Implement ThreadIdConverter, re #9

src/main/java/org/libj/logging/ThreadIdConverter.java

@@ -0,0 +1,30 @@
+/* Copyright (c) 2024 LibJ
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * You should have received a copy of The MIT License (MIT) along with this
+ * program. If not, see <http://opensource.org/licenses/MIT/>.
+ */
+
+package org.libj.logging;
+
+import ch.qos.logback.classic.pattern.ClassicConverter;
+import ch.qos.logback.classic.spi.ILoggingEvent;
+
+/**
+ * A Logback {@link ClassicConverter} that provides the Thread ID of the logging thread.
+ */
+public class ThreadIdConverter extends ClassicConverter {
+  @Override
+  public String convert(final ILoggingEvent e) {
+    return String.valueOf(Thread.currentThread().getId());
+  }
+}