OPeNDAP Hyrax Back End Server (BES) Updated for version 3.8.3

BESSetContextResponseHandler.cc

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00001 // BESSetContextResponseHandler.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 "BESSetContextResponseHandler.h"
00034 #include "BESSilentInfo.h"
00035 #include "BESContextManager.h"
00036 #include "BESDataNames.h"
00037 #include "BESSyntaxUserError.h"
00038 #include "BESResponseNames.h"
00039 
00040 BESSetContextResponseHandler::BESSetContextResponseHandler( const string &name )
00041     : BESResponseHandler( name )
00042 {
00043 }
00044 
00045 BESSetContextResponseHandler::~BESSetContextResponseHandler( )
00046 {
00047 }
00048 
00064 void
00065 BESSetContextResponseHandler::execute( BESDataHandlerInterface &dhi )
00066 {
00067     dhi.action_name = SET_CONTEXT_STR ;
00068     BESInfo *info = new BESSilentInfo() ;
00069     _response = info ;
00070 
00071     // the name string cannot be the empty string. No other restrictions
00072     // apply.
00073     string name = dhi.data[CONTEXT_NAME] ;
00074     if( name.empty() )
00075     {
00076         string e = "No context name was specified in set context command" ;
00077         throw BESSyntaxUserError( e, __FILE__, __LINE__ ) ;
00078     }
00079 
00080     string value = dhi.data[CONTEXT_VALUE] ;
00081 
00082     BESContextManager::TheManager()->set_context( name, value ) ;
00083 }
00084 
00097 void
00098 BESSetContextResponseHandler::transmit( BESTransmitter *transmitter,
00099                                         BESDataHandlerInterface &dhi )
00100 {
00101     if( _response )
00102     {
00103         BESInfo *info = dynamic_cast<BESInfo *>(_response) ;
00104         if( !info )
00105             throw BESInternalError( "cast error", __FILE__, __LINE__ ) ;
00106         info->transmit( transmitter, dhi ) ;
00107     }
00108 }
00109 
00116 void
00117 BESSetContextResponseHandler::dump( ostream &strm ) const
00118 {
00119     strm << BESIndent::LMarg << "BESSetContextResponseHandler::dump - ("
00120                              << (void *)this << ")" << endl ;
00121     BESIndent::Indent() ;
00122     BESResponseHandler::dump( strm ) ;
00123     BESIndent::UnIndent() ;
00124 }
00125 
00126 BESResponseHandler *
00127 BESSetContextResponseHandler::SetContextResponseBuilder( const string &name )
00128 {
00129     return new BESSetContextResponseHandler( name ) ;
00130 }
00131