/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain. As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS." NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY. NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
package gov.nist.javax.sdp.parser;
import gov.nist.javax.sdp.fields.*;
import gov.nist.core.*;
import java.text.*;
/**
* Parser for Connection Field.
*
* @version JAIN-SDP-PUBLIC-RELEASE $Revision: 1.5 $ $Date: 2009-07-17 18:57:15 $
*
* @author Olivier Deruelle
* @author M. Ranganathan
*
*
*/
public class ConnectionFieldParser extends SDPParser {
/** Creates new ConnectionFieldParser */
public ConnectionFieldParser(String connectionField) {
this.lexer = new Lexer("charLexer", connectionField);
}
public ConnectionAddress connectionAddress(String address) {
ConnectionAddress connectionAddress = new ConnectionAddress();
int begin = address.indexOf("/");
if (begin != -1) {
connectionAddress.setAddress(new Host(address.substring(0, begin)));
int middle = address.indexOf("/", begin + 1);
if (middle != -1) {
String ttl = address.substring(begin + 1, middle);
connectionAddress.setTtl(Integer.parseInt(ttl.trim()));
String addressNumber = address.substring(middle + 1);
connectionAddress.setPort(
Integer.parseInt(addressNumber.trim()));
} else {
String ttl = address.substring(begin + 1);
connectionAddress.setTtl(Integer.parseInt(ttl.trim()));
}
} else
connectionAddress.setAddress(new Host(address));
return connectionAddress;
}
public ConnectionField connectionField() throws ParseException {
try {
this.lexer.match('c');
this.lexer.SPorHT();
this.lexer.match('=');
this.lexer.SPorHT();
ConnectionField connectionField = new ConnectionField();
lexer.match(LexerCore.ID);
this.lexer.SPorHT();
Token token = lexer.getNextToken();
connectionField.setNettype(token.getTokenValue());
lexer.match(LexerCore.ID);
this.lexer.SPorHT();
token = lexer.getNextToken();
connectionField.setAddressType(token.getTokenValue());
this.lexer.SPorHT();
String rest = lexer.getRest();
ConnectionAddress connectionAddress =
connectionAddress(rest.trim());
connectionField.setAddress(connectionAddress);
return connectionField;
} catch (Exception e) {
throw new ParseException(lexer.getBuffer(), lexer.getPtr());
}
}
public SDPField parse() throws ParseException {
return this.connectionField();
}
/**
public static void main(String[] args) throws ParseException {
String connection[] = {
"c=IN IP4 224.2.17.12/127\n",
"c=IN IP4 224.2.1.1/127/3 \n",
"c=IN IP4 135.180.130.88\n"
};
for (int i = 0; i < connection.length; i++) {
ConnectionFieldParser connectionFieldParser=
new ConnectionFieldParser(
connection[i] );
ConnectionField connectionField=connectionFieldParser.
connectionField();
System.out.println("toParse: " +connection[i]);
System.out.println("encoded: " +connectionField.encode());
}
}
**/
}
/*
* $Log: not supported by cvs2svn $
* Revision 1.4 2006/07/13 09:02:43 mranga
* Issue number:
* Obtained from:
* Submitted by: jeroen van bemmel
* Reviewed by: mranga
* Moved some changes from jain-sip-1.2 to java.net
*
* CVS: ----------------------------------------------------------------------
* CVS: Issue number:
* CVS: If this change addresses one or more issues,
* CVS: then enter the issue number(s) here.
* CVS: Obtained from:
* CVS: If this change has been taken from another system,
* CVS: then name the system in this line, otherwise delete it.
* CVS: Submitted by:
* CVS: If this code has been contributed to the project by someone else; i.e.,
* CVS: they sent us a patch or a set of diffs, then include their name/email
* CVS: address here. If this is your work then delete this line.
* CVS: Reviewed by:
* CVS: If we are doing pre-commit code reviews and someone else has
* CVS: reviewed your changes, include their name(s) here.
* CVS: If you have not had it reviewed then delete this line.
*
* Revision 1.3 2006/06/19 06:47:26 mranga
* javadoc fixups
*
* Revision 1.2 2006/06/16 15:26:28 mranga
* Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
*
* Revision 1.1.1.1 2005/10/04 17:12:34 mranga
*
* Import
*
*
* Revision 1.2 2004/01/22 13:26:28 sverker
* Issue number:
* Obtained from:
* Submitted by: sverker
* Reviewed by: mranga
*
* Major reformat of code to conform with style guide. Resolved compiler and javadoc warnings. Added CVS tags.
*
* CVS: ----------------------------------------------------------------------
* CVS: Issue number:
* CVS: If this change addresses one or more issues,
* CVS: then enter the issue number(s) here.
* CVS: Obtained from:
* CVS: If this change has been taken from another system,
* CVS: then name the system in this line, otherwise delete it.
* CVS: Submitted by:
* CVS: If this code has been contributed to the project by someone else; i.e.,
* CVS: they sent us a patch or a set of diffs, then include their name/email
* CVS: address here. If this is your work then delete this line.
* CVS: Reviewed by:
* CVS: If we are doing pre-commit code reviews and someone else has
* CVS: reviewed your changes, include their name(s) here.
* CVS: If you have not had it reviewed then delete this line.
*
*/