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:
26: package gov.nist.javax.sdp.parser;
27:
28: import gov.nist.javax.sdp.fields.*;
29: import gov.nist.core.*;
30:
31: /**
32: * Bandwidth field parser.
33: * @version 1.0
34: */
35: public class BandwidthFieldParser extends SDPParser {
36:
37: /**
38: * Creates new BandwidthFieldParser.
39: * @param bandwidthField the bandwidth string to be parsed
40: */
41: public BandwidthFieldParser(String bandwidthField) {
42: lexer = new Lexer("charLexer", bandwidthField);
43: }
44:
45: /** Default constructor. */
46: protected BandwidthFieldParser() {
47: super ();
48: }
49:
50: /**
51: * Perform the bandwidth field parsing
52: * @return the parsed bandwidth field
53: * @exception ParseException if a parsing error occurs
54: */
55: public BandwidthField bandwidthField() throws ParseException {
56: lexer.match('b');
57: lexer.SPorHT();
58: lexer.match('=');
59: lexer.SPorHT();
60:
61: BandwidthField bandwidthField = new BandwidthField();
62:
63: NameValue nameValue = nameValue(':');
64: String name = nameValue.getName();
65: String value = (String) nameValue.getValue();
66:
67: bandwidthField.setBandwidth(Integer.parseInt(value.trim()));
68: bandwidthField.setBwtype(name);
69:
70: lexer.SPorHT();
71: return bandwidthField;
72: }
73:
74: /**
75: * Perform the bandwidth field parsing
76: * @return the parsed bandwidth field
77: * @exception ParseException if a parsing error occurs
78: */
79: public SDPField parse() throws ParseException {
80: return bandwidthField();
81: }
82:
83: }
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