自定义错误处理消息自定义WebServiceHost [英] Custom Error Handling message for Custom WebServiceHost

问题描述

我有一个自定义WCF服务主机（<$ C C $> webServicehost2 ）和工厂是做一些依赖注入（实现自定义的 IInstanceProvider ），也有一些自定义验证（impementing一个自定义的 RequestInterceptor ）。

I Have a Custom WCF Service Host (webServicehost2) and Factory that is doing some dependency injection (implementing a custom IInstanceProvider) and also some custom authentication (impementing a custom RequestInterceptor).

我在一个非常小的问题，当我浏览到不exsist一个REST资源。 例如：

I Have a very small issue in that when i navigate to a REST resource that does not exsist. for example

http://localhost/restservice.svc/
http://localhost/restservice.svc/blah/

我收到了 404错误，OK，预计。

我想知道，反正是有，我可以捕捉到返回的HTTP错误和格式化它更好一点。

What I would like to know is there anyway that I can capture the returning Http error and format it a little nicer.

推荐答案

我不知道是否有更简单的方法，但我做了一些快速原型这里，发现做到这一点的一种方法是通过添加自定义IDispatchMessageInspector实现，着眼于服务的响应消息和替换自己的自定义HTML页面的内容。

I'm not sure if there's an easier way, but I did some quick prototyping here, and found that one way to accomplish this is by adding a custom IDispatchMessageInspector implementation that looks at the response message of the service and replaces the content with your own custom HTML page.

它去基本上是这样的：

• 实施IDispatchMessageInspector.BeforeSendReply（）
• 看回复信息，并获取<一href="http://msdn.microsoft.com/en-us/library/system.servicemodel.channels.htt$p$psponsemessageproperty.aspx"相对=nofollow> HTT presponse 的财产，并检查它是否是一个基于<一个错误href="http://msdn.microsoft.com/en-us/library/system.servicemodel.channels.htt$p$psponsemessageproperty.status$c$c.aspx"相对=nofollow>状态code 属性。
• 如果这是一个错误，打造一个全新的WCF消息体设置为要服务于HTML内容。
• 添加HTT presponse和<一href="http://msdn.microsoft.com/en-us/library/system.servicemodel.channels.webbodyformatmessageproperty.aspx"相对=nofollow> webBodyFormatMessageProperty 性能再新的消息，并设置作为回复。

• Implement IDispatchMessageInspector.BeforeSendReply()
• Look at the reply message, and grab the httpResponse property, and check if it is an error based on the StatusCode property.
• If it's an error, create a brand new WCF message with the body set to the HTML content you want to serve.
• Add the httpResponse and webBodyFormatMessageProperty properties to the new message again and set that as the reply.

我有我的样本，成功地做到这一点，但它的方式丑陋的;我需要发布之前，把它清理干净一点。

I have my sample that does this successfully, but it's way ugly; I'll need to clean it up a bit before posting it.

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