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MethodCallBaton.java
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56 lines (44 loc) · 1.67 KB
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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;
}
}