BESXMLSetContextCommand.cc

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00001 // BESXMLSetContextCommand.cc
00002 
00003 // This file is part of bes, A C++ back-end server implementation framework
00004 // for the OPeNDAP Data Access Protocol.
00005 
00006 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
00008 //
00009 // This library is free software; you can redistribute it and/or
00010 // modify it under the terms of the GNU Lesser General Public
00011 // License as published by the Free Software Foundation; either
00012 // version 2.1 of the License, or (at your option) any later version.
00013 // 
00014 // This library is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 // Lesser General Public License for more details.
00018 // 
00019 // You should have received a copy of the GNU Lesser General Public
00020 // License along with this library; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 // You can contact University Corporation for Atmospheric Research at
00024 // 3080 Center Green Drive, Boulder, CO 80301
00025  
00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
00028 //
00029 // Authors:
00030 //      pwest       Patrick West <pwest@ucar.edu>
00031 //      jgarcia     Jose Garcia <jgarcia@ucar.edu>
00032 
00033 #include "BESXMLSetContextCommand.h"
00034 #include "BESXMLUtils.h"
00035 #include "BESUtil.h"
00036 #include "BESResponseNames.h"
00037 #include "BESDataNames.h"
00038 #include "BESSyntaxUserError.h"
00039 #include "BESDebug.h"
00040 
00041 BESXMLSetContextCommand::BESXMLSetContextCommand( const BESDataHandlerInterface &base_dhi )
00042     : BESXMLCommand( base_dhi )
00043 {
00044 }
00045 
00055 void
00056 BESXMLSetContextCommand::parse_request( xmlNode *node )
00057 {
00058     string value ;
00059     string name ;
00060     string action ;
00061     map<string, string> props ;
00062     BESXMLUtils::GetNodeInfo( node, action, value, props ) ;
00063     if( action != SET_CONTEXT_STR )
00064     {
00065         string err = "The specified command " + action
00066                      + " is not a set context command" ;
00067         throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
00068     }
00069 
00070     _dhi.action = SET_CONTEXT ;
00071 
00072     name = props["name"] ;
00073     if( name.empty() )
00074     {
00075         string err = action + " command: name property missing" ;
00076         throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
00077     }
00078     if( value.empty() )
00079     {
00080         string err = action + " command: context value missing" ;
00081         throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
00082     }
00083     _dhi.data[CONTEXT_NAME] = name ;
00084     _dhi.data[CONTEXT_VALUE] = value ;
00085     _str_cmd = (string)"set context " + name + " to " + value ;
00086 
00087     // now that we've set the action, go get the response handler for the
00088     // action
00089     BESXMLCommand::set_response() ;
00090 }
00091 
00098 void
00099 BESXMLSetContextCommand::dump( ostream &strm ) const
00100 {
00101     strm << BESIndent::LMarg << "BESXMLSetContextCommand::dump - ("
00102                              << (void *)this << ")" << endl ;
00103     BESIndent::Indent() ;
00104     BESXMLCommand::dump( strm ) ;
00105     BESIndent::UnIndent() ;
00106 }
00107 
00108 BESXMLCommand *
00109 BESXMLSetContextCommand::CommandBuilder( const BESDataHandlerInterface &base_dhi )
00110 {
00111     return new BESXMLSetContextCommand( base_dhi ) ;
00112 }
00113 

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