public class JsonExpressionEvaluator extends AbstractExpressionEvaluator
#[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]
JsonData
Modifier and Type | Field and Description |
---|---|
protected Log |
logger
logger used by this class
|
Constructor and Description |
---|
JsonExpressionEvaluator() |
Modifier and Type | Method and Description |
---|---|
Object |
evaluate(String expression,
MuleMessage message)
Extracts a single property from the message
|
protected Object |
extractResultFromNode(org.codehaus.jackson.JsonNode result) |
String |
getName()
Gets the name of the object
|
evaluateTyped
protected final transient Log logger
public Object evaluate(String expression, MuleMessage message)
ExpressionEvaluator
expression
- the property expression or expressionmessage
- the message to extract fromprotected Object extractResultFromNode(org.codehaus.jackson.JsonNode result)
public String getName()
NamedObject
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