BESDelContainerResponseHandler.cc

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00001 // BESDelContainerResponseHandler.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 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 "BESDelContainerResponseHandler.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 BESDelContainerResponseHandler::BESDelContainerResponseHandler( const string &name )
00046     : BESResponseHandler( name )
00047 {
00048 }
00049 
00050 BESDelContainerResponseHandler::~BESDelContainerResponseHandler( )
00051 {
00052 }
00053 
00077 void
00078 BESDelContainerResponseHandler::execute( BESDataHandlerInterface &dhi )
00079 {
00080     dhi.action_name = DELETE_CONTAINER_STR ;
00081     BESInfo *info = new BESSilentInfo() ;
00082     _response = info ;
00083 
00084     string container_name = dhi.data[CONTAINER_NAME] ;
00085     string store_name = dhi.data[STORE_NAME] ;
00086     if( container_name != "" )
00087     {
00088         if( store_name == "" )
00089             store_name = PERSISTENCE_VOLATILE ;
00090         BESContainerStorage *cp =
00091             BESContainerStorageList::TheList()->find_persistence( store_name ) ;
00092         if( cp )
00093         {
00094             bool deleted =  cp->del_container( dhi.data[CONTAINER_NAME] ) ;
00095             if( !deleted )
00096             {
00097                 string err_str = (string)"Unable to delete container. "
00098                                  + "The container \""
00099                                  + dhi.data[CONTAINER_NAME]
00100                                  + "\" does not exist in container storage \""
00101                                  + dhi.data[STORE_NAME] + "\"" ;
00102                 throw BESHandlerException( err_str, __FILE__, __LINE__ ) ;
00103             }
00104         }
00105         else
00106         {
00107             string err_str = (string)"Container storage \""
00108                              + dhi.data[STORE_NAME]
00109                              + "\" does not exist. "
00110                              + "Unable to delete container \""
00111                              + dhi.data[CONTAINER_NAME] + "\"" ;
00112             throw BESHandlerException( err_str, __FILE__, __LINE__ ) ;
00113         }
00114     }
00115     else
00116     {
00117         string err_str = (string)"No container is specified. "
00118                          + "Unable to complete request." ;
00119         throw BESHandlerException( err_str, __FILE__, __LINE__ ) ;
00120     }
00121 }
00122 
00135 void
00136 BESDelContainerResponseHandler::transmit( BESTransmitter *transmitter,
00137                                BESDataHandlerInterface &dhi )
00138 {
00139     if( _response )
00140     {
00141         BESInfo *info = dynamic_cast<BESInfo *>(_response) ;
00142         info->transmit( transmitter, dhi ) ;
00143     }
00144 }
00145 
00152 void
00153 BESDelContainerResponseHandler::dump( ostream &strm ) const
00154 {
00155     strm << BESIndent::LMarg << "BESDelContainerResponseHandler::dump - ("
00156                              << (void *)this << ")" << endl ;
00157     BESIndent::Indent() ;
00158     BESResponseHandler::dump( strm ) ;
00159     BESIndent::UnIndent() ;
00160 }
00161 
00162 BESResponseHandler *
00163 BESDelContainerResponseHandler::DelContainerResponseBuilder( const string &name)
00164 {
00165     return new BESDelContainerResponseHandler( name ) ;
00166 }
00167 

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