00001 // BESSetContextCommand.cc 00002 00003 // This file is part of bes, A C++ back-end server implementation framework 00004 // for the OPeNDAP Data Access Protocol. 00005 00006 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research 00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu> 00008 // 00009 // This library is free software; you can redistribute it and/or 00010 // modify it under the terms of the GNU Lesser General Public 00011 // License as published by the Free Software Foundation; either 00012 // version 2.1 of the License, or (at your option) any later version. 00013 // 00014 // This library is distributed in the hope that it will be useful, 00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 // Lesser General Public License for more details. 00018 // 00019 // You should have received a copy of the GNU Lesser General Public 00020 // License along with this library; if not, write to the Free Software 00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 // 00023 // You can contact University Corporation for Atmospheric Research at 00024 // 3080 Center Green Drive, Boulder, CO 80301 00025 00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005 00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR. 00028 // 00029 // Authors: 00030 // pwest Patrick West <pwest@ucar.edu> 00031 // jgarcia Jose Garcia <jgarcia@ucar.edu> 00032 00033 #include "BESSetContextCommand.h" 00034 #include "BESTokenizer.h" 00035 #include "BESResponseHandlerList.h" 00036 #include "BESContainerStorageList.h" 00037 #include "BESSyntaxUserError.h" 00038 #include "BESDataNames.h" 00039 #include "BESResponseNames.h" 00040 00057 BESResponseHandler * 00058 BESSetContextCommand::parse_request( BESTokenizer &tokenizer, 00059 BESDataHandlerInterface &dhi ) 00060 { 00061 string my_token ; 00062 00063 /* No sub command, so proceed with the default set command 00064 */ 00065 dhi.action = SET_CONTEXT ; 00066 BESResponseHandler *retResponse = 00067 BESResponseHandlerList::TheList()->find_handler( SET_CONTEXT ) ; 00068 if( !retResponse ) 00069 { 00070 string s = (string)"No response handler for command " + SET_CONTEXT ; 00071 throw BESSyntaxUserError( s, __FILE__, __LINE__ ) ; 00072 } 00073 00074 // Next token should be the name of the context 00075 my_token = tokenizer.get_next_token() ; 00076 if( my_token == ";" ) 00077 { 00078 tokenizer.parse_error( my_token + " not expected\n" ) ; 00079 } 00080 dhi.data[CONTEXT_NAME] = my_token ; 00081 00082 // Next token should be the token "to" 00083 my_token = tokenizer.get_next_token() ; 00084 if( my_token != "to" ) 00085 { 00086 tokenizer.parse_error( my_token + " not expected\n" ) ; 00087 } 00088 00089 // Next token should be the value of the context 00090 my_token = tokenizer.get_next_token() ; 00091 if( my_token == ";" ) 00092 { 00093 tokenizer.parse_error( my_token + " not expected\n" ) ; 00094 } 00095 dhi.data[CONTEXT_VALUE] = my_token ; 00096 00097 // Last token should be the terminating semicolon (;) 00098 my_token = tokenizer.get_next_token() ; 00099 if( my_token != ";" ) 00100 { 00101 tokenizer.parse_error( my_token + " not expected\n" ) ; 00102 } 00103 00104 return retResponse ; 00105 } 00106 00113 void 00114 BESSetContextCommand::dump( ostream &strm ) const 00115 { 00116 strm << BESIndent::LMarg << "BESSetContextCommand::dump - (" 00117 << (void *)this << ")" << endl ; 00118 BESIndent::Indent() ; 00119 BESCommand::dump( strm ) ; 00120 BESIndent::UnIndent() ; 00121 } 00122