private Map buildAttributeMap()

in xstream/src/java/com/thoughtworks/xstream/converters/reflection/AbstractAttributedCharacterIteratorAttributeConverter.java [101:135]

35 lines of code
11 McCabe index (conditional complexity)


    private Map<String, T> buildAttributeMap(Class<? extends T> type) {
        final Map<String, T> attributeMap = new HashMap<>();
        final Field instanceMap = Fields.locate(type, Map.class, true);
        if (instanceMap != null) {
            try {
                @SuppressWarnings("unchecked")
                final Map<String, T> map = (Map<String, T>)Fields.read(instanceMap, null);
                if (map != null) {
                    boolean valid = true;
                    for (final Map.Entry<String, T> entry : map.entrySet()) {
                        valid = entry.getKey().getClass() == String.class && entry.getValue().getClass() == type;
                    }
                    if (valid) {
                        attributeMap.putAll(map);
                    }
                }
            } catch (final ObjectAccessException e) {
            }
        }
        if (attributeMap.isEmpty()) {
            try {
                final Field[] fields = type.getDeclaredFields();
                for (final Field field : fields) {
                    if (field.getType() == type == Modifier.isStatic(field.getModifiers())) {
                        @SuppressWarnings("unchecked")
                        final T attribute = (T)Fields.read(field, null);
                        attributeMap.put(toString(attribute), attribute);
                    }
                }
            } catch (final SecurityException | ObjectAccessException | NoClassDefFoundError e) {
                attributeMap.clear();
            }
        }
        return attributeMap;
    }