (lexer);
49: }
50:
51: /**
52: * Invokes parser for content type header field.
53: * @return the parsed content type header
54: * @exception ParseException if a parsing error occurs
55: */
56: public Header parse() throws ParseException {
57:
58: AcceptContactHeader acceptContact = new AcceptContactHeader();
59:
60: this .headerName(TokenTypes.ACCEPT_CONTACT);
61:
62: // first symbol must be star (RFC 3841)
63: lexer.match(TokenTypes.STAR);
64: this .lexer.SPorHT();
65: super .parse(acceptContact);
66: this .lexer.match('\n');
67: return acceptContact;
68:
69: }
70:
71: }
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