protected int decryptMore()

in src/main/java/org/apache/commons/crypto/stream/CryptoInputStream.java [357:382]

• 19 lines of code
• 5 McCabe index (conditional complexity)

    protected int decryptMore() throws IOException {
        if (finalDone) {
            return EOS;
        }

        final int n = input.read(inBuffer);
        if (n < 0) {
            // The stream is end, finalize the cipher stream
            decryptFinal();

            // Satisfy the read with the remaining
            final int remaining = outBuffer.remaining();
            if (remaining > 0) {
                return remaining;
            }

            // End of the stream
            return EOS;
        }
        if (n == 0) {
            // No data is read, but the stream is not end yet
            return 0;
        }
        decrypt();
        return outBuffer.remaining();
    }