BESReturnManager.cc

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// BESReturnManager.cc

// This file is part of bes, A C++ back-end server implementation framework
// for the OPeNDAP Data Access Protocol.

// Copyright (c) 2004-2009 University Corporation for Atmospheric Research
// Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact University Corporation for Atmospheric Research at
// 3080 Center Green Drive, Boulder, CO 80301

// (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
// Please read the full copyright statement in the file COPYRIGHT_UCAR.
//
// Authors:
//      pwest       Patrick West <pwest@ucar.edu>
//      jgarcia     Jose Garcia <jgarcia@ucar.edu>

#include "BESReturnManager.h"

BESReturnManager *BESReturnManager::_instance = 0;

BESReturnManager::BESReturnManager()
{
}

BESReturnManager::~BESReturnManager()
{
        BESReturnManager::Transmitter_iter i;
        BESTransmitter *t = 0;
        for (i = _transmitter_list.begin(); i != _transmitter_list.end(); i++) {
                t = (*i).second;
                delete t;
        }
}

bool BESReturnManager::add_transmitter(const string &name, BESTransmitter *transmitter)
{
        if (find_transmitter(name) == 0) {
                _transmitter_list[name] = transmitter;
                return true;
        }
        return false;
}

bool BESReturnManager::del_transmitter(const string &name)
{
        bool ret = false;
        BESReturnManager::Transmitter_iter i;
        i = _transmitter_list.find(name);
        if (i != _transmitter_list.end()) {
                BESTransmitter *obj = (*i).second;
                _transmitter_list.erase(i);
                if (obj) delete obj;
                ret = true;
        }
        return ret;
}

BESTransmitter *
BESReturnManager::find_transmitter(const string &name)
{
        BESReturnManager::Transmitter_citer i;
        i = _transmitter_list.find(name);
        if (i != _transmitter_list.end()) {
                return (*i).second;
        }
        return 0;
}

void BESReturnManager::dump(ostream &strm) const
{
        strm << BESIndent::LMarg << "BESReturnManager::dump - (" << (void *) this << ")" << endl;
        BESIndent::Indent();
        if (_transmitter_list.size()) {
                strm << BESIndent::LMarg << "registered transmitters:" << endl;
                BESIndent::Indent();
                BESReturnManager::Transmitter_citer i = _transmitter_list.begin();
                BESReturnManager::Transmitter_citer ie = _transmitter_list.end();
                for (; i != ie; i++) {
                        strm << BESIndent::LMarg << (*i).first << endl;
                        BESIndent::Indent();
                        (*i).second->dump(strm);
                        BESIndent::UnIndent();
                }
                BESIndent::UnIndent();
        }
        else {
                strm << BESIndent::LMarg << "registered transmitters: none" << endl;
        }
        BESIndent::UnIndent();
}

BESReturnManager *
BESReturnManager::TheManager()
{
        if (_instance == 0) {
                _instance = new BESReturnManager;
        }
        return _instance;
}