Understanding and maintaining the authorization policy will be an order of magnitude more difficult, even if the code is free from defects.

了解和维护授权策略更加困难，即使代码没有任何缺陷。

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Much of this tutorial is conceptual, but in order to follow along with the code that USES Apache Neethi to work with WS-Policy documents, you need the following software installed.

本教程的大部分内容都是概念性的，但为了处理通过Apache Neethi来使用WS - Policy文档的代码，您将需要安装以下软件。

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