SampleSayXMLCommand.cc

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00001 // SampleSayXMLCommand.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 "SampleSayXMLCommand.h"
00034 #include "BESXMLUtils.h"
00035 #include "BESUtil.h"
00036 #include "BESSyntaxUserError.h"
00037 #include "BESDebug.h"
00038 #include "SampleResponseNames.h"
00039 
00040 SampleSayXMLCommand::SampleSayXMLCommand( const BESDataHandlerInterface &base_dhi )
00041     : BESXMLCommand( base_dhi )
00042 {
00043 }
00044 
00051 void
00052 SampleSayXMLCommand::parse_request( xmlNode *node )
00053 {
00054     string name ;
00055     string value ;
00056     map<string, string> props ;
00057     BESXMLUtils::GetNodeInfo( node, name, value, props ) ;
00058     if( name != SAY_RESPONSE )
00059     {
00060         string err = "The specified command " + name
00061                      + " is not a say command" ;
00062         throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
00063     }
00064 
00065     if( !value.empty() )
00066     {
00067         string err = name + " command: should not have xml element values" ;
00068         throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
00069     }
00070 
00071     string child_name ;
00072     string child_value ;
00073     map<string,string> child_props ;
00074     xmlNode *child_node =
00075         BESXMLUtils::GetFirstChild( node, child_name, child_value, child_props);
00076     if( child_node )
00077     {
00078         string err = name + " command: should not have child elements" ;
00079         throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
00080     }
00081 
00082     _dhi.data[SAY_WHAT] = props["what"] ;
00083     if( _dhi.data[SAY_WHAT].empty() )
00084     {
00085         string err = name + " command: Must specify to whom to say" ;
00086         throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
00087     }
00088 
00089     _dhi.data[SAY_TO] = props["to"] ;
00090     if( _dhi.data[SAY_WHAT].empty() )
00091     {
00092         string err = name + " command: Must specify what to say" ;
00093         throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
00094     }
00095 
00096     _dhi.action = SAY_RESPONSE ;
00097 
00098     // now that we've set the action, go get the response handler for the
00099     // action
00100     BESXMLCommand::set_response() ;
00101 }
00102 
00103 void
00104 SampleSayXMLCommand::prep_request()
00105 {
00106 }
00107 
00114 void
00115 SampleSayXMLCommand::dump( ostream &strm ) const
00116 {
00117     strm << BESIndent::LMarg << "SampleSayXMLCommand::dump - ("
00118                              << (void *)this << ")" << endl ;
00119     BESIndent::Indent() ;
00120     BESXMLCommand::dump( strm ) ;
00121     BESIndent::UnIndent() ;
00122 }
00123 
00124 BESXMLCommand *
00125 SampleSayXMLCommand::CommandBuilder( const BESDataHandlerInterface &base_dhi )
00126 {
00127     return new SampleSayXMLCommand( base_dhi ) ;
00128 }
00129 

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