package com.github.valfirst.slf4jtest;
   
   import java.util.logging.Level;
   import java.util.logging.LogManager;
   import org.slf4j.bridge.SLF4JBridgeHandler;
   
   /**
    * Configuration to redirect log messages from {@link java.util.logging} to SLF4J.
    *
   * @author Karsten Spang
   */
  public class JulConfig {
  
      /**
       * Redirect all logging from {@link java.util.logging} to SLF4J. If called more than once, it will
       * do nothing on subsequent calls.
       */
      public static void setup() {
          if (!SLF4JBridgeHandler.isInstalled()) {
              synchronized (JulConfig.class) {
                  if (!SLF4JBridgeHandler.isInstalled()) {
                      SLF4JBridgeHandler.removeHandlersForRootLogger();
                      SLF4JBridgeHandler.install();
                      LogManager.getLogManager().getLogger("").setLevel(Level.ALL);
                  }
              }
          }
      }
  
      private JulConfig() {}
  }