/**

  * SQL-DK

  * Copyright © 2013 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.sql.dk.formatting;

 import java.sql.ResultSetMetaData;

 import java.sql.SQLException;

 import java.util.ArrayList;

 import java.util.List;

 /**

  *

  * @author Ing. František Kučera (frantovo.cz)

  */

 public class ColumnsHeader {

 	private final ResultSetMetaData metaData;

 	public ColumnsHeader(ResultSetMetaData metaData) {

 		this.metaData = metaData;

 	}

 	public int getColumnCount() {

 		try {

 			return metaData.getColumnCount();

 		} catch (SQLException e) {

 			throw new IllegalStateException("Error during getting column count.", e);

 		}

 	}

 	public List<ColumnDescriptor> getColumnDescriptors() {

 		try {

 			int count = metaData.getColumnCount();

 			List<ColumnDescriptor> list = new ArrayList<>(count);

 			for (int i = 1; i <= count; i++) {

 				ColumnDescriptor cd = new ColumnDescriptor();

 				cd.setFirstColumn(i == 1);

 				cd.setLastColumn(i == count);

 				cd.setColumnNumber(i);

 				cd.setLabel(metaData.getColumnLabel(i));

 				cd.setName(metaData.getColumnName(i));

 				cd.setType(metaData.getColumnType(i));

 				cd.setTypeName(metaData.getColumnTypeName(i));

 				cd.setTableName(metaData.getTableName(i));

 				list.add(cd);

 			}

 			return list;

 		} catch (SQLException e) {

 			throw new IllegalStateException("Error during building column descriptors.", e);

 		}

 	}

 }