45 lines
1.3 KiB
Java
45 lines
1.3 KiB
Java
/*
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* Copyright © 2018 Samuel Holland <samuel@sholland.org>
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* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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package com.wireguard.android.util;
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import android.util.Log;
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import java9.util.concurrent.CompletionException;
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import java9.util.function.BiConsumer;
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/**
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* Helpers for logging exceptions from asynchronous tasks. These can be passed to
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* {@code CompletionStage.whenComplete()} at the end of an asynchronous future chain.
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*/
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public enum ExceptionLoggers implements BiConsumer<Object, Throwable> {
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D(Log.DEBUG),
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E(Log.ERROR);
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private static final String TAG = "WireGuard/" + ExceptionLoggers.class.getSimpleName();
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private final int priority;
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ExceptionLoggers(final int priority) {
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this.priority = priority;
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}
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public static Throwable unwrap(final Throwable throwable) {
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if (throwable instanceof CompletionException)
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return throwable.getCause();
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return throwable;
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}
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@Override
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public void accept(final Object result, final Throwable throwable) {
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if (throwable != null)
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Log.println(Log.ERROR, TAG, Log.getStackTraceString(throwable));
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else if (priority <= Log.DEBUG)
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Log.println(priority, TAG, "Future completed successfully");
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}
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}
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