The goal of this module to add small workarounds to the current use of choice in a mule application. Right now, it has just one processor called <routing-utils:detour ../> that will emulate a single <when .. /> of a <mule:choise ../>.

<set-payload value="before detour"/>
<routing-utils:detour when="#[message.outboundProperties['foo'] == 'bar']">
    <set-payload value="executed"/>
</routing-utils:detour>

Evaluates the when attribute to determine if has to execute the inner chain (in this case, the <set-payload .../> processor).

Parameters:

• when a MEL that can evaluate a range of expressions. It supports some base when types such as header, payload (payload type), regex, and wildcard.
• nullReturnsTrue if the evaluated MEL when is null, then the processor chain will be executed anyway. False by default.

Returns:

• The MuleMessage unmodified if the when parameter evaluates to false.
• The same MuleMessage but with it's payload changed to the result of the executed chain if the when parameter evaluates to true.

This project also contains test classes that can be run as part of a test suite.

1. Clone the repo and execute a mvn clean install.
2. Go to <repo_folder>/mule-module-routing-utils/target and use the UpdateSite.zip to install the component in Studio. https://repository-master.mulesoft.org/nexus/content/repositories/releases/org/mule/modules/mule-module-requester/1.3/mule-module-requester-1.3-studio-plugin.zip
3. Install it in MuleStudio as a regular update site from a file. The module will appear under the Components tab.

<dependency>
    <groupId>org.mule.modules</groupId>
    <artifactId>mule-module-routing-utils</artifactId>
    <version>1.0.0-SNAPSHOT</version>        
</dependency>