| /* |
| * 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 alternative implementations 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()); |
| } |
| } |