/**
 * Copyright 2013-2014 Guoqiang Chen, Shanghai, China. All rights reserved.
 *
 * Email: subchen@gmail.com
 * URL: http://subchen.github.io/
 *
 * 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 jetbrick.dao.orm.mappers;

import java.sql.*;
import java.util.Map;
import jetbrick.collections.CaseInsensitiveHashMap;
import jetbrick.dao.orm.RowMapper;

public class MapRowMapper implements RowMapper<Map<String, Object>> {

    @Override
    public Map<String, Object> handle(ResultSet rs) throws SQLException {
        Map<String, Object> result = new CaseInsensitiveHashMap<Object>();
        ResultSetMetaData rsmd = rs.getMetaData();
        int cols = rsmd.getColumnCount();

        for (int i = 1; i <= cols; i++) {
            String columnName = rsmd.getColumnLabel(i);
            if (columnName == null || columnName.length() == 0) {
                columnName = rsmd.getColumnName(i);
            }
            result.put(columnName, rs.getObject(i));
        }

        return result;
    }

}