/*
* 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.ParseException;
/** Parser for Repeat field.
*
*@version 1.2
*
*@author Olivier Deruelle
*@author M. Ranganathan <br/>
*
*
*
*/
public class RepeatFieldParser extends SDPParser {
/** Creates new RepeatFieldsParser */
public RepeatFieldParser(String repeatField) {
lexer = new Lexer("charLexer", repeatField);
}
/** Get the typed time.
*
* @param tokenValue to convert into a typed time.
* @return the typed time
*/
public TypedTime getTypedTime(String tokenValue) {
TypedTime typedTime = new TypedTime();
if (tokenValue.endsWith("d")) {
typedTime.setUnit("d");
String t = tokenValue.replace('d', ' ');
typedTime.setTime(Integer.parseInt(t.trim()));
} else if (tokenValue.endsWith("h")) {
typedTime.setUnit("h");
String t = tokenValue.replace('h', ' ');
typedTime.setTime(Integer.parseInt(t.trim()));
} else if (tokenValue.endsWith("m")) {
typedTime.setUnit("m");
String t = tokenValue.replace('m', ' ');
typedTime.setTime(Integer.parseInt(t.trim()));
} else {
typedTime.setUnit("s");
if (tokenValue.endsWith("s")) {
String t = tokenValue.replace('s', ' ');
typedTime.setTime(Integer.parseInt(t.trim()));
} else
typedTime.setTime(Integer.parseInt(tokenValue.trim()));
}
return typedTime;
}
/** parse the field string
* @return RepeatFields
*/
public RepeatField repeatField() throws ParseException {
try {
this.lexer.match('r');
this.lexer.SPorHT();
this.lexer.match('=');
this.lexer.SPorHT();
RepeatField repeatField = new RepeatField();
lexer.match(LexerCore.ID);
Token repeatInterval = lexer.getNextToken();
this.lexer.SPorHT();
TypedTime typedTime = getTypedTime(repeatInterval.getTokenValue());
repeatField.setRepeatInterval(typedTime);
lexer.match(LexerCore.ID);
Token activeDuration = lexer.getNextToken();
this.lexer.SPorHT();
typedTime = getTypedTime(activeDuration.getTokenValue());
repeatField.setActiveDuration(typedTime);
// The offsets list:
/*Patch 117 */
while (lexer.hasMoreChars()) {
char la = lexer.lookAhead(0);
if (la == '\n' || la == '\r')
break;
lexer.match(LexerCore.ID);
Token offsets = lexer.getNextToken();
this.lexer.SPorHT();
typedTime = getTypedTime(offsets.getTokenValue());
repeatField.addOffset(typedTime);
}
return repeatField;
} catch (Exception e) {
throw lexer.createParseException();
}
}
public SDPField parse() throws ParseException {
return this.repeatField();
}
/**
public static void main(String[] args) throws ParseException {
String repeat[] = {
"r=604800s 3600s 0s 90000s\n",
"r=7d 1h 0 25h\n",
"r=7 6 5 4 3 2 1 0 \n"
};
for (int i = 0; i < repeat.length; i++) {
RepeatFieldParser repeatFieldParser=new RepeatFieldParser(
repeat[i] );
RepeatField repeatFields=repeatFieldParser.repeatField();
System.out.println("toParse: " +repeat[i]);
System.out.println("encoded: " +repeatFields.encode());
}
}
**/
}
/*
* $Log: not supported by cvs2svn $
* Revision 1.6 2007/07/12 15:39:53 mranga
* Issue number: 117
* Obtained from:
* Submitted by: patrick_poglitsch (patrick_poglitsch)
* Reviewed by: mranga
*
* Revision 1.5 2006/08/23 00:00:22 mranga
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by: mranga
*
* javadoc fixups.
*
* 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 1.4 2006/07/13 09:02:39 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.
*
*/