/***
* 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 static java.util.Collections.unmodifiableList;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.ResourceBundle;
import javax.inject.Inject;
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;
import com.google.common.base.Supplier;
/**
* The default validator implementation.
*
* @author Guilherme Silveira
*/
@RequestScoped
public class DefaultValidator extends AbstractValidator {
private static final Logger logger = LoggerFactory.getLogger(DefaultValidator.class);
private final class LocalizationSupplier implements Supplier<ResourceBundle> {
public ResourceBundle get() {
return localization.getBundle();
}
}
private final Result result;
private final List<Message> errors = new ArrayList<Message>();
private final ValidationViewsFactory viewsFactory;
private final BeanValidator beanValidator;
private final Outjector outjector;
private final Proxifier proxifier;
private final Localization localization;
public DefaultValidator() {
this(null, null, null, null, null, null);
}
@Inject
public DefaultValidator(Result result, ValidationViewsFactory factory, Outjector outjector, Proxifier proxifier, BeanValidator beanValidator, Localization localization) {
this.result = result;
this.viewsFactory = factory;
this.outjector = outjector;
this.proxifier = proxifier;
this.beanValidator = beanValidator;
this.localization = localization;
}
public void checking(Validations validations) {
addAll(validations.getErrors(new LocalizationSupplier()));
}
public void validate(Object object, Class<?>... groups) {
addAll(beanValidator.validate(object, groups));
}
public void validateProperties(Object object, String... properties) {
addAll(beanValidator.validateProperties(object, properties));
}
public void validateProperty(Object object, String property, Class<?>... groups) {
addAll(beanValidator.validateProperty(object, property, groups));
}
public <T extends View> T onErrorUse(Class<T> view) {
if (!hasErrors()) {
return new MockResult(proxifier).use(view); //ignore anything, no errors occurred
}
if (logger.isDebugEnabled()) {
logger.debug("there are errors on result: {}", errors);
}
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).setLazyBundle(new LocalizationSupplier());
}
errors.add(message);
}
public boolean hasErrors() {
return !errors.isEmpty();
}
public List<Message> getErrors() {
return unmodifiableList(errors);
}
}