An expression evaluator to allow users to define json expressions in their mule configuration, i.e.
#[json:person/addresses[0]/postcode]
See the
JsonData object for mor information about the query syntax.
It is also possible to use this evaluator in
ExpressionFilter objects. For example
a filter could be defined as -
#[json:person/registered]
Where 'registered' is a boolean value. It is also possible to filter on the existence of a value i.e.
#[json:person/favouriteColour]
Which would return true if 'favouriteColour' has been set. This evaluator also dds two logic operators you can use
to create more sophisticated boolean expressions; equals and not equals -
#[json:person/favouriteColour = red]
or
#[json:person/favouriteColour != brown]