Home | History | Annotate | Download | only in parser
      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 package gov.nist.javax.sip.parser;
     27 
     28 import gov.nist.javax.sip.header.*;
     29 import gov.nist.javax.sip.address.*;
     30 import java.text.ParseException;
     31 
     32 /**
     33  * Parser for CallInfo header.
     34  *
     35  * @version 1.2 $Revision: 1.8 $ $Date: 2009/10/22 10:27:36 $
     36  *
     37  * @author Olivier Deruelle
     38  * @author M. Ranganathan
     39  *
     40  */
     41 public class CallInfoParser  extends ParametersParser{
     42 
     43     /**
     44      * Creates a new instance of CallInfoParser
     45      * @param callInfo the header to parse
     46      */
     47     public CallInfoParser(String callInfo) {
     48         super(callInfo);
     49     }
     50 
     51     /**
     52      * Constructor
     53      * @param lexer the lexer to use to parse the header
     54      */
     55     protected  CallInfoParser(Lexer lexer) {
     56         super(lexer);
     57     }
     58 
     59     /**
     60      * parse the CallInfo String header
     61      * @return SIPHeader (CallInfoList object)
     62      * @throws SIPParseException if the message does not respect the spec.
     63      */
     64     public SIPHeader parse() throws ParseException {
     65 
     66         if (debug) dbg_enter("CallInfoParser.parse");
     67         CallInfoList list=new CallInfoList();
     68 
     69         try {
     70             headerName(TokenTypes.CALL_INFO);
     71 
     72             while (lexer.lookAhead(0) != '\n') {
     73                 CallInfo callInfo= new CallInfo();
     74                 callInfo.setHeaderName(SIPHeaderNames.CALL_INFO);
     75 
     76                 this.lexer.SPorHT();
     77                 this.lexer.match('<');
     78                 URLParser urlParser=new URLParser((Lexer)this.lexer);
     79                 GenericURI uri=urlParser.uriReference(true);
     80                 callInfo.setInfo(uri);
     81                 this.lexer.match('>');
     82                 this.lexer.SPorHT();
     83 
     84                 super.parse(callInfo);
     85                 list.add(callInfo);
     86 
     87                 while (lexer.lookAhead(0) == ',') {
     88                     this.lexer.match(',');
     89                     this.lexer.SPorHT();
     90 
     91                     callInfo= new CallInfo();
     92 
     93                     this.lexer.SPorHT();
     94                     this.lexer.match('<');
     95                     urlParser=new URLParser((Lexer)this.lexer);
     96                     uri=urlParser.uriReference(true);
     97                     callInfo.setInfo(uri);
     98                     this.lexer.match('>');
     99                     this.lexer.SPorHT();
    100 
    101                     super.parse(callInfo);
    102                     list.add(callInfo);
    103                 }
    104             }
    105 
    106             return list;
    107         }
    108         finally {
    109             if (debug) dbg_leave("CallInfoParser.parse");
    110         }
    111     }
    112 
    113 
    114 }
    115 /*
    116  * $Log: CallInfoParser.java,v $
    117  * Revision 1.8  2009/10/22 10:27:36  jbemmel
    118  * Fix for issue #230, restructured the code such that parsing for any address appearing without '<' '>'
    119  * stops at ';', then parameters are assigned to the header as expected
    120  *
    121  * Revision 1.7  2006/07/13 09:02:15  mranga
    122  * Issue number:
    123  * Obtained from:
    124  * Submitted by:  jeroen van bemmel
    125  * Reviewed by:   mranga
    126  * Moved some changes from jain-sip-1.2 to java.net
    127  *
    128  * CVS: ----------------------------------------------------------------------
    129  * CVS: Issue number:
    130  * CVS:   If this change addresses one or more issues,
    131  * CVS:   then enter the issue number(s) here.
    132  * CVS: Obtained from:
    133  * CVS:   If this change has been taken from another system,
    134  * CVS:   then name the system in this line, otherwise delete it.
    135  * CVS: Submitted by:
    136  * CVS:   If this code has been contributed to the project by someone else; i.e.,
    137  * CVS:   they sent us a patch or a set of diffs, then include their name/email
    138  * CVS:   address here. If this is your work then delete this line.
    139  * CVS: Reviewed by:
    140  * CVS:   If we are doing pre-commit code reviews and someone else has
    141  * CVS:   reviewed your changes, include their name(s) here.
    142  * CVS:   If you have not had it reviewed then delete this line.
    143  *
    144  * Revision 1.3  2006/06/19 06:47:27  mranga
    145  * javadoc fixups
    146  *
    147  * Revision 1.2  2006/06/16 15:26:28  mranga
    148  * Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
    149  *
    150  * Revision 1.1.1.1  2005/10/04 17:12:35  mranga
    151  *
    152  * Import
    153  *
    154  *
    155  * Revision 1.5  2004/07/28 14:13:54  mranga
    156  * Submitted by:  mranga
    157  *
    158  * Move out the test code to a separate test/unit class.
    159  * Fixed some encode methods.
    160  *
    161  * Revision 1.4  2004/01/22 13:26:31  sverker
    162  * Issue number:
    163  * Obtained from:
    164  * Submitted by:  sverker
    165  * Reviewed by:   mranga
    166  *
    167  * Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
    168  *
    169  * CVS: ----------------------------------------------------------------------
    170  * CVS: Issue number:
    171  * CVS:   If this change addresses one or more issues,
    172  * CVS:   then enter the issue number(s) here.
    173  * CVS: Obtained from:
    174  * CVS:   If this change has been taken from another system,
    175  * CVS:   then name the system in this line, otherwise delete it.
    176  * CVS: Submitted by:
    177  * CVS:   If this code has been contributed to the project by someone else; i.e.,
    178  * CVS:   they sent us a patch or a set of diffs, then include their name/email
    179  * CVS:   address here. If this is your work then delete this line.
    180  * CVS: Reviewed by:
    181  * CVS:   If we are doing pre-commit code reviews and someone else has
    182  * CVS:   reviewed your changes, include their name(s) here.
    183  * CVS:   If you have not had it reviewed then delete this line.
    184  *
    185  */
    186