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package node;

import java.lang.reflect.Constructor;

import java.lang.reflect.Method;

public abstract class MethodCallBaton {

public static Object newInstance(Constructor<?> ctor, Object[] args) throws Exception {

return ctor.newInstance(args);

}

public static Object invokeMethod(Method func, Object obj, Object[] args) throws Exception {

func.setAccessible(true);

return func.invoke(obj, args);

}

public static Object invokeMethod9(Method func, Object obj, Object[] args) throws Exception {

if (!func.canAccess(obj)) {

Method accessible = findAccessible(func, obj, func.getDeclaringClass());

if (accessible != null) {

func = accessible;

}

}

return func.invoke(obj, args);

}

private static Method findAccessible(Method func, Object obj, Class<?> clazz) {

Method accessible = null;

if (clazz != null) {

try {

accessible = clazz.getMethod(func.getName(), func.getParameterTypes());

accessible = accessible.canAccess(obj) ? accessible : null;

} catch (Exception ignored) {

accessible = null;

}

if (accessible == null) {

accessible = findAccessible(func, obj, clazz.getSuperclass());

}

if (accessible == null) {

for (Class<?> iface : clazz.getInterfaces()) {

accessible = findAccessible(func, obj, iface);

if (accessible != null) {

break;

}

}

}

}

return accessible;

}

}