/***
* Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
* All rights reserved.
*
* Licensed 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 br.com.caelum.vraptor.validator;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import br.com.caelum.vraptor.Result;
import br.com.caelum.vraptor.View;
import br.com.caelum.vraptor.core.Localization;
import br.com.caelum.vraptor.ioc.RequestScoped;
import br.com.caelum.vraptor.proxy.Proxifier;
import br.com.caelum.vraptor.util.test.MockResult;
import br.com.caelum.vraptor.view.ValidationViewsFactory;
/**
* The default validator implementation.
*
* @author Guilherme Silveira
*/
@RequestScoped
public class DefaultValidator extends AbstractValidator {
private static final Logger logger = LoggerFactory.getLogger(DefaultValidator.class);
private final Result result;
private final List<Message> errors = new ArrayList<Message>();
private final ValidationViewsFactory viewsFactory;
private final List<BeanValidator> beanValidators; //registered bean-validators
private final Outjector outjector;
private final Proxifier proxifier;
private final Localization localization;
public DefaultValidator(Result result, ValidationViewsFactory factory, Outjector outjector, Proxifier proxifier, List<BeanValidator> beanValidators, Localization localization) {
this.result = result;
this.viewsFactory = factory;
this.outjector = outjector;
this.proxifier = proxifier;
this.beanValidators = beanValidators;
this.localization = localization;
}
public void checking(Validations validations) {
addAll(validations.getErrors(localization.getBundle()));
}
public void validate(Object object) {
if (beanValidators == null || beanValidators.isEmpty()) {
logger.warn("has no validators registered");
} else {
for (BeanValidator validator : beanValidators) {
addAll(validator.validate(object));
}
}
}
public <T extends View> T onErrorUse(Class<T> view) {
if (!hasErrors()) {
return new MockResult(proxifier).use(view); //ignore anything, no errors occurred
}
result.include("errors", errors);
outjector.outjectRequestMap();
return viewsFactory.instanceFor(view, errors);
}
public void addAll(Collection<? extends Message> messages) {
for (Message message : messages) {
add(message);
}
}
public void add(Message message) {
if (message instanceof I18nMessage && !((I18nMessage) message).hasBundle()) {
((I18nMessage) message).setBundle(localization.getBundle());
}
this.errors.add(message);
}
public boolean hasErrors() {
return !errors.isEmpty();
}
public List<Message> getErrors() {
return Collections.unmodifiableList(this.errors);
}
}