Java DocumentException類代碼示例

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
/**
 * <a href="http://itext.2136553.n4.nabble.com/trying-to-remove-a-signature-from-pdf-file-tt4660983.html">
 * trying to remove a signature from pdf file
 * </a>
 * <br/>
 * <a href="http://itext.2136553.n4.nabble.com/attachment/4660983/0/PDFSignedFirmaCerta.pdf">
 * PDFSignedFirmaCerta.pdf
 * </a>
 * <p>
 * Indeed, this code fails with a {@link NullPointerException}. The cause is that a dubious construct
 * created by the signature software then is processed by iText code not sufficiently defensively programmed:
 * The signature claims to have an annotation on a page but that page does claim not to have any anotations
 * at all.
 * </p>
 */
@Test
public void testRemoveSignatureFromPDFSignedFirmaCerta() throws IOException, GeneralSecurityException, DocumentException
{
    try (   InputStream inputStream = getClass().getResourceAsStream("PDFSignedFirmaCerta.pdf");
            OutputStream outputStream = new FileOutputStream(new File(RESULT_FOLDER, "PDFSignedFirmaCerta-withoutSig.pdf")))
    {
        Provider provider = new BouncyCastleProvider();
        Security.addProvider(provider);

        PdfReader reader = new PdfReader(inputStream, null);
        AcroFields af = reader.getAcroFields();
        ArrayList<String> names = af.getSignatureNames();
        for (String name : names) {
            System.out.println("Signature name: " + name);
            System.out.println("Signature covers whole document: " + af.signatureCoversWholeDocument(name));
            PdfPKCS7 pk = af.verifySignature(name, provider.getName());
            System.out.println("SignatureDate: " + pk.getSignDate());
            System.out.println("Certificate: " + pk.getSigningCertificate());
            System.out.println("Document modified: " + !pk.verify());
            af.removeField(name);
        }
        PdfStamper stamper = new PdfStamper(reader, outputStream, '\0');
        stamper.close();
    }
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
/**
 * <a href="http://stackoverflow.com/questions/34394199/i-cant-rotate-my-page-from-existing-pdf">
 * I can't rotate my page from existing PDF
 * </a>
 * <p>
 * Switching between portrait and landscape like this obviously will cut off some parts of the page.
 * </p>
 */
@Test
public void testSwitchOrientation() throws DocumentException, IOException
{
    try (InputStream resourceStream = getClass().getResourceAsStream("/mkl/testarea/itext5/extract/n2013.00849449.pdf"))
    {
        PdfReader reader = new PdfReader(resourceStream);
        int n = reader.getNumberOfPages();
        PdfDictionary pageDict;
        for (int i = 1; i <= n; i++) {
            Rectangle rect = reader.getPageSize(i);
            Rectangle crop = reader.getCropBox(i);
            pageDict = reader.getPageN(i);
            pageDict.put(PdfName.MEDIABOX, new PdfArray(new float[] {rect.getBottom(), rect.getLeft(), rect.getTop(), rect.getRight()}));
            pageDict.put(PdfName.CROPBOX, new PdfArray(new float[] {crop.getBottom(), crop.getLeft(), crop.getTop(), crop.getRight()}));
        }
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(new File(RESULT_FOLDER, "n2013.00849449-switch.pdf")));
        stamper.close();
        reader.close();
    }
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
/**
 * Update NDA file with visitor name and visitor signature.
 * 
 * @param destFile 
 * @param signatureImage signature file
 * @param visitorName
 * @return File
 */
public static File build(Path destFile, File signatureImage, String visitorName) {
	try {
		PdfReader pdfReader = new PdfReader(ndaUrl);
		PdfStamper pdfStamper = new PdfStamper(pdfReader,
				new FileOutputStream(destFile.toString()));
		Image image = createNDAImage(signatureImage, 0, 0);
		PdfContentByte over = pdfStamper.getOverContent(5);
		over.addImage(image);
		PdfContentByte pdfContentByte = pdfStamper.getOverContent(5);
		pdfContentByte.beginText();
		pdfContentByte.setFontAndSize(BaseFont.createFont
				(BaseFont.HELVETICA, 
						BaseFont.CP1257, 
						BaseFont.EMBEDDED
						)
				, 10); 
		pdfContentByte.setTextMatrix(112, 428); 
		pdfContentByte.showText(visitorName);
		pdfContentByte.setTextMatrix(89, 406);
		pdfContentByte.showText(new SimpleDateFormat("E, dd MMM yyyy").format(new Date()));
		pdfContentByte.endText();
		pdfStamper.close();
		return destFile.toFile();
	} catch (IOException | DocumentException | NumberFormatException e) {
		logger.error("Exception while generating NDA file. ",e);
		return null;
	}
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
public void createPDF(String outputFile, ArrayList<Question> qlist, boolean showCorrectAnswer,
        PageCounter pagecounter, int maximumPageNumber, String inputFolder) throws DocumentException, IOException
{
    _inputFolder = inputFolder;
    Document document = new Document(PageSize.A4, 50, 50, 70, 50);
    PdfWriter pdfwriter = PdfWriter.getInstance(document, new FileOutputStream(outputFile));

