1 /* 2 * Copyright 2014 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 package org.appspot.apprtc.util; 12 13 import android.os.Build; 14 import android.util.Log; 15 16 /** 17 * AppRTCUtils provides helper functions for managing thread safety. 18 */ 19 public final class AppRTCUtils { 20 21 private AppRTCUtils() { 22 } 23 24 /** 25 * NonThreadSafe is a helper class used to help verify that methods of a 26 * class are called from the same thread. 27 */ 28 public static class NonThreadSafe { 29 private final Long threadId; 30 31 public NonThreadSafe() { 32 // Store thread ID of the creating thread. 33 threadId = Thread.currentThread().getId(); 34 } 35 36 /** Checks if the method is called on the valid/creating thread. */ 37 public boolean calledOnValidThread() { 38 return threadId.equals(Thread.currentThread().getId()); 39 } 40 } 41 42 /** Helper method which throws an exception when an assertion has failed. */ 43 public static void assertIsTrue(boolean condition) { 44 if (!condition) { 45 throw new AssertionError("Expected condition to be true"); 46 } 47 } 48 49 /** Helper method for building a string of thread information.*/ 50 public static String getThreadInfo() { 51 return "@[name=" + Thread.currentThread().getName() 52 + ", id=" + Thread.currentThread().getId() + "]"; 53 } 54 55 /** Information about the current build, taken from system properties. */ 56 public static void logDeviceInfo(String tag) { 57 Log.d(tag, "Android SDK: " + Build.VERSION.SDK_INT + ", " 58 + "Release: " + Build.VERSION.RELEASE + ", " 59 + "Brand: " + Build.BRAND + ", " 60 + "Device: " + Build.DEVICE + ", " 61 + "Id: " + Build.ID + ", " 62 + "Hardware: " + Build.HARDWARE + ", " 63 + "Manufacturer: " + Build.MANUFACTURER + ", " 64 + "Model: " + Build.MODEL + ", " 65 + "Product: " + Build.PRODUCT); 66 } 67 } 68
