private void decrypt()

in src/main/java/org/apache/commons/crypto/stream/PositionedCryptoInputStream.java [182:201]

• 15 lines of code
• 3 McCabe index (conditional complexity)

    private void decrypt(final CipherState state, final ByteBuffer inByteBuffer,
            final ByteBuffer outByteBuffer, final byte padding) throws IOException {
        Utils.checkState(inByteBuffer.position() >= padding);
        if (inByteBuffer.position() == padding) {
            // There is no real data in inBuffer.
            return;
        }
        inByteBuffer.flip();
        outByteBuffer.clear();
        decryptBuffer(state, inByteBuffer, outByteBuffer);
        inByteBuffer.clear();
        outByteBuffer.flip();
        if (padding > 0) {
            /*
             * The plain text and cipher text have a 1:1 mapping, they start at
             * the same position.
             */
            outByteBuffer.position(padding);
        }
    }