public int read()

in src/main/java/org/apache/commons/crypto/stream/CryptoInputStream.java [543:571]

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

    public int read(final ByteBuffer dst) throws IOException {
        checkStream();
        int remaining = outBuffer.remaining();
        if (remaining <= 0) {
            // Decrypt more data
            // we loop for new data
            int nd = 0;
            while (nd == 0) {
                nd = decryptMore();
            }

            if (nd < 0) {
                return EOS;
            }
        }

        // Copy decrypted data from outBuffer to dst
        remaining = outBuffer.remaining();
        final int toRead = dst.remaining();
        if (toRead <= remaining) {
            final int limit = outBuffer.limit();
            outBuffer.limit(outBuffer.position() + toRead);
            dst.put(outBuffer);
            outBuffer.limit(limit);
            return toRead;
        }
        dst.put(outBuffer);
        return remaining;
    }