/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.wicket.resource.loader;
import java.util.Locale;
import org.apache.wicket.Component;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.FormComponent;
import org.apache.wicket.markup.html.form.validation.FormValidatorAdapter;
import org.apache.wicket.markup.html.form.validation.IFormValidator;
import org.apache.wicket.validation.IValidator;
import org.apache.wicket.validation.ValidatorAdapter;
/**
* This is one of Wicket's default string resource loaders.
* <p>
* The validator string resource loader checks resource bundles attached to validators (eg
* MinimumValidator.properties). The validator list is pulled from the form / form component in error.
* <p>
* This implementation is fully aware of both locale and style values when trying to obtain the
* appropriate resources.
* <p>
*
* @author igor.vaynberg
*/
public class ValidatorStringResourceLoader extends ComponentStringResourceLoader
{
/**
* Create and initialize the resource loader.
*/
public ValidatorStringResourceLoader()
{
}
/**
* @see org.apache.wicket.resource.loader.ComponentStringResourceLoader#loadStringResource(java.lang.Class,
* java.lang.String, java.util.Locale, java.lang.String, java.lang.String)
*/
@Override
public String loadStringResource(Class<?> clazz, final String key, final Locale locale,
final String style, final String variation)
{
// only care about IValidator/IFormValidator subclasses
if (
clazz == null ||
!(IValidator.class.isAssignableFrom(clazz) || IFormValidator.class.isAssignableFrom(clazz)))
{
return null;
}
return super.loadStringResource(clazz, key, locale, style, variation);
}
/**
* @see org.apache.wicket.resource.loader.ComponentStringResourceLoader#loadStringResource(org.apache.wicket.Component,
* java.lang.String, java.util.Locale, java.lang.String, java.lang.String)
*/
@Override
public String loadStringResource(final Component component, final String key,
final Locale locale, final String style, final String variation)
{
final String resource;
if (component instanceof FormComponent)
{
resource = loadStringResource((FormComponent) component, key, locale, style, variation);
}
else if (component instanceof Form)
{
resource = loadStringResource((Form) component, key, locale, style, variation);
}
else
{
resource = null;
}
return resource;
}
private String loadStringResource(Form<?> form, final String key,
final Locale locale, final String style, final String variation)
{
for (IFormValidator validator : form.getFormValidators())
{
Class<?> scope = getScope(validator);
String resource = loadStringResource(scope, key, locale, style,
variation);
if (resource != null)
{
return resource;
}
}
return null;
}
private String loadStringResource(FormComponent<?> fc, final String key,
final Locale locale, final String style, final String variation)
{
for (IValidator<?> validator : fc.getValidators())
{
Class<?> scope = getScope(validator);
String resource = loadStringResource(scope, key, locale, style,
variation);
if (resource != null)
{
return resource;
}
}
return null;
}
private Class<? extends IValidator> getScope(IValidator<?> validator)
{
Class<? extends IValidator> scope;
if (validator instanceof ValidatorAdapter)
{
scope = ((ValidatorAdapter) validator).getValidator().getClass();
}
else
{
scope = validator.getClass();
}
return scope;
}
private Class<? extends IFormValidator> getScope(IFormValidator formValidator)
{
Class<? extends IFormValidator> scope;
if (formValidator instanceof FormValidatorAdapter)
{
scope = ((FormValidatorAdapter) formValidator).getValidator().getClass();
}
else
{
scope = formValidator.getClass();
}
return scope;
}
}