OPeNDAP Hyrax Back End Server (BES)
Updated for version 3.8.3
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00001 // BESDDSResponseHandler.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 "BESDDSResponseHandler.h" 00034 #include "BESDDSResponse.h" 00035 #include "BESRequestHandlerList.h" 00036 #include "BESDapNames.h" 00037 #include "BESDataNames.h" 00038 #include "BESDapTransmit.h" 00039 00040 #include "BESDebug.h" 00041 00042 BESDDSResponseHandler::BESDDSResponseHandler( const string &name ) 00043 : BESResponseHandler( name ) 00044 { 00045 } 00046 00047 BESDDSResponseHandler::~BESDDSResponseHandler( ) 00048 { 00049 } 00050 00064 void 00065 BESDDSResponseHandler::execute( BESDataHandlerInterface &dhi ) 00066 { 00067 // NOTE: It is the responsibility of the specific request handler to set 00068 // the BaseTypeFactory. It is set to NULL here 00069 dhi.action_name = DDS_RESPONSE_STR ; 00070 DDS *dds = new DDS( NULL, "virtual" ) ; 00071 BESDDSResponse *bdds = new BESDDSResponse( dds ) ; 00072 00073 // Set the DAP protocol version requested by the client 00074 00075 dhi.first_container(); 00076 BESDEBUG("version", "Initial CE: " << dhi.container->get_constraint() << endl); 00077 dhi.container->set_constraint(dds->get_keywords().parse_keywords(dhi.container->get_constraint())); 00078 BESDEBUG("version", "CE after keyword processing: " << dhi.container->get_constraint() << endl); 00079 00080 if (dds->get_keywords().has_keyword("dap")) { 00081 dds->set_dap_version(dds->get_keywords().get_keyword_value("dap")); 00082 } 00083 else if (!bdds->get_dap_client_protocol().empty()) { 00084 dds->set_dap_version( bdds->get_dap_client_protocol() ) ; 00085 } 00086 00087 _response = bdds ; 00088 BESRequestHandlerList::TheList()->execute_each( dhi ) ; 00089 } 00090 00103 void 00104 BESDDSResponseHandler::transmit( BESTransmitter *transmitter, 00105 BESDataHandlerInterface &dhi ) 00106 { 00107 if( _response ) 00108 { 00109 transmitter->send_response( DDS_SERVICE, _response, dhi ) ; 00110 } 00111 } 00112 00119 void 00120 BESDDSResponseHandler::dump( ostream &strm ) const 00121 { 00122 strm << BESIndent::LMarg << "BESDDSResponseHandler::dump - (" 00123 << (void *)this << ")" << endl ; 00124 BESIndent::Indent() ; 00125 BESResponseHandler::dump( strm ) ; 00126 BESIndent::UnIndent() ; 00127 } 00128 00129 BESResponseHandler * 00130 BESDDSResponseHandler::DDSResponseBuilder( const string &name ) 00131 { 00132 return new BESDDSResponseHandler( name ) ; 00133 } 00134