private static boolean isMethodInvocationConvertible()

in compat/maven-model-builder/src/main/java/org/apache/maven/model/interpolation/reflection/MethodMap.java [284:340]
50 lines of code
37 McCabe index (conditional complexity)

    private static boolean isMethodInvocationConvertible(Class<?> formal, Class<?> actual) {
        // if it's a null, it means the arg was null
        if (actual == null && !formal.isPrimitive()) {
            return true;
        }

        // Check for identity or widening reference conversion
        if (actual != null && formal.isAssignableFrom(actual)) {
            return true;
        }

        // Check for boxing with widening primitive conversion. Note that
        // actual parameters are never primitives.
        if (formal.isPrimitive()) {
            if (formal == Boolean.TYPE && actual == Boolean.class) {
                return true;
            }
            if (formal == Character.TYPE && actual == Character.class) {
                return true;
            }
            if (formal == Byte.TYPE && actual == Byte.class) {
                return true;
            }
            if (formal == Short.TYPE && (actual == Short.class || actual == Byte.class)) {
                return true;
            }
            if (formal == Integer.TYPE && (actual == Integer.class || actual == Short.class || actual == Byte.class)) {
                return true;
            }
            if (formal == Long.TYPE
                    && (actual == Long.class
                            || actual == Integer.class
                            || actual == Short.class
                            || actual == Byte.class)) {
                return true;
            }
            if (formal == Float.TYPE
                    && (actual == Float.class
                            || actual == Long.class
                            || actual == Integer.class
                            || actual == Short.class
                            || actual == Byte.class)) {
                return true;
            }
            if (formal == Double.TYPE
                    && (actual == Double.class
                            || actual == Float.class
                            || actual == Long.class
                            || actual == Integer.class
                            || actual == Short.class
                            || actual == Byte.class)) {
                return true;
            }
        }

        return false;
    }