bes  Updated for version 3.17.0
BESSetContextResponseHandler.cc
1 // BESSetContextResponseHandler.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., 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 "BESSetContextResponseHandler.h"
34 #include "BESSilentInfo.h"
35 #include "BESContextManager.h"
36 #include "BESDataNames.h"
37 #include "BESSyntaxUserError.h"
38 #include "BESResponseNames.h"
39 
40 BESSetContextResponseHandler::BESSetContextResponseHandler( const string &name )
41  : BESResponseHandler( name )
42 {
43 }
44 
45 BESSetContextResponseHandler::~BESSetContextResponseHandler( )
46 {
47 }
48 
64 void
66 {
67  dhi.action_name = SET_CONTEXT_STR ;
68  BESInfo *info = new BESSilentInfo() ;
69  _response = info ;
70 
71  // the name string cannot be the empty string. No other restrictions
72  // apply.
73  string name = dhi.data[CONTEXT_NAME] ;
74  if( name.empty() )
75  {
76  string e = "No context name was specified in set context command" ;
77  throw BESSyntaxUserError( e, __FILE__, __LINE__ ) ;
78  }
79 
80  string value = dhi.data[CONTEXT_VALUE] ;
81 
82  BESContextManager::TheManager()->set_context( name, value ) ;
83 }
84 
97 void
100 {
101  if( _response )
102  {
103  BESInfo *info = dynamic_cast<BESInfo *>(_response) ;
104  if( !info )
105  throw BESInternalError( "cast error", __FILE__, __LINE__ ) ;
106  info->transmit( transmitter, dhi ) ;
107  }
108 }
109 
116 void
118 {
119  strm << BESIndent::LMarg << "BESSetContextResponseHandler::dump - ("
120  << (void *)this << ")" << endl ;
121  BESIndent::Indent() ;
122  BESResponseHandler::dump( strm ) ;
123  BESIndent::UnIndent() ;
124 }
125 
127 BESSetContextResponseHandler::SetContextResponseBuilder( const string &name )
128 {
129  return new BESSetContextResponseHandler( name ) ;
130 }
131 
silent informational response object
Definition: BESSilentInfo.h:49
virtual void set_context(const string &name, const string &value)
set context in the BES
exception thrown if inernal error encountered
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)=0
transmit the informational object
error thrown if there is a user syntax error in the request or any other user error ...
handler object that knows how to create a specific response object
informational response object
Definition: BESInfo.h:68
response handler that set context within the BES as a simple name/value pair
virtual void dump(ostream &strm) const
dumps information about this object
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)
transmit the response object built by the execute command using the specified transmitter object ...
Structure storing information used by the BES to handle the request.
virtual void dump(ostream &strm) const
dumps information about this object
map< string, string > data
the map of string data that will be required for the current request.
virtual void execute(BESDataHandlerInterface &dhi)
executes the command to set context within the BES