registering custom uncaught exception handler

Author: Death111

src/main/java/de/doubleslash/keeptime/DefaultExceptionHandler.java

@@ -0,0 +1,34 @@
+package de.doubleslash.keeptime;
+
+import java.lang.Thread.UncaughtExceptionHandler;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Handler logging uncaught exceptions. Gotta Catch 'Em All
+ * 
+ * @author nmutter
+ */
+public class DefaultExceptionHandler implements UncaughtExceptionHandler {
+
+   private final Logger LOG = LoggerFactory.getLogger(this.getClass());
+
+   @Override
+   public void uncaughtException(final Thread t, final Throwable e) {
+      LOG.error("Uncaught exception on thread '{}'.", t, e);
+   }
+
+   /**
+    * Registers this class as default uncaught exception handler
+    */
+   public void register() {
+      LOG.debug("Registering uncaught exception handler");
+      final UncaughtExceptionHandler defaultUncaughtExceptionHandler = Thread.getDefaultUncaughtExceptionHandler();
+      if (defaultUncaughtExceptionHandler != null) {
+         LOG.warn("Uncaught exception handler was already set ('{}'). Overwritting.", defaultUncaughtExceptionHandler);
+      }
+      Thread.setDefaultUncaughtExceptionHandler(this);
+   }
+
+}

src/main/java/de/doubleslash/keeptime/Main.java

@@ -48,6 +48,9 @@ public class Main extends Application {
 
    @Override
    public void init() throws Exception {
+      final DefaultExceptionHandler defaultExceptionHandler = new DefaultExceptionHandler();
+      defaultExceptionHandler.register();
+
       springContext = SpringApplication.run(Main.class);
       // TODO test if everywhere is used the same model
       model = springContext.getBean(Model.class);