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/*
* 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.core.InternalErrorHandler;
import gov.nist.javax.sip.header.SIPHeaderNamesCache;
import gov.nist.javax.sip.header.extensions.Join;
import gov.nist.javax.sip.header.extensions.MinSE;
import gov.nist.javax.sip.header.extensions.References;
import gov.nist.javax.sip.header.extensions.ReferredBy;
import gov.nist.javax.sip.header.extensions.Replaces;
import gov.nist.javax.sip.header.extensions.SessionExpires;
import gov.nist.javax.sip.header.ims.PAccessNetworkInfoHeader;
import gov.nist.javax.sip.header.ims.PAssertedIdentityHeader;
import gov.nist.javax.sip.header.ims.PAssertedServiceHeader;
import gov.nist.javax.sip.header.ims.PAssociatedURIHeader;
import gov.nist.javax.sip.header.ims.PCalledPartyIDHeader;
import gov.nist.javax.sip.header.ims.PChargingFunctionAddressesHeader;
import gov.nist.javax.sip.header.ims.PChargingVectorHeader;
import gov.nist.javax.sip.header.ims.PMediaAuthorizationHeader;
import gov.nist.javax.sip.header.ims.PPreferredIdentityHeader;
import gov.nist.javax.sip.header.ims.PPreferredServiceHeader;
import gov.nist.javax.sip.header.ims.PProfileKeyHeader;
import gov.nist.javax.sip.header.ims.PServedUserHeader;
import gov.nist.javax.sip.header.ims.PUserDatabaseHeader;
import gov.nist.javax.sip.header.ims.PVisitedNetworkIDHeader;
import gov.nist.javax.sip.header.ims.PathHeader;
import gov.nist.javax.sip.header.ims.PrivacyHeader;
import gov.nist.javax.sip.header.ims.SecurityClientHeader;
import gov.nist.javax.sip.header.ims.SecurityServerHeader;
import gov.nist.javax.sip.header.ims.SecurityVerifyHeader;
import gov.nist.javax.sip.header.ims.ServiceRouteHeader;
import gov.nist.javax.sip.parser.extensions.JoinParser;
import gov.nist.javax.sip.parser.extensions.MinSEParser;
import gov.nist.javax.sip.parser.extensions.ReferencesParser;
import gov.nist.javax.sip.parser.extensions.ReferredByParser;
import gov.nist.javax.sip.parser.extensions.ReplacesParser;
import gov.nist.javax.sip.parser.extensions.SessionExpiresParser;
import gov.nist.javax.sip.parser.ims.PAccessNetworkInfoParser;
import gov.nist.javax.sip.parser.ims.PAssertedIdentityParser;
import gov.nist.javax.sip.parser.ims.PAssertedServiceParser;
import gov.nist.javax.sip.parser.ims.PAssociatedURIParser;
import gov.nist.javax.sip.parser.ims.PCalledPartyIDParser;
import gov.nist.javax.sip.parser.ims.PChargingFunctionAddressesParser;
import gov.nist.javax.sip.parser.ims.PChargingVectorParser;
import gov.nist.javax.sip.parser.ims.PMediaAuthorizationParser;
import gov.nist.javax.sip.parser.ims.PPreferredIdentityParser;
import gov.nist.javax.sip.parser.ims.PPreferredServiceParser;
import gov.nist.javax.sip.parser.ims.PProfileKeyParser;
import gov.nist.javax.sip.parser.ims.PServedUserParser;
import gov.nist.javax.sip.parser.ims.PUserDatabaseParser;
import gov.nist.javax.sip.parser.ims.PVisitedNetworkIDParser;
import gov.nist.javax.sip.parser.ims.PathParser;
import gov.nist.javax.sip.parser.ims.PrivacyParser;
import gov.nist.javax.sip.parser.ims.SecurityClientParser;
import gov.nist.javax.sip.parser.ims.SecurityServerParser;
import gov.nist.javax.sip.parser.ims.SecurityVerifyParser;
import gov.nist.javax.sip.parser.ims.ServiceRouteParser;
import java.lang.reflect.Constructor;
import java.text.ParseException;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import javax.sip.header.AcceptEncodingHeader;
