SpEL Expression Evaluator

Description

This module adds to Mule the ability to use the Spring Expression Language

Wherever others expression evaluators like groovy, xpath, header or ogln are used, SpEL can be used too.

Here are a few small examples of SpEL used in Mule :

<expression-transformer>

   <return-argument evaluator="custom" custom-evaluator="spel" expression="'hello' "/>

   <return-argument evaluator="custom" custom-evaluator="spel" expression="#payload.name.toUpperCase() "/>
</expression-transformer>

<message-properties-transformer>

               <add-message-property key="1" value="#[spel:new String('hello world').toUpperCase()]"/>

               <add-message-property key="2" value="#[spel:'good'.concat('bye')]"/>
</message-properties-transformer>

<expression-filter evaluator="custom" customEvaluator="spel" expression="#payload.active"/>

More Information

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