org.mule.module.ognl.expression

Class OgnlExpressionEvaluator

java.lang.Object

org.mule.expression.AbstractExpressionEvaluator

org.mule.module.ognl.expression.OgnlExpressionEvaluator

All Implemented Interfaces:

ExpressionEvaluator, Disposable, NamedObject

public class OgnlExpressionEvaluator
extends AbstractExpressionEvaluator
implements Disposable

An expression evaluator that uses OGNL as the expression language

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.commons.logging.Log	logger logger used by this class
static String	NAME

Fields inherited from interface org.mule.api.lifecycle.Disposable

PHASE_NAME

Constructor Summary

Constructors

Constructor and Description
OgnlExpressionEvaluator()

Method Summary

Methods

Modifier and Type	Method and Description
void	dispose() A lifecycle method where implementor should free up any resources.
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 org.mule.expression.AbstractExpressionEvaluator

evaluateTyped

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 org.apache.commons.logging.Log logger

logger used by this class

Constructor Detail

OgnlExpressionEvaluator

public OgnlExpressionEvaluator()

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

setName

public void setName(String name)

getName

public String getName()

Description copied from interface: NamedObject

Gets the name of the object

Specified by:

getName in interface NamedObject

Returns:

the name of the object

dispose

public void dispose()

Description copied from interface: Disposable

A lifecycle method where implementor should free up any resources. If an exception is thrown it should just be logged and processing should continue. This method should not throw Runtime exceptions.

Specified by:

dispose in interface Disposable