bes  Updated for version 3.20.6
BESWWWTransmit.cc
1 // BESWWWTransmit.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) 2004,2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 <BESDapTransmit.h>
34 #if 0
35 #include <DODSFilter.h>
36 #endif
37 #include <BESWWWTransmit.h>
38 // #include <DODSFilter.h>
39 #include <BESContainer.h>
40 #include <BESDapNames.h>
41 #include <BESWWWNames.h>
42 #include <mime_util.h>
43 #include <BESWWW.h>
44 #include <util.h>
45 #include <InternalErr.h>
46 #include <BESError.h>
47 #include <BESDapError.h>
48 #include <BESInternalFatalError.h>
49 #include <BESServiceRegistry.h>
50 
51 #include <BESDebug.h>
52 
53 #include "get_html_form.h"
54 
55 using namespace dap_html_form;
56 
57 void BESWWWTransmit::send_basic_form(BESResponseObject * obj, BESDataHandlerInterface & dhi)
58 {
59  dhi.first_container();
60  try {
61  BESDEBUG("www", "converting dds to www dds" << endl);
62 
63  DDS *dds = dynamic_cast<BESWWW &>(*obj).get_dds()->get_dds();
64  if (!dds) throw BESInternalFatalError("Expected a DDS instance", __FILE__, __LINE__);
65 
66  DDS *wwwdds = dds_to_www_dds(dds);
67 
68  BESDEBUG("www", "writing form" << endl);
69 
70  string url = dhi.data[WWW_URL];
71 
72  // Look for the netcdf format in the dap service. If present
73  // then have the interface make a button for it.
74  BESServiceRegistry *registry = BESServiceRegistry::TheRegistry();
75  bool netcdf3_file_response = registry->service_available(OPENDAP_SERVICE, DATA_SERVICE, "netcdf");
76  // TODO change this so that it actually tests for the netcdf4 capability. I'm
77  // not sure how to do that, so just assume the handler has it. jhrg 9/23/13
78  bool netcdf4_file_response = registry->service_available(OPENDAP_SERVICE, DATA_SERVICE, "netcdf");
79  write_html_form_interface(dhi.get_output_stream(), wwwdds, url, false /*send mime headers*/,
80  netcdf3_file_response, netcdf4_file_response);
81 
82  BESDEBUG("www", "done transmitting form" << endl);
83 
84  delete wwwdds;
85  }
86  catch (InternalErr &e) {
87  string err = "Failed to write html form: " + e.get_error_message();
88  throw BESDapError(err, true, e.get_error_code(), __FILE__, __LINE__);
89  }
90  catch (Error &e) {
91  string err = "Failed to write html form: " + e.get_error_message();
92  throw BESDapError(err, false, e.get_error_code(), __FILE__, __LINE__);
93  }
94  catch (BESError &e) {
95  throw;
96  }
97  catch (...) {
98  string err = "Failed to write html form: Unknown exception caught";
99  throw BESInternalFatalError(err, __FILE__, __LINE__);
100  }
101 }
102 
103 void BESWWWTransmit::send_http_form(BESResponseObject * obj, BESDataHandlerInterface & dhi)
104 {
105  set_mime_text(dhi.get_output_stream(), unknown_type, x_plain);
106  BESWWWTransmit::send_basic_form(obj, dhi);
107 }
108 
BESInternalFatalError
exception thrown if an internal error is found and is fatal to the BES
Definition: BESInternalFatalError.h:43
BESServiceRegistry
The service registry allows modules to register services with the BES that they provide.
Definition: BESServiceRegistry.h:56
BESDDSResponse::get_dds
libdap::DDS * get_dds()
Definition: BESDDSResponse.h:80
BESDataHandlerInterface::data
std::map< std::string, std::string > data
the map of string data that will be required for the current request.
Definition: BESDataHandlerInterface.h:90
BESWWW
container for a DAS and DDS needed to write out the usage information for a dataset.
Definition: BESWWW.h:51
Error
BESServiceRegistry::service_available
virtual bool service_available(const std::string &name, const std::string &cmd="", const std::string &format="")
Determines if a service and, optionally, a command and a return format, is available.
Definition: BESServiceRegistry.cc:222
BESDataHandlerInterface::first_container
void first_container()
set the container pointer to the first container in the containers list
Definition: BESDataHandlerInterface.h:135
BESDapError
error object created from libdap error objects and can handle those errors
Definition: BESDapError.h:59
BESDataHandlerInterface
Structure storing information used by the BES to handle the request.
Definition: BESDataHandlerInterface.h:56
BESError
Abstract exception class for the BES with basic string message.
Definition: BESError.h:58
BESResponseObject
Abstract base class representing a specific set of information in response to a request to the BES.
Definition: BESResponseObject.h:45