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gov.nist.javax.sip.parser.Lexer Maven / Gradle / Ivy
/*
* 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.LexerCore;
import gov.nist.javax.sip.header.extensions.JoinHeader;
import gov.nist.javax.sip.header.extensions.MinSEHeader;
import gov.nist.javax.sip.header.extensions.ReferencesHeader;
import gov.nist.javax.sip.header.extensions.ReferredByHeader;
import gov.nist.javax.sip.header.extensions.ReplacesHeader;
import gov.nist.javax.sip.header.extensions.SessionExpiresHeader;
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 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;
/**
* Lexer class for the parser.
*
* @version 1.2
*
* @author M. Ranganathan [email protected]
*/
public static String getHeaderName(String line) {
if (line == null)
return null;
String headerName = null;
try {
int begin = line.indexOf(":");
headerName = null;
if (begin >= 1)
headerName = line.substring(0, begin).trim();
} catch (IndexOutOfBoundsException e) {
return null;
}
return headerName;
}
public Lexer(String lexerName, String buffer) {
super(lexerName, buffer);
this.selectLexer(lexerName);
}
/**
* get the header value of the line
*
* @return String
*/
public static String getHeaderValue(String line) {
if (line == null)
return null;
String headerValue = null;
try {
int begin = line.indexOf(":");
headerValue = line.substring(begin + 1);
} catch (IndexOutOfBoundsException e) {
return null;
}
return headerValue;
}
public void selectLexer(String lexerName) {
// Synchronization Bug fix by Robert Rosen.
ConcurrentHashMap lexer = lexerTables.get(lexerName);
this.currentLexerName = lexerName;
if (lexer == null) {
ConcurrentHashMap newLexer = new ConcurrentHashMap();
// Temporarily set newLexer as current, so addKeyword populate it
currentLexer = newLexer;
// addLexer(lexerName);
if (lexerName.equals("method_keywordLexer")) {
addKeyword(TokenNames.REGISTER, TokenTypes.REGISTER);
addKeyword(TokenNames.ACK, TokenTypes.ACK);
addKeyword(TokenNames.OPTIONS, TokenTypes.OPTIONS);
addKeyword(TokenNames.BYE, TokenTypes.BYE);
addKeyword(TokenNames.INVITE, TokenTypes.INVITE);
addKeyword(TokenNames.SIP, TokenTypes.SIP);
addKeyword(TokenNames.SIPS, TokenTypes.SIPS);
addKeyword(TokenNames.SUBSCRIBE, TokenTypes.SUBSCRIBE);
addKeyword(TokenNames.NOTIFY, TokenTypes.NOTIFY);
addKeyword(TokenNames.MESSAGE, TokenTypes.MESSAGE);
// JvB: added to support RFC3903
addKeyword(TokenNames.PUBLISH, TokenTypes.PUBLISH);
} else if (lexerName.equals("command_keywordLexer")) {
addKeyword(ErrorInfoHeader.NAME,
TokenTypes.ERROR_INFO);
addKeyword(AllowEventsHeader.NAME,
TokenTypes.ALLOW_EVENTS);
addKeyword(AuthenticationInfoHeader.NAME,
TokenTypes.AUTHENTICATION_INFO);
addKeyword(EventHeader.NAME, TokenTypes.EVENT);
