You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.8 KiB
54 lines
1.8 KiB
7 months ago
|
/*
|
||
|
|
* Copyright 2016 The Android Open Source Project
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
import java.lang.reflect.Constructor;
|
||
|
|
import java.lang.reflect.InvocationHandler;
|
||
|
|
import java.lang.reflect.Method;
|
||
|
|
import java.lang.reflect.Proxy;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Tests proxies when used with constructor methods.
|
||
|
|
*/
|
||
|
|
class ConstructorProxy implements InvocationHandler {
|
||
|
|
public static void main() {
|
||
|
|
try {
|
||
|
|
new ConstructorProxy().runTest();
|
||
|
|
} catch (Exception e) {
|
||
|
|
System.out.println("Unexpected failure occured");
|
||
|
|
e.printStackTrace(System.out);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public void runTest() throws Exception {
|
||
|
|
Class<?> proxyClass = Proxy.getProxyClass(
|
||
|
|
getClass().getClassLoader(),
|
||
|
|
new Class<?>[] { Runnable.class }
|
||
|
|
);
|
||
|
|
Constructor<?> constructor = proxyClass.getConstructor(InvocationHandler.class);
|
||
|
|
System.out.println("Found constructor.");
|
||
|
|
// We used to crash when asking the exception types of the constructor, because the runtime was
|
||
|
|
// not using the non-proxy ArtMethod
|
||
|
|
Object[] exceptions = constructor.getExceptionTypes();
|
||
|
|
System.out.println("Found constructors with " + exceptions.length + " exceptions");
|
||
|
|
}
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
|
||
|
|
return args[0];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|