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*/
26/*******************************************
27 * PRODUCT OF PT INOVACAO - EST DEPARTMENT *
28 *******************************************/
29
30package gov.nist.javax.sip.parser.ims;
31
32import gov.nist.core.NameValue;
33import gov.nist.javax.sip.header.SIPHeader;
34import gov.nist.javax.sip.header.ims.PChargingVector;
35import gov.nist.javax.sip.header.ims.ParameterNamesIms;
36import gov.nist.javax.sip.parser.Lexer;
37import gov.nist.javax.sip.parser.ParametersParser;
38import gov.nist.javax.sip.parser.TokenTypes;
39
40import java.text.ParseException;
41
42/**
43 * P-Charging-Vector header parser.
44 *
45 * @author ALEXANDRE MIGUEL SILVA SANTOS
46 */
47
48public class PChargingVectorParser
49extends ParametersParser implements TokenTypes {
50
51    public PChargingVectorParser(String chargingVector) {
52
53        super(chargingVector);
54
55    }
56
57    protected PChargingVectorParser(Lexer lexer) {
58
59        super(lexer);
60
61    }
62
63
64
65    public SIPHeader parse() throws ParseException {
66
67
68        if (debug)
69            dbg_enter("parse");
70        try {
71            headerName(TokenTypes.P_VECTOR_CHARGING);
72            PChargingVector chargingVector = new PChargingVector();
73
74            try {
75                while (lexer.lookAhead(0) != '\n') {
76                    this.parseParameter(chargingVector);
77                    this.lexer.SPorHT();
78                    char la = lexer.lookAhead(0);
79                    if (la == '\n' || la == '\0')
80                        break;
81                    this.lexer.match(';');
82                    this.lexer.SPorHT();
83                }
84
85            } catch (ParseException ex) {
86                throw ex;
87            }
88
89
90            super.parse(chargingVector);
91            if ( chargingVector.getParameter(ParameterNamesIms.ICID_VALUE) == null )
92                throw new ParseException("Missing a required Parameter : " + ParameterNamesIms.ICID_VALUE, 0);
93            return chargingVector;
94        } finally {
95            if (debug)
96                dbg_leave("parse");
97        }
98    }
99
100    protected void parseParameter(PChargingVector chargingVector) throws ParseException {
101
102        if (debug)
103            dbg_enter("parseParameter");
104        try {
105            NameValue nv = this.nameValue('=');
106            chargingVector.setParameter(nv);
107        } finally {
108            if (debug)
109                dbg_leave("parseParameter");
110        }
111
112
113
114    }
115
116
117
118}
119