From 09bbd9ea82555416cab1d8d4c2ff54f9f1b904d7 Mon Sep 17 00:00:00 2001
From: Harsh Shandilya <me@msfjarvis.dev>
Date: Sat, 28 Jan 2023 18:57:48 +0530
Subject: [PATCH] feat: wire up SLF4J integration

---
 .../util/log/LogcatLoggerFactory.kt           | 17 ++++++++++++++
 .../java/org/slf4j/impl/StaticLoggerBinder.kt | 23 +++++++++++++++++++
 .../java/org/slf4j/impl/StaticMDCBinder.kt    | 21 +++++++++++++++++
 3 files changed, 61 insertions(+)
 create mode 100644 app/src/main/java/app/passwordstore/util/log/LogcatLoggerFactory.kt
 create mode 100644 app/src/main/java/org/slf4j/impl/StaticLoggerBinder.kt
 create mode 100644 app/src/main/java/org/slf4j/impl/StaticMDCBinder.kt

diff --git a/app/src/main/java/app/passwordstore/util/log/LogcatLoggerFactory.kt b/app/src/main/java/app/passwordstore/util/log/LogcatLoggerFactory.kt
new file mode 100644
index 00000000..92464446
--- /dev/null
+++ b/app/src/main/java/app/passwordstore/util/log/LogcatLoggerFactory.kt
@@ -0,0 +1,17 @@
+package app.passwordstore.util.log
+
+import java.util.concurrent.ConcurrentHashMap
+import org.slf4j.ILoggerFactory
+import org.slf4j.Logger
+
+/**
+ * [ILoggerFactory] implementation that passes out instances of [LogcatLogger], maintaining an
+ * internal cache of [Logger]s to avoid duplicate initialization.
+ */
+class LogcatLoggerFactory : ILoggerFactory {
+
+  private val loggers = ConcurrentHashMap<String, Logger>()
+  override fun getLogger(name: String): Logger {
+    return loggers.getOrPut(name) { LogcatLogger(name) }
+  }
+}
diff --git a/app/src/main/java/org/slf4j/impl/StaticLoggerBinder.kt b/app/src/main/java/org/slf4j/impl/StaticLoggerBinder.kt
new file mode 100644
index 00000000..85ab4d42
--- /dev/null
+++ b/app/src/main/java/org/slf4j/impl/StaticLoggerBinder.kt
@@ -0,0 +1,23 @@
+@file:Suppress("Unused")
+
+package org.slf4j.impl
+
+import app.passwordstore.util.log.LogcatLoggerFactory
+import org.slf4j.ILoggerFactory
+import org.slf4j.spi.LoggerFactoryBinder
+
+class StaticLoggerBinder : LoggerFactoryBinder {
+  private val loggerFactory: ILoggerFactory = LogcatLoggerFactory()
+  private val loggerFactoryClassStr = LogcatLoggerFactory::javaClass.name
+
+  override fun getLoggerFactory(): ILoggerFactory {
+    return loggerFactory
+  }
+  override fun getLoggerFactoryClassStr(): String {
+    return loggerFactoryClassStr
+  }
+
+  companion object {
+    @JvmStatic val singleton = StaticLoggerBinder()
+  }
+}
diff --git a/app/src/main/java/org/slf4j/impl/StaticMDCBinder.kt b/app/src/main/java/org/slf4j/impl/StaticMDCBinder.kt
new file mode 100644
index 00000000..d75c8ed0
--- /dev/null
+++ b/app/src/main/java/org/slf4j/impl/StaticMDCBinder.kt
@@ -0,0 +1,21 @@
+@file:Suppress("Unused")
+
+package org.slf4j.impl
+
+import org.slf4j.helpers.BasicMDCAdapter
+import org.slf4j.spi.MDCAdapter
+
+class StaticMDCBinder {
+
+  fun getMDCA(): MDCAdapter {
+    return BasicMDCAdapter()
+  }
+
+  fun getMDCAdapterClassStr(): String? {
+    return BasicMDCAdapter::class.java.name
+  }
+
+  companion object {
+    @JvmStatic val singleton = StaticMDCBinder()
+  }
+}