BESDelDefsResponseHandler.cc

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00001 // BESDelDefsResponseHandler.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) 2004,2005 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 Atmostpheric 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 "BESDelDefsResponseHandler.h"
00034 #include "BESSilentInfo.h"
00035 #include "BESDefinitionStorageList.h"
00036 #include "BESDefinitionStorage.h"
00037 #include "BESDefine.h"
00038 #include "BESContainerStorageList.h"
00039 #include "BESContainerStorage.h"
00040 #include "BESContainer.h"
00041 #include "BESDataNames.h"
00042 #include "BESHandlerException.h"
00043 #include "BESResponseNames.h"
00044 
00045 BESDelDefsResponseHandler::BESDelDefsResponseHandler( string name )
00046     : BESResponseHandler( name )
00047 {
00048 }
00049 
00050 BESDelDefsResponseHandler::~BESDelDefsResponseHandler( )
00051 {
00052 }
00053 
00082 void
00083 BESDelDefsResponseHandler::execute( BESDataHandlerInterface &dhi )
00084 {
00085     dhi.action_name = DELETE_DEFINITIONS_STR ;
00086     BESInfo *info = new BESSilentInfo() ;
00087     _response = info ;
00088 
00089     string store_name = dhi.data[STORE_NAME] ;
00090     if( store_name == "" )
00091         store_name = PERSISTENCE_VOLATILE ;
00092     BESDefinitionStorage *store =
00093         BESDefinitionStorageList::TheList()->find_persistence( store_name ) ;
00094     if( store )
00095     {
00096         bool deleted = store->del_definitions() ;
00097         if( !deleted )
00098         {
00099             string line = (string)"Unable to delete all definitions "
00100                           + "from definition store \"" + store_name + "\"" ;
00101             throw BESHandlerException( line, __FILE__, __LINE__ ) ;
00102         }
00103     }
00104     else
00105     {
00106         string line = (string)"Definition store \""
00107                       + store_name
00108                       + "\" does not exist.  Unable to delete." ;
00109         throw BESHandlerException( line, __FILE__, __LINE__ ) ;
00110     }
00111 }
00112 
00125 void
00126 BESDelDefsResponseHandler::transmit( BESTransmitter *transmitter,
00127                                BESDataHandlerInterface &dhi )
00128 {
00129     if( _response )
00130     {
00131         BESInfo *info = dynamic_cast<BESInfo *>(_response) ;
00132         info->transmit( transmitter, dhi ) ;
00133     }
00134 }
00135 
00142 void
00143 BESDelDefsResponseHandler::dump( ostream &strm ) const
00144 {
00145     strm << BESIndent::LMarg << "BESDelDefsResponseHandler::dump - ("
00146                              << (void *)this << ")" << endl ;
00147     BESIndent::Indent() ;
00148     BESResponseHandler::dump( strm ) ;
00149     BESIndent::UnIndent() ;
00150 }
00151 
00152 BESResponseHandler *
00153 BESDelDefsResponseHandler::DelDefsResponseBuilder( string handler_name )
00154 {
00155     return new BESDelDefsResponseHandler( handler_name ) ;
00156 }
00157 

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