StethoTree.java

/*
 * Copyright (c) 2014-present, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 */

package com.facebook.stetho.timber;

import android.util.Log;
import com.facebook.stetho.inspector.console.CLog;
import com.facebook.stetho.inspector.console.ConsolePeerManager;
import com.facebook.stetho.inspector.protocol.module.Console;
import timber.log.Timber;

/**
 * Timber tree implementation which forwards logs to the Chrome Dev console.
 * Plant it using {@link Timber#plant(Timber.Tree)}
 * <pre>
 *   {@code
 *   Timber.plant(new StethoTree())
 *   }
 * </pre>
 */
public class StethoTree extends Timber.Tree {
  @Override
  protected void log(int priority, String tag, String message, Throwable t) {

    ConsolePeerManager peerManager = ConsolePeerManager.getInstanceOrNull();
    if (peerManager == null) {
      return;
    }

    Console.MessageLevel logLevel;

    switch (priority) {
      case Log.VERBOSE:
      case Log.DEBUG:
        logLevel = Console.MessageLevel.DEBUG;
        break;
      case Log.INFO:
        logLevel = Console.MessageLevel.LOG;
        break;
      case Log.WARN:
        logLevel = Console.MessageLevel.WARNING;
        break;
      case Log.ERROR:
      case Log.ASSERT:
        logLevel = Console.MessageLevel.ERROR;
        break;
      default:
        logLevel = Console.MessageLevel.LOG;
    }

    CLog.writeToConsole(
        logLevel,
        Console.MessageSource.OTHER,
        message
    );
  }
}