00001 // BESContextManager.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 "BESContextManager.h" 00034 #include "BESInfo.h" 00035 00036 BESContextManager *BESContextManager::_instance = 0 ; 00037 00043 void 00044 BESContextManager::set_context( const string &name, const string &value ) 00045 { 00046 _context_list[name] = value ; 00047 } 00048 00058 string 00059 BESContextManager::get_context( const string &name, bool &found ) 00060 { 00061 string ret ; 00062 found = false ; 00063 BESContextManager::Context_iter i ; 00064 i = _context_list.find( name ) ; 00065 if( i != _context_list.end() ) 00066 { 00067 ret = (*i).second; 00068 found = true ; 00069 } 00070 return ret ; 00071 } 00072 00076 void 00077 BESContextManager::list_context( BESInfo &info ) 00078 { 00079 info.begin_tag( "context_list" ) ; 00080 string name ; 00081 string value ; 00082 BESContextManager::Context_citer i = _context_list.begin() ; 00083 BESContextManager::Context_citer e = _context_list.end() ; 00084 for( ; i != e; i++ ) 00085 { 00086 name = (*i).first ; 00087 value = (*i).second ; 00088 map<string,string> temp_map ; 00089 temp_map["name"] = name ; 00090 info.add_tag( "Context", value, &temp_map ) ; 00091 } 00092 info.end_tag( "context_list" ) ; 00093 } 00094 00102 void 00103 BESContextManager::dump( ostream &strm ) const 00104 { 00105 strm << BESIndent::LMarg << "BESContextManager::dump - (" 00106 << (void *)this << ")" << endl ; 00107 BESIndent::Indent() ; 00108 if( _context_list.size() ) 00109 { 00110 strm << BESIndent::LMarg << "current context:" << endl ; 00111 BESIndent::Indent() ; 00112 BESContextManager::Context_citer i = _context_list.begin() ; 00113 BESContextManager::Context_citer ie = _context_list.end() ; 00114 for( ; i != ie; i++ ) 00115 { 00116 strm << BESIndent::LMarg << (*i).first << ": " << (*i).second 00117 << endl ; 00118 } 00119 BESIndent::UnIndent() ; 00120 } 00121 else 00122 { 00123 strm << BESIndent::LMarg << "no context" << endl ; 00124 } 00125 BESIndent::UnIndent() ; 00126 } 00127 00128 BESContextManager * 00129 BESContextManager::TheManager() 00130 { 00131 if( _instance == 0 ) 00132 { 00133 _instance = new BESContextManager ; 00134 } 00135 return _instance ; 00136 } 00137