| /* |
| * Copyright (C) 2014 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. |
| */ |
| package android.hardware.camera2.dispatch; |
| |
| import android.hardware.camera2.utils.UncheckedThrow; |
| import android.util.Log; |
| |
| import java.lang.reflect.InvocationTargetException; |
| import java.lang.reflect.Method; |
| |
| import static com.android.internal.util.Preconditions.*; |
| |
| |
| public class InvokeDispatcher<T> implements Dispatchable<T> { |
| |
| private static final String TAG = "InvocationSink"; |
| private final T mTarget; |
| |
| public InvokeDispatcher(T target) { |
| mTarget = checkNotNull(target, "target must not be null"); |
| } |
| |
| @Override |
| public Object dispatch(Method method, Object[] args) { |
| try { |
| return method.invoke(mTarget, args); |
| } catch (InvocationTargetException e) { |
| Throwable t = e.getTargetException(); |
| // Potential UB. Hopefully 't' is a runtime exception. |
| UncheckedThrow.throwAnyException(t); |
| } catch (IllegalAccessException e) { |
| // Impossible |
| Log.wtf(TAG, "IllegalAccessException while invoking " + method, e); |
| } catch (IllegalArgumentException e) { |
| // Impossible |
| Log.wtf(TAG, "IllegalArgumentException while invoking " + method, e); |
| } |
| |
| // unreachable |
| return null; |
| } |
| } |