BESDataHandlerInterface.cc

// BESDataHandlerInterface.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 "BESDataHandlerInterface.h"
#include "BESContainer.h"
#include "BESResponseHandler.h"
#include "BESInfo.h"
#include "BESIndent.h"
 
using std::endl;
using std::list;
using std::ostream;

void BESDataHandlerInterface::make_copy(const BESDataHandlerInterface &copy_from)
{
    clone(copy_from);
}

void BESDataHandlerInterface::clone(const BESDataHandlerInterface &copy_from)
{
#if 0
    // Added because this can be called from make_copy() which is public.
    // jhrg 4/18/14
    // I removed this because I think it's bogus but having it here confuses
    // coverity into thinking that parts of the object built be the copy ctor
    // might be uninitialized. All of the NCML handler tests pass with this
    // modification. jhrg 9/17/15
    if (this == &copy_from)
        return;
#endif
    output_stream = copy_from.output_stream;
    response_handler = copy_from.response_handler;
 
    containers = copy_from.containers;
    containers_iterator = copy_from.containers_iterator;
    container = copy_from.container;
 
    action = copy_from.action;
    action_name = copy_from.action_name;
    executed = copy_from.executed;
 
    transmit_protocol = copy_from.transmit_protocol;
 
    // I do this because clang 5 (on OSX 10.9) will remove everything from 'data'
    // if copy_from.data and 'data' are the same object. Since the ncml handler uses
    // make_copy() and may be using a reference to a DHI and/or the DHI's 'data' map,
    // I'm leaving the test in here. That is, it could be building a new DHI instance
    // that uses a reference to an existing 'data' field and then assign the original
    // DHI instance to the new one. The DHIs are different, but the 'data' map are
    // not. jhrg 4/18/14
    if (&data != &copy_from.data)
        data = copy_from.data;
 
    error_info = copy_from.error_info;
}
 
BESDataHandlerInterface::BESDataHandlerInterface(const BESDataHandlerInterface &from)
{
    clone(from);
}
 
BESDataHandlerInterface &
BESDataHandlerInterface::operator=(const BESDataHandlerInterface &rhs)
{
    if (&rhs == this) {
        return *this;
    }
 
    clone(rhs);
 
    return *this;
}

void BESDataHandlerInterface::clean()
{
    if (response_handler) {
        delete response_handler;
    }
    response_handler = nullptr;
}

BESResponseObject *
BESDataHandlerInterface::get_response_object()
{
    BESResponseObject *response = 0;
 
    if (response_handler) {
        response = response_handler->get_response_object();
    }
    return response;
}

void BESDataHandlerInterface::dump(ostream &strm) const
{
    strm << BESIndent::LMarg << "BESDataHandlerInterface::dump" << endl;
    BESIndent::Indent();
    if (response_handler) {
        strm << BESIndent::LMarg << "response handler:" << endl;
        BESIndent::Indent();
        response_handler->dump(strm);
        BESIndent::UnIndent();
    }
    else {
        strm << BESIndent::LMarg << "response handler: not set" << endl;
    }
 
    if (container) {
        strm << BESIndent::LMarg << "current container:" << endl;
        BESIndent::Indent();
        container->dump(strm);
        BESIndent::UnIndent();
    }
    else {
        strm << BESIndent::LMarg << "current container: not set" << endl;
    }
 
    if (containers.size()) {
        strm << BESIndent::LMarg << "container list:" << endl;
        BESIndent::Indent();
        list<BESContainer *>::const_iterator i = containers.begin();
        list<BESContainer *>::const_iterator ie = containers.end();
        for (; i != ie; i++) {
            (*i)->dump(strm);
        }
        BESIndent::UnIndent();
    }
    else {
        strm << BESIndent::LMarg << "container list: empty" << endl;
    }
 
    strm << BESIndent::LMarg << "action: " << action << endl;
    strm << BESIndent::LMarg << "action name: " << action_name << endl;
    strm << BESIndent::LMarg << "transmit protocol: " << transmit_protocol << endl;
    if (data.size()) {
        strm << BESIndent::LMarg << "data:" << endl;
        BESIndent::Indent();
        data_citer i = data.begin();
        data_citer ie = data.end();
        for (; i != ie; i++) {
            strm << BESIndent::LMarg << (*i).first << ": " << (*i).second << endl;
        }
        BESIndent::UnIndent();
    }
    else {
        strm << BESIndent::LMarg << "data: none" << endl;
    }
 
    if (error_info) {
        strm << BESIndent::LMarg << "error info:" << endl;
        BESIndent::Indent();
        error_info->dump(strm);
        BESIndent::UnIndent();
    }
    else {
        strm << BESIndent::LMarg << "error info: null" << endl;
    }
    BESIndent::UnIndent();
}