java/gov/nist/javax/sip/parser/SubscriptionStateParser.java - platform/external/nist-sip - Git at Google

 /*
 * 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.sip.parser;

 import gov.nist.javax.sip.header.*;
 import gov.nist.core.*;
 import java.text.ParseException;
 import javax.sip.*;

 /**
  * Parser for SubscriptionState header.
  *
  * @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:58:05 $
  *
  * @author Olivier Deruelle
  * @author M. Ranganathan
  *
  */
 public class SubscriptionStateParser extends HeaderParser {

     /**
      * Creates a new instance of SubscriptionStateParser
      * @param subscriptionState the header to parse
      */
     public SubscriptionStateParser(String subscriptionState) {
         super(subscriptionState);
     }

     /**
      * Constructor
      * @param lexer the lexer to use to parse the header
      */
     protected SubscriptionStateParser(Lexer lexer) {
         super(lexer);
     }

     /**
      * parse the String message
      * @return SIPHeader (SubscriptionState  object)
      * @throws SIPParseException if the message does not respect the spec.
      */
     public SIPHeader parse() throws ParseException {

         if (debug)
             dbg_enter("SubscriptionStateParser.parse");

         SubscriptionState subscriptionState = new SubscriptionState();
         try {
             headerName(TokenTypes.SUBSCRIPTION_STATE);

             subscriptionState.setHeaderName(SIPHeaderNames.SUBSCRIPTION_STATE);

             // State:
             lexer.match(TokenTypes.ID);
             Token token = lexer.getNextToken();
             subscriptionState.setState(token.getTokenValue());

             while (lexer.lookAhead(0) == ';') {
                 this.lexer.match(';');
                 this.lexer.SPorHT();
                 lexer.match(TokenTypes.ID);
                 token = lexer.getNextToken();
                 String value = token.getTokenValue();
                 if (value.equalsIgnoreCase("reason")) {
                     this.lexer.match('=');
                     this.lexer.SPorHT();
                     lexer.match(TokenTypes.ID);
                     token = lexer.getNextToken();
                     value = token.getTokenValue();
                     subscriptionState.setReasonCode(value);
                 } else if (value.equalsIgnoreCase("expires")) {
                     this.lexer.match('=');
                     this.lexer.SPorHT();
                     lexer.match(TokenTypes.ID);
                     token = lexer.getNextToken();
                     value = token.getTokenValue();
                     try {
                         int expires = Integer.parseInt(value);
                         subscriptionState.setExpires(expires);
                     } catch (NumberFormatException ex) {
                         throw createParseException(ex.getMessage());
                     } catch (InvalidArgumentException ex) {
                         throw createParseException(ex.getMessage());
                     }
                 } else if (value.equalsIgnoreCase("retry-after")) {
                     this.lexer.match('=');
                     this.lexer.SPorHT();
                     lexer.match(TokenTypes.ID);
                     token = lexer.getNextToken();
                     value = token.getTokenValue();
                     try {
                         int retryAfter = Integer.parseInt(value);
                         subscriptionState.setRetryAfter(retryAfter);
                     } catch (NumberFormatException ex) {
                         throw createParseException(ex.getMessage());
                     } catch (InvalidArgumentException ex) {
                         throw createParseException(ex.getMessage());
                     }
                 } else {
                     this.lexer.match('=');
                     this.lexer.SPorHT();
                     lexer.match(TokenTypes.ID);
                     Token secondToken = lexer.getNextToken();
                     String secondValue = secondToken.getTokenValue();
                     subscriptionState.setParameter(value, secondValue);
                 }
                 this.lexer.SPorHT();
             }
         } finally {
             if (debug)
                 dbg_leave("SubscriptionStateParser.parse");
         }

         return subscriptionState;
     }

     /** Test program
     public static void main(String args[]) throws ParseException {
         String subscriptionState[] = {
             "Subscription-State: active \n",
             "Subscription-State: terminated;reason=rejected \n",
             "Subscription-State: pending;reason=probation;expires=36\n",
             "Subscription-State: pending;retry-after=10;expires=36\n",
             "Subscription-State: pending;generic=void\n"
         };

         for (int i = 0; i < subscriptionState.length; i++ ) {
             SubscriptionStateParser parser =
             new SubscriptionStateParser(subscriptionState[i]);
             SubscriptionState ss= (SubscriptionState) parser.parse();
             System.out.println("encoded = " + ss.encode());
         }
     }
      */
 }
 /*
  * $Log: SubscriptionStateParser.java,v $
  * Revision 1.7  2009/07/17 18:58:05  emcho
  * Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
  *
  * Revision 1.6  2006/07/13 09:02:25  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 06:47:27  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 17:12:36  mranga
  *
  * Import
  *
  *
  * Revision 1.4  2004/01/22 13:26:32  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.
  *
  */
	/*
	* 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.sip.parser;

	import gov.nist.javax.sip.header.*;
	import gov.nist.core.*;
	import java.text.ParseException;
	import javax.sip.*;

