Add class LoggerTag

libraries/core/src/main/kotlin/io/element/android/libraries/core/log/logger/LoggerTag.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2023 New Vector Ltd
+ *
+ * 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 io.element.android.libraries.core.log.logger
+
+/**
+ * Parent class for custom logger tags. Can be used with Timber :
+ *
+ * val loggerTag = LoggerTag("MyTag", LoggerTag.VOIP)
+ * Timber.tag(loggerTag.value).v("My log message")
+ */
+open class LoggerTag(name: String, parentTag: LoggerTag? = null) {
+
+    object SYNC : LoggerTag("SYNC")
+    object VOIP : LoggerTag("VOIP")
+    object CRYPTO : LoggerTag("CRYPTO")
+    object RENDEZVOUS : LoggerTag("RZ")
+
+    val value: String = if (parentTag == null) {
+        name
+    } else {
+        "${parentTag.value}/$name"
+    }
+}