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, CollectionArgumentResolver, DefaultFileNameGenerator, ExpressionEvaluatingMessageListProcessor, ExpressionEvaluatingReleaseStrategy, ExpressionEvaluatingSqlParameterSourceFactory, MapArgumentResolver, MessagingMethodInvokerHelper, MethodInvokingMessageListProcessor, PayloadExpressionArgumentResolver, PayloadsArgumentResolver

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

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.springframework.expression.ExpressionParser	EXPRESSION_PARSER
protected org.apache.commons.logging.Log	logger

Constructor Summary

Constructors

Constructor and Description
AbstractExpressionEvaluator()

Method Summary

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, org.springframework.messaging.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.beans.factory.BeanFactory	getBeanFactory()
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.
protected MessageBuilderFactory	getMessageBuilderFactory()
protected void	onInit()
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

Field Detail

logger

protected final org.apache.commons.logging.Log logger

EXPRESSION_PARSER

protected static final org.springframework.expression.ExpressionParser EXPRESSION_PARSER

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

getBeanFactory

protected org.springframework.beans.factory.BeanFactory getBeanFactory()

setConversionService

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

getMessageBuilderFactory

protected MessageBuilderFactory getMessageBuilderFactory()

afterPropertiesSet

public final 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,
                                   org.springframework.messaging.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)

onInit

protected void onInit()