public static void readFully()

in src/main/java/org/apache/commons/crypto/utils/IoUtils.java [90:101]

• 12 lines of code
• 3 McCabe index (conditional complexity)

    public static void readFully(final InputStream in, final byte[] buf, int off, final int len)
            throws IOException {
        int toRead = len;
        while (toRead > 0) {
            final int ret = in.read(buf, off, toRead);
            if (ret < 0) {
                throw new IOException("Premature EOF from inputStream");
            }
            toRead -= ret;
            off += ret;
        }
    }