1/*
2* Conditions Of Use
3*
4* This software was developed by employees of the National Institute of
5* Standards and Technology (NIST), an agency of the Federal Government.
6* Pursuant to title 15 Untied States Code Section 105, works of NIST
7* employees are not subject to copyright protection in the United States
8* and are considered to be in the public domain.  As a result, a formal
9* license is not needed to use the software.
10*
11* This software is provided by NIST as a service and is expressly
12* provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
13* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
14* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
15* AND DATA ACCURACY.  NIST does not warrant or make any representations
16* regarding the use of the software or the results thereof, including but
17* not limited to the correctness, accuracy, reliability or usefulness of
18* the software.
19*
20* Permission to use this software is contingent upon your acceptance
21* of the terms of this agreement
22*
23* .
24*
25*/
26package gov.nist.javax.sip.parser;
27
28import gov.nist.javax.sip.address.*;
29import java.text.ParseException;
30
31/** Parser for addresses.
32 *
33 * @version 1.2 $Revision: 1.11 $ $Date: 2009/10/22 10:26:27 $
34 * @author M. Ranganathan
35 *
36 *
37 */
38public class AddressParser extends Parser {
39
40    public AddressParser(Lexer lexer) {
41        this.lexer = lexer;
42        this.lexer.selectLexer("charLexer");
43    }
44
45    public AddressParser(String address) {
46        this.lexer = new Lexer("charLexer", address);
47    }
48
49    protected AddressImpl nameAddr() throws ParseException {
50        if (debug)
51            dbg_enter("nameAddr");
52        try {
53            if (this.lexer.lookAhead(0) == '<') {
54                this.lexer.consume(1);
55                this.lexer.selectLexer("sip_urlLexer");
56                this.lexer.SPorHT();
57                URLParser uriParser = new URLParser((Lexer) lexer);
58                GenericURI uri = uriParser.uriReference( true );
59                AddressImpl retval = new AddressImpl();
60                retval.setAddressType(AddressImpl.NAME_ADDR);
61                retval.setURI(uri);
62                this.lexer.SPorHT();
63                this.lexer.match('>');
64                return retval;
65            } else {
66                AddressImpl addr = new AddressImpl();
67                addr.setAddressType(AddressImpl.NAME_ADDR);
68                String name = null;
69                if (this.lexer.lookAhead(0) == '\"') {
70                    name = this.lexer.quotedString();
71                    this.lexer.SPorHT();
72                } else
73                    name = this.lexer.getNextToken('<');
74                addr.setDisplayName(name.trim());
75                this.lexer.match('<');
76                this.lexer.SPorHT();
77                URLParser uriParser = new URLParser((Lexer) lexer);
78                GenericURI uri = uriParser.uriReference( true );
79                AddressImpl retval = new AddressImpl();
80                addr.setAddressType(AddressImpl.NAME_ADDR);
81                addr.setURI(uri);
82                this.lexer.SPorHT();
83                this.lexer.match('>');
84                return addr;
85            }
86        } finally {
87            if (debug)
88                dbg_leave("nameAddr");
89        }
90    }
91
92    public AddressImpl address( boolean inclParams ) throws ParseException {
93        if (debug)
94            dbg_enter("address");
95        AddressImpl retval = null;
96        try {
97            int k = 0;
98            while (lexer.hasMoreChars()) {
99                char la = lexer.lookAhead(k);
100                if (la == '<'
101                    || la == '\"'
102                    || la == ':'
103                    || la == '/')
104                    break;
105                else if (la == '\0')
106                    throw createParseException("unexpected EOL");
107                else
108                    k++;
109            }
110            char la = lexer.lookAhead(k);
111            if (la == '<' || la == '\"') {
112                retval = nameAddr();
113            } else if (la == ':' || la == '/') {
114                retval = new AddressImpl();
115                URLParser uriParser = new URLParser((Lexer) lexer);
116                GenericURI uri = uriParser.uriReference( inclParams );
117                retval.setAddressType(AddressImpl.ADDRESS_SPEC);
118                retval.setURI(uri);
119            } else {
120                throw createParseException("Bad address spec");
121            }
122            return retval;
123        } finally {
124            if (debug)
125                dbg_leave("address");
126        }
127
128    }
129
130    /*
131
132    */
133}
134/*
135 * $Log: AddressParser.java,v $
136 * Revision 1.11  2009/10/22 10:26:27  jbemmel
137 * Fix for issue #230, restructured the code such that parsing for any address appearing without '<' '>'
138 * stops at ';', then parameters are assigned to the header as expected
139 *
140 * Revision 1.10  2009/07/17 18:57:57  emcho
141 * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
142 *
143 * Revision 1.9  2007/02/12 15:19:26  belangery
144 * Changed the encode() and encodeBody() methods of SIP headers and basic classes to make them use the same StringBuffer instance during the encoding phase.
