org.mule.expression
Class RegistryExpressionEvaluator

java.lang.Object
  org.mule.expression.RegistryExpressionEvaluator

All Implemented Interfaces:

MuleContextAware, ExpressionEvaluator, NamedObject

public class RegistryExpressionEvaluator
extends Object
implements ExpressionEvaluator, MuleContextAware

Looks up information about objects in the Registry

See Also:

ExpressionEvaluator, DefaultExpressionManager

Field Summary

protected Log	logger logger used by this class
static String	NAME

Constructor Summary

RegistryExpressionEvaluator()

Method Summary

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

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final transient Log logger

logger used by this class

NAME

public static final String NAME

See Also:

Constant Field Values

Constructor Detail

RegistryExpressionEvaluator

public RegistryExpressionEvaluator()

Method Detail

setMuleContext

public void setMuleContext(MuleContext context)

Specified by:

setMuleContext in interface MuleContextAware

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