wireguard-android/app/src/main/java/com/wireguard/android/util/ExceptionLoggers.java
Jason A. Donenfeld 7645ea15c4 global: Prefix tags with WireGuard/
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2018-01-08 20:29:51 +01:00

39 lines
1.1 KiB
Java

package com.wireguard.android.util;
import android.util.Log;
import java9.util.concurrent.CompletionException;
import java9.util.function.BiConsumer;
/**
* Helpers for logging exceptions from asynchronous tasks. These can be passed to
* {@code CompletionStage.whenComplete()} at the end of an asynchronous future chain.
*/
public enum ExceptionLoggers implements BiConsumer<Object, Throwable> {
D(Log.DEBUG),
E(Log.ERROR);
private static final String TAG = "WireGuard/" + ExceptionLoggers.class.getSimpleName();
private final int priority;
ExceptionLoggers(final int priority) {
this.priority = priority;
}
public static Throwable unwrap(final Throwable throwable) {
if (throwable instanceof CompletionException)
return throwable.getCause();
return throwable;
}
@Override
public void accept(final Object result, final Throwable throwable) {
if (throwable != null)
Log.println(Log.ERROR, TAG, Log.getStackTraceString(throwable));
else if (priority <= Log.DEBUG)
Log.println(priority, TAG, "Future completed successfully");
}
}