private ModelClassConstructor getBestMatchingConstructor()

in src/main/java/org/apache/sling/models/impl/ModelAdapterFactory.java [807:830]

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

    private <ModelType> ModelClassConstructor<ModelType> getBestMatchingConstructor(Object adaptable, ModelClass<ModelType> type) {
        ModelClassConstructor<ModelType>[] constructors = type.getConstructors();

        for (ModelClassConstructor<ModelType> constructor : constructors) {
            // first try to find the constructor with most parameters and @Inject annotation
            if (constructor.hasInjectAnnotation()) {
                return constructor;
            }
            // compatibility mode for sling models implementation <= 1.0.6:
            // support constructor without @Inject if it has exactly one parameter matching the adaptable class
            final Class<?>[] paramTypes = constructor.getConstructor().getParameterTypes();
            if (paramTypes.length == 1) {
                Class<?> paramType = constructor.getConstructor().getParameterTypes()[0];
                if (paramType.isInstance(adaptable)) {
                    return constructor;
                }
            }
            // if no constructor for injection found use public constructor without any params
            if (constructor.getConstructor().getParameterTypes().length == 0) {
                return constructor;
            }
        }
        return null;
    }