1package gov.nist.javax.sip.parser.ims;
2/*
3* Conditions Of Use
4*
5* This software was developed by employees of the National Institute of
6* Standards and Technology (NIST), an agency of the Federal Government.
7* Pursuant to title 15 Untied States Code Section 105, works of NIST
8* employees are not subject to copyright protection in the United States
9* and are considered to be in the public domain.  As a result, a formal
10* license is not needed to use the software.
11*
12* This software is provided by NIST as a service and is expressly
13* provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
14* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
15* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
16* AND DATA ACCURACY.  NIST does not warrant or make any representations
17* regarding the use of the software or the results thereof, including but
18* not limited to the correctness, accuracy, reliability or usefulness of
19* the software.
20*
21* Permission to use this software is contingent upon your acceptance
22* of the terms of this agreement
23*
24* .
25*
26*/
27
28import java.text.ParseException;
29import gov.nist.javax.sip.header.SIPHeader;
30import gov.nist.javax.sip.header.ims.PUserDatabase;
31import gov.nist.javax.sip.parser.Lexer;
32import gov.nist.javax.sip.parser.ParametersParser;
33import gov.nist.javax.sip.parser.TokenTypes;
34
35/**
36 *
37 * @author aayush.bhatnagar
38 * Rancore Technologies Pvt Ltd, Mumbai India.
39 *
40 * This is the parser for the P-user-database header.
41 * The syntax for the P-user-database header as per
42 * RFC 4457 is given below:
43 *
44 * P-User-Database = "P-User-Database" HCOLON database
45 *                    *( SEMI generic-param )
46 * database        = LAQUOT DiameterURI RAQUOT
47 *
48 * Eg: P-User-Database: <aaa://host.example.com;transport=tcp>
49 *
50 */
51public class PUserDatabaseParser extends ParametersParser implements TokenTypes{
52
53    /**
54     *
55     * @param databaseName
56     */
57    public PUserDatabaseParser(String databaseName)
58    {
59        super(databaseName);
60    }
61
62    /**
63     *
64     * @param lexer
65     */
66    public PUserDatabaseParser(Lexer lexer)
67    {
68        super(lexer);
69    }
70
71    public SIPHeader parse() throws ParseException {
72
73        if (debug)
74            dbg_enter("PUserDatabase.parse");
75
76        try{
77            this.lexer.match(TokenTypes.P_USER_DATABASE);
78            this.lexer.SPorHT();
79            this.lexer.match(':');
80            this.lexer.SPorHT();
81
82            PUserDatabase userDatabase = new PUserDatabase();
83            this.parseheader(userDatabase);
84
85             return userDatabase;
86        }
87        finally{
88            if(debug)
89            dbg_leave("PUserDatabase.parse");
90        }
91    }
92
93    private void parseheader(PUserDatabase userDatabase) throws ParseException
94    {
95        StringBuffer dbname = new StringBuffer();
96        this.lexer.match(LESS_THAN);
97
98        while(this.lexer.hasMoreChars())
99        {
100            char next = this.lexer.getNextChar();
101          if (next!='>'&&next!='\n')
102          {
103          dbname.append(next);
104          }
105
106         }
107        userDatabase.setDatabaseName(dbname.toString());
108          super.parse(userDatabase);
109
110}
111}
112