public static interface ServiceRegistry.Filter 
      ServiceRegistry.getServiceProviders选择提供商任意条件匹配的。 
       实现此接口的类应以利用来定义getServiceProviders的方法ServiceRegistry ,需要一个Filter 。 
      boolean filter(Object provider)
true如果给定 
           provider对象通过这个定义的标准匹配 
           Filter 。 
          provider - 服务提供商 
            Object 。 
            Submit a bug or feature 
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
 Copyright © 1993, 2014, Oracle and/or its affiliates. All rights reserved.