/**
 * SQL-DK
 * Copyright © 2014 František Kučera (frantovo.cz)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, version 3 of the License.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package info.globalcode.jdbc.loopback;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Ing. František Kučera (frantovo.cz)
 */
public class ResultSetMetaData extends AbstractResultSetMetaData {

	private List<ColumnDescriptor> columns = new ArrayList<>();

	public void addColumn(ColumnDescriptor cd) {
		columns.add(cd);
	}

	@Override
	public int getColumnCount() throws SQLException {
		return columns.size();
	}

	@Override
	public String getColumnLabel(int column) throws SQLException {
		return columns.get(column - 1).label;
	}

	@Override
	public String getColumnName(int column) throws SQLException {
		return columns.get(column - 1).name;
	}

	@Override
	public int getColumnType(int column) throws SQLException {
		return columns.get(column - 1).type;
	}

	@Override
	public String getColumnTypeName(int column) throws SQLException {
		return columns.get(column - 1).typeName;
	}

	public static class ColumnDescriptor {

		private final int type;
		private final String typeName;
		private final String label;
		private final String name;

		public ColumnDescriptor(int type, String typeName, String label, String name) {
			this.type = type;
			this.typeName = typeName;
			this.label = label;
			this.name = name;
		}
	}
}