1 files changed, 110 insertions, 0 deletions
diff --git a/src/com/android/car/messenger/core/util/L.java b/src/com/android/car/messenger/core/util/L.java
new file mode 100644
index 0000000..4e2fcb1
--- /dev/null
+++ b/src/com/android/car/messenger/core/util/L.java
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2021 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.car.messenger.core.util;
+
+import android.util.Log;
+
+import androidx.annotation.NonNull;
+
+/** Util class for logging. */
+public class L {
+    @NonNull private static final String TAG = "CarMessenger";
+
+    private L() {}
+
+    /**
+     * Logs verbose level logs if loggable.
+     *
+     * @param msg the message to log, as a format string
+     */
+    public static void v(@NonNull String msg) {
+        if (Log.isLoggable(TAG, Log.VERBOSE)) {
+            Log.v(TAG, msg);
+        }
+    }
+
+    /**
+     * Logs debug level logs if loggable.
+     *
+     * @param msg the message to log, as a format string
+     */
+    public static void d(@NonNull String msg) {
+        if (Log.isLoggable(TAG, Log.DEBUG)) {
+            Log.d(TAG, msg);
+        }
+    }
+
+    /**
+     * Logs info level logs if loggable.
+     *
+     * @param msg the message to log, as a format string
+     */
+    public static void i(@NonNull String msg) {
+        if (Log.isLoggable(TAG, Log.INFO)) {
+            Log.i(TAG, msg);
+        }
+    }
+
+    /**
+     * Logs warning level logs if loggable.
+     *
+     * @param msg the message to log, as a format string
+     */
+    public static void w(@NonNull String msg) {
+        if (Log.isLoggable(TAG, Log.WARN)) {
+            Log.w(TAG, msg);
+        }
+    }
+
+    /**
+     * Logs error level logs.
+     *
+     * @param msg the message to log, as a format string
+     */
+    public static void e(@NonNull String msg) {
+        Log.e(TAG, msg);
+    }
+
+    /**
+     * Logs warning level logs.
+     *
+     * @param msg the message to log, as a format string
+     * @param e a throwable to log
+     */
+    public static void e(@NonNull String msg, Throwable e) {
+        Log.e(TAG, msg, e);
+    }
+
+    /**
+     * Logs conditions that should never happen.
+     *
+     * @param msg the message to log, as a format string
+     */
+    public static void wtf(@NonNull String msg) {
+        Log.wtf(TAG, msg);
+    }
+
+    /**
+     * Logs conditions that should never happen.
+     *
+     * @param e an exception to log
+     * @param msg the message to log, as a format string
+     */
+    public static void wtf(Exception e, @NonNull String msg) {
+        Log.wtf(TAG, msg, e);
+    }
+}