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gov.nist.javax.sip.parser.chars.Lexer Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package gov.nist.javax.sip.parser.chars;
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
*
*
*/
public class Lexer extends LexerCore {
/**
* get the header name of the line
*
* @return the header name (stuff before the :) bug fix submitted by
* [email protected]
*/
public static String getHeaderName(char[] line) {
if (line == null)
return null;
String headerName = null;
try {
int begin = indexOf(line, ':');
headerName = null;
if (begin >= 1)
headerName = String.valueOf(line, 0, begin).trim();
} catch (IndexOutOfBoundsException e) {
return null;
}
return headerName;
}
public static int indexOf(char[] buffer, char charToCompare) {
int i = 0;
while(i < buffer.length) {
if(buffer[i] == charToCompare) {
return i;
}
i++;
}
return -1;
}
public Lexer(String lexerName, char[] buffer) {
super(lexerName, buffer);
this.selectLexer(lexerName);
}
/**
* get the header value of the line
*
* @return String
*/
public static String getHeaderValue(char[] line) {
if (line == null)
return null;
String headerValue = null;
try {
int begin = indexOf(line, ':');
headerValue = String.valueOf(line, begin + 1, line.length - 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();
lexer = lexerTables.putIfAbsent(lexerName, newLexer);
if (lexer == null) {
// put succeeded, use new value
lexer = newLexer;
}
currentLexer = lexer;
// 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.toUpperCase(), TokenTypes.SIP);
addKeyword(TokenNames.SIPS.toUpperCase(), 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.toUpperCase(),
TokenTypes.ERROR_INFO);
addKeyword(AllowEventsHeader.NAME.toUpperCase(),
TokenTypes.ALLOW_EVENTS);
addKeyword(AuthenticationInfoHeader.NAME.toUpperCase(),
TokenTypes.AUTHENTICATION_INFO);
addKeyword(EventHeader.NAME.toUpperCase(), TokenTypes.EVENT);
addKeyword(MinExpiresHeader.NAME.toUpperCase(),
TokenTypes.MIN_EXPIRES);
addKeyword(RSeqHeader.NAME.toUpperCase(), TokenTypes.RSEQ);
addKeyword(RAckHeader.NAME.toUpperCase(), TokenTypes.RACK);
addKeyword(ReasonHeader.NAME.toUpperCase(),
TokenTypes.REASON);
addKeyword(ReplyToHeader.NAME.toUpperCase(),
TokenTypes.REPLY_TO);
addKeyword(SubscriptionStateHeader.NAME.toUpperCase(),
TokenTypes.SUBSCRIPTION_STATE);
addKeyword(TimeStampHeader.NAME.toUpperCase(),
TokenTypes.TIMESTAMP);
addKeyword(InReplyToHeader.NAME.toUpperCase(),
TokenTypes.IN_REPLY_TO);
addKeyword(MimeVersionHeader.NAME.toUpperCase(),
TokenTypes.MIME_VERSION);
addKeyword(AlertInfoHeader.NAME.toUpperCase(),
TokenTypes.ALERT_INFO);
addKeyword(FromHeader.NAME.toUpperCase(), TokenTypes.FROM);
addKeyword(ToHeader.NAME.toUpperCase(), TokenTypes.TO);
addKeyword(ReferToHeader.NAME.toUpperCase(),
TokenTypes.REFER_TO);
addKeyword(ViaHeader.NAME.toUpperCase(), TokenTypes.VIA);
addKeyword(UserAgentHeader.NAME.toUpperCase(),
TokenTypes.USER_AGENT);
addKeyword(ServerHeader.NAME.toUpperCase(),
TokenTypes.SERVER);
addKeyword(AcceptEncodingHeader.NAME.toUpperCase(),
TokenTypes.ACCEPT_ENCODING);
