/*
 * 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 org.skife.jdbi.v2.util;

import org.skife.jdbi.v2.StatementContext;
import org.skife.jdbi.v2.tweak.ResultColumnMapper;

import java.net.URI;
import java.net.URISyntaxException;
import java.sql.ResultSet;
import java.sql.SQLException;

public enum URIColumnMapper implements ResultColumnMapper<URI> {
    INSTANCE;

    @Override
    public URI mapColumn(ResultSet r, int columnNumber, StatementContext ctx) throws SQLException {
        return uriFromString(r.getString(columnNumber));
    }

    @Override
    public URI mapColumn(ResultSet r, String columnLabel, StatementContext ctx) throws SQLException {
        return uriFromString(r.getString(columnLabel));
    }

    public static URI uriFromString(String s) throws SQLException {
        try {
            return (s != null) ? (new URI(s)) : null;
        } catch(URISyntaxException e) {
            throw new SQLException("Failed to convert data to URI", e);
        }
    }
}