import com.sun.jersey.spi.container.servlet.WebConfig; //导入依赖的package包/类
@Override
protected ResourceConfig getDefaultResourceConfig(Map<String, Object> props,
                                                  WebConfig webConfig) throws ServletException {
    HashMap<String, Object> mergedProps = new HashMap<>(props);
    mergedProps.putAll(this.props);
    return new PackagesResourceConfig(mergedProps) {
        @Override
        public Set<Class<?>> getProviderClasses() {
            Set<Class<?>> providers = super.getProviderClasses();
            // remove conflicting provider if present
            providers.remove(FreemarkerTemplateProvider.class);
            providers.add(AdminFreemarkerTemplateProvider.class);
            providers.add(WebApplicationExceptionMapper.class);
            return providers;
        }
    };
}
 

import com.sun.jersey.spi.container.servlet.WebConfig; //导入依赖的package包/类
@Override
protected ResourceConfig getDefaultResourceConfig(Map<String, Object> props, WebConfig webConfig) throws ServletException {
  DefaultResourceConfig cfg = new DefaultResourceConfig();
  if (props.containsKey(ResourceConfig.PROPERTY_CONTAINER_REQUEST_FILTERS) == false) {
    props.put(ResourceConfig.PROPERTY_CONTAINER_REQUEST_FILTERS, new ArrayList<Object>(Arrays.asList(new HttpMethodFilter(), new UrlSuffixFilter())));
  }
  if (props.containsKey(ResourceConfig.PROPERTY_CONTAINER_RESPONSE_FILTERS) == false) {
    props.put(ResourceConfig.PROPERTY_CONTAINER_RESPONSE_FILTERS, new ArrayList<Object>(Arrays.asList(new NoCachingFilter())));
  }
  cfg.setPropertiesAndFeatures(props);
  return cfg;
}
 

import com.sun.jersey.spi.container.servlet.WebConfig; //导入依赖的package包/类
@Override
protected void configure(WebConfig wc,
                         ResourceConfig rc,
                         WebApplication wa) {
  super.configure(wc, rc, wa);
  Set<Object> singletons = rc.getSingletons();
  singletons.add(new WebAppApiProvider());
}
 

import com.sun.jersey.spi.container.servlet.WebConfig; //导入依赖的package包/类
@Override
protected ResourceConfig getDefaultResourceConfig(Map<String, Object> props, WebConfig webConfig) throws ServletException {
    return resourceConfig;
}
 

import com.sun.jersey.spi.container.servlet.WebConfig; //导入依赖的package包/类
@Override
protected ResourceConfig getDefaultResourceConfig(Map<String, Object> properties, WebConfig webConfig)
        throws ServletException {
    return new DefaultResourceConfig();
}
 

import com.sun.jersey.spi.container.servlet.WebConfig; //导入依赖的package包/类
@Override
public ResourceConfig getDefaultResourceConfig(Map<String, Object> props, WebConfig webConfig) {
    return environment.getJerseyResourceConfig();
}