Java 类com.lowagie.text.pdf.BadPdfFormatException 实例源码

@Override
public ByteArrayOutputStream buildPdfOutputStream(byte[] content) throws IOException, DocumentException, BadPdfFormatException {
    List<byte[]> contents = new ArrayList<>();
    contents.add(content);
    return buildPdfOutputStream(contents);
}

/**
 * Generate pdf for sending response using itext
 *
 * @param reportFileFullName
 * @return
 * @throws IOException
 * @throws DocumentException
 * @throws BadPdfFormatException
 */
protected ByteArrayOutputStream generatePdfOutStream(String reportFileFullName) throws IOException, DocumentException, BadPdfFormatException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();

    // we create a reader for a certain document
    PdfReader reader = new PdfReader(reportFileFullName);
    reader.consolidateNamedDestinations();

    // step 1: creation of a document-object
    Document document = new Document(reader.getPageSizeWithRotation(1));
    // step 2: we create a writer that listens to the document
    PdfCopy writer = new PdfCopy(document, baos);
    // step 3: we open the document
    document.open();

    // we retrieve the total number of pages
    int n = reader.getNumberOfPages();

    // step 4: we add content
    PdfImportedPage page;
    for (int i = 0; i < n;) {
        ++i;
        page = writer.getImportedPage(reader, i);
        writer.addPage(page);
    }
    writer.freeReader(reader);

    // step 5: we close the document
    document.close();
    return baos;
}

/**
 * Builds a PDF ByteArrayOutputStream that can be returned in the response.
 *
 * @param content byte[] used to build the PDF output stream
 * @return PDF ByteArrayOutputStream
 * @throws IOException
 * @throws DocumentException
 * @throws BadPdfFormatException
 */
public ByteArrayOutputStream buildPdfOutputStream(byte[] content) throws IOException, DocumentException, BadPdfFormatException;

/**
 * Builds a PDF ByteArrayOutputStream that can be returned in the response.
 *
 * @param contents List of byte arrays used to build the PDF output stream
 * @return PDF ByteArrayOutputStream
 * @throws IOException
 * @throws DocumentException
 * @throws BadPdfFormatException
 */
public ByteArrayOutputStream buildPdfOutputStream(List<byte[]> contents) throws IOException, DocumentException, BadPdfFormatException;