public static Writable toWritable()

in mr/src/main/java/org/elasticsearch/hadoop/util/WritableUtils.java [39:119]
80 lines of code
23 McCabe index (conditional complexity)

    public static Writable toWritable(Object object) {
        if (object instanceof Writable) {
            return (Writable) object;
        }
        if (object == null) {
            return NullWritable.get();
        }
        if (object instanceof String) {
            return new Text((String) object);
        }
        if (object instanceof Long) {
            return new VLongWritable((Long) object);
        }
        if (object instanceof Integer) {
            return new VIntWritable((Integer) object);
        }
        if (object instanceof Byte) {
            return new ByteWritable((Byte) object);
        }
        if (object instanceof Short) {
            return WritableCompatUtil.availableShortWritable((Short) object);
        }
        if (object instanceof Double) {
            return new DoubleWritable((Double) object);
        }
        if (object instanceof Float) {
            return new FloatWritable((Float) object);
        }
        if (object instanceof Boolean) {
            return new BooleanWritable((Boolean) object);
        }
        if (object instanceof byte[]) {
            return new BytesWritable((byte[]) object);
        }
        if (object instanceof List) {
            List<Object> list = (List<Object>) object;
            if (!list.isEmpty()) {
                Object first = list.get(0);
                Writable[] content = new Writable[list.size()];
                for (int i = 0; i < content.length; i++) {
                    content[i] = toWritable(list.get(i));
                }
                return new ArrayWritable(toWritable(first).getClass(), content);
            }
            return new ArrayWritable(NullWritable.class, new Writable[0]);
        }
        if (object instanceof SortedSet) {
            SortedMapWritable smap = new SortedMapWritable();
            SortedSet<Object> set = (SortedSet) object;
            for (Object obj : set) {
                smap.put((WritableComparable) toWritable(obj), NullWritable.get());
            }
            return smap;
        }
        if (object instanceof Set) {
            MapWritable map = new MapWritable();
            Set<Object> set = (Set) object;
            for (Object obj : set) {
                map.put(toWritable(obj), NullWritable.get());
            }
            return map;
        }
        if (object instanceof SortedMap) {
            SortedMapWritable smap = new SortedMapWritable();
            Map<Object, Object> map = (Map) object;
            for (Map.Entry<?, ?> entry : map.entrySet()) {
                smap.put((WritableComparable) toWritable(entry.getKey()), toWritable(entry.getValue()));
            }
            return smap;
        }
        if (object instanceof Map) {
            MapWritable result = new MapWritable();
            Map<Object, Object> map = (Map) object;
            for (Map.Entry<?, ?> entry : map.entrySet()) {
                result.put(toWritable(entry.getKey()), toWritable(entry.getValue()));
            }
            return result;
        }
        // fall-back to bytearray
        return new BytesWritable(object.toString().getBytes(StringUtils.UTF_8));
    }