bes  Updated for version 3.19.1
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 
65 {
66  dhi.action_name = SET_CONTEXT_STR;
67  BESInfo *info = new BESSilentInfo();
68  _response = info;
69 
70  // the name string cannot be the empty string. No other restrictions
71  // apply.
72  string name = dhi.data[CONTEXT_NAME];
73  if (name.empty()) {
74  string e = "No context name was specified in set context command";
75  throw BESSyntaxUserError(e, __FILE__, __LINE__);
76  }
77 
78  string value = dhi.data[CONTEXT_VALUE];
79 
80  BESContextManager::TheManager()->set_context(name, value);
81 }
82 
96 {
97  if (_response) {
98  BESInfo *info = dynamic_cast<BESInfo *>(_response);
99  if (!info) throw BESInternalError("cast error", __FILE__, __LINE__);
100  info->transmit(transmitter, dhi);
101  }
102 }
103 
110 void BESSetContextResponseHandler::dump(ostream &strm) const
111 {
112  strm << BESIndent::LMarg << "BESSetContextResponseHandler::dump - (" << (void *) this << ")" << endl;
113  BESIndent::Indent();
115  BESIndent::UnIndent();
116 }
117 
119 BESSetContextResponseHandler::SetContextResponseBuilder(const string &name)
120 {
121  return new BESSetContextResponseHandler(name);
122 }
123 
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
virtual void dump(ostream &strm) const
dumps information about this object
response handler that set context within the BES as a simple name/value pair
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.
map< string, string > data
the map of string data that will be required for the current request.
virtual void dump(ostream &strm) const
dumps information about this object
virtual void execute(BESDataHandlerInterface &dhi)
executes the command to set context within the BES