org.mule.expression
Class OutboundHeadersExpressionEvaluator

java.lang.Object
  org.mule.expression.OutboundHeadersExpressionEvaluator

All Implemented Interfaces:

ExpressionEvaluator, NamedObject

public class OutboundHeadersExpressionEvaluator
extends Object
implements ExpressionEvaluator

Creates a Map facade around a MuleMessage instance to allow access to outbound headers from within components and transformers without the these objects needing access to the Mule Message

Nested Class Summary

static class

OutboundHeadersExpressionEvaluator.SendHeadersMap

Field Summary

protected Log	logger logger used by this class
static String	NAME

Constructor Summary

OutboundHeadersExpressionEvaluator()

Method Summary

Object	evaluate(String expression, MuleMessage message) Extracts a single property from the message
String	getName() Gets the name of the object
void	setName(String name)

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

logger

protected final transient Log logger

logger used by this class

Constructor Detail

OutboundHeadersExpressionEvaluator

public OutboundHeadersExpressionEvaluator()

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

getName

public String getName()

Gets the name of the object

Specified by:

getName in interface NamedObject

Returns:

the name of the object

setName

public void setName(String name)