/***
* 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.Collection;
import java.util.List;
import java.util.Locale;
import java.util.ResourceBundle;
import java.util.Set;
import javax.enterprise.context.RequestScoped;
import javax.inject.Inject;
import javax.validation.ConstraintViolation;
import javax.validation.MessageInterpolator;
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.proxy.Proxifier;
import br.com.caelum.vraptor.util.test.MockResult;
import br.com.caelum.vraptor.validator.beanvalidation.BeanValidatorContext;
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 ValidationViewsFactory viewsFactory;
private final Outjector outjector;
private final Proxifier proxifier;
private final ResourceBundle bundle;
private final javax.validation.Validator bvalidator;
private final MessageInterpolator interpolator;
private final Locale locale;
private final Messages messages;
/**
* @deprecated CDI eyes only
*/
protected DefaultValidator() {
this(null, null, null, null, null, null, null, null, null);
}
@Inject
public DefaultValidator(Result result, ValidationViewsFactory factory, Outjector outjector, Proxifier proxifier,
ResourceBundle bundle, javax.validation.Validator bvalidator, MessageInterpolator interpolator, Locale locale,
Messages messages) {
this.result = result;
this.viewsFactory = factory;
this.outjector = outjector;
this.proxifier = proxifier;
this.bundle = bundle;
this.bvalidator = bvalidator;
this.interpolator = interpolator;
this.locale = locale;
this.messages = messages;
}
@Override
public Validator check(boolean condition, Message message) {
return ensure(condition, message);
}
@Override
public Validator ensure(boolean expression, Message message) {
return addIf(!expression, message);
}
@Override
public Validator addIf(boolean expression, Message message) {
message.setBundle(bundle);
if (expression) {
messages.add(message);
}
return this;
}
@Override
public Validator validate(Object object, Class<?>... groups) {
if (object != null) {
addAll(bvalidator.validate(object, groups));
}
return this;
}
@Override
public Validator addAll(Collection<? extends Message> messages) {
for (Message message : messages) {
add(message);
}
return this;
}
@Override
public Validator add(Message message) {
message.setBundle(bundle);
messages.add(message);
return this;
}
public <T> Validator addAll(Set<ConstraintViolation<T>> errors) {
for (ConstraintViolation<T> v : errors) {
String msg = interpolator.interpolate(v.getMessageTemplate(), new BeanValidatorContext(v), locale);
String category = v.getPropertyPath().toString();
add(new SimpleMessage(category, msg));
logger.debug("added message {}={} for contraint violation", category, msg);
}
return this;
}
@Override
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", getErrors());
outjector.outjectRequestMap();
logger.debug("there are errors on result: {}", getErrors());
return viewsFactory.instanceFor(view, getErrors());
}
@Override
public boolean hasErrors() {
return !getErrors().isEmpty();
}
@Override
public List<Message> getErrors() {
return messages.getErrors();
}
}