00001 // BESRequestHandler.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 "BESRequestHandler.h" 00034 00050 bool 00051 BESRequestHandler::add_handler( const string &handler_name, 00052 p_request_handler handler_method ) 00053 { 00054 if( find_handler( handler_name ) == 0 ) 00055 { 00056 _handler_list[handler_name] = handler_method ; 00057 return true ; 00058 } 00059 return false ; 00060 } 00061 00069 bool 00070 BESRequestHandler::remove_handler( const string &handler_name ) 00071 { 00072 BESRequestHandler::Handler_iter i ; 00073 i = _handler_list.find( handler_name ) ; 00074 if( i != _handler_list.end() ) 00075 { 00076 _handler_list.erase( i ) ; 00077 return true ; 00078 } 00079 return false ; 00080 } 00081 00092 p_request_handler 00093 BESRequestHandler::find_handler( const string &handler_name ) 00094 { 00095 BESRequestHandler::Handler_citer i ; 00096 i = _handler_list.find( handler_name ) ; 00097 if( i != _handler_list.end() ) 00098 { 00099 return (*i).second; 00100 } 00101 return 0 ; 00102 } 00103 00111 string 00112 BESRequestHandler::get_handler_names() 00113 { 00114 string ret ; 00115 bool first_name = true ; 00116 BESRequestHandler::Handler_citer i = _handler_list.begin() ; 00117 for( ; i != _handler_list.end(); i++ ) 00118 { 00119 if( !first_name ) 00120 ret += ", " ; 00121 ret += (*i).first ; 00122 first_name = false ; 00123 } 00124 return ret ; 00125 } 00126 00134 void 00135 BESRequestHandler::dump( ostream &strm ) const 00136 { 00137 strm << BESIndent::LMarg << "BESRequestHandler::dump - (" 00138 << (void *)this << ")" << endl ; 00139 BESIndent::Indent() ; 00140 strm << BESIndent::LMarg << "name: " << _name << endl ; 00141 if( _handler_list.size() ) 00142 { 00143 strm << BESIndent::LMarg << "registered handler functions:" << endl ; 00144 BESIndent::Indent() ; 00145 BESRequestHandler::Handler_citer i = _handler_list.begin() ; 00146 BESRequestHandler::Handler_citer ie = _handler_list.end() ; 00147 for( ; i != ie; i++ ) 00148 { 00149 strm << BESIndent::LMarg << (*i).first << endl ; 00150 } 00151 BESIndent::UnIndent() ; 00152 } 00153 else 00154 { 00155 strm << BESIndent::LMarg << "registered handler functions: none" << endl ; 00156 } 00157 BESIndent::UnIndent() ; 00158 } 00159