	/**
	* Parser for SubscriptionState header.
	*
	* @version 1.2 $Revision: 1.7 $ $Date: 2009/07/17 18:58:05 $
	*
	* @author Olivier Deruelle
	* @author M. Ranganathan
	*
	*/
	public class SubscriptionStateParser extends HeaderParser {

	/**
	* Creates a new instance of SubscriptionStateParser
	* @param subscriptionState the header to parse
	*/
	public SubscriptionStateParser(String subscriptionState) {
	super(subscriptionState);
	}

	/**
	* Constructor
	* @param lexer the lexer to use to parse the header
	*/
	protected SubscriptionStateParser(Lexer lexer) {
	super(lexer);
	}

	/**
	* parse the String message
	* @return SIPHeader (SubscriptionState object)
	* @throws SIPParseException if the message does not respect the spec.
	*/
	public SIPHeader parse() throws ParseException {

	if (debug)
	dbg_enter("SubscriptionStateParser.parse");

	SubscriptionState subscriptionState = new SubscriptionState();
	try {
	headerName(TokenTypes.SUBSCRIPTION_STATE);

	subscriptionState.setHeaderName(SIPHeaderNames.SUBSCRIPTION_STATE);

	// State:
	lexer.match(TokenTypes.ID);
	Token token = lexer.getNextToken();
	subscriptionState.setState(token.getTokenValue());

	while (lexer.lookAhead(0) == ';') {
	this.lexer.match(';');
	this.lexer.SPorHT();
	lexer.match(TokenTypes.ID);
	token = lexer.getNextToken();
	String value = token.getTokenValue();
	if (value.equalsIgnoreCase("reason")) {
	this.lexer.match('=');
	this.lexer.SPorHT();
	lexer.match(TokenTypes.ID);
	token = lexer.getNextToken();
	value = token.getTokenValue();
	subscriptionState.setReasonCode(value);
	} else if (value.equalsIgnoreCase("expires")) {
	this.lexer.match('=');
	this.lexer.SPorHT();
	lexer.match(TokenTypes.ID);
	token = lexer.getNextToken();
	value = token.getTokenValue();
	try {
	int expires = Integer.parseInt(value);
	subscriptionState.setExpires(expires);
	} catch (NumberFormatException ex) {
	throw createParseException(ex.getMessage());
	} catch (InvalidArgumentException ex) {
	throw createParseException(ex.getMessage());
	}
	} else if (value.equalsIgnoreCase("retry-after")) {
	this.lexer.match('=');
	this.lexer.SPorHT();
	lexer.match(TokenTypes.ID);
	token = lexer.getNextToken();
	value = token.getTokenValue();
	try {
	int retryAfter = Integer.parseInt(value);
	subscriptionState.setRetryAfter(retryAfter);
	} catch (NumberFormatException ex) {
	throw createParseException(ex.getMessage());
	} catch (InvalidArgumentException ex) {
	throw createParseException(ex.getMessage());
	}
	} else {
	this.lexer.match('=');
	this.lexer.SPorHT();
	lexer.match(TokenTypes.ID);
	Token secondToken = lexer.getNextToken();
	String secondValue = secondToken.getTokenValue();
	subscriptionState.setParameter(value, secondValue);
	}
	this.lexer.SPorHT();
	}
	} finally {
	if (debug)
	dbg_leave("SubscriptionStateParser.parse");
	}

	return subscriptionState;
	}

	/** Test program
	public static void main(String args[]) throws ParseException {
	String subscriptionState[] = {
	"Subscription-State: active \n",
	"Subscription-State: terminated;reason=rejected \n",
	"Subscription-State: pending;reason=probation;expires=36\n",
	"Subscription-State: pending;retry-after=10;expires=36\n",
	"Subscription-State: pending;generic=void\n"
	};

	for (int i = 0; i < subscriptionState.length; i++ ) {
	SubscriptionStateParser parser =
	new SubscriptionStateParser(subscriptionState[i]);
	SubscriptionState ss= (SubscriptionState) parser.parse();
	System.out.println("encoded = " + ss.encode());
	}
	}
	*/
	}
	/*
	* $Log: SubscriptionStateParser.java,v $
	* Revision 1.7 2009/07/17 18:58:05 emcho
	* Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
	*
	* Revision 1.6 2006/07/13 09:02:25 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 06:47:27 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 17:12:36 mranga
	*
	* Import
	*
	*
	* Revision 1.4 2004/01/22 13:26:32 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.
	*
	*/