DefaultServerEndpointConfigurator.java 文件源码

@Override
public List<Extension> getNegotiatedExtensions(List<Extension> installed,
        List<Extension> requested) {
    Set<String> installedNames = new HashSet<String>();
    for (Extension e : installed) {
        installedNames.add(e.getName());
    }
    List<Extension> result = new ArrayList<Extension>();
    for (Extension request : requested) {
        if (installedNames.contains(request.getName())) {
            result.add(request);
        }
    }
    return result;
}