/*
 * Copyright 2008-2009 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.hasor.db.types.handler;
import java.sql.*;
import java.time.Instant;

/**
 * @since 3.4.5
 * @author Tomas Rohovsky
 */
public class InstantTypeHandler extends AbstractTypeHandler<Instant> {
    @Override
    public void setNonNullParameter(PreparedStatement ps, int i, Instant parameter, JDBCType jdbcType) throws SQLException {
        ps.setTimestamp(i, Timestamp.from(parameter));
    }

    @Override
    public Instant getNullableResult(ResultSet rs, String columnName) throws SQLException {
        Timestamp timestamp = rs.getTimestamp(columnName);
        return getInstant(timestamp);
    }

    @Override
    public Instant getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
        Timestamp timestamp = rs.getTimestamp(columnIndex);
        return getInstant(timestamp);
    }

    @Override
    public Instant getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
        Timestamp timestamp = cs.getTimestamp(columnIndex);
        return getInstant(timestamp);
    }

    private static Instant getInstant(Timestamp timestamp) {
        if (timestamp != null) {
            return timestamp.toInstant();
        }
        return null;
    }
}