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This project contains an integration of JSR303 bean validation into Wicket.

How to Use

First we must configure the validation for our Wicket application:

public class MyApplication extends WebApplication {
	@Override
	protected void init()
	{
		super.init();

		// create a configuration
		ValidationConfiguration conf = new ValidationConfiguration();
		
		// tweak the configuration
		
		// bind the configuration to the application
		conf.configure(this);
	}
}		

Once the application is configured we can begin validating fields:

TextField field=new TextField(...);
field.add(new PropertyValidator(new SimpleProperty(Person.class, "name")));

Or if we are using a PropertyModel, or a CompoundPropertyModel, or any model that implements IPropertyReflectionAwareModel there is no need to tell the validator what property it is bound to, it can figure it out itself:

TextField field=new TextField(...);
field.add(new PropertyValidator());

To validate class-level constraints we must use ValidationForm and give it the bean as its model:

Form form = new ValidationForm("form", model);
TextField field=new TextField(...);
field.add(new PropertyValidator(new SimpleProperty(Person.class, "name")));
form.add(field);

Once the form is submitted its model object will be validated.

ValidationForm can also add PropertyValidators to its FormComponents automatically so we dont have to, but once again we need to use one of the supported models:

IModel model = CompoundPropertyModel.of(bean);
Form form = new ValidationForm("form", model);
form.add(new TextField("name"));

In the above example the "name" TextField will have a PropertyValidator added to it automatically.

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Integration of JSR303 bean validation into Wicket

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