根据消息内容对消息进行路由。
记录消息内容，供调试或审核时使用。
使用中介访问消息内容。
修改您的中介来更改SOAP消息内容
将信息数据从一种消息内容格式转换为另一种。
Transforming the message data from one message content format to another.
其次，中介提供了转换任何消息内容的可能性。
Second, the mediation offers the possibility to transform the content of any message.
中介可以利用从数据库获取的数据扩充消息内容。
Mediations can augment message contents with data obtained from a database.
机密性：只有消息的目标接收者有权访问消息内容。
Confidentiality: Only the intended recipient of a message has access to the message content.
在运行时，它们允许对详细的消息内容进行模式验证。
At run time they allow schema validation of the detailed message content.
如前所述，可以根据消息内容有条件地装载中介策略。
As mentioned above, mediation policies can be loaded conditionally based on message content.
该功能支持创建随正在处理的消息内容而变化的单一中介流。
The capability allows the creation of a single mediation flow that varies depending on the content on the message being processed.
头信息用于传送控制信息，主体包含实际请求或响应消息内容。
The header is used to pass control information, and the body contains the actual request or response message content.
中介可用于在两种不同(甚至不兼容)格式之间转换消息内容。
A mediation could be used to convert the message contents between two different — and otherwise incompatible — formats.
bindings部分包含确定消息内容特征的MIME声明。
The bindings section contains MIME declarations that characterize the contents of the message.
消息摘要解决了篡改问题，消息摘要是消息内容的定长数字表示。
Tampering is addressed by a message digest, which is a fixed size numeric representation of the contents of a message.
选择标准中可以包含消息内容和上下文、以及目标服务提供者的功能。
Selection criteria can include message content and context, as well as the targets' capabilities.
消息内容的格式必须得到消息发布者和订阅者的同意和理解。
The format of the message content must be agreed and understood by both publishers and subscribers.
由于消息格式并不需要使用XML，因此几乎支持所有类型的消息内容。
Because XML is not required for the message format, nearly any type of message content is supported.
您应该能从Messagedata字段看到xml格式的消息内容。
You should be able to see the message content in XML format from the message data field.
现在，我们将不对实际消息内容进行更改，而把它留到另一篇文章中介绍。
For now, we will not be changing the actual message content; we will leave that for another article.
在本文中，我们将采用实际方法在中介中通过SDO阅读和撰写消息内容。
In this article, we will take the practice approach of using SDO to read and write the contents of a message within a mediation.
松散类型服务使用泛型参数定义，其中不以架构的形式包含消息内容的说明。
Loosely typed services use generic parameter definitions that do not include an explanation of the message content in form of a schema.
每个对等点都可以定义自己的消息内容格式，只要该格式符合XML规范即可。
Each peer can define its own message content format as long as that format conforms to the XML specification.
散列表还可能包含其他散列表，因此解码SOAP消息内容不是一件容易的事。
A hash map can contain other hash maps, so the process of decoding SOAP message contents is not easy.
消息处理程序最强大的功能之一是处理和扩充消息内容及消息头信息。
One of the most powerful features of message handlers is their ability to manipulate and augment message content and message header information.
防止消息内容受到非法访问(机密性)或非法修改(完整性)是主要的安全事务。
Protecting message content from illegal access (confidentiality) or illegal modification (integrity) are primary security concerns.
稍后，我们将利用这一功能来开发中介，而现在，我们首先看看如何访问消息内容。
Later, we will develop a mediation with this capability, but for now, let's look at how to gain access to the message content.
中介策略提供了更多的灵活性，因为您可以通过消息内容本身来控制日志记录功能。
Mediation policies provide much more flexibility because you can control logging via the message content itself.
应尽可能地在整个解决方案中动态设置超时，有时甚至要以单独的消息内容为依据。
Timeouts should be set dynamically across the entire solution wherever possible, sometimes even based on individual message content.
另外，您可以构建处理程序链，进一步加强对于消息流和消息内容的控制。
On top of this, you can also construct handler chains to further increase control over message flow and content.
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