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Rethrow remote's ServiceSpecificException

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Certain system services would like to throw exceptions
with specific error codes, so that the framework can catch
these specific conditions and express them appropriately.

Bug: 25800533
Change-Id: I94b3d30fa131f5e14bba893c971615840085459f
This commit is contained in:
Christopher Wiley
2015-11-22 17:12:37 -08:00
parent 1c9bdfd029
commit 80fd1208b9
2 changed files with 51 additions and 0 deletions
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12
core/java/android/os/Parcel.java
View File

@@ -231,6 +231,7 @@ public final class Parcel {
private static final int VAL_SIZEF = 27;
// The initial int32 in a Binder call's reply Parcel header:
// Keep these in sync with libbinder's binder/Status.h.
private static final int EX_SECURITY = -1;
private static final int EX_BAD_PARCELABLE = -2;
private static final int EX_ILLEGAL_ARGUMENT = -3;
@@ -238,7 +239,11 @@ public final class Parcel {
private static final int EX_ILLEGAL_STATE = -5;
private static final int EX_NETWORK_MAIN_THREAD = -6;
private static final int EX_UNSUPPORTED_OPERATION = -7;
private static final int EX_SERVICE_SPECIFIC = -8;
private static final int EX_HAS_REPLY_HEADER = -128; // special; see below
// EX_TRANSACTION_FAILED is used exclusively in native code.
// see libbinder's binder/Status.h
private static final int EX_TRANSACTION_FAILED = -129;
private static native int nativeDataSize(long nativePtr);
private static native int nativeDataAvail(long nativePtr);
@@ -1515,6 +1520,8 @@ public final class Parcel {
code = EX_NETWORK_MAIN_THREAD;
} else if (e instanceof UnsupportedOperationException) {
code = EX_UNSUPPORTED_OPERATION;
} else if (e instanceof ServiceSpecificException) {
code = EX_SERVICE_SPECIFIC;
}
writeInt(code);
StrictMode.clearGatheredViolations();
@@ -1525,6 +1532,9 @@ public final class Parcel {
throw new RuntimeException(e);
}
writeString(e.getMessage());
if (e instanceof ServiceSpecificException) {
writeInt(((ServiceSpecificException)e).errorCode);
}
}
/**
@@ -1635,6 +1645,8 @@ public final class Parcel {
throw new NetworkOnMainThreadException();
case EX_UNSUPPORTED_OPERATION:
throw new UnsupportedOperationException(msg);
case EX_SERVICE_SPECIFIC:
throw new ServiceSpecificException(readInt(), msg);
}
throw new RuntimeException("Unknown exception code: " + code
+ " msg " + msg);

39
core/java/android/os/ServiceSpecificException.java Normal file
View File

@@ -0,0 +1,39 @@
/*
* 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.
*/
package android.os;
/**
* An exception specific to a service.
*
* <p>This exception includes an error code specific to the throwing
* service. This is mostly used by system services to indicate
* domain specific error conditions.
*
* @hide
*/
public class ServiceSpecificException extends RuntimeException {
public final int errorCode;
ServiceSpecificException(int errorCode, String message) {
super(message);
this.errorCode = errorCode;
}
ServiceSpecificException(int errorCode) {
this.errorCode = errorCode;
}
}