bes  Updated for version 3.17.0
BESShowContextResponseHandler.cc
1 // BESShowContextResponseHandler.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 "BESShowContextResponseHandler.h"
34 #include "BESInfoList.h"
35 #include "BESInfo.h"
36 #include "BESContextManager.h"
37 #include "BESResponseNames.h"
38 
39 BESShowContextResponseHandler::BESShowContextResponseHandler( const string &name )
40  : BESResponseHandler( name )
41 {
42 }
43 
44 BESShowContextResponseHandler::~BESShowContextResponseHandler( )
45 {
46 }
47 
62 void
64 {
65  dhi.action_name = SET_CONTEXT_STR ;
66  BESInfo *info = BESInfoList::TheList()->build_info() ;
67  _response = info ;
68 
69  info->begin_response( SHOW_CONTEXT_STR, dhi ) ;
70  BESContextManager::TheManager()->list_context( *info ) ;
71  info->end_response() ;
72 }
73 
86 void
89 {
90  if( _response )
91  {
92  BESInfo *info = dynamic_cast<BESInfo *>(_response) ;
93  if( !info )
94  throw BESInternalError( "cast error", __FILE__, __LINE__ ) ;
95  info->transmit( transmitter, dhi ) ;
96  }
97 }
98 
105 void
107 {
108  strm << BESIndent::LMarg << "BESShowContextResponseHandler::dump - ("
109  << (void *)this << ")" << endl ;
110  BESIndent::Indent() ;
111  BESResponseHandler::dump( strm ) ;
112  BESIndent::UnIndent() ;
113 }
114 
116 BESShowContextResponseHandler::ShowContextResponseBuilder( const string &name )
117 {
118  return new BESShowContextResponseHandler( name ) ;
119 }
120 
response handler that lists the context name/value pairs
exception thrown if inernal error encountered
virtual void execute(BESDataHandlerInterface &dhi)
executes the command to list the current context in the BES
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)
transmit the response object built by the execute command using the specified transmitter object ...
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)=0
transmit the informational object
virtual void dump(ostream &strm) const
dumps information about this object
handler object that knows how to create a specific response object
informational response object
Definition: BESInfo.h:68
virtual void list_context(BESInfo &info)
Adds all context and their values to the given informational object.
virtual void dump(ostream &strm) const
dumps information about this object
Structure storing information used by the BES to handle the request.
virtual void begin_response(const string &response_name, BESDataHandlerInterface &dhi)
begin the informational response
Definition: BESInfo.cc:112