1 /* 2 * Copyright 2014, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.managedprovisioning; 18 19 import android.content.Context; 20 import android.util.Log; 21 import android.widget.Toast; 22 23 /** 24 * Utility class to centralize the logging in the Provisioning app. 25 */ 26 public class ProvisionLogger { 27 private static final String TAG = "ManagedProvisioning"; 28 private static final boolean LOG_ENABLED = true; 29 30 // Never commit this as true. 31 public static final boolean IS_DEBUG_BUILD = false; 32 33 /** 34 * Log the message at DEBUG level. 35 */ 36 public static void logd(String message) { 37 if (LOG_ENABLED) { 38 Log.d(getTag(), message); 39 } 40 } 41 42 /** 43 * Log the message at DEBUG level. 44 */ 45 public static void logd(String message, Throwable t) { 46 if (LOG_ENABLED) { 47 Log.d(getTag(), message, t); 48 } 49 } 50 51 /** 52 * Log the message at DEBUG level. 53 */ 54 public static void logd(Throwable t) { 55 if (LOG_ENABLED) { 56 Log.d(getTag(), "", t); 57 } 58 } 59 60 /** 61 * Log the message at VERBOSE level. 62 */ 63 public static void logv(String message) { 64 if (LOG_ENABLED) { 65 Log.v(getTag(), message); 66 } 67 } 68 69 /** 70 * Log the message at VERBOSE level. 71 */ 72 public static void logv(String message, Throwable t) { 73 if (LOG_ENABLED) { 74 Log.v(getTag(), message, t); 75 } 76 } 77 78 /** 79 * Log the message at VERBOSE level. 80 */ 81 public static void logv(Throwable t) { 82 if (LOG_ENABLED) { 83 Log.v(getTag(), "", t); 84 } 85 } 86 87 /** 88 * Log the message at INFO level. 89 */ 90 public static void logi(String message) { 91 if (LOG_ENABLED) { 92 Log.i(getTag(), message); 93 } 94 } 95 96 /** 97 * Log the message at INFO level. 98 */ 99 public static void logi(String message, Throwable t) { 100 if (LOG_ENABLED) { 101 Log.i(getTag(), message, t); 102 } 103 } 104 105 /** 106 * Log the message at INFO level. 107 */ 108 public static void logi(Throwable t) { 109 if (LOG_ENABLED) { 110 Log.i(getTag(), "", t); 111 } 112 } 113 114 /** 115 * Log the message at WARNING level. 116 */ 117 public static void logw(String message) { 118 if (LOG_ENABLED) { 119 Log.w(getTag(), message); 120 } 121 } 122 123 /** 124 * Log the message at WARNING level. 125 */ 126 public static void logw(String message, Throwable t) { 127 if (LOG_ENABLED) { 128 Log.w(getTag(), message, t); 129 } 130 } 131 132 /** 133 * Log the message at WARNING level. 134 */ 135 public static void logw(Throwable t) { 136 if (LOG_ENABLED) { 137 Log.w(getTag(), "", t); 138 } 139 } 140 141 /** 142 * Log the message at ERROR level. 143 */ 144 public static void loge(String message) { 145 if (LOG_ENABLED) { 146 Log.e(getTag(), message); 147 } 148 } 149 150 /** 151 * Log the message at ERROR level. 152 */ 153 public static void loge(String message, Throwable t) { 154 if (LOG_ENABLED) { 155 Log.e(getTag(), message, t); 156 } 157 } 158 159 /** 160 * Log the message at ERROR level. 161 */ 162 public static void loge(Throwable t) { 163 if (LOG_ENABLED) { 164 Log.e(getTag(), "", t); 165 } 166 } 167 168 /** 169 * Walks the stack trace to figure out where the logging call came from. 170 */ 171 static String getTag() { 172 if (IS_DEBUG_BUILD) { 173 String className = ProvisionLogger.class.getName(); 174 175 StackTraceElement[] trace = Thread.currentThread().getStackTrace(); 176 if (trace == null) { 177 return TAG; 178 } 179 180 boolean thisClassFound = false; 181 for (StackTraceElement item : trace) { 182 if (item.getClassName().equals(className)) { 183 // we are at the current class, keep eating all items from this 184 // class. 185 thisClassFound = true; 186 continue; 187 } 188 189 if (thisClassFound) { 190 // This is the first instance of another class, which is most 191 // likely the caller class. 192 return TAG + String.format( 193 "[%s(%s): %s]", item.getFileName(), item.getLineNumber(), 194 item.getMethodName()); 195 } 196 } 197 } 198 return TAG; 199 } 200 201 public static void toast(Context context, String toast) { 202 if (IS_DEBUG_BUILD) { 203 Toast.makeText(context, toast, Toast.LENGTH_LONG).show(); 204 } 205 } 206 } 207
