public static void copy()

in jsign-core/src/main/java/net/jsign/ChannelUtils.java [49:69]

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

    public static void copy(SeekableByteChannel src, SeekableByteChannel dest, long length) throws IOException {
        ByteBuffer buffer = ByteBuffer.allocate(1024 * 1024);
        long remaining = length;
        long destOffset = dest.position();
        long srcOffset = src.position();
        while (remaining > 0) {
            int avail = (int) Math.min(remaining, buffer.capacity());
            buffer.clear();
            buffer.limit(avail);

            src.position(srcOffset);
            src.read(buffer);
            buffer.flip();

            dest.position(destOffset);
            dest.write(buffer);
            remaining -= buffer.position();
            srcOffset += buffer.position();
            destOffset += buffer.position();
        }
    }