AttachContextInterceptor.java 文件源码

@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public void aroundWriteTo(WriterInterceptorContext context) throws IOException, WebApplicationException {
  if (context.getEntity() != null && context.getEntity() instanceof Viewable) {
    final Viewable viewable = (Viewable) context.getEntity();

    Object model = viewable.getModel();
    if (!(model instanceof Map)) {
      model = new HashMap<String, Object>() {
        private static final long serialVersionUID = 1L;
        {
          put("model", viewable.getModel());
        }
      };
    }
    ((Map) model).put("context", getContextMap());
    ((Map) model).put("session", getSessionMap());

    if (servletRequest.getAttribute(RepositoryContext.ATTR_NAME) != null) {
      RepositoryContext repoContext = (RepositoryContext) servletRequest.getAttribute(RepositoryContext.ATTR_NAME);
      ((Map) model).put("repo", repoContext);
    }

    context.setEntity(new Viewable(viewable.getTemplateName(), model));
  }

  context.proceed();
}