NCRequestHandler.h

// -*- mode: c++; c-basic-offset:4 -*-
 
// This file is part of nc_handler, a data handler for the OPeNDAP data
// server.
 
// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This 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 software 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 OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
 
// CDFRequestHandler.h
 
#ifndef I_NCRequestHandler_H
#define I_NCRequestHandler_H 1
 
#include <BESRequestHandler.h>
 
class ObjMemCache;  // in bes/dap
 
namespace libdap {
class DDS;
}
 
class NCRequestHandler: public BESRequestHandler {
private:
    static bool _show_shared_dims;
    static bool _show_shared_dims_set;
 
    static bool _ignore_unknown_types;
    static bool _ignore_unknown_types_set;
 
    static bool _promote_byte_to_short_set;
    static bool _promote_byte_to_short;
    static bool _use_mds;
 
 
    static unsigned int _cache_entries;
    static float _cache_purge_level;
 
    static ObjMemCache *das_cache;
    static ObjMemCache *dds_cache;
    static ObjMemCache *datadds_cache;
    static ObjMemCache *dmr_cache;
 
    static void get_dds_with_attributes(const std::string& dataset_name, const std::string& container_name, libdap::DDS* dds);
    static void get_dds_without_attributes(const std::string& dataset_name, const std::string& container_name, libdap::DDS* dds);
 
public:
    NCRequestHandler(const std::string &name);
    virtual ~NCRequestHandler(void);
 
    static bool nc_build_das(BESDataHandlerInterface &dhi);
    static bool nc_build_dds(BESDataHandlerInterface &dhi);
    static bool nc_build_data(BESDataHandlerInterface &dhi);
    static bool nc_build_dmr(BESDataHandlerInterface &dhi);
    static bool nc_build_help(BESDataHandlerInterface &dhi);
    static bool nc_build_version(BESDataHandlerInterface &dhi);
 
    static bool get_show_shared_dims()
    {
        return _show_shared_dims;
    }
    static bool get_ignore_unknown_types()
    {
        return _ignore_unknown_types;
    }
    static bool get_promote_byte_to_short()
    {
        return _promote_byte_to_short;
    }
    static bool get_use_mds()
    {
        return _use_mds;
    }
    static unsigned int get_cache_entries()
    {
        return _cache_entries;
    }
    static float get_cache_purge_level()
    {
        return _cache_purge_level;
    }
 
    // This handler supports the "not including attributes" in
    // the data access feature. Attributes are generated only
    // if necessary. KY 10/30/19
    void add_attributes(BESDataHandlerInterface &dhi);
 
};
 
#endif