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      1 /*
      2  * Copyright (C) 2006 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.os;
     18 
     19 import android.annotation.UnsupportedAppUsage;
     20 import android.util.AndroidException;
     21 
     22 /**
     23  * Parent exception for all Binder remote-invocation errors
     24  */
     25 public class RemoteException extends AndroidException {
     26     public RemoteException() {
     27         super();
     28     }
     29 
     30     public RemoteException(String message) {
     31         super(message);
     32     }
     33 
     34     /** @hide */
     35     public RemoteException(String message, Throwable cause, boolean enableSuppression,
     36             boolean writableStackTrace) {
     37         super(message, cause, enableSuppression, writableStackTrace);
     38     }
     39 
     40     /** {@hide} */
     41     public RuntimeException rethrowAsRuntimeException() {
     42         throw new RuntimeException(this);
     43     }
     44 
     45     /**
     46      * Rethrow this exception when we know it came from the system server. This
     47      * gives us an opportunity to throw a nice clean
     48      * {@link DeadSystemException} signal to avoid spamming logs with
     49      * misleading stack traces.
     50      * <p>
     51      * Apps making calls into the system server may end up persisting internal
     52      * state or making security decisions based on the perceived success or
     53      * failure of a call, or any default values returned. For this reason, we
     54      * want to strongly throw when there was trouble with the transaction.
     55      *
     56      * @hide
     57      */
     58     @UnsupportedAppUsage
     59     public RuntimeException rethrowFromSystemServer() {
     60         if (this instanceof DeadObjectException) {
     61             throw new RuntimeException(new DeadSystemException());
     62         } else {
     63             throw new RuntimeException(this);
     64         }
     65     }
     66 }
     67