private static long transferTo()

in src/main/java/org/apache/maven/xinclude/stax/XIncludeStreamReader.java [518:534]

• 17 lines of code
• 4 McCabe index (conditional complexity)

    private static long transferTo(Reader in, Writer out) throws IOException {
        Objects.requireNonNull(out, "out");
        long transferred = 0;
        char[] buffer = new char[TRANSFER_BUFFER_SIZE];
        int read;
        while ((read = in.read(buffer, 0, buffer.length)) >= 0) {
            out.write(buffer, 0, read);
            if (transferred < Long.MAX_VALUE) {
                try {
                    transferred = Math.addExact(transferred, read);
                } catch (ArithmeticException ignore) {
                    transferred = Long.MAX_VALUE;
                }
            }
        }
        return transferred;
    }