OPeNDAP Hyrax Back End Server (BES)  Updated for version 3.8.3
BESDapError.cc
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1 // BESDapError.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 <sstream>
34 #include <iostream>
35 
36 using std::ostringstream;
37 
38 #include "BESDapError.h"
39 #include "BESContextManager.h"
40 #include "BESDapErrorInfo.h"
41 
64 int
65 BESDapError::convert_error_code( int error_code, int current_error_type )
66 {
67  if( current_error_type == BES_INTERNAL_FATAL_ERROR )
68  return current_error_type ;
69  switch( error_code )
70  {
71  case undefined_error:
72  case unknown_error:
73  {
74  return BES_INTERNAL_ERROR ;
75  break ;
76  }
77  case internal_error:
78  {
80  break ;
81  }
82  case no_such_file:
83  {
84  return BES_NOT_FOUND_ERROR ;
85  break ;
86  }
87  case no_such_variable:
88  case malformed_expr:
89  {
90  return BES_SYNTAX_USER_ERROR ;
91  break ;
92  }
93  case no_authorization:
94  case cannot_read_file:
95  case dummy_message:
96  {
97  return BES_FORBIDDEN_ERROR ;
98  break ;
99  }
100  default:
101  {
102  return BES_INTERNAL_ERROR ;
103  break ;
104  }
105  }
106  return BES_INTERNAL_ERROR ;
107 }
108 
118 int
120 {
121  // If we are handling errors in a dap2 context, then create a
122  // DapErrorInfo object to transmit/print the error as a dap2
123  // response.
124  bool found = false ;
125  // I changed 'dap_format' to 'errors' in the following line. jhrg 10/6/08
126  string context = BESContextManager::TheManager()->get_context( "errors", found ) ;
127  if( context == "dap2" )
128  {
129  ErrorCode ec = unknown_error ;
130  BESDapError *de = dynamic_cast<BESDapError*>( &e);
131  if( de )
132  {
133  ec = de->get_error_code() ;
134  }
136  dhi.error_info = new BESDapErrorInfo( ec, e.get_message() ) ;
137 
138  return e.get_error_type() ;
139  }
140  else
141  {
142  // If we are not in a dap2 context and the exception is a dap
143  // handler exception, then convert the error message to include the
144  // error code. If it is or is not a dap exception, we simply return
145  // that the exception was not handled.
146  BESError *e_p = &e ;
147  BESDapError *de = dynamic_cast<BESDapError*>( e_p );
148  if( de )
149  {
150  ostringstream s;
151  s << "libdap exception building response"
152  << ": error_code = " << de->get_error_code()
153  << ": " << de->get_message() ;
154  e.set_message( s.str() ) ;
156  e.get_error_type() ) ) ;
157  }
158  }
159  return 0 ;
160 }
161 
168 void
169 BESDapError::dump( ostream &strm ) const
170 {
171  strm << BESIndent::LMarg << "BESDapError::dump - ("
172  << (void *)this << ")" << endl ;
174  strm << BESIndent::LMarg << "error code = " << get_error_code() << endl ;
175  BESError::dump( strm ) ;
177 }
178