    pdfwriter.setBoxSize("art", new Rectangle(36, 54, 559, 788));

    pdfwriter.setPageEvent(new HeaderFooter(maximumPageNumber));

    if (pagecounter != null)
    {
        pdfwriter.setPageEvent(pagecounter);
    }

    document.open();

    Paragraph p = new Paragraph();
    // p.setSpacingBefore(SPACING);
    p.setSpacingAfter(SPACING);
    p.setIndentationLeft(INDENTATION);

    writeQuestions(p, document, showCorrectAnswer, qlist);

    document.close();

}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
private BaseFont getIdentityFont(String fontPath,ApplicationContext applicationContext) throws DocumentException,IOException {
	if(!fontPath.startsWith(ApplicationContext.CLASSPATH_URL_PREFIX)){
		fontPath=ApplicationContext.CLASSPATH_URL_PREFIX+fontPath;
	}
	String fontName = fontPath;
	int lastSlashPos=fontPath.lastIndexOf("/");
	if(lastSlashPos!=-1){
		fontName = fontPath.substring(lastSlashPos+1,fontPath.length());			
	}
	if (fontName.toLowerCase().endsWith(".ttc")) {
		fontName = fontName + ",0";
	}
	InputStream inputStream=null;
	try{
		inputStream=applicationContext.getResource(fontPath).getInputStream();
		byte[] bytes = IOUtils.toByteArray(inputStream);
		BaseFont baseFont = BaseFont.createFont(fontName, BaseFont.IDENTITY_H,BaseFont.EMBEDDED,true,bytes,null);
		baseFont.setSubset(true);
		return baseFont;			
	}finally{
		if(inputStream!=null)inputStream.close();
	}
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
private static void addTitlePage(Document document,Resolucion res)
    throws DocumentException {
  Paragraph preface = new Paragraph();
  // We add one empty line
  addEmptyLine(preface, 1);
  // Lets write a big header
  preface.add(new Paragraph("Consejo Profesional de Informatica de Santiago del Estero", catFont));

  addEmptyLine(preface, 1);
  // Will create: Report generated by: _name, _date
  preface.add(new Paragraph( "Comision Directiva del Consejo, " + new Date(), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
      smallBold));
  addEmptyLine(preface, 2);
  preface.add(new Paragraph("Resolucion N°"+res.getNumero_resolucion()+"",
      smallBold));

  addEmptyLine(preface, 3);

  preface.add(new Paragraph("Esta Resolucion de tipo "+res.getTipo()+" formulada para notificar al socio con legajo: "+res.getLegajo_socio()+" de su actual estado como socio del Consejo.\n"
          + res.getDescripcion_solicitud()+" "+res.getDescripcion_resolucion()+" en la fecha "+res.getFecha(),
      cuerpo));

