/**
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2022, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v1.0 as published by
    * the Eclipse Foundation
    *
    *   or (per the licensee's choosing)
   *
   * under the terms of the GNU Lesser General Public License version 2.1
   * as published by the Free Software Foundation.
   */
  package ch.qos.logback.access.common.model.processor;
  
  import ch.qos.logback.access.common.model.ConfigurationModel;
  import ch.qos.logback.core.Context;
  import ch.qos.logback.core.model.Model;
  import ch.qos.logback.core.model.processor.ModelHandlerBase;
  import ch.qos.logback.core.model.processor.ModelHandlerException;
  import ch.qos.logback.core.model.processor.ModelInterpretationContext;
  import ch.qos.logback.core.status.OnConsoleStatusListener;
  import ch.qos.logback.core.util.OptionHelper;
  import ch.qos.logback.core.util.StatusListenerConfigHelper;
  
  public class ConfigurationModelHandler extends ModelHandlerBase {
      static final String DEBUG_SYSTEM_PROPERTY_KEY = "logback-access.debug";
  
      public ConfigurationModelHandler(Context context) {
          super(context);
      }
  
      static public ModelHandlerBase makeInstance(Context context, ModelInterpretationContext ic) {
          return new ConfigurationModelHandler(context);
      }
  
      protected Class<ConfigurationModel> getSupportedModelClass() {
          return ConfigurationModel.class;
      }
  
      @Override
      public void handle(ModelInterpretationContext mic, Model model) throws ModelHandlerException {
          ConfigurationModel configurationModel = (ConfigurationModel) model;
          // See LBCLASSIC-225 (the system property is looked up first). Thus, it overrides
          // the equivalent property in the config file. This reversal of scope priority
          // is justified
          // by the use case: the admin trying to chase rogue config file
          String debug = System.getProperty(DEBUG_SYSTEM_PROPERTY_KEY);
          if (debug == null) {
              debug = configurationModel.getDebug();
          }
          if (OptionHelper.isNullOrEmpty(debug) || debug.equals("false") || debug.equals("null")) {
              addInfo(ConfigurationModel.INTERNAL_DEBUG_ATTR + " attribute not set");
          } else {
              StatusListenerConfigHelper.addOnConsoleListenerInstance(context, new OnConsoleStatusListener());
          }
  
      }
  }