//
// Copyright (C) 2007 Refractions Research, Inc. 
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of version 2.1 of the GNU Lesser
// General Public License as published by the Free Software Foundation.
// 
// 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 St, Fifth Floor, Boston, MA 02110-1301 USA
//
#include "stdafx.h"
#include "PostGisProvider.h"
#include "PgSpatialRefSysReader.h"

namespace fdo { namespace postgis {

PgSpatialRefSysReader::PgSpatialRefSysReader(Connection* conn) : mConn(conn)
{
    FDO_SAFE_ADDREF(mConn.p);

    ValidateConnectionState();
}

PgSpatialRefSysReader::~PgSpatialRefSysReader()
{
}

///////////////////////////////////////////////////////////////////////////////
// FdoIDisposable interface
///////////////////////////////////////////////////////////////////////////////

void PgSpatialRefSysReader::Dispose()
{
    //FDOLOG_MARKER("PgSpatialRefSysReader::#Dispose");

    // This function might throw, do NOT call from the destructor!
    delete this;
}

///////////////////////////////////////////////////////////////////////////////
// PgSpatialRefSysReader interface
///////////////////////////////////////////////////////////////////////////////

bool PgSpatialRefSysReader::Find(FdoInt32 const& srid)
{
    return 0;
}

///////////////////////////////////////////////////////////////////////////////
// Private operations
///////////////////////////////////////////////////////////////////////////////

void PgSpatialRefSysReader::ValidateConnectionState() const
{
    if (FdoConnectionState_Closed == mConn->GetConnectionState())
    {
        FDOLOG_WRITE("Connection is closed or invalid.");

        throw FdoException::Create(NlsMsgGet(MSG_POSTGIS_CONNECTION_INVALID,
            "Connection is closed or invalid."));
    }
}

}} // namespace fdo::postgis