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 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 "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 "BESDebug.h" 00041 00042 BESDDXResponseHandler::BESDDXResponseHandler( const string &name ) 00043 : BESResponseHandler( name ) 00044 { 00045 } 00046 00047 BESDDXResponseHandler::~BESDDXResponseHandler( ) 00048 { 00049 } 00050 00065 void 00066 BESDDXResponseHandler::execute( BESDataHandlerInterface &dhi ) 00067 { 00068 BESDEBUG( "dap", "Entering BESDDXResponseHandler::execute" << endl ) 00069 00070 dhi.action_name = DDX_RESPONSE_STR ; 00071 // Create the DDS. 00072 // NOTE: It is the responsbility of the specific request handler to set 00073 // the BaseTypeFactory. It is set to NULL here 00074 DDS *dds = new DDS( NULL, "virtual" ) ; 00075 BESDDSResponse *bdds = new BESDDSResponse( dds ) ; 00076 _response = bdds ; 00077 _response_name = DDS_RESPONSE ; 00078 dhi.action = DDS_RESPONSE ; 00079 BESRequestHandlerList::TheList()->execute_each( dhi ) ; 00080 00081 #if 0 00082 // In the handler code, it's now required that DDS objects be built with 00083 // attributes included (effectively DDS == DDX). This is needed for 00084 // various server-side functions and will pave the way to phase out the 00085 // DDS/DAS responses as the basic building blocks in favor of the DDX. 00086 // jhrg 12/20/06 00087 00088 // Fill the DAS 00089 DAS *das = new DAS ; 00090 BESDASResponse *bdas = new BESDASResponse( das ) ; 00091 _response = bdas ; 00092 _response_name = DAS_RESPONSE ; 00093 dhi.action = DAS_RESPONSE ; 00094 BESRequestHandlerList::TheList()->execute_each( dhi ) ; 00095 00096 // Transfer the DAS to the DDS 00097 dds->transfer_attributes( das ) ; 00098 #endif 00099 00100 dhi.action = DDX_RESPONSE ; 00101 _response = bdds ; 00102 00103 BESDEBUG( "dap", "Leaving BESDDXResponseHandler::execute" << endl ) 00104 } 00105 00118 void 00119 BESDDXResponseHandler::transmit(BESTransmitter * transmitter, 00120 BESDataHandlerInterface & dhi) 00121 { 00122 if (_response) { 00123 transmitter->send_response(DDX_TRANSMITTER, _response, dhi); 00124 } 00125 } 00126 00133 void 00134 BESDDXResponseHandler::dump( ostream &strm ) const 00135 { 00136 strm << BESIndent::LMarg << "BESDDXResponseHandler::dump - (" 00137 << (void *)this << ")" << endl ; 00138 BESIndent::Indent() ; 00139 BESResponseHandler::dump( strm ) ; 00140 BESIndent::UnIndent() ; 00141 } 00142 00143 BESResponseHandler * 00144 BESDDXResponseHandler::DDXResponseBuilder( const string &name ) 00145 { 00146 return new BESDDXResponseHandler( name ) ; 00147 } 00148