[DICA] Exportar JTable para PDF

itext-2.1.7.jar

import com.lowagie.text.Document;
import com.lowagie.text.Element;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfWriter;
import java.awt.Color;
import java.io.FileOutputStream;
import javax.swing.JTable;

/**
 *
 * @author wilson
 */
public class BaseReport {

    private String titleReport;
    private String[] nameHeaders;
    private JTable jTable;  

    public BaseReport(String reportTitle, String[] headerNames) {
        this.titleReport = reportTitle;
        this.nameHeaders = headerNames;
    }

    public void runReport(JTable jtable, String pathSaveFile, String fileName) throws Exception {
        this.jTable = jtable;

        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(pathSaveFile + "/" + fileName + ".pdf"));
        document.open();
        document.add(getPdfPTable());
        document.close();

    }

    private PdfPTable getPdfPTable() throws Exception {
        PdfPTable tab = new PdfPTable(nameHeaders.length);
        tab.addCell(getCellTitle());

        for (int i = 0; i < nameHeaders.length; i++) {
            tab.addCell(nameHeaders[i]);
        }

        int rowCount = jTable.getRowCount();
        int collumCount = jTable.getColumnCount();
        for (int x = 0; x < rowCount; x++) {
            for (int y = 0; y < collumCount; y++) {

                tab.addCell(GetData(jTable, x, y).toString());
            }

        }
        return tab;
    }

    private Object GetData(JTable table, int row_index, int col_index) throws Exception {
        return table.getModel().getValueAt(row_index, col_index);
    }

    private PdfPCell getCellTitle() {

        PdfPCell cell = new PdfPCell(new Paragraph(titleReport));
        cell.setColspan(4);
        cell.setHorizontalAlignment(Element.ALIGN_CENTER);
        cell.setBackgroundColor(Color.GREEN);
        return cell;
    }
}

BaseReport report = new BaseReport(String CabecalhoDoRelatorio, new String[]{"Nome", "Endereço"});
           report.runReport(JTable,String caminho, String nomeDoArquivo);