Examples of RASInputStream

com.itextpdf.text.io.RASInputStream
An input stream that uses a RandomAccessSource as it's underlying source @since 5.3.5

Examples of com.itextpdf.text.io.RASInputStream

     * <p>
     * @return the document bytes that are hashable
     */
    public InputStream getRangeStream() throws IOException {
      RandomAccessSourceFactory fac = new RandomAccessSourceFactory();
        return new RASInputStream(fac.createRanged(getUnderlyingSource(), range));
    }

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Examples of com.itextpdf.text.io.RASInputStream

    private void updateByteRange(PdfPKCS7 pkcs7, PdfDictionary v) {
        PdfArray b = v.getAsArray(PdfName.BYTERANGE);
        RandomAccessFileOrArray rf = reader.getSafeFile();
      InputStream rg = null;
        try {
          rg = new RASInputStream(new RandomAccessSourceFactory().createRanged(rf.createSourceView(), b.asLongArray()));
            byte buf[] = new byte[8192];
            int rd;
            while ((rd = rg.read(buf, 0, buf.length)) > 0) {
                pkcs7.update(buf, 0, rd);
            }

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Examples of com.itextpdf.text.io.RASInputStream

        field = getTranslatedFieldName(field);
        if (!sigNames.containsKey(field))
            return null;
        int length = sigNames.get(field)[0];
        RandomAccessFileOrArray raf = reader.getSafeFile();
        return new RASInputStream(new WindowRandomAccessSource(raf.createSourceView(), 0, length));
    }

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Examples of com.itextpdf.text.io.RASInputStream

        PdfArray b = v.getAsArray(PdfName.BYTERANGE);
        long[] gaps = b.asLongArray();
        if (b.size() != 4 || gaps[0] != 0)
            throw new DocumentException("Single exclusion space supported");
        RandomAccessSource readerSource = reader.getSafeFile().createSourceView();
        InputStream rg = new RASInputStream(new RandomAccessSourceFactory().createRanged(readerSource, gaps));
        byte[] signedContent = externalSignatureContainer.sign(rg);
        int spaceAvailable = (int)(gaps[2] - gaps[1]) - 2;
        if ((spaceAvailable & 1) != 0)
            throw new DocumentException("Gap is not a multiple of 2");
        spaceAvailable /= 2;

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