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Non-accessible class methods accessor (Java)
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| class Accessor { | |
| private static final MethodHandle methodHandle; | |
| private static final String METHOD_NAME = "methodName"; | |
| static { | |
| try { | |
| val declaredMethod = Target.class.getDeclaredMethod(METHOD_NAME); | |
| declaredMethod.setAccessible(true); | |
| methodHandle = MethodHandles.lookup() | |
| .unreflect(declaredMethod) | |
| .asType(MethodType.methodType(ReturnType.class, Target.class)); | |
| } catch (NoSuchMethodException | IllegalAccessException e) { | |
| throw new RuntimeException(e); | |
| } | |
| } | |
| @SneakyThrows | |
| public static ReturnType method(Target target) { | |
| //noinspection unchecked | |
| return (ReturnType) methodHandle.invokeExact(target); | |
| } | |
| } |
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