/*
    * Logback: the reliable, generic, fast and flexible logging framework.
    * Copyright (C) 1999-2026, QOS.ch. All rights reserved.
    *
    * This program and the accompanying materials are dual-licensed under
    * either the terms of the Eclipse Public License v2.0 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.core.model.processor;
  
  import ch.qos.logback.core.Context;
  import ch.qos.logback.core.model.Model;
  
  /**
   * <p>RefContainerDependencyAnalyser pushes relevant models into the modelStack
   * of ModelInterpretationContext.</p>
   *
   * <p>Relevant models are LoggerModel, RootLoggerModel and AppenderModel as defined
   * in {@link ch.qos.logback.core.joran.ModelClassToModelHandlerLinkerBase#link}
   * method.</p>
   *
   * <p>This class could have been called RefContainerDependencyAnalysisHelper.</p>
   *
   * @author Ceki G&uuml;lc&uuml;
   *
   */
  @PhaseIndicator(phase = ProcessingPhase.DEPENDENCY_ANALYSIS)
  public class RefContainerDependencyAnalyser extends ModelHandlerBase {
  
      final Class<?> modelClass;
  
      public RefContainerDependencyAnalyser(Context context, Class<?> modelClass) {
          super(context);
          this.modelClass = modelClass;
      }
  
      @Override
      protected boolean isSupportedModelType(Model model) {
  
          if (modelClass.isInstance(model)) {
              return true;
          }
  
          StringBuilder buf = new StringBuilder("This handler can only handle models of type ");
          buf.append(modelClass.getName());
          addError(buf.toString());
          return false;
      }
  
      @Override
      public void handle(ModelInterpretationContext mic, Model model) throws ModelHandlerException {
          mic.pushModel(model);
      }
  
      @Override
      public void postHandle(ModelInterpretationContext mic, Model model) throws ModelHandlerException {
          Model poppedModel = mic.popModel();
          if (model != poppedModel) {
              addError("Popped model [" + poppedModel + "] different than expected [" + model + "]");
          }
      }
  }