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 com.android.tools.layoutlib.java;
  
  import com.android.tools.layoutlib.create.ReplaceMethodCallsAdapter;
  
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.atomic.AtomicLong;
  
  /**
   * Provides dummy implementation of methods that don't exist on the host VM.
   * This also providers a time control that allows to set a specific system time.
   *
   * @see ReplaceMethodCallsAdapter
   */
  @SuppressWarnings("unused")
  public class System_Delegate {
      // Current system time
      private static AtomicLong mNanosTime = new AtomicLong(System.nanoTime());
      // Time that the system booted up in nanos
      private static AtomicLong mBootNanosTime = new AtomicLong(System.nanoTime());
  
      public static void log(String message) {
          // ignore.
      }
  
      public static void log(String message, Throwable th) {
          // ignore.
      }
  
      public static void setNanosTime(long nanos) {
          mNanosTime.set(nanos);
      }
  
      public static void setBootTimeNanos(long nanos) {
          mBootNanosTime.set(nanos);
      }
  
      public static long nanoTime() {
          return mNanosTime.get();
      }
  
      public static long currentTimeMillis() {
          return TimeUnit.NANOSECONDS.toMillis(mNanosTime.get());
      }
  
      public static long bootTime() {
          return mBootNanosTime.get();
      }
  
      public static long bootTimeMillis() {
          return TimeUnit.NANOSECONDS.toMillis(mBootNanosTime.get());
      }
  }
  