org.mule.expression
Class MapPayloadExpressionEvaluator

java.lang.Object
  extended by org.mule.expression.MapPayloadExpressionEvaluator
All Implemented Interfaces:
ExpressionEvaluator, NamedObject

public class MapPayloadExpressionEvaluator
extends Object
implements ExpressionEvaluator

If the message payload is a map this extractor will look up the property value in the map


Field Summary
static String NAME
           
 
Constructor Summary
MapPayloadExpressionEvaluator()
           
 
Method Summary
 Object evaluate(String expression, MuleMessage message)
          Extracts a single property from the message
 String getName()
          Gets the name of the object
protected  Object getValue(String key, Map map)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

NAME

public static final String NAME
See Also:
Constant Field Values
Constructor Detail

MapPayloadExpressionEvaluator

public MapPayloadExpressionEvaluator()
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

getValue

protected Object getValue(String key,
                          Map map)

getName

public String getName()
Gets the name of the object

Specified by:
getName in interface NamedObject
Returns:
the name of the object


Copyright © 2003-2012 MuleSoft, Inc.. All Rights Reserved.