00001 // BESDefineResponseHandler.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 <iostream> 00034 00035 using std::endl ; 00036 00037 #include "BESDefineResponseHandler.h" 00038 #include "BESSilentInfo.h" 00039 #include "BESDefine.h" 00040 #include "BESDefinitionStorageList.h" 00041 #include "BESDefinitionStorage.h" 00042 #include "BESDataNames.h" 00043 #include "BESHandlerException.h" 00044 #include "BESResponseNames.h" 00045 00046 BESDefineResponseHandler::BESDefineResponseHandler( const string &name ) 00047 : BESResponseHandler( name ) 00048 { 00049 } 00050 00051 BESDefineResponseHandler::~BESDefineResponseHandler( ) 00052 { 00053 } 00054 00084 void 00085 BESDefineResponseHandler::execute( BESDataHandlerInterface &dhi ) 00086 { 00087 dhi.action_name = DEFINE_RESPONSE_STR ; 00088 BESInfo *info = new BESSilentInfo() ; 00089 _response = info ; 00090 00091 string def_name = dhi.data[DEF_NAME] ; 00092 string store_name = dhi.data[STORE_NAME] ; 00093 if( store_name == "" ) 00094 store_name = PERSISTENCE_VOLATILE ; 00095 BESDefinitionStorage *store = 00096 BESDefinitionStorageList::TheList()->find_persistence( store_name ) ; 00097 if( store ) 00098 { 00099 bool deleted = store->del_definition( def_name ) ; 00100 00101 BESDefine *dd = new BESDefine ; 00102 dhi.first_container() ; 00103 while( dhi.container ) 00104 { 00105 dd->add_container( dhi.container ) ; 00106 dhi.next_container() ; 00107 } 00108 dd->set_agg_cmd( dhi.data[AGG_CMD] ) ; 00109 dd->set_agg_handler( dhi.data[AGG_HANDLER] ) ; 00110 dhi.data[AGG_CMD] = "" ; 00111 dhi.data[AGG_HANDLER] = "" ; 00112 00113 store->add_definition( def_name, dd ) ; 00114 } 00115 else 00116 { 00117 string err_str = (string)"Uanble to add definition \"" + def_name 00118 + "\" to \"" + store_name 00119 + "\" store. Store does not exist" ; 00120 throw BESHandlerException( err_str, __FILE__, __LINE__ ) ; 00121 } 00122 } 00123 00137 void 00138 BESDefineResponseHandler::transmit( BESTransmitter *transmitter, 00139 BESDataHandlerInterface &dhi ) 00140 { 00141 if( _response ) 00142 { 00143 // If this dynamic_cast is to a reference an not a pointer, then if 00144 // _response is not a BESInfo the cast will throw bad_cast. 00145 // Casting to a pointer will make ti null on error. jhrg 11/10/2005 00146 BESInfo *info = dynamic_cast<BESInfo *>(_response) ; 00147 info->transmit( transmitter, dhi ) ; 00148 } 00149 } 00150 00157 void 00158 BESDefineResponseHandler::dump( ostream &strm ) const 00159 { 00160 strm << BESIndent::LMarg << "BESDefineResponseHandler::dump - (" 00161 << (void *)this << ")" << endl ; 00162 BESIndent::Indent() ; 00163 BESResponseHandler::dump( strm ) ; 00164 BESIndent::UnIndent() ; 00165 } 00166 00167 BESResponseHandler * 00168 BESDefineResponseHandler::DefineResponseBuilder( const string &name ) 00169 { 00170 return new BESDefineResponseHandler( name ) ; 00171 }