OPeNDAP Hyrax Back End Server (BES)
Updated for version 3.8.3
|
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) 2004-2009 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 "BESDDXResponseHandler.h" 00034 #include "BESDASResponse.h" 00035 #include "BESDDSResponse.h" 00036 #include "BESDapNames.h" 00037 #include "BESDataNames.h" 00038 #include "BESRequestHandlerList.h" 00039 #include "BESDapTransmit.h" 00040 00041 #include "BESDebug.h" 00042 00043 BESDDXResponseHandler::BESDDXResponseHandler( const string &name ) 00044 : BESResponseHandler( name ) 00045 { 00046 } 00047 00048 BESDDXResponseHandler::~BESDDXResponseHandler( ) 00049 { 00050 } 00051 00066 void 00067 BESDDXResponseHandler::execute( BESDataHandlerInterface &dhi ) 00068 { 00069 BESDEBUG( "dap", "Entering BESDDXResponseHandler::execute" << endl ) ; 00070 00071 dhi.action_name = DDX_RESPONSE_STR ; 00072 // Create the DDS. 00073 // NOTE: It is the responsibility of the specific request handler to set 00074 // the BaseTypeFactory. It is set to NULL here 00075 DDS *dds = new DDS( NULL, "virtual" ) ; 00076 00077 BESDDSResponse *bdds = new BESDDSResponse( dds ) ; 00078 _response = bdds ; 00079 _response_name = DDS_RESPONSE ; 00080 dhi.action = DDS_RESPONSE ; 00081 00082 BESDEBUG( "bes", "about to set dap version to: " 00083 << bdds->get_dap_client_protocol() << endl) ; 00084 BESDEBUG( "bes", "about to set xml:base to: " 00085 << bdds->get_request_xml_base() << endl) ; 00086 00087 // I added these two lines from BESDDXResponse. jhrg 10/05/09 00088 // Note that the get_dap_client_protocol(), ..., methods 00089 // are defined in BESDapResponse - these are not the methods of the 00090 // same name in DDS. 2/23/11 jhrg 00091 00092 // Set the DAP protocol version requested by the client. 2/25/11 jhrg 00093 00094 dhi.first_container(); 00095 BESDEBUG("version", "Initial CE: " << dhi.container->get_constraint() << endl); 00096 dhi.container->set_constraint(dds->get_keywords().parse_keywords(dhi.container->get_constraint())); 00097 BESDEBUG("version", "CE after keyword processing: " << dhi.container->get_constraint() << endl); 00098 00099 if (dds->get_keywords().has_keyword("dap")) { 00100 BESDEBUG("version", "Has keyword 'dap', setting version to: " << dds->get_keywords().get_keyword_value("dap") << endl); 00101 dds->set_dap_version(dds->get_keywords().get_keyword_value("dap")); 00102 } 00103 else if (!bdds->get_dap_client_protocol().empty()) { 00104 BESDEBUG("version", "Has non-empty dap version info in bdds, setting version to: " << bdds->get_dap_client_protocol() << endl); 00105 dds->set_dap_version( bdds->get_dap_client_protocol() ) ; 00106 } 00107 else { 00108 BESDEBUG("version", "Has no clue about dap version, using default." << endl); 00109 } 00110 00111 dds->set_request_xml_base( bdds->get_request_xml_base() ); 00112 00113 BESRequestHandlerList::TheList()->execute_each( dhi ) ; 00114 00115 dhi.action = DDX_RESPONSE ; 00116 _response = bdds ; 00117 00118 BESDEBUG( "dap", "Leaving BESDDXResponseHandler::execute" << endl ) ; 00119 } 00120 00133 void 00134 BESDDXResponseHandler::transmit( BESTransmitter * transmitter, 00135 BESDataHandlerInterface & dhi ) 00136 { 00137 if( _response ) 00138 { 00139 transmitter->send_response( DDX_SERVICE, _response, dhi ) ; 00140 } 00141 } 00142 00149 void 00150 BESDDXResponseHandler::dump( ostream &strm ) const 00151 { 00152 strm << BESIndent::LMarg << "BESDDXResponseHandler::dump - (" 00153 << (void *)this << ")" << endl ; 00154 BESIndent::Indent() ; 00155 BESResponseHandler::dump( strm ) ; 00156 BESIndent::UnIndent() ; 00157 } 00158 00159 BESResponseHandler * 00160 BESDDXResponseHandler::DDXResponseBuilder( const string &name ) 00161 { 00162 return new BESDDXResponseHandler( name ) ; 00163 } 00164