  document.add(preface);
  // Start a new page
  document.newPage();
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
public void print(String plot_pdf) {
	try {
		float width = jframe.getSize().width,
				height = jframe.getSize().height;
		Document document = new Document(new Rectangle(width, height));
		PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(plot_pdf));
		document.open();
		PdfContentByte canvas = writer.getDirectContent();
		PdfTemplate template = canvas.createTemplate(width, height);
		Graphics2D g2d = new PdfGraphics2D(template, width, height);
		jframe.paint(g2d);
		g2d.dispose();
		canvas.addTemplate(template, 0, 0);
		document.close();
	} catch (FileNotFoundException | DocumentException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
public List<byte[]> split(byte[] input) throws IOException, DocumentException {
    PdfReader pdfReader = new PdfReader(input);
    List<byte[]> pdfFiles = new ArrayList<>();
    int pageCount = pdfReader.getNumberOfPages();
    int pageIndex = 0;
    while (++pageIndex <= pageCount) {
        Document document = new Document(pdfReader.getPageSizeWithRotation(pageIndex));
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        PdfCopy pdfCopy = new PdfSmartCopy(document, byteArrayOutputStream);
        pdfCopy.setFullCompression();
        PdfImportedPage pdfImportedPage = pdfCopy.getImportedPage(pdfReader, pageIndex);
        document.open();
        pdfCopy.addPage(pdfImportedPage);
        document.close();
        pdfCopy.close();
        pdfFiles.add(byteArrayOutputStream.toByteArray());
    }
    return pdfFiles;
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
/**
 * <a href="http://stackoverflow.com/questions/32162759/columntext-showtextaligned-vs-columntext-setsimplecolumn-top-alignment">
 * ColumnText.ShowTextAligned vs ColumnText.SetSimpleColumn Top Alignment
 * </a>
 * <p>
 * Indeed, the coordinates do not line up. The y coordinate of 
 * {@link ColumnText#showTextAligned(PdfContentByte, int, Phrase, float, float, float)}
 * denotes the baseline while {@link ColumnText#setSimpleColumn(Rectangle)} surrounds
 * the text to come.
 * </p>
 */
@Test
public void testShowTextAlignedVsSimpleColumnTopAlignment() throws DocumentException, IOException
{
    Document document = new Document(PageSize.A4);

    PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(new File(RESULT_FOLDER, "ColumnTextTopAligned.pdf")));
    document.open();

    Font fontQouteItems = new Font(BaseFont.createFont(), 12);
    PdfContentByte canvas = writer.getDirectContent();

    // Item Number
    ColumnText.showTextAligned(canvas, Element.ALIGN_CENTER, new Phrase("36222-0", fontQouteItems), 60, 450, 0);

    // Estimated Qty
    ColumnText.showTextAligned(canvas, Element.ALIGN_CENTER, new Phrase("47", fontQouteItems), 143, 450, 0);

    // Item Description
    ColumnText ct = new ColumnText(canvas); // Uses a simple column box to provide proper text wrapping
    ct.setSimpleColumn(new Rectangle(193, 070, 390, 450));
    ct.setText(new Phrase("In-Situ : Poly Cable - 100'\nPoly vented rugged black gable 100ft\nThis is an additional description. It can wrap an extra line if it needs to so this text is long.", fontQouteItems));
    ct.go();

    document.close();
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
@FXML
public void generateFileAction(ActionEvent actionEvent) {
    FileChooser saveChooser = new FileChooser();
    Window stage = ((Node) actionEvent.getSource()).getScene().getWindow();
    saveChooser.setTitle("Zapisz plik");
    saveChooser.setInitialDirectory(new File(System.getProperty("user.home")));
    saveChooser.setSelectedExtensionFilter(new FileChooser.ExtensionFilter("PDF file", "*.pdf"));
    saveChooser.setInitialFileName("faktura.pdf");
    File file = saveChooser.showSaveDialog(stage);
    if (file != null) {
        try {
            updateData();
            model.setInvoiceData(invoiceData);
            model.setReceiverData(receiverData);
            model.setSenderData(senderData);
            model.generatePDF(file);
        } catch (IOException | DocumentException e) {
            Dialog dialog = new Dialog<>();
            dialog.getDialogPane().getButtonTypes().add(new ButtonType("Ok", ButtonBar.ButtonData.OK_DONE));
            dialog.setContentText("Wystąpił błąd podczas próby zapisu");
            dialog.showAndWait();
        }
    }
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
@RequestMapping(value = "/exportNotebook")
public ResponseEntity<byte[]> downloadNotebook(@RequestParam(value = "type") String type, @RequestParam(value = "notebookId") int notebookId, HttpSession session) throws IOException, DocumentException{
    String leftPath = session.getServletContext().getRealPath("/temp/");
    //在服務器端生成zip文件
    File file = downloadService.downloadNotebook(notebookId, type, leftPath);
    //將文件返回給用戶
    HttpHeaders headers = downloadService.genHttpHeaders(notebookId, type, "notebook");
    ResponseEntity<byte[]> result = new ResponseEntity<byte[]>(FileUtils.readFileToByteArray(file), headers, HttpStatus.CREATED);
    file.delete();
    return result;
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
public File downloadNote(int noteId, String type, String leftPath)throws IOException, DocumentException {
    Note note = noteDao.getNoteById(noteId);
    String currentVersion = note.getHistory().get(note.getVersionPointer());
    JsonObject obj = new JsonParser().parse(currentVersion).getAsJsonObject();
    String content = obj.get("content").getAsString();
    String htmlPath = leftPath + "htmlTemp.html";
    File file = new File(htmlPath);
    file.createNewFile();
    FileWriter writer = new FileWriter(file);
    writer.write("<body>" + content + "</body>");
    writer.close();
    if(type.equals("pdf")) {
        String pdfPath = leftPath + "pdfTemp.pdf";
        File pdfFile = new File(pdfPath);
        exportUtil.htmlToPdf(htmlPath, pdfFile);
        file.delete();
        file = pdfFile;
    }
    //default html
    return file;

