java/sql-dk/src/main/java/info/globalcode/sql/dk/formatting/ColumnsHeader.java
branchv_0
changeset 238 4a1864c3e867
parent 39 be8db46a38c3
child 245 b6ff5b7a8422
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/java/sql-dk/src/main/java/info/globalcode/sql/dk/formatting/ColumnsHeader.java	Mon Mar 04 20:15:24 2019 +0100
     1.3 @@ -0,0 +1,70 @@
     1.4 +/**
     1.5 + * SQL-DK
     1.6 + * Copyright © 2013 František Kučera (frantovo.cz)
     1.7 + *
     1.8 + * This program is free software: you can redistribute it and/or modify
     1.9 + * it under the terms of the GNU General Public License as published by
    1.10 + * the Free Software Foundation, either version 3 of the License, or
    1.11 + * (at your option) any later version.
    1.12 + *
    1.13 + * This program is distributed in the hope that it will be useful,
    1.14 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    1.16 + * GNU General Public License for more details.
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License
    1.19 + * along with this program. If not, see <http://www.gnu.org/licenses/>.
    1.20 + */
    1.21 +package info.globalcode.sql.dk.formatting;
    1.22 +
    1.23 +import java.sql.ResultSetMetaData;
    1.24 +import java.sql.SQLException;
    1.25 +import java.util.ArrayList;
    1.26 +import java.util.List;
    1.27 +
    1.28 +/**
    1.29 + *
    1.30 + * @author Ing. František Kučera (frantovo.cz)
    1.31 + */
    1.32 +public class ColumnsHeader {
    1.33 +	
    1.34 +	private ResultSetMetaData metaData;
    1.35 +	
    1.36 +	public ColumnsHeader(ResultSetMetaData metaData) {
    1.37 +		this.metaData = metaData;
    1.38 +	}
    1.39 +	
    1.40 +	public int getColumnCount() {
    1.41 +		try {
    1.42 +			return metaData.getColumnCount();
    1.43 +		} catch (SQLException e) {
    1.44 +			throw new IllegalStateException("Error during getting column count.", e);
    1.45 +		}
    1.46 +	}
    1.47 +	
    1.48 +	public List<ColumnDescriptor> getColumnDescriptors() {
    1.49 +		try {
    1.50 +			int count = metaData.getColumnCount();
    1.51 +			List<ColumnDescriptor> list = new ArrayList<>(count);
    1.52 +			
    1.53 +			for (int i = 1; i <= count; i++) {
    1.54 +				ColumnDescriptor cd = new ColumnDescriptor();
    1.55 +				
    1.56 +				cd.setFirstColumn(i == 1);
    1.57 +				cd.setLastColumn(i == count);
    1.58 +				cd.setColumnNumber(i);
    1.59 +				
    1.60 +				cd.setLabel(metaData.getColumnLabel(i));
    1.61 +				cd.setName(metaData.getColumnName(i));
    1.62 +				cd.setType(metaData.getColumnType(i));
    1.63 +				cd.setTypeName(metaData.getColumnTypeName(i));
    1.64 +				/** TODO: more properties */
    1.65 +				list.add(cd);
    1.66 +			}
    1.67 +			
    1.68 +			return list;
    1.69 +		} catch (SQLException e) {
    1.70 +			throw new IllegalStateException("Error during building column descriptors.", e);
    1.71 +		}
    1.72 +	}
    1.73 +}