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/*
* Copyright (C) 2016 Google Inc.
*
* 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.google.android.mobly.snippet.util;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Bundle;
public final class Log {
public static volatile String APK_LOG_TAG = null;
private Log() {}
public synchronized static void initLogTag(Context context) {
if (APK_LOG_TAG != null) {
throw new IllegalStateException("Logger should not be re-initialized");
}
String packageName = context.getPackageName();
PackageManager packageManager = context.getPackageManager();
ApplicationInfo appInfo;
try {
appInfo = packageManager.getApplicationInfo(packageName, PackageManager.GET_META_DATA);
} catch (NameNotFoundException e) {
throw new IllegalStateException(
"Failed to find ApplicationInfo with package name: " + packageName);
}
Bundle bundle = appInfo.metaData;
APK_LOG_TAG = bundle.getString("mobly-log-tag");
if (APK_LOG_TAG == null) {
APK_LOG_TAG = packageName;
w("AndroidManifest.xml does not contain metadata field named \"mobly-log-tag\". "
+ "Using package name for logging instead.");
}
}
private static String getTag() {
String logTag = APK_LOG_TAG;
if (logTag == null) {
throw new IllegalStateException("Logging called before initLogTag()");
}
StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
String fullClassName = stackTraceElements[4].getClassName();
String className = fullClassName.substring(fullClassName.lastIndexOf(".") + 1);
int lineNumber = stackTraceElements[4].getLineNumber();
return logTag + "." + className + ":" + lineNumber;
}
public static void v(String message) {
android.util.Log.v(getTag(), message);
}
public static void v(String message, Throwable e) {
android.util.Log.v(getTag(), message, e);
}
public static void e(Throwable e) {
android.util.Log.e(getTag(), "Error", e);
}
public static void e(String message) {
android.util.Log.e(getTag(), message);
}
public static void e(String message, Throwable e) {
android.util.Log.e(getTag(), message, e);
}
public static void w(Throwable e) {
android.util.Log.w(getTag(), "Warning", e);
}
public static void w(String message) {
android.util.Log.w(getTag(), message);
}
public static void w(String message, Throwable e) {
android.util.Log.w(getTag(), message, e);
}
public static void d(String message) {
android.util.Log.d(getTag(), message);
}
public static void d(String message, Throwable e) {
android.util.Log.d(getTag(), message, e);
}
public static void i(String message) {
android.util.Log.i(getTag(), message);
}
public static void i(String message, Throwable e) {
android.util.Log.i(getTag(), message, e);
}
}
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