import javax.sip.header.AcceptHeader;
import javax.sip.header.AcceptLanguageHeader;
import javax.sip.header.AlertInfoHeader;
import javax.sip.header.AllowEventsHeader;
import javax.sip.header.AllowHeader;
import javax.sip.header.AuthenticationInfoHeader;
import javax.sip.header.AuthorizationHeader;
import javax.sip.header.CSeqHeader;
import javax.sip.header.CallIdHeader;
import javax.sip.header.CallInfoHeader;
import javax.sip.header.ContactHeader;
import javax.sip.header.ContentDispositionHeader;
import javax.sip.header.ContentEncodingHeader;
import javax.sip.header.ContentLanguageHeader;
import javax.sip.header.ContentLengthHeader;
import javax.sip.header.ContentTypeHeader;
import javax.sip.header.DateHeader;
import javax.sip.header.ErrorInfoHeader;
import javax.sip.header.EventHeader;
import javax.sip.header.ExpiresHeader;
import javax.sip.header.FromHeader;
import javax.sip.header.InReplyToHeader;
import javax.sip.header.MaxForwardsHeader;
import javax.sip.header.MimeVersionHeader;
import javax.sip.header.MinExpiresHeader;
import javax.sip.header.OrganizationHeader;
import javax.sip.header.PriorityHeader;
import javax.sip.header.ProxyAuthenticateHeader;
import javax.sip.header.ProxyAuthorizationHeader;
import javax.sip.header.ProxyRequireHeader;
import javax.sip.header.RAckHeader;
import javax.sip.header.RSeqHeader;
import javax.sip.header.ReasonHeader;
import javax.sip.header.RecordRouteHeader;
import javax.sip.header.ReferToHeader;
import javax.sip.header.ReplyToHeader;
import javax.sip.header.RequireHeader;
import javax.sip.header.RetryAfterHeader;
import javax.sip.header.RouteHeader;
import javax.sip.header.SIPETagHeader;
import javax.sip.header.SIPIfMatchHeader;
import javax.sip.header.ServerHeader;
import javax.sip.header.SubjectHeader;
import javax.sip.header.SubscriptionStateHeader;
import javax.sip.header.SupportedHeader;
import javax.sip.header.TimeStampHeader;
import javax.sip.header.ToHeader;
import javax.sip.header.UnsupportedHeader;
import javax.sip.header.UserAgentHeader;
import javax.sip.header.ViaHeader;
import javax.sip.header.WWWAuthenticateHeader;
import javax.sip.header.WarningHeader;
/**
* A factory class that does a name lookup on a registered parser and
* returns a header parser for the given name.
*
* @version 1.2 $Revision: 1.18 $ $Date: 2010-05-06 14:07:44 $
*
* @author M. Ranganathan
*
*
*
*/
public class ParserFactory {
//jeand : moving to concurrent structures to avoid blocking witnessed during profiling
private static Map> parserTable;
private static Class[] constructorArgs;
private static ConcurrentHashMap parserConstructorCache;
static {
parserTable = new ConcurrentHashMap>(90);
parserConstructorCache = new ConcurrentHashMap();
constructorArgs = new Class[1];
constructorArgs[0] = String.class;
parserTable.put(ReplyToHeader.NAME.toLowerCase(), ReplyToParser.class);
parserTable.put(
InReplyToHeader.NAME.toLowerCase(),
InReplyToParser.class);
parserTable.put(
AcceptEncodingHeader.NAME.toLowerCase(),
AcceptEncodingParser.class);
parserTable.put(
AcceptLanguageHeader.NAME.toLowerCase(),
AcceptLanguageParser.class);
parserTable.put("t", ToParser.class);
parserTable.put(ToHeader.NAME.toLowerCase(), ToParser.class);
parserTable.put(FromHeader.NAME.toLowerCase(), FromParser.class);
parserTable.put("f", FromParser.class);
parserTable.put(CSeqHeader.NAME.toLowerCase(), CSeqParser.class);
