content: /*
   * Copyright (C) 2015 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.annotation.Annotation;
  import java.lang.reflect.InvocationHandler;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Constructor;
  import java.lang.reflect.Field;
  import java.lang.reflect.Method;
  import java.lang.reflect.Proxy;
  import java.util.Arrays;
  import java.util.Comparator;
  
  /**
   * Test invoking a proxy method from native code.
   */
  
  interface NativeInterface {
      public void callback();
  }
  
  public class NativeProxy {
  
      public static void main(String[] args) {
          System.loadLibrary(args[0]);
  
          try {
              NativeInterface inf = (NativeInterface)Proxy.newProxyInstance(
                      NativeProxy.class.getClassLoader(),
                      new Class[] { NativeInterface.class },
                      new NativeInvocationHandler());
  
              nativeCall(inf);
          } catch (Exception exc) {
              throw new RuntimeException(exc);
          }
      }
  
      public static class NativeInvocationHandler implements InvocationHandler {
          public Object invoke(final Object proxy,
                               final Method method,
                               final Object[] args) throws Throwable {
              System.out.println(method.getName());
              return null;
          }
      }
  
      public static native void nativeCall(NativeInterface inf);
  }
  