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From "Frost, Gary [IT]" <>
Subject [BeanUtils] how to determine whether a class has a [nested] metho d
Date Tue, 15 Apr 2003 07:31:16 GMT

I've started looking at using beanUtils, specifically
PropertyUtil.getProperty(someObject, someNestedString);

I was wondering whether there is the facility in the utils to determine
whether for a given class object (not instance) the nested method string is
valid.. That is if I have
public class SomeBean
	private SubBean subBean;
	public SubBean getSubBean() { return subBean; }
	public void setSubBean(SubBean subBean) { this.subBean = subBean; }
public class SubBean
	private Integer someInteger;
	public Integer getSomeInteger() { return someInteger; }
	public void setSomeInteger(Integer someInteger) { this.someInteger =
someInteger; }

I understand that for an *instance* of SomeBean, that the Integer anInt =
(Integer)PropertyUtil.getProperty(someInstance, "subBean.someInteger"); gets
me the appropriate value from, lovely, I mean really really handy stuff..

Now the question is, is it possible form me to determine (upfront without an
instance os SomeBean) whether subBean.someInteger is valid.. i.e. something
like boolean hasMethod = PropertyUtil.hasMethod(SomeBean.class,

Gary Frost
Programmer Analyst
Level 11, 2 Park Street
Sydney NSW Australia 2000

Phone: 		(+612) 82251572

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