org.springframework.integration.util

Class AbstractExpressionEvaluator

java.lang.Object

org.springframework.integration.util.AbstractExpressionEvaluator

All Implemented Interfaces:

org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.InitializingBean

Direct Known Subclasses:

AbstractMessageProcessor, AbstractMessageSource, DefaultFileNameGenerator, ExpressionEvaluatingMessageListProcessor, ExpressionEvaluatingSqlParameterSourceFactory, MessagingMethodInvokerHelper, MethodInvokingMessageListProcessor

public abstract class AbstractExpressionEvaluator
extends java.lang.Object
implements org.springframework.beans.factory.BeanFactoryAware, org.springframework.beans.factory.InitializingBean

Since:

2.0

Author:

Mark Fisher, Dave Syer, Oleg Zhurakousky, Artem Bilan, Gary Russell

Constructor Summary

Constructors

Constructor and Description
AbstractExpressionEvaluator()

Method Summary

Methods

Modifier and Type	Method and Description
void	afterPropertiesSet()
protected java.lang.Object	evaluateExpression(org.springframework.expression.Expression expression)
protected <T> T	evaluateExpression(org.springframework.expression.Expression expression, java.lang.Class<T> expectedType)
protected <T> T	evaluateExpression(org.springframework.expression.Expression expression, Message<?> message, java.lang.Class<T> expectedType)
protected java.lang.Object	evaluateExpression(org.springframework.expression.Expression expression, java.lang.Object input)
protected <T> T	evaluateExpression(org.springframework.expression.Expression expression, java.lang.Object input, java.lang.Class<T> expectedType)
protected java.lang.Object	evaluateExpression(java.lang.String expression, java.lang.Object input)
protected <T> T	evaluateExpression(java.lang.String expression, java.lang.Object input, java.lang.Class<T> expectedType)
protected org.springframework.expression.spel.support.StandardEvaluationContext	getEvaluationContext()
protected org.springframework.expression.spel.support.StandardEvaluationContext	getEvaluationContext(boolean beanFactoryRequired) Emits a WARN log if the beanFactory field is null, unless the argument is false.
void	setBeanFactory(org.springframework.beans.factory.BeanFactory beanFactory) Specify a BeanFactory in order to enable resolution via @beanName in the expression.
void	setConversionService(org.springframework.core.convert.ConversionService conversionService)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractExpressionEvaluator

public AbstractExpressionEvaluator()

Method Detail

setBeanFactory

public void setBeanFactory(org.springframework.beans.factory.BeanFactory beanFactory)

Specify a BeanFactory in order to enable resolution via @beanName in the expression.

Specified by:

setBeanFactory in interface org.springframework.beans.factory.BeanFactoryAware

setConversionService

public void setConversionService(org.springframework.core.convert.ConversionService conversionService)

afterPropertiesSet

public void afterPropertiesSet()
                        throws java.lang.Exception

Specified by:

afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean

Throws:

java.lang.Exception

getEvaluationContext

protected org.springframework.expression.spel.support.StandardEvaluationContext getEvaluationContext()

getEvaluationContext

protected final org.springframework.expression.spel.support.StandardEvaluationContext getEvaluationContext(boolean beanFactoryRequired)

Emits a WARN log if the beanFactory field is null, unless the argument is false.

Parameters:

beanFactoryRequired - set to false to suppress the warning.

Returns:

The evaluation context.

evaluateExpression

protected <T> T evaluateExpression(org.springframework.expression.Expression expression,
                       Message<?> message,
                       java.lang.Class<T> expectedType)

evaluateExpression

protected java.lang.Object evaluateExpression(java.lang.String expression,
                                  java.lang.Object input)

evaluateExpression

protected <T> T evaluateExpression(java.lang.String expression,
                       java.lang.Object input,
                       java.lang.Class<T> expectedType)

evaluateExpression

protected java.lang.Object evaluateExpression(org.springframework.expression.Expression expression,
                                  java.lang.Object input)

evaluateExpression

protected <T> T evaluateExpression(org.springframework.expression.Expression expression,
                       java.lang.Class<T> expectedType)

evaluateExpression

protected java.lang.Object evaluateExpression(org.springframework.expression.Expression expression)

evaluateExpression

protected <T> T evaluateExpression(org.springframework.expression.Expression expression,
                       java.lang.Object input,
                       java.lang.Class<T> expectedType)