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Unified Diff: base/android/java/src/org/chromium/base/Log.java

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/android/java/src/org/chromium/base/Log.java
diff --git a/base/android/java/src/org/chromium/base/Log.java b/base/android/java/src/org/chromium/base/Log.java
deleted file mode 100644
index 3b46cdcd65f61e6bf317475bd0dfc41ab3106398..0000000000000000000000000000000000000000
--- a/base/android/java/src/org/chromium/base/Log.java
+++ /dev/null
@@ -1,362 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.base;
-
-import org.chromium.base.annotations.RemovableInRelease;
-
-import java.util.Locale;
-
-/**
- * Utility class for Logging.
- *
- * <p>
- * Defines logging access points for each feature. They format and forward the logs to
- * {@link android.util.Log}, allowing to standardize the output, to make it easy to identify
- * the origin of logs, and enable or disable logging in different parts of the code.
- * </p>
- * <p>
- * @see usage documentation: <a href="README_logging.md">README_logging.md</a>.
- * </p>
- */
-public class Log {
- /** Convenience property, same as {@link android.util.Log#ASSERT}. */
- public static final int ASSERT = android.util.Log.ASSERT;
-
- /** Convenience property, same as {@link android.util.Log#DEBUG}. */
- public static final int DEBUG = android.util.Log.DEBUG;
-
- /** Convenience property, same as {@link android.util.Log#ERROR}. */
- public static final int ERROR = android.util.Log.ERROR;
-
- /** Convenience property, same as {@link android.util.Log#INFO}. */
- public static final int INFO = android.util.Log.INFO;
-
- /** Convenience property, same as {@link android.util.Log#VERBOSE}. */
- public static final int VERBOSE = android.util.Log.VERBOSE;
-
- /** Convenience property, same as {@link android.util.Log#WARN}. */
- public static final int WARN = android.util.Log.WARN;
-
- private Log() {
- // Static only access
- }
-
- /** Returns a formatted log message, using the supplied format and arguments.*/
- private static String formatLog(String messageTemplate, Object... params) {
- if (params != null && params.length != 0) {
- messageTemplate = String.format(Locale.US, messageTemplate, params);
- }
-
- return messageTemplate;
- }
-
- /**
- * Returns a formatted log message, using the supplied format and arguments.
- * The message will be prepended with the filename and line number of the call.
- */
- private static String formatLogWithStack(String messageTemplate, Object... params) {
- return "[" + getCallOrigin() + "] " + formatLog(messageTemplate, params);
- }
-
- /** Convenience function, forwards to {@link android.util.Log#isLoggable(String, int)}. */
- public static boolean isLoggable(String tag, int level) {
- return android.util.Log.isLoggable(tag, level);
- }
-
- /**
- * Sends a {@link android.util.Log#VERBOSE} log message.
- *
- * For optimization purposes, only the fixed parameters versions are visible. If you need more
- * than 7 parameters, consider building your log message using a function annotated with
- * {@link RemovableInRelease}.
- *
- * @param tag Used to identify the source of a log message.
- * @param messageTemplate The message you would like logged. It is to be specified as a format
- * string.
- * @param args Arguments referenced by the format specifiers in the format string. If the last
- * one is a {@link Throwable}, its trace will be printed.
