private static void checkIbmJdkWithBrokenUTF16()

in src/main/java/org/apache/commons/io/output/WriterOutputStream.java [186:214]

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

    private static void checkIbmJdkWithBrokenUTF16(final Charset charset) {
        if (!StandardCharsets.UTF_16.name().equals(charset.name())) {
            return;
        }
        final String TEST_STRING_2 = "v\u00e9s";
        final byte[] bytes = TEST_STRING_2.getBytes(charset);

        final CharsetDecoder charsetDecoder2 = charset.newDecoder();
        final ByteBuffer bb2 = ByteBuffer.allocate(16);
        final CharBuffer cb2 = CharBuffer.allocate(TEST_STRING_2.length());
        final int len = bytes.length;
        for (int i = 0; i < len; i++) {
            bb2.put(bytes[i]);
            bb2.flip();
            try {
                charsetDecoder2.decode(bb2, cb2, i == len - 1);
            } catch (final IllegalArgumentException e) {
                throw new UnsupportedOperationException("UTF-16 requested when running on an IBM JDK with broken UTF-16 support. "
                        + "Please find a JDK that supports UTF-16 if you intend to use UF-16 with WriterOutputStream");
            }
            bb2.compact();
        }
        cb2.rewind();
        if (!TEST_STRING_2.equals(cb2.toString())) {
            throw new UnsupportedOperationException("UTF-16 requested when running on an IBM JDK with broken UTF-16 support. "
                    + "Please find a JDK that supports UTF-16 if you intend to use UF-16 with WriterOutputStream");
        }

    }