addKeyword(AcceptHeader.NAME.toUpperCase(),
TokenTypes.ACCEPT);
addKeyword(AllowHeader.NAME.toUpperCase(), TokenTypes.ALLOW);
addKeyword(RouteHeader.NAME.toUpperCase(), TokenTypes.ROUTE);
addKeyword(AuthorizationHeader.NAME.toUpperCase(),
TokenTypes.AUTHORIZATION);
addKeyword(ProxyAuthorizationHeader.NAME.toUpperCase(),
TokenTypes.PROXY_AUTHORIZATION);
addKeyword(RetryAfterHeader.NAME.toUpperCase(),
TokenTypes.RETRY_AFTER);
addKeyword(ProxyRequireHeader.NAME.toUpperCase(),
TokenTypes.PROXY_REQUIRE);
addKeyword(ContentLanguageHeader.NAME.toUpperCase(),
TokenTypes.CONTENT_LANGUAGE);
addKeyword(UnsupportedHeader.NAME.toUpperCase(),
TokenTypes.UNSUPPORTED);
addKeyword(SupportedHeader.NAME.toUpperCase(),
TokenTypes.SUPPORTED);
addKeyword(WarningHeader.NAME.toUpperCase(),
TokenTypes.WARNING);
addKeyword(MaxForwardsHeader.NAME.toUpperCase(),
TokenTypes.MAX_FORWARDS);
addKeyword(DateHeader.NAME.toUpperCase(), TokenTypes.DATE);
addKeyword(PriorityHeader.NAME.toUpperCase(),
TokenTypes.PRIORITY);
addKeyword(ProxyAuthenticateHeader.NAME.toUpperCase(),
TokenTypes.PROXY_AUTHENTICATE);
addKeyword(ContentEncodingHeader.NAME.toUpperCase(),
TokenTypes.CONTENT_ENCODING);
addKeyword(ContentLengthHeader.NAME.toUpperCase(),
TokenTypes.CONTENT_LENGTH);
addKeyword(SubjectHeader.NAME.toUpperCase(),
TokenTypes.SUBJECT);
addKeyword(ContentTypeHeader.NAME.toUpperCase(),
TokenTypes.CONTENT_TYPE);
addKeyword(ContactHeader.NAME.toUpperCase(),
TokenTypes.CONTACT);
addKeyword(CallIdHeader.NAME.toUpperCase(),
TokenTypes.CALL_ID);
addKeyword(RequireHeader.NAME.toUpperCase(),
TokenTypes.REQUIRE);
addKeyword(ExpiresHeader.NAME.toUpperCase(),
TokenTypes.EXPIRES);
addKeyword(RecordRouteHeader.NAME.toUpperCase(),
TokenTypes.RECORD_ROUTE);
addKeyword(OrganizationHeader.NAME.toUpperCase(),
TokenTypes.ORGANIZATION);
addKeyword(CSeqHeader.NAME.toUpperCase(), TokenTypes.CSEQ);
addKeyword(AcceptLanguageHeader.NAME.toUpperCase(),
TokenTypes.ACCEPT_LANGUAGE);
addKeyword(WWWAuthenticateHeader.NAME.toUpperCase(),
TokenTypes.WWW_AUTHENTICATE);
addKeyword(CallInfoHeader.NAME.toUpperCase(),
TokenTypes.CALL_INFO);
addKeyword(ContentDispositionHeader.NAME.toUpperCase(),
TokenTypes.CONTENT_DISPOSITION);
// And now the dreaded short forms....
addKeyword(TokenNames.K.toUpperCase(), TokenTypes.SUPPORTED);
addKeyword(TokenNames.C.toUpperCase(),
TokenTypes.CONTENT_TYPE);
addKeyword(TokenNames.E.toUpperCase(),
TokenTypes.CONTENT_ENCODING);
addKeyword(TokenNames.F.toUpperCase(), TokenTypes.FROM);
addKeyword(TokenNames.I.toUpperCase(), TokenTypes.CALL_ID);
addKeyword(TokenNames.M.toUpperCase(), TokenTypes.CONTACT);
addKeyword(TokenNames.L.toUpperCase(),
TokenTypes.CONTENT_LENGTH);
addKeyword(TokenNames.S.toUpperCase(), TokenTypes.SUBJECT);
addKeyword(TokenNames.T.toUpperCase(), TokenTypes.TO);
addKeyword(TokenNames.U.toUpperCase(),
TokenTypes.ALLOW_EVENTS); // JvB: added
addKeyword(TokenNames.V.toUpperCase(), TokenTypes.VIA);
addKeyword(TokenNames.R.toUpperCase(), TokenTypes.REFER_TO);
addKeyword(TokenNames.O.toUpperCase(), TokenTypes.EVENT); // Bug
// fix
// by
// Mario
// Mantak
