document.ExcelDocument.java Source code

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Here is the source code for document.ExcelDocument.java

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/*
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package document;

import java.io.FileOutputStream;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Date;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

/**
 *
 * @author pekmil
 */
public abstract class ExcelDocument extends Document {

    protected final XSSFWorkbook wb;

    public ExcelDocument(String serverSaveFolder) {
        super(serverSaveFolder);
        this.wb = new XSSFWorkbook();
    }

    @Override
    public boolean generate() {
        try {
            Path savePath = Paths.get(this.serverSaveFolder, this.fileName);
            try (FileOutputStream fileOut = new FileOutputStream(savePath.toFile())) {
                wb.write(fileOut);
            }
            return true;
        } catch (Exception ex) {
            return false;
        }
    }

    protected Sheet addSheet(String sheetName) {
        return wb.createSheet(sheetName);
    }

    protected Row addRow(Sheet sheet, int rowIdx) {
        return sheet.createRow(rowIdx);
    }

    protected Cell addCell(Row row, int cellIdx, String cellData) {
        Cell cell = row.createCell(cellIdx);
        cell.setCellValue(cellData);
        return cell;
    }

    protected Cell addCell(Row row, int cellIdx, double cellData) {
        Cell cell = row.createCell(cellIdx);
        cell.setCellValue(cellData);
        return cell;
    }

    protected Cell addCell(Row row, int cellIdx, Date cellData) {
        Cell cell = row.createCell(cellIdx);
        cell.setCellValue(cellData);
        return cell;
    }

    protected void mergeCellsInRow(Sheet sheet, int rowIdx, int startCellIdx, int span) {
        sheet.addMergedRegion(new CellRangeAddress(rowIdx, rowIdx, startCellIdx, startCellIdx + span - 1));
    }

    protected void autoSizeColumns(Sheet sheet, int length) {
        for (int i = 0; i < length; ++i) {
            sheet.autoSizeColumn(i);
        }
    }

}