private static String computeDigest()

in src/main/java/org/apache/sling/installer/provider/jcr/impl/ConfigNodeConverter.java [145:169]

• 23 lines of code
• 6 McCabe index (conditional complexity)

    private static String computeDigest(Dictionary<String, Object> data) {
        try {
            final MessageDigest d = MessageDigest.getInstance("MD5");
            final ByteArrayOutputStream bos = new ByteArrayOutputStream();
            final ObjectOutputStream oos = new ObjectOutputStream(bos);

            final SortedSet<String> sortedKeys = new TreeSet<String>();
            if(data != null) {
                for(Enumeration<String> e = data.keys(); e.hasMoreElements(); ) {
                    final String key = e.nextElement();
                    sortedKeys.add(key);
                }
            }
            for(String key : sortedKeys) {
                oos.writeObject(key);
                oos.writeObject(data.get(key));
            }

            bos.flush();
            d.update(bos.toByteArray());
            return digestToString(d);
        } catch (Exception ignore) {
            return (data != null ? data.toString() : null);
        }
    }