org.mule.expression

Class IllegalExpressionEvaluator

java.lang.Object

org.mule.expression.IllegalExpressionEvaluator

All Implemented Interfaces:

ExpressionEvaluator, NamedObject

Direct Known Subclasses:

ExceptionTypeExpressionEvaluator, PayloadTypeExpressionEvaluator, RegexExpressionEvaluator, WilcardExpressionEvaluator

public abstract class IllegalExpressionEvaluator
extends Object
implements ExpressionEvaluator

Defines an ExpressionEvaluator that can never be evaluated.

Field Summary

Fields

Modifier and Type	Field and Description
static String	ILLEGAL_EVALUATOR_MESSAGE

Constructor Summary

Constructors

Constructor and Description
IllegalExpressionEvaluator()

Method Summary

Methods

Modifier and Type	Method and Description
Object	evaluate(String expression, MuleMessage message) Extracts a single property from the message
TypedValue	evaluateTyped(String expression, MuleMessage message) Extracts a single typed property from the message

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.mule.api.NamedObject

getName

Field Detail

ILLEGAL_EVALUATOR_MESSAGE

public static final String ILLEGAL_EVALUATOR_MESSAGE

See Also:

Constant Field Values

Constructor Detail

IllegalExpressionEvaluator

public IllegalExpressionEvaluator()

Method Detail

evaluate

public Object evaluate(String expression,
              MuleMessage message)

Description copied from interface: ExpressionEvaluator

Extracts a single property from the message

Specified by:

evaluate in interface ExpressionEvaluator

Parameters:

expression - the property expression or expression

message - the message to extract from

Returns:

the result of the extraction or null if the property was not found

evaluateTyped

public TypedValue evaluateTyped(String expression,
                       MuleMessage message)

Description copied from interface: ExpressionEvaluator

Extracts a single typed property from the message

Specified by:

evaluateTyped in interface ExpressionEvaluator

Parameters:

expression - the property expression or expression

message - the message to extract from

Returns:

a no null data type for the extracted value