java/sql-dk/src/info/globalcode/sql/dk/formatting/ColumnsHeader.java
branchv_0
changeset 238 4a1864c3e867
parent 237 7e08730da258
child 239 39e6c2ad3571
equal deleted inserted replaced
237:7e08730da258 238:4a1864c3e867
     1 /**
       
     2  * SQL-DK
       
     3  * Copyright © 2013 František Kučera (frantovo.cz)
       
     4  *
       
     5  * This program is free software: you can redistribute it and/or modify
       
     6  * it under the terms of the GNU General Public License as published by
       
     7  * the Free Software Foundation, either version 3 of the License, or
       
     8  * (at your option) any later version.
       
     9  *
       
    10  * This program is distributed in the hope that it will be useful,
       
    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
       
    13  * GNU General Public License for more details.
       
    14  *
       
    15  * You should have received a copy of the GNU General Public License
       
    16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
       
    17  */
       
    18 package info.globalcode.sql.dk.formatting;
       
    19 
       
    20 import java.sql.ResultSetMetaData;
       
    21 import java.sql.SQLException;
       
    22 import java.util.ArrayList;
       
    23 import java.util.List;
       
    24 
       
    25 /**
       
    26  *
       
    27  * @author Ing. František Kučera (frantovo.cz)
       
    28  */
       
    29 public class ColumnsHeader {
       
    30 	
       
    31 	private ResultSetMetaData metaData;
       
    32 	
       
    33 	public ColumnsHeader(ResultSetMetaData metaData) {
       
    34 		this.metaData = metaData;
       
    35 	}
       
    36 	
       
    37 	public int getColumnCount() {
       
    38 		try {
       
    39 			return metaData.getColumnCount();
       
    40 		} catch (SQLException e) {
       
    41 			throw new IllegalStateException("Error during getting column count.", e);
       
    42 		}
       
    43 	}
       
    44 	
       
    45 	public List<ColumnDescriptor> getColumnDescriptors() {
       
    46 		try {
       
    47 			int count = metaData.getColumnCount();
       
    48 			List<ColumnDescriptor> list = new ArrayList<>(count);
       
    49 			
       
    50 			for (int i = 1; i <= count; i++) {
       
    51 				ColumnDescriptor cd = new ColumnDescriptor();
       
    52 				
       
    53 				cd.setFirstColumn(i == 1);
       
    54 				cd.setLastColumn(i == count);
       
    55 				cd.setColumnNumber(i);
       
    56 				
       
    57 				cd.setLabel(metaData.getColumnLabel(i));
       
    58 				cd.setName(metaData.getColumnName(i));
       
    59 				cd.setType(metaData.getColumnType(i));
       
    60 				cd.setTypeName(metaData.getColumnTypeName(i));
       
    61 				/** TODO: more properties */
       
    62 				list.add(cd);
       
    63 			}
       
    64 			
       
    65 			return list;
       
    66 		} catch (SQLException e) {
       
    67 			throw new IllegalStateException("Error during building column descriptors.", e);
       
    68 		}
       
    69 	}
       
    70 }