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
17package android.os;
18
19import android.util.AndroidException;
20
21/**
22 * Parent exception for all Binder remote-invocation errors
23 */
24public class RemoteException extends AndroidException {
25    public RemoteException() {
26        super();
27    }
28
29    public RemoteException(String message) {
30        super(message);
31    }
32
33    /** @hide */
34    public RemoteException(String message, Throwable cause, boolean enableSuppression,
35            boolean writableStackTrace) {
36        super(message, cause, enableSuppression, writableStackTrace);
37    }
38
39    /** {@hide} */
40    public RuntimeException rethrowAsRuntimeException() {
41        throw new RuntimeException(this);
42    }
43
44    /**
45     * Rethrow this exception when we know it came from the system server. This
46     * gives us an opportunity to throw a nice clean
47     * {@link DeadSystemException} signal to avoid spamming logs with
48     * misleading stack traces.
49     * <p>
50     * Apps making calls into the system server may end up persisting internal
51     * state or making security decisions based on the perceived success or
52     * failure of a call, or any default values returned. For this reason, we
53     * want to strongly throw when there was trouble with the transaction.
54     *
55     * @hide
56     */
57    public RuntimeException rethrowFromSystemServer() {
58        if (this instanceof DeadObjectException) {
59            throw new RuntimeException(new DeadSystemException());
60        } else {
61            throw new RuntimeException(this);
62        }
63    }
64}
65