public int read()

in src/main/java/org/apache/commons/io/input/ReaderInputStream.java [420:443]

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

    public int read(final byte[] array, int off, int len) throws IOException {
        Objects.requireNonNull(array, "array");
        if (len < 0 || off < 0 || off + len > array.length) {
            throw new IndexOutOfBoundsException("Array size=" + array.length + ", offset=" + off + ", length=" + len);
        }
        int read = 0;
        if (len == 0) {
            return 0; // Always return 0 if len == 0
        }
        while (len > 0) {
            if (encoderOut.hasRemaining()) { // Data from the last read not fully copied
                final int c = Math.min(encoderOut.remaining(), len);
                encoderOut.get(array, off, c);
                off += c;
                len -= c;
                read += c;
            } else if (endOfInput) { // Already reach EOF in the last read
                break;
            } else { // Read again
                fillBuffer();
            }
        }
        return read == 0 && endOfInput ? EOF : read;
    }