ExpressionConsumer

The bean named shibboleth.Consumers.Expression executes a Spring Expression Language (SpEL) expression to implement an arbitrary Consumer signature.

The bean named shibboleth.BiConsumers.Expressionexecutes a Spring Expression Language (SpEL) expression to implement an arbitrary BiConsumer signature.

An Expression Consumer is instantiated by supplying a string argument that contains a SpEL expression to evaluate.

Example

<bean id="MyConsumer" parent="shibboleth.Consumers.Expression"
	c:expression="#input.doSomething()" />

Reference

The following additional bean properties are available:

PropertyName	Type	Default	Description

PropertyName	Type	Default	Description
customObject	Bean/Reference		An object to make available to the script via a variable named `custom`
hideExceptions	boolean	false	If true, then any exception raised is masked
inputType (Consumer variant)	Class<?>		Adds type checking against the input to the consumer to enforce type safety
inputTypes (BiConsumer variant)	Pair<Class<?>,Class<?>>		Adds type checking against the input to the consumer to enforce type safety

For the Consumer variant, the expression environment will have these variables populated:

input - the input
custom - the object set via the customObject property, if any

For the BiConsumer variant, the expression environment will have these variables populated:

input1 - the first input
input2 - the second input
custom - the object set via the customObject property, if any