- */
- private static void verbose(String tag, String messageTemplate, Object... args) {
- if (Log.isLoggable(tag, Log.VERBOSE)) {
- String message = formatLogWithStack(messageTemplate, args);
- Throwable tr = getThrowableToLog(args);
- if (tr != null) {
- android.util.Log.v(tag, message, tr);
- } else {
- android.util.Log.v(tag, message);
- }
- }
- }
-
- /** Sends a {@link android.util.Log#VERBOSE} log message. 0 args version. */
- @RemovableInRelease
- @VisibleForTesting
- public static void v(String tag, String message) {
- verbose(tag, message);
- }
-
- /** Sends a {@link android.util.Log#VERBOSE} log message. 1 arg version. */
- @RemovableInRelease
- @VisibleForTesting
- public static void v(String tag, String messageTemplate, Object arg1) {
- verbose(tag, messageTemplate, arg1);
- }
-
- /** Sends a {@link android.util.Log#VERBOSE} log message. 2 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void v(String tag, String messageTemplate, Object arg1, Object arg2) {
- verbose(tag, messageTemplate, arg1, arg2);
- }
-
- /** Sends a {@link android.util.Log#VERBOSE} log message. 3 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void v(
- String tag, String messageTemplate, Object arg1, Object arg2, Object arg3) {
- verbose(tag, messageTemplate, arg1, arg2, arg3);
- }
-
- /** Sends a {@link android.util.Log#VERBOSE} log message. 4 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void v(String tag, String messageTemplate, Object arg1, Object arg2, Object arg3,
- Object arg4) {
- verbose(tag, messageTemplate, arg1, arg2, arg3, arg4);
- }
-
- /** Sends a {@link android.util.Log#VERBOSE} log message. 5 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void v(String tag, String messageTemplate, Object arg1, Object arg2, Object arg3,
- Object arg4, Object arg5) {
- verbose(tag, messageTemplate, arg1, arg2, arg3, arg4, arg5);
- }
-
- /** Sends a {@link android.util.Log#VERBOSE} log message. 6 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void v(String tag, String messageTemplate, Object arg1, Object arg2, Object arg3,
- Object arg4, Object arg5, Object arg6) {
- verbose(tag, messageTemplate, arg1, arg2, arg3, arg4, arg5, arg6);
- }
-
- /** Sends a {@link android.util.Log#VERBOSE} log message. 7 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void v(String tag, String messageTemplate, Object arg1, Object arg2, Object arg3,
- Object arg4, Object arg5, Object arg6, Object arg7) {
- verbose(tag, messageTemplate, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
- }
-
- /**
- * Sends a {@link android.util.Log#DEBUG} log message.
- *
- * For optimization purposes, only the fixed parameters versions are visible. If you need more
- * than 7 parameters, consider building your log message using a function annotated with
- * {@link RemovableInRelease}.
- *
- * @param tag Used to identify the source of a log message.
- * @param messageTemplate The message you would like logged. It is to be specified as a format
- * string.
- * @param args Arguments referenced by the format specifiers in the format string. If the last
- * one is a {@link Throwable}, its trace will be printed.
- */
- private static void debug(String tag, String messageTemplate, Object... args) {
- if (isLoggable(tag, Log.DEBUG)) {
- String message = formatLogWithStack(messageTemplate, args);
- Throwable tr = getThrowableToLog(args);
- if (tr != null) {
- android.util.Log.d(tag, message, tr);
- } else {
- android.util.Log.d(tag, message);
- }
- }
- }
-
- /** Sends a {@link android.util.Log#DEBUG} log message. 0 args version. */
- @RemovableInRelease
- @VisibleForTesting
- public static void d(String tag, String message) {
- debug(tag, message);
- }
-
- /** Sends a {@link android.util.Log#DEBUG} log message. 1 arg version. */
- @RemovableInRelease
- @VisibleForTesting
- public static void d(String tag, String messageTemplate, Object arg1) {
- debug(tag, messageTemplate, arg1);
- }
- /** Sends a {@link android.util.Log#DEBUG} log message. 2 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void d(String tag, String messageTemplate, Object arg1, Object arg2) {
- debug(tag, messageTemplate, arg1, arg2);
- }
- /** Sends a {@link android.util.Log#DEBUG} log message. 3 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void d(
- String tag, String messageTemplate, Object arg1, Object arg2, Object arg3) {
- debug(tag, messageTemplate, arg1, arg2, arg3);
- }
-
- /** Sends a {@link android.util.Log#DEBUG} log message. 4 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void d(String tag, String messageTemplate, Object arg1, Object arg2, Object arg3,
- Object arg4) {
- debug(tag, messageTemplate, arg1, arg2, arg3, arg4);
- }
-
- /** Sends a {@link android.util.Log#DEBUG} log message. 5 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void d(String tag, String messageTemplate, Object arg1, Object arg2, Object arg3,
- Object arg4, Object arg5) {
- debug(tag, messageTemplate, arg1, arg2, arg3, arg4, arg5);
- }
-
- /** Sends a {@link android.util.Log#DEBUG} log message. 6 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void d(String tag, String messageTemplate, Object arg1, Object arg2, Object arg3,
- Object arg4, Object arg5, Object arg6) {
- debug(tag, messageTemplate, arg1, arg2, arg3, arg4, arg5, arg6);
- }
-
- /** Sends a {@link android.util.Log#DEBUG} log message. 7 args version */
- @RemovableInRelease
- @VisibleForTesting
- public static void d(String tag, String messageTemplate, Object arg1, Object arg2, Object arg3,
- Object arg4, Object arg5, Object arg6, Object arg7) {
- debug(tag, messageTemplate, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
- }
-
- /**
- * Sends an {@link android.util.Log#INFO} log message.
