Method isAssignableFrom

java/jakarta/el/Util.java:367–398

(Class<?> src, Class<?> target)

     * This method duplicates code in org.apache.el.util.ReflectionUtil. When making changes keep the code in sync.
     */
    static boolean isAssignableFrom(Class<?> src, Class<?> target) {
        // src will always be an object
        // Short-cut. null is always assignable to an object and in EL null
        // can always be coerced to a valid value for a primitive
        if (src == null) {
            return true;
        }

        Class<?> targetClass;
        if (target.isPrimitive()) {
            if (target == Boolean.TYPE) {
                targetClass = Boolean.class;
            } else if (target == Character.TYPE) {
                targetClass = Character.class;
            } else if (target == Byte.TYPE) {
                targetClass = Byte.class;
            } else if (target == Short.TYPE) {
                targetClass = Short.class;
            } else if (target == Integer.TYPE) {
                targetClass = Integer.class;
            } else if (target == Long.TYPE) {
                targetClass = Long.class;
            } else if (target == Float.TYPE) {
                targetClass = Float.class;
            } else {
                targetClass = Double.class;
            }
        } else {
            targetClass = target;
        }
        return targetClass.isAssignableFrom(src);
    }


    /*