parserTable.put(ViaHeader.NAME.toLowerCase(), ViaParser.class);
parserTable.put("v", ViaParser.class);
parserTable.put(ContactHeader.NAME.toLowerCase(), ContactParser.class);
parserTable.put("m", ContactParser.class);
parserTable.put(
ContentTypeHeader.NAME.toLowerCase(),
ContentTypeParser.class);
parserTable.put("c", ContentTypeParser.class);
parserTable.put(
ContentLengthHeader.NAME.toLowerCase(),
ContentLengthParser.class);
parserTable.put("l", ContentLengthParser.class);
parserTable.put(
AuthorizationHeader.NAME.toLowerCase(),
AuthorizationParser.class);
parserTable.put(
WWWAuthenticateHeader.NAME.toLowerCase(),
WWWAuthenticateParser.class);
parserTable.put(CallIdHeader.NAME.toLowerCase(), CallIDParser.class);
parserTable.put("i", CallIDParser.class);
parserTable.put(RouteHeader.NAME.toLowerCase(), RouteParser.class);
parserTable.put(
RecordRouteHeader.NAME.toLowerCase(),
RecordRouteParser.class);
parserTable.put(DateHeader.NAME.toLowerCase(), DateParser.class);
parserTable.put(
ProxyAuthorizationHeader.NAME.toLowerCase(),
ProxyAuthorizationParser.class);
parserTable.put(
ProxyAuthenticateHeader.NAME.toLowerCase(),
ProxyAuthenticateParser.class);
parserTable.put(
RetryAfterHeader.NAME.toLowerCase(),
RetryAfterParser.class);
parserTable.put(RequireHeader.NAME.toLowerCase(), RequireParser.class);
parserTable.put(
ProxyRequireHeader.NAME.toLowerCase(),
ProxyRequireParser.class);
parserTable.put(
TimeStampHeader.NAME.toLowerCase(),
TimeStampParser.class);
parserTable.put(
UnsupportedHeader.NAME.toLowerCase(),
UnsupportedParser.class);
parserTable.put(
UserAgentHeader.NAME.toLowerCase(),
UserAgentParser.class);
parserTable.put(
SupportedHeader.NAME.toLowerCase(),
SupportedParser.class);
// bug fix by Steve Crosley
parserTable.put("k", SupportedParser.class);
parserTable.put(ServerHeader.NAME.toLowerCase(), ServerParser.class);
parserTable.put(SubjectHeader.NAME.toLowerCase(), SubjectParser.class);
parserTable.put( "s", SubjectParser.class); // JvB: added
parserTable.put(
SubscriptionStateHeader.NAME.toLowerCase(),
SubscriptionStateParser.class);
parserTable.put(
MaxForwardsHeader.NAME.toLowerCase(),
MaxForwardsParser.class);
parserTable.put(
MimeVersionHeader.NAME.toLowerCase(),
MimeVersionParser.class);
parserTable.put(
MinExpiresHeader.NAME.toLowerCase(),
MinExpiresParser.class);
parserTable.put(
OrganizationHeader.NAME.toLowerCase(),
OrganizationParser.class);
parserTable.put(
PriorityHeader.NAME.toLowerCase(),
PriorityParser.class);
parserTable.put(RAckHeader.NAME.toLowerCase(), RAckParser.class);
parserTable.put(RSeqHeader.NAME.toLowerCase(), RSeqParser.class);
parserTable.put(ReasonHeader.NAME.toLowerCase(), ReasonParser.class);
parserTable.put(WarningHeader.NAME.toLowerCase(), WarningParser.class);
parserTable.put(ExpiresHeader.NAME.toLowerCase(), ExpiresParser.class);
parserTable.put(EventHeader.NAME.toLowerCase(), EventParser.class);
parserTable.put("o", EventParser.class);
parserTable.put(
ErrorInfoHeader.NAME.toLowerCase(),
ErrorInfoParser.class);
parserTable.put(
ContentLanguageHeader.NAME.toLowerCase(),
ContentLanguageParser.class);
parserTable.put(
ContentEncodingHeader.NAME.toLowerCase(),
ContentEncodingParser.class);
parserTable.put("e", ContentEncodingParser.class);
parserTable.put(
ContentDispositionHeader.NAME.toLowerCase(),
ContentDispositionParser.class);
parserTable.put(
CallInfoHeader.NAME.toLowerCase(),
CallInfoParser.class);
