| /* |
| * Copyright 2000-2010 JetBrains s.r.o. |
| * 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. |
| */ |
| package git4idea.history.wholeTree; |
| |
| import com.intellij.openapi.application.ApplicationManager; |
| |
| import java.lang.reflect.InvocationHandler; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Proxy; |
| |
| /** |
| * @author irengrig |
| */ |
| public class AssertProxy<T> { |
| private final T myProxy; |
| private final T myVictim; |
| private final static Runnable AWT_ASSERTION = new Runnable() { |
| @Override |
| public void run() { |
| ApplicationManager.getApplication().assertIsDispatchThread(); |
| } |
| }; |
| |
| public static<T> T create(final T victim, final Runnable assertor) { |
| return new AssertProxy<T>(victim, assertor).getProxy(); |
| } |
| |
| public static<T> T createAWTAccess(final T victim) { |
| return new AssertProxy<T>(victim, AWT_ASSERTION).getProxy(); |
| } |
| |
| private AssertProxy(final T victim, final Runnable assertor) { |
| myVictim = victim; |
| final Class<T> clazz = (Class<T>) victim.getClass(); |
| assert clazz.isInterface(); |
| |
| myProxy = (T) Proxy.newProxyInstance(clazz.getClassLoader(), |
| new Class[]{clazz}, |
| new InvocationHandler() { |
| @Override |
| public Object invoke(Object proxy, Method method, Object[] args) throws Throwable { |
| assertor.run(); |
| method.setAccessible(true); |
| return method.invoke(myVictim, args); |
| } |
| }); |
| } |
| |
| public T getProxy() { |
| return myProxy; |
| } |
| } |