00001 // BESDDXResponseHandler.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 "BESDDXResponseHandler.h" 00034 #include "BESDASResponse.h" 00035 #include "BESDDSResponse.h" 00036 #include "BESResponseNames.h" 00037 #include "BESRequestHandlerList.h" 00038 #include "BESDapTransmit.h" 00039 00040 #include "BESLog.h" 00041 00042 BESDDXResponseHandler::BESDDXResponseHandler( string name ) 00043 : BESResponseHandler( name ) 00044 { 00045 } 00046 00047 BESDDXResponseHandler::~BESDDXResponseHandler( ) 00048 { 00049 } 00050 00069 void 00070 BESDDXResponseHandler::execute( BESDataHandlerInterface &dhi ) 00071 { 00072 (*BESLog::TheLog()) << "Entering BESDDXResponseHandler::execute" << endl; 00073 00074 dhi.action_name = DDX_RESPONSE_STR ; 00075 // Create the DDS. 00076 // NOTE: It is the responsbility of the specific request handler to set 00077 // the BaseTypeFactory. It is set to NULL here 00078 DDS *dds = new DDS( NULL, "virtual" ) ; 00079 BESDDSResponse *bdds = new BESDDSResponse( dds ) ; 00080 _response = bdds ; 00081 _response_name = DDS_RESPONSE ; 00082 dhi.action = DDS_RESPONSE ; 00083 BESRequestHandlerList::TheList()->execute_each( dhi ) ; 00084 00085 #if 0 00086 // In the handler code, it's now required that DDS objects be built with 00087 // attributes included (effectively DDS == DDX). This is needed for 00088 // various server-side functions and will pave the way to phase out the 00089 // DDS/DAS responses as the basic building blocks in favor of the DDX. 00090 // jhrg 12/20/06 00091 00092 // Fill the DAS 00093 DAS *das = new DAS ; 00094 BESDASResponse *bdas = new BESDASResponse( das ) ; 00095 _response = bdas ; 00096 _response_name = DAS_RESPONSE ; 00097 dhi.action = DAS_RESPONSE ; 00098 BESRequestHandlerList::TheList()->execute_each( dhi ) ; 00099 00100 // Transfer the DAS to the DDS 00101 dds->transfer_attributes( das ) ; 00102 #endif 00103 00104 dhi.action = DDX_RESPONSE ; 00105 _response = bdds ; 00106 } 00107 00120 void 00121 BESDDXResponseHandler::transmit(BESTransmitter * transmitter, 00122 BESDataHandlerInterface & dhi) 00123 { 00124 if (_response) { 00125 transmitter->send_response(DDX_TRANSMITTER, _response, dhi); 00126 } 00127 } 00128 00135 void 00136 BESDDXResponseHandler::dump( ostream &strm ) const 00137 { 00138 strm << BESIndent::LMarg << "BESDDXResponseHandler::dump - (" 00139 << (void *)this << ")" << endl ; 00140 BESIndent::Indent() ; 00141 BESResponseHandler::dump( strm ) ; 00142 BESIndent::UnIndent() ; 00143 } 00144 00145 BESResponseHandler * 00146 BESDDXResponseHandler::DDXResponseBuilder( string handler_name ) 00147 { 00148 return new BESDDXResponseHandler( handler_name ) ; 00149 } 00150