ContextAdder XMLReceive Pipeline Component (with BRE or XML configuration)

I came across Jon Flander's very useful ContextAdder pipeline component a while ago. I found it to be very useful. In short it's a pipeline component where

"you can place in any stage of either a Receive or Send pipeline, and you can configure it with a collection of Context properties (simple written properties or promoted properties). The component will just blindly put whatever values you configure it with into the context. This is just useful as a generic way to add properties into the Message Context when needed (and it is needed pretty often - at least I need it pretty often)."

Though I love the tool very much, I found a limitation with the tool where the number of context properties can be written/promoted has to be defined at development time ONLY. Having said that, I think it would be great if the number of context properties to be written/promoted can be configurable to any number of context properties at runtime.

In order to do that, base on Jon Flander's sample code, I created 2 Context Adder pipeline components, which base on BRE and XML configuration.

1. BRE Context Adder Pipeline Component: It calls the rule engine in the pipeline, the result of the policy will return the context properties (with namespace, key and value) to be written/promoted in the message context.

sample code and sample MSI could be found here at my hotmail skydrive

2. Context Adder Pipeline Component with XML configuration:

sample code and sample MSI could be found here at my hotmail skydrive

Here is a sample of the configuration XML. As you can see, the number of context properties to be written/promoted is highly configurable. New property could be added/removed anytime during run time.

<tns:ContextAdder xmlns:tns="http://GML.BizTalk.ContextAdder.Schemas" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 <tns:ContextProperties>
  <tns:ContextProperty>
   <tns:Key>EnableOrchestrationDebug</tns:Key>
   <tns:Namespace>http://GML.BizTalk.PropertySchemas.DebugFlag</tns:Namespace>
   <tns:Value>true</tns:Value>
   <tns:PromteProperty>true</tns:PromteProperty>
  </tns:ContextProperty>
  <tns:ContextProperty>
   <tns:Key>EnableAllDebug</tns:Key>
   <tns:Namespace>http://GML.BizTalk.PropertySchemas.DebugFlag</tns:Namespace>
   <tns:Value>true</tns:Value>
   <tns:PromteProperty>true</tns:PromteProperty>
  </tns:ContextProperty>
  <tns:ContextProperty>
   <tns:Key>EnablePipelineDebug</tns:Key>
   <tns:Namespace>http://GML.BizTalk.PropertySchemas.DebugFlag</tns:Namespace>
   <tns:Value>true</tns:Value>
   <tns:PromteProperty>true</tns:PromteProperty>
  </tns:ContextProperty>
 </tns:ContextProperties>
</tns:ContextAdder>