OPeNDAP Hyrax Back End Server (BES)  Updated for version 3.8.3
BESDDXResponseHandler.cc
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1 // BESDDXResponseHandler.cc
2 
3 // This file is part of bes, A C++ back-end server implementation framework
4 // for the OPeNDAP Data Access Protocol.
5 
6 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
7 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
8 //
9 // This library is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU Lesser General Public
11 // License as published by the Free Software Foundation; either
12 // version 2.1 of the License, or (at your option) any later version.
13 //
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // Lesser General Public License for more details.
18 //
19 // You should have received a copy of the GNU Lesser General Public
20 // License along with this library; if not, write to the Free Software
21 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 //
23 // You can contact University Corporation for Atmospheric Research at
24 // 3080 Center Green Drive, Boulder, CO 80301
25 
26 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
27 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
28 //
29 // Authors:
30 // pwest Patrick West <pwest@ucar.edu>
31 // jgarcia Jose Garcia <jgarcia@ucar.edu>
32 
33 #include "BESDDXResponseHandler.h"
34 #include "BESDASResponse.h"
35 #include "BESDDSResponse.h"
36 #include "BESDapNames.h"
37 #include "BESDataNames.h"
38 #include "BESRequestHandlerList.h"
39 #include "BESDapTransmit.h"
40 
41 #include "BESDebug.h"
42 
44  : BESResponseHandler( name )
45 {
46 }
47 
49 {
50 }
51 
66 void
68 {
69  BESDEBUG( "dap", "Entering BESDDXResponseHandler::execute" << endl ) ;
70 
72  // Create the DDS.
73  // NOTE: It is the responsibility of the specific request handler to set
74  // the BaseTypeFactory. It is set to NULL here
75  DDS *dds = new DDS( NULL, "virtual" ) ;
76 
77  BESDDSResponse *bdds = new BESDDSResponse( dds ) ;
78  _response = bdds ;
80  dhi.action = DDS_RESPONSE ;
81 
82  BESDEBUG( "bes", "about to set dap version to: "
83  << bdds->get_dap_client_protocol() << endl) ;
84  BESDEBUG( "bes", "about to set xml:base to: "
85  << bdds->get_request_xml_base() << endl) ;
86 
87  // I added these two lines from BESDDXResponse. jhrg 10/05/09
88  // Note that the get_dap_client_protocol(), ..., methods
89  // are defined in BESDapResponse - these are not the methods of the
90  // same name in DDS. 2/23/11 jhrg
91 
92  // Set the DAP protocol version requested by the client. 2/25/11 jhrg
93 
94  dhi.first_container();
95  BESDEBUG("version", "Initial CE: " << dhi.container->get_constraint() << endl);
96  dhi.container->set_constraint(dds->get_keywords().parse_keywords(dhi.container->get_constraint()));
97  BESDEBUG("version", "CE after keyword processing: " << dhi.container->get_constraint() << endl);
98 
99  if (dds->get_keywords().has_keyword("dap")) {
100  BESDEBUG("version", "Has keyword 'dap', setting version to: " << dds->get_keywords().get_keyword_value("dap") << endl);
101  dds->set_dap_version(dds->get_keywords().get_keyword_value("dap"));
102  }
103  else if (!bdds->get_dap_client_protocol().empty()) {
104  BESDEBUG("version", "Has non-empty dap version info in bdds, setting version to: " << bdds->get_dap_client_protocol() << endl);
105  dds->set_dap_version( bdds->get_dap_client_protocol() ) ;
106  }
107  else {
108  BESDEBUG("version", "Has no clue about dap version, using default." << endl);
109  }
110 
111  dds->set_request_xml_base( bdds->get_request_xml_base() );
112 
114 
115  dhi.action = DDX_RESPONSE ;
116  _response = bdds ;
117 
118  BESDEBUG( "dap", "Leaving BESDDXResponseHandler::execute" << endl ) ;
119 }
120 
133 void
136 {
137  if( _response )
138  {
139  transmitter->send_response( DDX_SERVICE, _response, dhi ) ;
140  }
141 }
142 
149 void
150 BESDDXResponseHandler::dump( ostream &strm ) const
151 {
152  strm << BESIndent::LMarg << "BESDDXResponseHandler::dump - ("
153  << (void *)this << ")" << endl ;
155  BESResponseHandler::dump( strm ) ;
157 }
158 
161 {
162  return new BESDDXResponseHandler( name ) ;
163 }
164