content: /*
   * Copyright (C) 2014 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 dexfuzz;
  
  /**
   * Provides access to the logging facilities of dexfuzz.
   */
  public class Log {
    private static LogTag threshold = LogTag.ERROR;
  
    // Disable the constructor for this class.
    private Log() { }
  
    public static enum LogTag {
      DEBUG,
      INFO,
      WARN,
      ERROR,
      ALWAYS
    }
  
    public static void setLoggingLevel(LogTag tag) {
      threshold = tag;
    }
  
    public static boolean likelyToLog() {
      return (threshold.ordinal() < LogTag.ERROR.ordinal());
    }
  
    public static void debug(String msg) {
      log(LogTag.DEBUG, msg);
    }
  
    public static void info(String msg) {
      log(LogTag.INFO, msg);
    }
  
    public static void warn(String msg) {
      log(LogTag.WARN, msg);
    }
  
    public static void error(String msg) {
      log(LogTag.ERROR, msg);
    }
  
    public static void always(String msg) {
      System.out.println(msg);
    }
  
    private static void log(LogTag tag, String msg) {
      if (tag.ordinal() >= threshold.ordinal()) {
        System.out.println("[" + tag.toString() + "] " + msg);
      }
    }
  
    /**
     * Reports error and then terminates the program.
     */
    public static void errorAndQuit(String msg) {
      error(msg);
      // TODO: Signal sleeping threads.
      System.exit(1);
    }
  }
  