import org.apache.zookeeper.server.jersey.filters.HTTPBasicAuth; //导入依赖的package包/类
private ServletAdapter createJerseyAdapter(Endpoint e) {
    ServletAdapter jersey = new ServletAdapter();

    jersey.setServletInstance(new ServletContainer());
    jersey.addInitParameter("com.sun.jersey.config.property.packages",
            "org.apache.zookeeper.server.jersey.resources");
    jersey.setContextPath(e.getContext());

    Credentials c = Credentials.join(e.getCredentials(), cfg
            .getCredentials());
    if (!c.isEmpty()) {
        jersey.addFilter(new HTTPBasicAuth(c), e.getContext()
                + "-basic-auth", null);
    }

    return jersey;
}