01: /*
02: * Portions Copyright 2000-2007 Sun Microsystems, Inc. All Rights
03: * Reserved. Use is subject to license terms.
04: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
05: *
06: * This program is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU General Public License version
08: * 2 only, as published by the Free Software Foundation.
09: *
10: * This program is distributed in the hope that it will be useful, but
11: * WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * General Public License version 2 for more details (a copy is
14: * included at /legal/license.txt).
15: *
16: * You should have received a copy of the GNU General Public License
17: * version 2 along with this work; if not, write to the Free Software
18: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
19: * 02110-1301 USA
20: *
21: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
22: * Clara, CA 95054 or visit www.sun.com if you need additional
23: * information or have any questions.
24: */
25: package gov.nist.javax.sdp.parser;
26:
27: import gov.nist.javax.sdp.fields.*;
28: import gov.nist.core.*;
29:
30: /**
31: * Key field parser.
32: * @version 1.0
33: */
34: public class KeyFieldParser extends SDPParser {
35:
36: /**
37: * Creates new KeyFieldParser.
38: * @param keyField the key field string to be parsed
39: */
40: public KeyFieldParser(String keyField) {
41: lexer = new Lexer("charLexer", keyField);
42: }
43:
44: /** Default constructor. */
45: protected KeyFieldParser() {
46: super ();
47: }
48:
49: /**
50: * Perform the key field parsing
51: * @return the parsed key field
52: * @exception ParseException if a parsing error occurs
53: */
54: public KeyField keyField() throws ParseException {
55: lexer.match('k');
56: lexer.SPorHT();
57: lexer.match('=');
58: lexer.SPorHT();
59:
60: KeyField keyField = new KeyField();
61: NameValue nameValue = nameValue();
62: String name = nameValue.getName();
63: String value = (String) nameValue.getValue();
64:
65: keyField.setType(name);
66:
67: keyField.setKeyData(value);
68:
69: return keyField;
70:
71: }
72:
73: /**
74: * Perform the key field parsing
75: * @return the parsed key field
76: * @exception ParseException if a parsing error occurs
77: */
78: public SDPField parse() throws ParseException {
79: return keyField();
80: }
81:
82: }
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