addKeyword(MinExpiresHeader.NAME,
TokenTypes.MIN_EXPIRES);
addKeyword(RSeqHeader.NAME, TokenTypes.RSEQ);
addKeyword(RAckHeader.NAME, TokenTypes.RACK);
addKeyword(ReasonHeader.NAME,
TokenTypes.REASON);
addKeyword(ReplyToHeader.NAME,
TokenTypes.REPLY_TO);
addKeyword(SubscriptionStateHeader.NAME,
TokenTypes.SUBSCRIPTION_STATE);
addKeyword(TimeStampHeader.NAME,
TokenTypes.TIMESTAMP);
addKeyword(InReplyToHeader.NAME,
TokenTypes.IN_REPLY_TO);
addKeyword(MimeVersionHeader.NAME,
TokenTypes.MIME_VERSION);
addKeyword(AlertInfoHeader.NAME,
TokenTypes.ALERT_INFO);
addKeyword(FromHeader.NAME, TokenTypes.FROM);
addKeyword(ToHeader.NAME, TokenTypes.TO);
addKeyword(ReferToHeader.NAME,
TokenTypes.REFER_TO);
addKeyword(ViaHeader.NAME, TokenTypes.VIA);
addKeyword(UserAgentHeader.NAME,
TokenTypes.USER_AGENT);
addKeyword(ServerHeader.NAME,
TokenTypes.SERVER);
addKeyword(AcceptEncodingHeader.NAME,
TokenTypes.ACCEPT_ENCODING);
addKeyword(AcceptHeader.NAME,
TokenTypes.ACCEPT);
addKeyword(AllowHeader.NAME, TokenTypes.ALLOW);
addKeyword(RouteHeader.NAME, TokenTypes.ROUTE);
addKeyword(AuthorizationHeader.NAME,
TokenTypes.AUTHORIZATION);
addKeyword(ProxyAuthorizationHeader.NAME,
TokenTypes.PROXY_AUTHORIZATION);
addKeyword(RetryAfterHeader.NAME,
TokenTypes.RETRY_AFTER);
addKeyword(ProxyRequireHeader.NAME,
TokenTypes.PROXY_REQUIRE);
addKeyword(ContentLanguageHeader.NAME,
TokenTypes.CONTENT_LANGUAGE);
addKeyword(UnsupportedHeader.NAME,
TokenTypes.UNSUPPORTED);
addKeyword(SupportedHeader.NAME,
TokenTypes.SUPPORTED);
addKeyword(WarningHeader.NAME,
TokenTypes.WARNING);
addKeyword(MaxForwardsHeader.NAME,
TokenTypes.MAX_FORWARDS);
addKeyword(DateHeader.NAME, TokenTypes.DATE);
addKeyword(PriorityHeader.NAME,
TokenTypes.PRIORITY);
addKeyword(ProxyAuthenticateHeader.NAME,
TokenTypes.PROXY_AUTHENTICATE);
addKeyword(ContentEncodingHeader.NAME,
TokenTypes.CONTENT_ENCODING);
addKeyword(ContentLengthHeader.NAME,
TokenTypes.CONTENT_LENGTH);
addKeyword(SubjectHeader.NAME,
TokenTypes.SUBJECT);
addKeyword(ContentTypeHeader.NAME,
TokenTypes.CONTENT_TYPE);
addKeyword(ContactHeader.NAME,
TokenTypes.CONTACT);
addKeyword(CallIdHeader.NAME,
TokenTypes.CALL_ID);
addKeyword(RequireHeader.NAME,
TokenTypes.REQUIRE);
addKeyword(ExpiresHeader.NAME,
TokenTypes.EXPIRES);
addKeyword(RecordRouteHeader.NAME,
TokenTypes.RECORD_ROUTE);
addKeyword(OrganizationHeader.NAME,
TokenTypes.ORGANIZATION);
addKeyword(CSeqHeader.NAME, TokenTypes.CSEQ);
addKeyword(AcceptLanguageHeader.NAME,
TokenTypes.ACCEPT_LANGUAGE);
addKeyword(WWWAuthenticateHeader.NAME,
TokenTypes.WWW_AUTHENTICATE);
addKeyword(CallInfoHeader.NAME,
TokenTypes.CALL_INFO);
addKeyword(ContentDispositionHeader.NAME,
TokenTypes.CONTENT_DISPOSITION);
// And now the dreaded short forms....
