bes  Updated for version 3.17.0
BESServicesResponseHandler.cc
1 // BESServicesResponseHandler.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 "BESServicesResponseHandler.h"
34 #include "BESServiceRegistry.h"
35 #include "BESInfoList.h"
36 #include "BESInfo.h"
37 #include "BESResponseNames.h"
38 
39 BESServicesResponseHandler::BESServicesResponseHandler( const string &name )
40  : BESResponseHandler( name )
41 {
42 }
43 
44 BESServicesResponseHandler::~BESServicesResponseHandler( )
45 {
46 }
47 
60 void
62 {
63  BESInfo *info = BESInfoList::TheList()->build_info() ;
64  _response = info ;
65 
66  dhi.action_name = SERVICE_RESPONSE_STR ;
67  info->begin_response( SERVICE_RESPONSE_STR, dhi ) ;
68  BESServiceRegistry::TheRegistry()->show_services( *info ) ;
69  info->end_response() ;
70 }
71 
84 void
87 {
88  if( _response )
89  {
90  BESInfo *info = dynamic_cast<BESInfo *>(_response) ;
91  if( !info )
92  throw BESInternalError( "cast error", __FILE__, __LINE__ ) ;
93  info->transmit( transmitter, dhi ) ;
94  }
95 }
96 
103 void
104 BESServicesResponseHandler::dump( ostream &strm ) const
105 {
106  strm << BESIndent::LMarg << "BESServicesResponseHandler::dump - ("
107  << (void *)this << ")" << endl ;
108  BESIndent::Indent() ;
109  BESResponseHandler::dump( strm ) ;
110  BESIndent::UnIndent() ;
111 }
112 
114 BESServicesResponseHandler::ResponseBuilder( const string &name )
115 {
116  return new BESServicesResponseHandler( name ) ;
117 }
118 
virtual void dump(ostream &strm) const
dumps information about this object
exception thrown if inernal error encountered
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)=0
transmit the informational object
virtual void show_services(BESInfo &info)
fills in the response object for the <showService /> request
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
virtual void execute(BESDataHandlerInterface &dhi)
executes the command &#39;show services;&#39; by returning the list of all registered services for this BES...
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
response handler that returns the list of servies provided by this BES
virtual void transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)
transmit the response object built by the execute command using the specified transmitter object ...