content: package act.util;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2017 ActFramework
   * %%
   * 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.
   * #L%
   */
  
  import act.cli.Command;
  import act.cli.Required;
  import org.osgl.logging.LogManager;
  import org.osgl.logging.Logger;
  import org.osgl.logging.Logger.Level;
  import org.osgl.util.S;
  
  public class LogAdmin {
  
      @Command(name = "act.log.level.show", help = "Show log level")
      public String showLogLevel(@Required("specify LOGGER name") String name) {
          Logger logger = LogManager.get(name);
          if (logger.isTraceEnabled()) {
              return "trace";
          } else if (logger.isDebugEnabled()) {
              return "debug";
          } else if (logger.isInfoEnabled()) {
              return "info";
          } else if (logger.isWarnEnabled()) {
              return "warn";
          } else if (logger.isErrorEnabled()) {
              return "error";
          }
          return "fatal";
      }
  
      @Command(
              name = "act.log.level.update",
              help = "Update LOGGER level. Valid levels are:\n\t" +
                      "5 - fatal\n\t" +
                      "4 - error\n\t" +
                      "3 - warn\n\t" +
                      "2 - info\n\t" +
                      "1 - debug\n\t" +
                      "0 - trace"
      )
      public String setLogLevel(
              @Required("specify LOGGER name") String name,
              @Required("specify log level")  int level
      ) {
          Level lvl = convert(level);
          Logger logger = LogManager.get(name);
          logger.setLevel(lvl);
          return S.fmt("LOGGER[%s] level set to %s", name, lvl.toString());
      }
  
      private Level convert(int level) {
          switch (level) {
              case 0:
                  return Level.TRACE;
              case 1:
                  return Level.DEBUG;
              case 2:
                  return Level.INFO;
              case 3:
                  return Level.WARN;
              case 4:
                  return Level.ERROR;
              default:
                  return Level.FATAL;
          }
      }
  
  }
  