BESReturnManager.cc

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00001 // BESReturnManager.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) 2004,2005 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 "BESReturnManager.h"
00034 
00035 BESReturnManager *BESReturnManager::_instance = 0 ;
00036 
00037 BESReturnManager::BESReturnManager()
00038 {
00039 }
00040 
00041 BESReturnManager::~BESReturnManager()
00042 {
00043     BESReturnManager::Transmitter_iter i ;
00044     BESTransmitter *t = 0 ;
00045     for( i = _transmitter_list.begin(); i != _transmitter_list.end(); i++ )
00046     {
00047         t = (*i).second ;
00048         delete t ;
00049     }
00050 }
00051 
00052 bool
00053 BESReturnManager::add_transmitter( const string &name,
00054                                     BESTransmitter *transmitter )
00055 {
00056     if( find_transmitter( name ) == 0 )
00057     {
00058         _transmitter_list[name] = transmitter ;
00059         return true ;
00060     }
00061     return false ;
00062 }
00063 
00064 bool
00065 BESReturnManager::del_transmitter( const string &name )
00066 {
00067     bool ret = false ;
00068     BESReturnManager::Transmitter_iter i ;
00069     i = _transmitter_list.find( name ) ;
00070     if( i != _transmitter_list.end() )
00071     {
00072         BESTransmitter *obj = (*i).second;
00073         _transmitter_list.erase( i ) ;
00074         if( obj ) delete obj ;
00075         ret = true ;
00076     }
00077     return ret ;
00078 }
00079 
00080 BESTransmitter *
00081 BESReturnManager::find_transmitter( const string &name )
00082 {
00083     BESReturnManager::Transmitter_citer i ;
00084     i = _transmitter_list.find( name ) ;
00085     if( i != _transmitter_list.end() )
00086     {
00087         return (*i).second;
00088     }
00089     return 0 ;
00090 }
00091 
00099 void
00100 BESReturnManager::dump( ostream &strm ) const
00101 {
00102     strm << BESIndent::LMarg << "BESReturnManager::dump - ("
00103                              << (void *)this << ")" << endl ;
00104     BESIndent::Indent() ;
00105     if( _transmitter_list.size() )
00106     {
00107         strm << BESIndent::LMarg << "registered transmitters:" << endl ;
00108         BESIndent::Indent() ;
00109         BESReturnManager::Transmitter_citer i = _transmitter_list.begin() ;
00110         BESReturnManager::Transmitter_citer ie = _transmitter_list.end() ;
00111         for( ; i != ie; i++ )
00112         {
00113             strm << BESIndent::LMarg << (*i).first << endl ;
00114             BESIndent::Indent() ;
00115             (*i).second->dump( strm ) ;
00116             BESIndent::UnIndent() ;
00117         }
00118         BESIndent::UnIndent() ;
00119     }
00120     else
00121     {
00122         strm << BESIndent::LMarg << "registered transmitters: none" << endl ;
00123     }
00124     BESIndent::UnIndent() ;
00125 }
00126 
00127 BESReturnManager *
00128 BESReturnManager::TheManager()
00129 {
00130     if( _instance == 0 )
00131     {
00132         _instance = new BESReturnManager ;
00133     }
00134     return _instance ;
00135 }
00136 

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