protected void doSet()

in gshell-support/gshell-clp/src/main/java/org/apache/geronimo/gshell/clp/setter/CollectionFieldSetter.java [70:105]

• 28 lines of code
• 7 McCabe index (conditional complexity)

    protected void doSet(final Object value) throws IllegalAccessException {
        Object obj = field.get(bean);

        // If the field is not set, then create a new instance of the collection and set it
        if (obj == null) {
            Class type = field.getType();

            if (List.class.isAssignableFrom(type)) {
                obj = new ArrayList();
            }
            else if (Set.class.isAssignableFrom(type)) {
                obj = new LinkedHashSet();
            }
            else if (Collection.class.isAssignableFrom(type)) {
                obj = new ArrayList();
            }
            else {
                try {
                    obj = type.newInstance();
                }
                catch (Exception e) {
                    throw new IllegalAnnotationError("Unsupported collection type: " + field.getType(), e);
                }
            }

            field.set(bean, obj);
        }

        // This should never happen
        if (!(obj instanceof Collection)) {
            throw new IllegalAnnotationError("Field is not a collection type: " + field);
        }

        // noinspection unchecked
        ((Collection)obj).add(value);
    }