145 *
146 * Revision 1.8  2007/02/06 16:40:02  belangery
147 * Introduced simple code optimizations.
148 *
149 * Revision 1.7  2006/07/13 09:01:57  mranga
150 * Issue number:
151 * Obtained from:
152 * Submitted by:  jeroen van bemmel
153 * Reviewed by:   mranga
154 * Moved some changes from jain-sip-1.2 to java.net
155 *
156 * CVS: ----------------------------------------------------------------------
157 * CVS: Issue number:
158 * CVS:   If this change addresses one or more issues,
159 * CVS:   then enter the issue number(s) here.
160 * CVS: Obtained from:
161 * CVS:   If this change has been taken from another system,
162 * CVS:   then name the system in this line, otherwise delete it.
163 * CVS: Submitted by:
164 * CVS:   If this code has been contributed to the project by someone else; i.e.,
165 * CVS:   they sent us a patch or a set of diffs, then include their name/email
166 * CVS:   address here. If this is your work then delete this line.
167 * CVS: Reviewed by:
168 * CVS:   If we are doing pre-commit code reviews and someone else has
169 * CVS:   reviewed your changes, include their name(s) here.
170 * CVS:   If you have not had it reviewed then delete this line.
171 *
172 * Revision 1.4  2006/06/19 06:47:27  mranga
173 * javadoc fixups
174 *
175 * Revision 1.3  2006/06/16 15:26:28  mranga
176 * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
177 *
178 * Revision 1.2  2006/03/08 23:32:54  mranga
179 * *** empty log message ***
180 *
181 * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
182 *
183 * Import
184 *
185 *
186 * Revision 1.5  2004/07/28 14:13:54  mranga
187 * Submitted by:  mranga
188 *
189 * Move out the test code to a separate test/unit class.
190 * Fixed some encode methods.
191 *
192 * Revision 1.4  2004/01/22 13:26:31  sverker
193 * Issue number:
194 * Obtained from:
195 * Submitted by:  sverker
196 * Reviewed by:   mranga
197 *
198 * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
199 *
200 * CVS: ----------------------------------------------------------------------
201 * CVS: Issue number:
202 * CVS:   If this change addresses one or more issues,
203 * CVS:   then enter the issue number(s) here.
204 * CVS: Obtained from:
205 * CVS:   If this change has been taken from another system,
206 * CVS:   then name the system in this line, otherwise delete it.
207 * CVS: Submitted by:
208 * CVS:   If this code has been contributed to the project by someone else; i.e.,
209 * CVS:   they sent us a patch or a set of diffs, then include their name/email
210 * CVS:   address here. If this is your work then delete this line.
211 * CVS: Reviewed by:
212 * CVS:   If we are doing pre-commit code reviews and someone else has
213 * CVS:   reviewed your changes, include their name(s) here.
214 * CVS:   If you have not had it reviewed then delete this line.
215 *
216 */
217