parserTable.put(
AuthenticationInfoHeader.NAME.toLowerCase(),
AuthenticationInfoParser.class);
parserTable.put(AllowHeader.NAME.toLowerCase(), AllowParser.class);
parserTable.put(
AllowEventsHeader.NAME.toLowerCase(),
AllowEventsParser.class);
parserTable.put("u", AllowEventsParser.class);
parserTable.put(
AlertInfoHeader.NAME.toLowerCase(),
AlertInfoParser.class);
parserTable.put(AcceptHeader.NAME.toLowerCase(), AcceptParser.class);
parserTable.put(ReferToHeader.NAME.toLowerCase(), ReferToParser.class);
// Was missing (bug noticed by Steve Crossley)
parserTable.put("r", ReferToParser.class);
// JvB: added to support RFC3903 PUBLISH
parserTable.put(SIPETagHeader.NAME.toLowerCase(), SIPETagParser.class);
parserTable.put(SIPIfMatchHeader.NAME.toLowerCase(), SIPIfMatchParser.class);
//IMS headers
parserTable.put(PAccessNetworkInfoHeader.NAME.toLowerCase(), PAccessNetworkInfoParser.class);
parserTable.put(PAssertedIdentityHeader.NAME.toLowerCase(), PAssertedIdentityParser.class);
parserTable.put(PPreferredIdentityHeader.NAME.toLowerCase(), PPreferredIdentityParser.class);
parserTable.put(PChargingVectorHeader.NAME.toLowerCase(), PChargingVectorParser.class);
parserTable.put(PChargingFunctionAddressesHeader.NAME.toLowerCase(), PChargingFunctionAddressesParser.class);
parserTable.put(PMediaAuthorizationHeader.NAME.toLowerCase(), PMediaAuthorizationParser.class);
parserTable.put(PathHeader.NAME.toLowerCase(), PathParser.class);
parserTable.put(PrivacyHeader.NAME.toLowerCase(), PrivacyParser.class);
parserTable.put(ServiceRouteHeader.NAME.toLowerCase(), ServiceRouteParser.class);
parserTable.put(PVisitedNetworkIDHeader.NAME.toLowerCase(), PVisitedNetworkIDParser.class);
// added for more P-header extensions for IMS :
parserTable.put(PServedUserHeader.NAME.toLowerCase(), PServedUserParser.class);
parserTable.put(PPreferredServiceHeader.NAME.toLowerCase(), PPreferredServiceParser.class);
parserTable.put(PAssertedServiceHeader.NAME.toLowerCase(), PAssertedServiceParser.class);
parserTable.put(PProfileKeyHeader.NAME.toLowerCase(), PProfileKeyParser.class);
parserTable.put(PUserDatabaseHeader.NAME.toLowerCase(), PUserDatabaseParser.class);
parserTable.put(PAssociatedURIHeader.NAME.toLowerCase(), PAssociatedURIParser.class);
parserTable.put(PCalledPartyIDHeader.NAME.toLowerCase(), PCalledPartyIDParser.class);
parserTable.put(SecurityServerHeader.NAME.toLowerCase(), SecurityServerParser.class);
parserTable.put(SecurityClientHeader.NAME.toLowerCase(), SecurityClientParser.class);
parserTable.put(SecurityVerifyHeader.NAME.toLowerCase(), SecurityVerifyParser.class);
// Per RFC 3892 (pmusgrave)
parserTable.put(ReferredBy.NAME.toLowerCase(), ReferredByParser.class);
parserTable.put("b", ReferToParser.class);
// Per RFC4028 Session Timers (pmusgrave)
parserTable.put(SessionExpires.NAME.toLowerCase(), SessionExpiresParser.class);
parserTable.put("x", SessionExpiresParser.class);
parserTable.put(MinSE.NAME.toLowerCase(), MinSEParser.class);
// (RFC4028 does not give a short form header for MinSE)
// Per RFC3891 (pmusgrave)
parserTable.put(Replaces.NAME.toLowerCase(), ReplacesParser.class);
// Per RFC3911 (jean deruelle)
parserTable.put(Join.NAME.toLowerCase(), JoinParser.class);
//http://tools.ietf.org/html/draft-worley-references-05
parserTable.put(References.NAME.toLowerCase(), ReferencesParser.class);
}
/**
* This method is added to support parser extensibility.