}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
public File downloadNotebook(int notebookId, String type, String leftPath) throws IOException,DocumentException{
    File tempDir = new File(leftPath + "tempDir");
    String tempPath = leftPath + "tempDir/";
    tempDir.mkdirs();
    ArrayList<Integer> notes = notebookDao.getNotebookById(notebookId).getNotes();
    for(int noteId : notes){
        Note note = noteDao.getNoteById(noteId);
        String currentVersion = note.getHistory().get(note.getVersionPointer());
        JsonObject obj = new JsonParser().parse(currentVersion).getAsJsonObject();
        String content = obj.get("content").getAsString();
        String htmlPath = tempPath + noteId +".html";
        File file = new File(htmlPath);
        file.createNewFile();
        FileWriter writer = new FileWriter(file);
        writer.write("<body>" + content + "</body>");
        writer.close();
        if(type.equals("pdf")) {
            String pdfPath = tempPath + noteId +".pdf";
            File pdfFile = new File(pdfPath);
            exportUtil.htmlToPdf(htmlPath, pdfFile);
            file.delete();
        }
    }
    return exportUtil.compressExe(tempDir, leftPath + "temp.zip");
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
/**
 * Adds a header to every page
 * @see com.itextpdf.text.pdf.PdfPageEventHelper#onEndPage(
 *      com.itextpdf.text.pdf.PdfWriter, com.itextpdf.text.Document)
 */
public void onEndPage(PdfWriter writer, Document document) {
	PdfPTable table = new PdfPTable(3);
	try {
		table.setWidths(new int[]{40,5,10});
		table.setTotalWidth(100);
		table.getDefaultCell().setBorder(Rectangle.NO_BORDER);
		table.getDefaultCell().setHorizontalAlignment(Element.ALIGN_RIGHT);
		Font font=new Font(chineseFont,8);
		font.setColor(new BaseColor(55,55,55));
		Paragraph paragraph=new Paragraph("第   "+writer.getPageNumber()+" 頁   共",font);
		paragraph.setAlignment(Element.ALIGN_RIGHT);
		table.addCell(paragraph);
		Image img=Image.getInstance(total);
		img.scaleAbsolute(28, 28);
		PdfPCell cell = new PdfPCell(img);
		cell.setBorder(Rectangle.NO_BORDER);
		cell.setHorizontalAlignment(Element.ALIGN_CENTER);
		table.addCell(cell);
		PdfPCell c = new PdfPCell(new Paragraph("頁",font));
		c.setHorizontalAlignment(Element.ALIGN_LEFT);
		c.setBorder(Rectangle.NO_BORDER);
		table.addCell(c);
		float center=(document.getPageSize().getWidth())/2-120/2;
		table.writeSelectedRows(0, -1,center,30, writer.getDirectContent());
	}
	catch(DocumentException de) {
		throw new ExceptionConverter(de);
	}
}
 

import com.itextpdf.text.DocumentException; //導入依賴的package包/類
static String writeJChartToFile(JFreeChart chart, File file, FileTypes fileType) throws IOException, DocumentException {
    String fileName = file.getPath();
    switch (fileType) {
        case svg:
            Tools.exportChartAsSVG(chart, new Rectangle(1000, 1000), file);
            break;
        case pdf:
            Tools.exportChartAsPDF(chart, new Rectangle(500, 400), file);
            break;
        case jchart:
            break;
        case csv:
            Tools.exportChartAsCSV(chart, file);
            break;
        default:
            ChartUtilities.saveChartAsPNG(file, chart, 1000, 1000);
            break;
    }
    return fileName;
}