package ch.qos.logback.classic.model.processor;
   
   import ch.qos.logback.classic.model.ContextNameModel;
   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;
   
  public class ContextNameModelHandler extends ModelHandlerBase {
  
      public ContextNameModelHandler(Context context) {
          super(context);
      }
  
      static public ModelHandlerBase makeInstance(Context context, ModelInterpretationContext ic) {
          return new ContextNameModelHandler(context);
      }
  
      @Override
      protected Class<ContextNameModel> getSupportedModelClass() {
          return ContextNameModel.class;
      }
  
      @Override
      public void handle(ModelInterpretationContext mic, Model model) throws ModelHandlerException {
          ContextNameModel contextNameModel = (ContextNameModel) model;
  
          String finalBody = mic.subst(contextNameModel.getBodyText());
          addInfo("Setting logger context name as [" + finalBody + "]");
          try {
              context.setName(finalBody);
          } catch (IllegalStateException e) {
              addError("Failed to rename context [" + context.getName() + "] as [" + finalBody + "]", e);
          }
  
      }
  
  }