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// -*- mode: c++; c-basic-offset:4 -*-
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// This file is part of libdap, A C++ implementation of the OPeNDAP Data
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// Access Protocol.
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// Copyright (c) 2013 OPeNDAP, Inc.
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// Author: James Gallagher <jgallagher@opendap.org>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
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#ifndef _d4connect_h
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#define _d4connect_h
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#include <string>
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#define DAP4_CE_QUERY_KEY "dap4.ce"
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namespace libdap
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{
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class HTTPConnect;
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class DMR;
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class Response;
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class D4Connect
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{
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private:
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HTTPConnect *d_http;
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bool d_local; // Is this a local connection?
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std::string d_URL; // URL to remote dataset (minus CE)
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std::string d_UrlQueryString; // CE
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std::string d_server; // Server implementation information (the XDAP-Server header)
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std::string d_protocol; // DAP protocol from the server (XDAP)
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void process_data(DMR &data, Response &rs);
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void process_dmr(DMR &data, Response &rs);
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// Use when you cannot use but have a complete response with MIME headers
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void parse_mime(Response &rs);
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std::string build_dap4_ce(const std::string requestSuffix, const std::string expr);
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protected:
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/** @name Suppress the C++ defaults for these. */
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D4Connect();
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D4Connect(const D4Connect &);
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D4Connect &operator=(const D4Connect &);
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public:
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D4Connect(const std::string &url, std::string uname = "", std::string password = "");
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virtual ~D4Connect();
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bool is_local() const { return d_local; }
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virtual std::string URL() const { return d_URL; }
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virtual std::string CE() const { return d_UrlQueryString; }
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void set_credentials(std::string u, std::string p);
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void set_accept_deflate(bool deflate);
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void set_xdap_protocol(int major, int minor);
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void set_cache_enabled(bool enabled);
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bool is_cache_enabled();
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void set_xdap_accept(int major, int minor);
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/** Return the protocol/implementation version of the most recent
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response. This is a poorly designed method, but it returns
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information that is useful when used correctly. Before a response is
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made, this contains the std::string "unknown." This should ultimately hold
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the \e protocol version; it currently holds the \e implementation
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version.
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@see get_protocol()
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@deprecated */
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std::string get_version() { return d_server; }
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/** Return the DAP protocol version of the most recent
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response. Before a response is made, this contains the std::string "2.0."
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*/
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std::string get_protocol() { return d_protocol; }
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virtual void request_dmr(DMR &dmr, const std::string expr = "");
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virtual void request_dap4_data(DMR &dmr, const std::string expr = "");
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#if 0
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virtual void request_version();
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#endif
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virtual void read_dmr(DMR &dmr, Response &rs);
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virtual void read_dmr_no_mime(DMR &dmr, Response &rs);
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virtual void read_data(DMR &data, Response &rs);
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virtual void read_data_no_mime(DMR &data, Response &rs);
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};
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} // namespace libdap
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#endif // _d4connect_h
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