org.mule.expression.transformers
Class AbstractExpressionTransformer

java.lang.Object
  extended by org.mule.transformer.AbstractTransformer
      extended by org.mule.transformer.AbstractMessageTransformer
          extended by org.mule.expression.transformers.AbstractExpressionTransformer
All Implemented Interfaces:
AnnotatedObject, MuleContextAware, Disposable, Initialisable, NameableObject, NamedObject, MessageProcessor, MessageTransformer, Transformer, EndpointAware
Direct Known Subclasses:
AtomEntryBuilderTransformer, BeanBuilderTransformer, ExpressionTransformer

public abstract class AbstractExpressionTransformer
extends AbstractMessageTransformer

This transformer will evaluate one or more expressions on the current message and return the results as an Array. If only one expression is defined it will return the object returned from the expression.

You can use expressions to extract

and more.

This transformer provides a very powerful way to pull different bits of information from the message and pass them to the service.


Field Summary
protected  List<ExpressionArgument> arguments
           
 
Fields inherited from class org.mule.transformer.AbstractTransformer
encoding, endpoint, logger, mimeType, MULE_MESSAGE_DATA_TYPE, muleContext, name, returnType, sourceTypes
 
Fields inherited from interface org.mule.api.lifecycle.Initialisable
PHASE_NAME
 
Fields inherited from interface org.mule.api.lifecycle.Disposable
PHASE_NAME
 
Fields inherited from interface org.mule.api.AnnotatedObject
PROPERTY_NAME
 
Constructor Summary
AbstractExpressionTransformer()
           
 
Method Summary
 void addArgument(ExpressionArgument argument)
           
 List<ExpressionArgument> getArguments()
           
 void initialise()
          Template method were deriving classes can do any initialisation after the properties have been set on this transformer
 boolean removeArgument(ExpressionArgument argument)
           
 void setArguments(List<ExpressionArgument> arguments)
           
 
Methods inherited from class org.mule.transformer.AbstractMessageTransformer
checkReturnClass, doTransform, isSourceDataTypeSupported, transform, transform, transform, transformMessage
 
Methods inherited from class org.mule.transformer.AbstractTransformer
dispose, generateTransformerName, getAnnotation, getAnnotations, getEncoding, getEncoding, getEndpoint, getMimeType, getName, getReturnClass, getReturnDataType, getSourceDataTypes, getSourceTypes, isAcceptNull, isAllowNullReturn, isConsumed, isIgnoreBadInput, isSourceDataTypeSupported, isSourceTypeSupported, isSourceTypeSupported, process, registerSourceType, registerSourceType, setAllowNullReturn, setAnnotations, setEncoding, setEndpoint, setIgnoreBadInput, setMimeType, setMuleContext, setName, setReturnClass, setReturnDataType, toString, transform, unregisterSourceType, unregisterSourceType
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.mule.api.transformer.Transformer
getEncoding, getEndpoint, getMimeType, getReturnClass, getReturnDataType, getSourceDataTypes, getSourceTypes, isAcceptNull, isIgnoreBadInput, isSourceDataTypeSupported, isSourceTypeSupported, setReturnClass, setReturnDataType, transform
 
Methods inherited from interface org.mule.api.processor.MessageProcessor
process
 
Methods inherited from interface org.mule.api.lifecycle.Disposable
dispose
 
Methods inherited from interface org.mule.api.NameableObject
setName
 
Methods inherited from interface org.mule.api.NamedObject
getName
 
Methods inherited from interface org.mule.api.context.MuleContextAware
setMuleContext
 
Methods inherited from interface org.mule.endpoint.EndpointAware
setEndpoint
 

Field Detail

arguments

protected List<ExpressionArgument> arguments
Constructor Detail

AbstractExpressionTransformer

public AbstractExpressionTransformer()
Method Detail

addArgument

public void addArgument(ExpressionArgument argument)

removeArgument

public boolean removeArgument(ExpressionArgument argument)

initialise

public void initialise()
                throws InitialisationException
Template method were deriving classes can do any initialisation after the properties have been set on this transformer

Specified by:
initialise in interface Initialisable
Overrides:
initialise in class AbstractTransformer
Throws:
InitialisationException
RecoverableException - if an error occurs that can be recovered from

getArguments

public List<ExpressionArgument> getArguments()

setArguments

public void setArguments(List<ExpressionArgument> arguments)


Copyright © 2003-2014 MuleSoft, Inc.. All Rights Reserved.