addKeyword(TokenNames.X.toUpperCase(), TokenTypes.SESSIONEXPIRES_TO); // Bug fix by Jozef Saniga
// JvB: added to support RFC3903
addKeyword(SIPETagHeader.NAME.toUpperCase(),
TokenTypes.SIP_ETAG);
addKeyword(SIPIfMatchHeader.NAME.toUpperCase(),
TokenTypes.SIP_IF_MATCH);
// pmusgrave: Add RFC4028 and ReferredBy
addKeyword(SessionExpiresHeader.NAME.toUpperCase(),
TokenTypes.SESSIONEXPIRES_TO);
addKeyword(MinSEHeader.NAME.toUpperCase(),
TokenTypes.MINSE_TO);
addKeyword(ReferredByHeader.NAME.toUpperCase(),
TokenTypes.REFERREDBY_TO);
// pmusgrave RFC3891
addKeyword(ReplacesHeader.NAME.toUpperCase(),
TokenTypes.REPLACES_TO);
//jean deruelle RFC3911
addKeyword(JoinHeader.NAME.toUpperCase(),
TokenTypes.JOIN_TO);
// IMS Headers
addKeyword(PathHeader.NAME.toUpperCase(), TokenTypes.PATH);
addKeyword(ServiceRouteHeader.NAME.toUpperCase(),
TokenTypes.SERVICE_ROUTE);
addKeyword(PAssertedIdentityHeader.NAME.toUpperCase(),
TokenTypes.P_ASSERTED_IDENTITY);
addKeyword(PPreferredIdentityHeader.NAME.toUpperCase(),
TokenTypes.P_PREFERRED_IDENTITY);
addKeyword(PrivacyHeader.NAME.toUpperCase(),
TokenTypes.PRIVACY);
// issued by Miguel Freitas
addKeyword(PCalledPartyIDHeader.NAME.toUpperCase(),
TokenTypes.P_CALLED_PARTY_ID);
addKeyword(PAssociatedURIHeader.NAME.toUpperCase(),
TokenTypes.P_ASSOCIATED_URI);
addKeyword(PVisitedNetworkIDHeader.NAME.toUpperCase(),
TokenTypes.P_VISITED_NETWORK_ID);
addKeyword(PChargingFunctionAddressesHeader.NAME
.toUpperCase(),
TokenTypes.P_CHARGING_FUNCTION_ADDRESSES);
addKeyword(PChargingVectorHeader.NAME.toUpperCase(),
TokenTypes.P_VECTOR_CHARGING);
addKeyword(PAccessNetworkInfoHeader.NAME.toUpperCase(),
TokenTypes.P_ACCESS_NETWORK_INFO);
addKeyword(PMediaAuthorizationHeader.NAME.toUpperCase(),
TokenTypes.P_MEDIA_AUTHORIZATION);
addKeyword(SecurityServerHeader.NAME.toUpperCase(),
TokenTypes.SECURITY_SERVER);
addKeyword(SecurityVerifyHeader.NAME.toUpperCase(),
TokenTypes.SECURITY_VERIFY);
addKeyword(SecurityClientHeader.NAME.toUpperCase(),
TokenTypes.SECURITY_CLIENT);
// added by aayush@rancore
addKeyword(PUserDatabaseHeader.NAME.toUpperCase(),
TokenTypes.P_USER_DATABASE);
// added by aayush@rancore
addKeyword(PProfileKeyHeader.NAME.toUpperCase(),
TokenTypes.P_PROFILE_KEY);
// added by aayush@rancore
addKeyword(PServedUserHeader.NAME.toUpperCase(),
TokenTypes.P_SERVED_USER);
// added by aayush@rancore
addKeyword(PPreferredServiceHeader.NAME.toUpperCase(),
TokenTypes.P_PREFERRED_SERVICE);
// added by aayush@rancore
addKeyword(PAssertedServiceHeader.NAME.toUpperCase(),
TokenTypes.P_ASSERTED_SERVICE);
// added References header
addKeyword(ReferencesHeader.NAME.toUpperCase(),TokenTypes.REFERENCES);
// end //
} else if (lexerName.equals("status_lineLexer")) {
addKeyword(TokenNames.SIP.toUpperCase(), TokenTypes.SIP);
} else if (lexerName.equals("request_lineLexer")) {
addKeyword(TokenNames.SIP.toUpperCase(), TokenTypes.SIP);
} else if (lexerName.equals("sip_urlLexer")) {
addKeyword(TokenNames.TEL.toUpperCase(), TokenTypes.TEL);
addKeyword(TokenNames.SIP.toUpperCase(), TokenTypes.SIP);
addKeyword(TokenNames.SIPS.toUpperCase(), TokenTypes.SIPS);
}
} else {
currentLexer = lexer;
}
}
}
