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Java SQL utilities - LHOD

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/*
 * Copyright 2018 National Bank of Belgium
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved
 * by the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 *
 * http://ec.europa.eu/idabc/eupl
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 */
package internal.sql.lhod;

import nbbrd.io.sys.OS;
import nbbrd.service.ServiceProvider;
import nbbrd.sql.odbc.OdbcConnectionSupplierSpi;
import lombok.NonNull;

import java.sql.Connection;
import java.sql.SQLException;

/**
 * @author Philippe Charles
 */
@ServiceProvider(OdbcConnectionSupplierSpi.class)
public final class LhodConnectionSupplier implements OdbcConnectionSupplierSpi {

    private final LhodDriver driver = new LhodDriver();

    @Override
    public @NonNull String getName() {
        return driver.getClass().getName();
    }

    @Override
    public boolean isAvailable() {
        return OS.NAME == OS.Name.WINDOWS;
    }

    @Override
    public int getCost() {
        return HIGH_COST;
    }

    @Override
    public @NonNull Connection getConnection(@NonNull String connectionString) throws SQLException {
        Connection result = driver.connect(LhodDriver.PREFIX + connectionString, null);
        if (result == null) {
            throw new SQLException("Null connection. Wrong kind of driver ?");
        }
        return result;
    }
}