*/
public static void addToParserTable(String headerName, Class parserClass) {
parserTable.put(headerName.toLowerCase(), parserClass);
}
/**
* create a parser for a header. This is the parser factory.
*/
public static HeaderParser createParser(String line)
throws ParseException {
String headerName = Lexer.getHeaderName(line);
String headerValue = Lexer.getHeaderValue(line);
if (headerName == null || headerValue == null)
throw new ParseException("The header name or value is null", 0);
Class parserClass = (Class) parserTable.get(SIPHeaderNamesCache.toLowerCase(headerName));
if (parserClass != null) {
try {
Constructor cons = (Constructor) parserConstructorCache.get(parserClass);
if (cons == null) {
cons = parserClass.getConstructor(constructorArgs);
parserConstructorCache.putIfAbsent(parserClass, cons);
}
Object[] args = new Object[1];
args[0] = line;
HeaderParser retval = (HeaderParser) cons.newInstance(args);
return retval;
} catch (Exception ex) {
InternalErrorHandler.handleException(ex);
return null; // to placate the compiler.
}
} else {
// Just generate a generic SIPHeader. We define
// parsers only for the above.
return new HeaderParser(line);
}
}
}
/*
* $Log: not supported by cvs2svn $
* Revision 1.17 2010/01/12 00:05:25 mranga
* Add support for References header draft-worley-references-05
*
* Revision 1.16 2009/07/17 18:58:01 emcho
* Converts indentation tabs to spaces so that we have a uniform indentation policy in the whole project.
*
* Revision 1.15 2009/01/22 19:33:48 deruelle_jean
* Add support for JOIN (RFC 3911)
* Issue number: 186
* Obtained from:
* Submitted by: Jean Deruelle
* Reviewed by: Ranga, The high priest and grand poobah of Jain-SIP
*
* Revision 1.14 2007/03/07 14:29:46 belangery
* Yet another bunch of improvements in the parsing code.
*
* Revision 1.13 2007/02/23 14:56:06 belangery
* Added performance improvement around header name lowercase conversion.
*
* Revision 1.12 2007/01/08 19:24:21 mranga
* Issue number:
* Obtained from:
* Submitted by: Miguel Freitas
* Reviewed by: mranga
*
* Miguel -- please implement a deep clone method for the IMS headers.
*
* 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 1.11 2006/10/12 11:57:54 pmusgrave
* Issue number: 79, 80
* Submitted by: [email protected]
* Reviewed by: mranga
*
* Revision 1.10 2006/09/29 19:40:50 jbemmel
* fixed missing IMS header parsing plumbing
*
* Revision 1.9 2006/09/11 18:41:32 mranga
* Issue number:
* Obtained from:
* Submitted by: mranga
* Reviewed by:
* Tighter integration of IMS headers.
* 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 1.8 2006/08/15 21:44:50 mranga
* Issue number:
* Obtained from:
* Submitted by: mranga
* Reviewed by: mranga
* Incorporating the latest API changes from Phelim
* 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 1.7 2006/07/13 09:02:06 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 1.5 2006/06/19 06:47:27 mranga
* javadoc fixups
*
* Revision 1.4 2006/06/16 15:26:28 mranga
* Added NIST disclaimer to all public domain files. Clean up some javadoc. Fixed a leak
*
* Revision 1.3 2005/10/27 20:49:00 jeroen
* added support for RFC3903 PUBLISH
*
* Revision 1.2 2005/10/14 19:59:00 jeroen
* bugfix: missing parser for shortform of Subject (s)
*
* Revision 1.1.1.1 2005/10/04 17:12:35 mranga
*
* Import
*
*
* Revision 1.4 2005/04/04 09:29:03 dmuresan
* Replaced new String().getClass() with String.class.
*
* Revision 1.3 2004/01/22 13:26:31 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.
*
*/
