Package org.apache.camel.language.bean

Class BeanExpression

java.lang.Object

org.apache.camel.language.bean.BeanExpression

All Implemented Interfaces:

org.apache.camel.AfterPropertiesConfigured, org.apache.camel.Expression, org.apache.camel.Predicate

public class BeanExpression
extends Object
implements org.apache.camel.Expression, org.apache.camel.Predicate, org.apache.camel.AfterPropertiesConfigured

Evaluates an expression using a bean method invocation

Constructor Summary

Constructors

Constructor	Description
BeanExpression(Class<?> type, String method)
BeanExpression(Object bean, String method)
BeanExpression(String beanName, String method)

Method Summary

Modifier and Type	Method	Description
void	afterPropertiesConfigured(org.apache.camel.CamelContext camelContext)
Object	evaluate(org.apache.camel.Exchange exchange)
<T> T	evaluate(org.apache.camel.Exchange exchange, Class<T> type)
Object	getBean()
String	getBeanName()
String	getMethod()
Class<?>	getType()
void	init(org.apache.camel.CamelContext context)
boolean	matches(org.apache.camel.Exchange exchange)
void	setBean(Object bean)
void	setBeanName(String beanName)
void	setMethod(String method)
void	setType(Class<?> type)
String	toString()
protected void	validateHasMethod(org.apache.camel.CamelContext context, Object bean, Class<?> type, String method)	Validates the given bean has the method.

Methods inherited from class java.lang.Object

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

Constructor Detail

BeanExpression

public BeanExpression(Object bean,
                      String method)

BeanExpression

public BeanExpression(String beanName,
                      String method)

BeanExpression

public BeanExpression(Class<?> type,
                      String method)

Method Detail

getBean

public Object getBean()

setBean

public void setBean(Object bean)

getBeanName

public String getBeanName()

setBeanName

public void setBeanName(String beanName)

getType

public Class<?> getType()

setType

public void setType(Class<?> type)

getMethod

public String getMethod()

setMethod

public void setMethod(String method)

init

public void init(org.apache.camel.CamelContext context)

Specified by:

init in interface org.apache.camel.Expression

Specified by:

init in interface org.apache.camel.Predicate

toString

public String toString()

Overrides:

toString in class Object

evaluate

public Object evaluate(org.apache.camel.Exchange exchange)

evaluate

public <T> T evaluate(org.apache.camel.Exchange exchange,
                      Class<T> type)

Specified by:

evaluate in interface org.apache.camel.Expression

matches

public boolean matches(org.apache.camel.Exchange exchange)

Specified by:

matches in interface org.apache.camel.Predicate

afterPropertiesConfigured

public void afterPropertiesConfigured(org.apache.camel.CamelContext camelContext)

Specified by:

afterPropertiesConfigured in interface org.apache.camel.AfterPropertiesConfigured

validateHasMethod

protected void validateHasMethod(org.apache.camel.CamelContext context,
                                 Object bean,
                                 Class<?> type,
                                 String method)

Validates the given bean has the method.

This implementation will skip trying to validate OGNL method name expressions.

Parameters:

context - camel context

bean - the bean instance

type - the bean type

method - the method, can be null if no method name provided

Throws:

org.apache.camel.RuntimeCamelException - is thrown if bean does not have the method