<form:input path="property[10]"/> cause org.springframework.beans.NotReadableProperty

[joksy]

Ciao Guys,

I have a problem using the <form:input tag.

following i show a piece of my class which it will be populate after the submitting of the form.

public class ArrayOfProperty{
private String[] test = {"1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1"};

public String getpropertydatalabel(int id){
	return this.test[id];
}

public void setpropertydatalabel(int id,String value){
	this.test[id] = value;
}
}

but when i use <form:input path="propertydatalabel[1]" size="1" maxlength="200" lang="en" dir="ltr" /> this tag i encounter this exception

org.springframework.beans.NotReadablePropertyExcep tion: Invalid property 'propertydatalabel[1]' of bean class [com.generalstudios.ArrayOfProperty]: Bean property 'propertydatalabel[1]' is not readable or has an invalid getter method: Does the return type of the getter match the parameter type of the setter?
org.springframework.beans.BeanWrapperImpl.getPrope rtyValue(BeanWrapperImpl.java:540)
org.springframework.beans.BeanWrapperImpl.getPrope rtyValue(BeanWrapperImpl.java:532)

So in the end i want to reproduce the same behavior of the <html: tag of struts

[Marten Deinum]

Your getter/setter doesn't adhere to the javabeans spec. It should return the [] not an element. get[array](idx) or set(idx, value) isn't supported in spring nor is it needed.

[joksy]

Your getter/setter doesn't adhere to the javabeans spec. It should return the [] not an element. get[array](idx) or set(idx, value) isn't supported in spring nor is it needed.

Thanks for reply. Can you explain why is not it needed?? Ok in this particular example for sure not but in a different context could be useful.

anyway thanks again.

[Marten Deinum]

Spring MVC isn't struts it works differently, it used PropertyEditors for conversion of objects and you don't need to add the getters/setters which provide the functionality to retrieve the object/set the object at the desired location.

[joksy]

Plus, i know for sure that struts support this kind of task since probably the first version, so I think that spring must have something similar

[joksy]

Spring MVC isn't struts it works differently, it used PropertyEditors for conversion of objects and you don't need to add the getters/setters which provide the functionality to retrieve the object/set the object at the desired location.

Ok. you have right that are different, but this not implies that this kind of features is not needed.

Anyway is not a big big big problem.

Thanks have a nice day

[Marten Deinum]

Plus, i know for sure that struts support this kind of task since probably the first version, so I think that spring must have something similar

No it doesn't as it works differently...

[MrPatol]

Hi,
at 5.4.1 point of reference doc http://static.springsource.org/sprin...alidation.html however is explained how to access indexed values. The bean should expose on a single method a Map, an Array or a List.

BTW I don't know if then it works as setter of a property via form tags.

Kind regards,
LP

[triqui]

This will work:

public class ArrayOfProperty{
	private String[] test = {"1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1","1"};

	public String getPropertyDataLabels () {
		return this.test;
	}
}

<form:input path="propertyDataLabels[1]" size="1" maxlength="200" lang="en" dir="ltr" />

But then you have to upgrade to latest Spring 3.0.2, since Spring 3.0.1 (SPR-6871) strips out the square brackets so it won't work.