addKeyword(TokenNames.K, TokenTypes.SUPPORTED);
addKeyword(TokenNames.C,
TokenTypes.CONTENT_TYPE);
addKeyword(TokenNames.E,
TokenTypes.CONTENT_ENCODING);
addKeyword(TokenNames.F, TokenTypes.FROM);
addKeyword(TokenNames.I, TokenTypes.CALL_ID);
addKeyword(TokenNames.M, TokenTypes.CONTACT);
addKeyword(TokenNames.L,
TokenTypes.CONTENT_LENGTH);
addKeyword(TokenNames.S, TokenTypes.SUBJECT);
addKeyword(TokenNames.T, TokenTypes.TO);
addKeyword(TokenNames.U,
TokenTypes.ALLOW_EVENTS); // JvB: added
addKeyword(TokenNames.V, TokenTypes.VIA);
addKeyword(TokenNames.R, TokenTypes.REFER_TO);
addKeyword(TokenNames.O, TokenTypes.EVENT); // Bug
// fix
// by
// Mario
// Mantak
addKeyword(TokenNames.X, TokenTypes.SESSIONEXPIRES_TO); // Bug fix by Jozef Saniga
// JvB: added to support RFC3903
addKeyword(SIPETagHeader.NAME,
TokenTypes.SIP_ETAG);
addKeyword(SIPIfMatchHeader.NAME,
TokenTypes.SIP_IF_MATCH);
// pmusgrave: Add RFC4028 and ReferredBy
addKeyword(SessionExpiresHeader.NAME,
TokenTypes.SESSIONEXPIRES_TO);
addKeyword(MinSEHeader.NAME,
TokenTypes.MINSE_TO);
addKeyword(ReferredByHeader.NAME,
TokenTypes.REFERREDBY_TO);
// pmusgrave RFC3891
addKeyword(ReplacesHeader.NAME,
TokenTypes.REPLACES_TO);
//jean deruelle RFC3911
addKeyword(JoinHeader.NAME,
TokenTypes.JOIN_TO);
// IMS Headers
addKeyword(PathHeader.NAME, TokenTypes.PATH);
addKeyword(ServiceRouteHeader.NAME,
TokenTypes.SERVICE_ROUTE);
addKeyword(PAssertedIdentityHeader.NAME,
TokenTypes.P_ASSERTED_IDENTITY);
addKeyword(PPreferredIdentityHeader.NAME,
TokenTypes.P_PREFERRED_IDENTITY);
addKeyword(PrivacyHeader.NAME,
TokenTypes.PRIVACY);
// issued by Miguel Freitas
addKeyword(PCalledPartyIDHeader.NAME,
TokenTypes.P_CALLED_PARTY_ID);
addKeyword(PAssociatedURIHeader.NAME,
TokenTypes.P_ASSOCIATED_URI);
addKeyword(PVisitedNetworkIDHeader.NAME,
TokenTypes.P_VISITED_NETWORK_ID);
addKeyword(PChargingFunctionAddressesHeader.NAME,
TokenTypes.P_CHARGING_FUNCTION_ADDRESSES);
addKeyword(PChargingVectorHeader.NAME,
TokenTypes.P_VECTOR_CHARGING);
addKeyword(PAccessNetworkInfoHeader.NAME,
TokenTypes.P_ACCESS_NETWORK_INFO);
addKeyword(PMediaAuthorizationHeader.NAME,
TokenTypes.P_MEDIA_AUTHORIZATION);
addKeyword(SecurityServerHeader.NAME,
TokenTypes.SECURITY_SERVER);
addKeyword(SecurityVerifyHeader.NAME,
TokenTypes.SECURITY_VERIFY);
addKeyword(SecurityClientHeader.NAME,
TokenTypes.SECURITY_CLIENT);
// added by aayush@rancore
addKeyword(PUserDatabaseHeader.NAME,
TokenTypes.P_USER_DATABASE);
// added by aayush@rancore
addKeyword(PProfileKeyHeader.NAME,
TokenTypes.P_PROFILE_KEY);
// added by aayush@rancore
addKeyword(PServedUserHeader.NAME,
TokenTypes.P_SERVED_USER);
// added by aayush@rancore
addKeyword(PPreferredServiceHeader.NAME,
TokenTypes.P_PREFERRED_SERVICE);
// added by aayush@rancore
addKeyword(PAssertedServiceHeader.NAME,
TokenTypes.P_ASSERTED_SERVICE);
// added References header
addKeyword(ReferencesHeader.NAME,TokenTypes.REFERENCES);
// end //
} else if (lexerName.equals("status_lineLexer")) {
addKeyword(TokenNames.SIP, TokenTypes.SIP);
} else if (lexerName.equals("request_lineLexer")) {
addKeyword(TokenNames.SIP, TokenTypes.SIP);
} else if (lexerName.equals("sip_urlLexer")) {
addKeyword(TokenNames.TEL, TokenTypes.TEL);
addKeyword(TokenNames.SIP, TokenTypes.SIP);
addKeyword(TokenNames.SIPS, TokenTypes.SIPS);
}
// Now newLexer is completely initialized, let's check if somebody
// have put lexer in table
lexer = lexerTables.putIfAbsent(lexerName, newLexer);
if (lexer == null) {
// put succeeded, use new value
lexer = newLexer;
}
currentLexer = lexer;
} else {
currentLexer = lexer;
}
}
}