- *
- * @param tag Used to identify the source of a log message.
- * @param messageTemplate The message you would like logged. It is to be specified as a format
- * string.
- * @param args Arguments referenced by the format specifiers in the format string. If the last
- * one is a {@link Throwable}, its trace will be printed.
- */
- @VisibleForTesting
- public static void i(String tag, String messageTemplate, Object... args) {
- if (Log.isLoggable(tag, Log.INFO)) {
- String message = formatLog(messageTemplate, args);
- Throwable tr = getThrowableToLog(args);
- if (tr != null) {
- android.util.Log.i(tag, message, tr);
- } else {
- android.util.Log.i(tag, message);
- }
- }
- }
-
- /**
- * Sends a {@link android.util.Log#WARN} log message.
- *
- * @param tag Used to identify the source of a log message.
- * @param messageTemplate The message you would like logged. It is to be specified as a format
- * string.
- * @param args Arguments referenced by the format specifiers in the format string. If the last
- * one is a {@link Throwable}, its trace will be printed.
- */
- @VisibleForTesting
- public static void w(String tag, String messageTemplate, Object... args) {
- if (Log.isLoggable(tag, Log.WARN)) {
- String message = formatLog(messageTemplate, args);
- Throwable tr = getThrowableToLog(args);
- if (tr != null) {
- android.util.Log.w(tag, message, tr);
- } else {
- android.util.Log.w(tag, message);
- }
- }
- }
-
- /**
- * Sends an {@link android.util.Log#ERROR} log message.
- *
- * @param tag Used to identify the source of a log message.
- * @param messageTemplate The message you would like logged. It is to be specified as a format
- * string.
- * @param args Arguments referenced by the format specifiers in the format string. If the last
- * one is a {@link Throwable}, its trace will be printed.
- */
- @VisibleForTesting
- public static void e(String tag, String messageTemplate, Object... args) {
- if (Log.isLoggable(tag, Log.ERROR)) {
- String message = formatLog(messageTemplate, args);
- Throwable tr = getThrowableToLog(args);
- if (tr != null) {
- android.util.Log.e(tag, message, tr);
- } else {
- android.util.Log.e(tag, message);
- }
- }
- }
-
- /**
- * What a Terrible Failure: Used for conditions that should never happen, and logged at
- * the {@link android.util.Log#ASSERT} level. Depending on the configuration, it might
- * terminate the process.
- *
- * @see android.util.Log#wtf(String, String, Throwable)
- *
- * @param tag Used to identify the source of a log message.
- * @param messageTemplate The message you would like logged. It is to be specified as a format
- * string.
- * @param args Arguments referenced by the format specifiers in the format string. If the last
- * one is a {@link Throwable}, its trace will be printed.
- */
- @VisibleForTesting
- public static void wtf(String tag, String messageTemplate, Object... args) {
- if (Log.isLoggable(tag, Log.ASSERT)) {
- String message = formatLog(messageTemplate, args);
- Throwable tr = getThrowableToLog(args);
- if (tr != null) {
- android.util.Log.wtf(tag, message, tr);
- } else {
- android.util.Log.wtf(tag, message);
- }
- }
- }
-
- private static Throwable getThrowableToLog(Object[] args) {
- if (args == null || args.length == 0) return null;
-
- Object lastArg = args[args.length - 1];
-
- if (!(lastArg instanceof Throwable)) return null;
- return (Throwable) lastArg;
- }
-
- /** Returns a string form of the origin of the log call, to be used as secondary tag.*/
- private static String getCallOrigin() {
- StackTraceElement[] st = Thread.currentThread().getStackTrace();
-
- // The call stack should look like:
- // n [a variable number of calls depending on the vm used]
- // +0 getCallOrigin()
- // +1 privateLogFunction: verbose or debug
- // +2 formatLogWithStack()
- // +3 logFunction: v or d
- // +4 caller
-
- int callerStackIndex;
- String logClassName = Log.class.getName();
- for (callerStackIndex = 0; callerStackIndex < st.length; callerStackIndex++) {
- if (st[callerStackIndex].getClassName().equals(logClassName)) {
- callerStackIndex += 4;
- break;
- }
- }
-
- return st[callerStackIndex].getFileName() + ":" + st[callerStackIndex].getLineNumber();
- }
-}
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