public TemplateModel wrap()

in freemarker-core/src/main/java/freemarker/template/DefaultObjectWrapper.java [188:256]
67 lines of code
25 McCabe index (conditional complexity)

    public TemplateModel wrap(Object obj) throws TemplateModelException {
        if (obj == null) {
            return super.wrap(null);
        }
        if (obj instanceof TemplateModel) {
            return (TemplateModel) obj;
        }
        if (obj instanceof String) {
            return new SimpleScalar((String) obj);
        }
        if (obj instanceof Number) {
            return new SimpleNumber((Number) obj);
        }
        if (obj instanceof java.util.Date) {
            if (obj instanceof java.sql.Date) {
                return new SimpleDate((java.sql.Date) obj);
            }
            if (obj instanceof java.sql.Time) {
                return new SimpleDate((java.sql.Time) obj);
            }
            if (obj instanceof java.sql.Timestamp) {
                return new SimpleDate((java.sql.Timestamp) obj);
            }
            return new SimpleDate((java.util.Date) obj, getDefaultDateType());
        }
        final Class<?> objClass = obj.getClass();
        if (objClass.isArray()) {
            if (useAdaptersForContainers) {
                return DefaultArrayAdapter.adapt(obj, this);
            } else {
                obj = convertArray(obj);
                // Falls through (a strange legacy...)
            }
        }
        if (obj instanceof Collection) {
            if (useAdaptersForContainers) {
                if (obj instanceof List) {
                    return DefaultListAdapter.adapt((List<?>) obj, this);
                } else {
                    return forceLegacyNonListCollections
                            ? new SimpleSequence((Collection<?>) obj, this)
                            : DefaultNonListCollectionAdapter.adapt((Collection<?>) obj, this);
                }
            } else {
                return new SimpleSequence((Collection<?>) obj, this);
            }
        }
        if (obj instanceof Map) {
            return useAdaptersForContainers
                    ? DefaultMapAdapter.adapt((Map<?, ?>) obj, this)
                    : new SimpleHash((Map<?, ?>) obj, this);
        }
        if (obj instanceof Boolean) {
            return obj.equals(Boolean.TRUE) ? TemplateBooleanModel.TRUE : TemplateBooleanModel.FALSE;
        }
        if (obj instanceof Iterator) {
            return useAdaptersForContainers
                    ? DefaultIteratorAdapter.adapt((Iterator<?>) obj, this)
                    : new SimpleCollection((Iterator<?>) obj, this);
        }
        if (useAdapterForEnumerations && obj instanceof Enumeration) {
            return DefaultEnumerationAdapter.adapt((Enumeration<?>) obj, this);
        }        
        if (iterableSupport && obj instanceof Iterable) {
            return DefaultIterableAdapter.adapt((Iterable<?>) obj, this);
        }
        
        return handleUnknownType(obj);
    }