OPeNDAP Hyrax Back End Server (BES)
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BESDataDDXResponseHandler.cc
Go to the documentation of this file.
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// BESDataDDXResponseHandler.cc
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// This file is part of bes, A C++ back-end server implementation framework
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// for the OPeNDAP Data Access Protocol.
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// Copyright (c) 2004-2009 University Corporation for Atmospheric Research
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// Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// You can contact University Corporation for Atmospheric Research at
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// 3080 Center Green Drive, Boulder, CO 80301
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// (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
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// Please read the full copyright statement in the file COPYRIGHT_UCAR.
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//
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// Authors:
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// pwest Patrick West <pwest@ucar.edu>
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// jgarcia Jose Garcia <jgarcia@ucar.edu>
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#include "
BESDataDDXResponseHandler.h
"
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#include "
BESDataDDSResponse.h
"
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#include "
BESRequestHandlerList.h
"
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#include "
BESDapNames.h
"
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#include "
BESDataNames.h
"
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#include "
BESDapTransmit.h
"
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#include "
BESDebug.h
"
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BESDataDDXResponseHandler::BESDataDDXResponseHandler
(
const
string
&name )
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:
BESResponseHandler
( name )
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{
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}
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BESDataDDXResponseHandler::~BESDataDDXResponseHandler
( )
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{
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}
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void
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BESDataDDXResponseHandler::execute
(
BESDataHandlerInterface
&dhi )
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{
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BESDEBUG
(
"dap"
,
"Entering BESDataDDXResponseHandler::execute"
<< endl ) ;
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dhi.
action_name
=
DATADDX_RESPONSE_STR
;
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// Create the DDS.
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// NOTE: It is the responsibility of the specific request handler to set
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// the BaseTypeFactory. It is set to NULL here
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DataDDS *dds =
new
DataDDS( NULL,
"virtual"
) ;
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BESDataDDSResponse
*bdds =
new
BESDataDDSResponse
( dds ) ;
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_response
= bdds ;
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// we're actually going to get the data response, it just gets
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// displayed as a DataDDX
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_response_name
=
DATA_RESPONSE
;
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dhi.
action
=
DATA_RESPONSE
;
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// Read keywords from the CE and use those to set the DAP version; maybe
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// other things. If the dap version(s) are not included in the CE using
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// keywords, then see if anything was sent in the Request headers (which
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// the OLFS will parse); the BES includes that info in the BESDapResponse
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// object.
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// Set the DAP protocol version requested by the client. 2/25/11 jhrg
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dhi.
first_container
();
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BESDEBUG
(
"version"
,
"Initial CE: "
<< dhi.
container
->
get_constraint
() << endl);
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dhi.
container
->
set_constraint
(dds->get_keywords().parse_keywords(dhi.
container
->
get_constraint
()));
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BESDEBUG
(
"version"
,
"CE after keyword processing: "
<< dhi.
container
->
get_constraint
() << endl);
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dhi.
data
[
POST_CONSTRAINT
] = dds->get_keywords().parse_keywords(dhi.
data
[
POST_CONSTRAINT
]);
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if
(dds->get_keywords().has_keyword(
"dap"
)) {
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dds->set_dap_version(dds->get_keywords().get_keyword_value(
"dap"
));
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}
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else
if
(!bdds->
get_dap_client_protocol
().empty()) {
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dds->set_dap_version( bdds->
get_dap_client_protocol
() ) ;
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}
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dds->set_request_xml_base( bdds->
get_request_xml_base
() );
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BESRequestHandlerList::TheList
()->
execute_each
( dhi ) ;
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// we've got what we want, now set the action back to data ddx
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dhi.
action
=
DATADDX_RESPONSE
;
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_response
= bdds ;
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BESDEBUG
(
"dap"
,
"Leaving BESDataDDXResponseHandler::execute"
<< endl ) ;
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}
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void
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BESDataDDXResponseHandler::transmit
(
BESTransmitter
* transmitter,
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BESDataHandlerInterface
& dhi )
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{
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if
(
_response
)
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{
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transmitter->
send_response
(
DATADDX_SERVICE
,
_response
, dhi ) ;
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}
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}
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void
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BESDataDDXResponseHandler::dump
( ostream &strm )
const
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{
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strm <<
BESIndent::LMarg
<<
"BESDataDDXResponseHandler::dump - ("
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<< (
void
*)
this
<<
")"
<< endl ;
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BESIndent::Indent
() ;
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BESResponseHandler::dump
( strm ) ;
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BESIndent::UnIndent
() ;
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}
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BESResponseHandler
*
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BESDataDDXResponseHandler::DataDDXResponseBuilder
(
const
string
&name )
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{
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return
new
BESDataDDXResponseHandler
( name ) ;
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}
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dispatch
BESDataDDXResponseHandler.cc
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