How to use

SelfExpandingExpander$Resolver

in

com.atlassian.plugins.rest.common.expand

@SuppressWarnings("unchecked")
public <T> EntityExpander<T> getExpander(T instance) {
  return (EntityExpander<T>) getExpander(instance.getClass());
}

public <T> boolean hasExpander(T instance) {
  return hasExpander(instance.getClass());
}

  public <T> EntityExpander<T> getExpander(Class<? extends T> aClass) {
    return hasExpander(aClass) ? (EntityExpander<T>) expander : null;
  }
}

private EntityExpanderResolver getExpanders() {
  return new ChainingEntityExpanderResolver(Lists.<EntityExpanderResolver>newArrayList(
      new CollectionEntityExpanderResolver(),
      new ListWrapperEntityExpanderResolver(),
      new ExpandConstraintEntityExpanderResolver(),
      new SelfExpandingExpander.Resolver(),
      new IdentityEntityExpanderResolver()
  ));
}

  private static EntityExpanderResolver getExpanders()
  {
    return new ChainingEntityExpanderResolver(Lists.<EntityExpanderResolver>newArrayList(
        new CollectionEntityExpanderResolver(),
        new ListWrapperEntityExpanderResolver(),
        new ExpandConstraintEntityExpanderResolver(),
        new SelfExpandingExpander.Resolver(),
        new IdentityEntityExpanderResolver()
    ));
  }
}

private ProjectBean createAndExpandProjectBean(Project project, ProjectBeanBuilder builder, String expand)
{
  StringList expandList = StringList.fromQueryParam(expand);
  List<String> expandItems = (expandList == null ? ImmutableList.<String>of() : expandList.asList());
  //Could be expensive call so only do when needed (vs SelfExpandingExpander / bean doing its own expansion)
  if (expandItems.contains(EXPAND_PROJECT_KEYS) || expandItems.contains(EXPAND_WILDCARD))
  {
    builder.projectKeys(projectManager.getAllProjectKeys(project.getId()));
  }
  ProjectBean projectBean = builder.build();
  EntityExpanderResolver expandResolver = new SelfExpandingExpander.Resolver();
  EntityCrawler entityCrawler = new EntityCrawler();
  ExpandParameter expandParameter = new DefaultExpandParameter(expandItems);
  entityCrawler.crawl(projectBean, expandParameter, expandResolver);
  return projectBean;
}

    new ListWrapperEntityExpanderResolver(),
    new ExpandConstraintEntityExpanderResolver(),
    new SelfExpandingExpander.Resolver(),
    new IdentityEntityExpanderResolver()
));