private static String contentsEquals()

in native/src/main/java/org/mvndaemon/mvnd/nativ/MvndNativeLoader.java [122:151]

• 27 lines of code
• 7 McCabe index (conditional complexity)

    private static String contentsEquals(InputStream in1, InputStream in2) throws IOException {
        byte[] buffer1 = new byte[8192];
        byte[] buffer2 = new byte[8192];
        int numRead1;
        int numRead2;
        while (true) {
            numRead1 = readNBytes(in1, buffer1);
            numRead2 = readNBytes(in2, buffer2);
            if (numRead1 > 0) {
                if (numRead2 <= 0) {
                    return "EOF on second stream but not first";
                }
                if (numRead2 != numRead1) {
                    return "Read size different (" + numRead1 + " vs " + numRead2 + ")";
                }
                // Otherwise same number of bytes read
                if (!Arrays.equals(buffer1, buffer2)) {
                    return "Content differs";
                }
                // Otherwise same bytes read, so continue ...
            } else {
                // Nothing more in stream 1 ...
                if (numRead2 > 0) {
                    return "EOF on first stream but not second";
                } else {
                    return null;
                }
            }
        }
    }