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Merge "Propagate exception thrown by ContentProvider.getType" into rvc-dev

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This commit is contained in:
Dmitri Plotnikov
2020-03-25 17:24:31 +00:00
committed by Android (Google) Code Review
parent 2f54a864d5 be61c4468c
commit f903ef10e5
4 changed files with 72 additions and 2 deletions
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19
core/java/android/content/ContentProvider.java
View File

@@ -47,6 +47,7 @@ import android.os.Bundle;
import android.os.CancellationSignal;
import android.os.IBinder;
import android.os.ICancellationSignal;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.os.Process;
import android.os.RemoteCallback;
@@ -303,7 +304,23 @@ public abstract class ContentProvider implements ContentInterface, ComponentCall
@Override
public void getTypeAsync(Uri uri, RemoteCallback callback) {
final Bundle result = new Bundle();
result.putString(ContentResolver.REMOTE_CALLBACK_RESULT, getType(uri));
try {
result.putString(ContentResolver.REMOTE_CALLBACK_RESULT, getType(uri));
} catch (Exception e) {
Parcel parcel = Parcel.obtain();
try {
try {
parcel.writeException(e);
} catch (Exception ex) {
// getType threw an unparcelable exception. Wrap the message into
// a parcelable exception type
parcel.writeException(new IllegalStateException(e.getMessage()));
}
result.putByteArray(ContentResolver.REMOTE_CALLBACK_ERROR, parcel.marshall());
} finally {
parcel.recycle();
}
}
callback.sendResult(result);
}

41
core/java/android/content/ContentResolver.java
View File

@@ -55,6 +55,7 @@ import android.os.DeadObjectException;
import android.os.IBinder;
import android.os.ICancellationSignal;
import android.os.OperationCanceledException;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.os.RemoteCallback;
import android.os.RemoteException;
@@ -735,6 +736,9 @@ public abstract class ContentResolver implements ContentInterface {
/** @hide */
public static final String REMOTE_CALLBACK_RESULT = "result";
/** @hide */
public static final String REMOTE_CALLBACK_ERROR = "error";
/**
* How long we wait for an attached process to publish its content providers
* before we decide it must be hung.
@@ -874,6 +878,9 @@ public abstract class ContentResolver implements ContentInterface {
final StringResultListener resultListener = new StringResultListener();
provider.getTypeAsync(url, new RemoteCallback(resultListener));
resultListener.waitForResult(CONTENT_PROVIDER_TIMEOUT_MILLIS);
if (resultListener.exception != null) {
throw resultListener.exception;
}
return resultListener.result;
} catch (RemoteException e) {
// Arbitrary and not worth documenting, as Activity
@@ -898,6 +905,9 @@ public abstract class ContentResolver implements ContentInterface {
resolveUserId(url),
new RemoteCallback(resultListener));
resultListener.waitForResult(REMOTE_CONTENT_PROVIDER_TIMEOUT_MILLIS);
if (resultListener.exception != null) {
throw resultListener.exception;
}
return resultListener.result;
} catch (RemoteException e) {
// We just failed to send a oneway request to the System Server. Nothing to do.
@@ -915,15 +925,41 @@ public abstract class ContentResolver implements ContentInterface {
@GuardedBy("this")
public T result;
@GuardedBy("this")
public RuntimeException exception;
@Override
public void onResult(Bundle result) {
synchronized (this) {
this.result = getResultFromBundle(result);
this.exception = getExceptionFromBundle(result);
if (this.exception == null) {
this.result = getResultFromBundle(result);
}
done = true;
notifyAll();
}
}
private RuntimeException getExceptionFromBundle(Bundle result) {
byte[] bytes = result.getByteArray(REMOTE_CALLBACK_ERROR);
if (bytes == null) {
return null;
}
Parcel parcel = Parcel.obtain();
try {
parcel.unmarshall(bytes, 0, bytes.length);
parcel.setDataPosition(0);
parcel.readException();
} catch (RuntimeException ex) {
return ex;
} finally {
parcel.recycle();
}
return null;
}
protected abstract T getResultFromBundle(Bundle result);
public void waitForResult(long timeout) {
@@ -1250,6 +1286,9 @@ public abstract class ContentResolver implements ContentInterface {
provider.canonicalizeAsync(mPackageName, mAttributionTag, url,
new RemoteCallback(resultListener));
resultListener.waitForResult(CONTENT_PROVIDER_TIMEOUT_MILLIS);
if (resultListener.exception != null) {
throw resultListener.exception;
}
return resultListener.result;
} catch (RemoteException e) {
// Arbitrary and not worth documenting, as Activity