BeanUtils.java

class BeanUtils {
    public static <E, T> E covert(T src, Class<E> target) {
        if (src == null) {
            return null;
        }
        Method[] srcMethods = src.getClass().getMethods();
        Method[] targetMethods = target.getMethods();

        E targetObject = null;
        try {
            targetObject = target.newInstance();
            for (Method m : srcMethods) {
                String srcMethodName = m.getName();
                if (srcMethodName.startsWith("get")) {
                    String targetMethodName = "set" + srcMethodName.substring(3);

                    for (Method mm : targetMethods) {
                        if (targetMethodName.equals(mm.getName()) &&
                                mm.getParameterTypes()[0].isAssignableFrom(m.getReturnType())) {
                            Object res = m.invoke(src);
                            mm.invoke(targetObject, res);
                            break;
                        }
                    }
                }
            }
        } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
            logger.error("Covert Object failed ", e);
        }

        return targetObject;
    }
}