Apache POI Excel Cell Properties

Sometimes we want to create a spreadsheet with basic styles and then apply special styles to certain cells such as drawing borders around a range of cells or setting fills for a region. Apache POI provides CellUtil.setCellProperties which allows us to do that without creating a bunch of unnecessary intermediate styles in our spreadsheet.

Properties are created as a Map and applied to a cell.

Lets see an example in which we are applying special styles to certain cell.

Apache POI Excel Cell Properties Example

package poiexample;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.HashMap;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellUtil;
public class CellPropertiesExample {
	public static void main(String[] args) {
		try (OutputStream os = new FileOutputStream("Javatpoint.xls")) {
			 Workbook workbook = new HSSFWorkbook();
			 Sheet sheet = workbook.createSheet("Sheet");
			 HashMap<String, Object> properties = new HashMap<String, Object>();
			 // Set border around the cell
			 properties.put(CellUtil.BORDER_TOP, BorderStyle.MEDIUM);
			 properties.put(CellUtil.BORDER_BOTTOM, BorderStyle.MEDIUM);
			 properties.put(CellUtil.BORDER_LEFT, BorderStyle.MEDIUM);
			 properties.put(CellUtil.BORDER_RIGHT, BorderStyle.MEDIUM);
			 // Set color Red
			 properties.put(CellUtil.TOP_BORDER_COLOR, IndexedColors.RED.getIndex());
			 properties.put(CellUtil.BOTTOM_BORDER_COLOR, IndexedColors.RED.getIndex());
			 properties.put(CellUtil.LEFT_BORDER_COLOR, IndexedColors.RED.getIndex());
			 properties.put(CellUtil.RIGHT_BORDER_COLOR, IndexedColors.RED.getIndex());
			 // Apply the borders to the cell
			 Row row   = sheet.createRow(2);
			 Cell cell = row.createCell(2);
			 CellUtil.setCellStyleProperties(cell, properties);
			 // Apply the borders to a 3x3 region starting at D4
			 for (int i=3; i <= 5; i++) {
			   row = sheet.createRow(i);
			   for (int j = 3; j <= 5; j++) {
			     cell = row.createCell(j);
			     CellUtil.setCellStyleProperties(cell, properties);
			   }
			 }
			 workbook.write(os);
		}catch(Exception e) {
			System.out.println(e.getMessage());
		}
	}
}

Output:

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