00001 // TheBESKeys.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 Atmostpheric 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 "TheBESKeys.h" 00034 #include "BESKeysException.h" 00035 #include "config.h" 00036 00037 #define BES_CONF getenv("BES_CONF") 00038 00039 BESKeys *TheBESKeys::_instance = 0; 00040 string TheBESKeys::ConfigFile = ""; 00041 00042 BESKeys *TheBESKeys::TheKeys() 00043 { 00044 if (_instance == 0) { 00045 string use_ini = TheBESKeys::ConfigFile; 00046 if (use_ini == "") { 00047 char *ini_file = BES_CONF; 00048 if (!ini_file) { 00049 ini_file = BES_CONF_DIR; 00050 if (!ini_file) { 00051 string s = "Can not load environment variable BES_CONF"; 00052 throw BESKeysException(s, __FILE__, __LINE__); 00053 } else { 00054 use_ini = (string) ini_file + "/bes.conf"; 00055 } 00056 } else { 00057 use_ini = ini_file; 00058 } 00059 } 00060 _instance = new TheBESKeys(use_ini); 00061 } 00062 return _instance; 00063 }