/* * 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.pluto.container.bean.mvc; import java.util.Iterator; import javax.annotation.PostConstruct; import javax.enterprise.context.ApplicationScoped; import javax.enterprise.context.Dependent; import javax.enterprise.inject.Instance; import javax.enterprise.inject.Produces; import javax.inject.Inject; import javax.validation.MessageInterpolator; import javax.validation.NoProviderFoundException; import javax.validation.Validation; import javax.validation.Validator; import javax.validation.ValidatorFactory; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * @author Neil Griffin */ @ApplicationScoped public class BeanValidationProducer { private static final Logger LOG = LoggerFactory.getLogger(BeanValidationProducer.class); private MessageInterpolator messageInterpolator; private Validator validator; @Inject private Instance<ValidatorFactory> validatorFactoryInstance; @BeanValidationMessageInterpolator @Dependent @Produces public MessageInterpolator getMessageInterpolator() { return messageInterpolator; } @BeanValidationValidator @Dependent @Produces public Validator getValidator() { return validator; } @PostConstruct public void postConstruct() { ValidatorFactory validatorFactory = null; Iterator<ValidatorFactory> iterator = validatorFactoryInstance.iterator(); if (iterator.hasNext()) { validatorFactory = iterator.next(); } if (validatorFactory == null) { if (LOG.isWarnEnabled()) { LOG.warn("ValidatorFactory was not injected -- if using Hibernate " + "Validator, please include the " + "hibernate-validator-cdi dependency."); } try { validatorFactory = Validation.buildDefaultValidatorFactory(); } catch (NoProviderFoundException npfe) { LOG.error(npfe.getMessage(), npfe); } } if (validatorFactory != null) { messageInterpolator = validatorFactory.getMessageInterpolator(); if ((messageInterpolator == null) && LOG.isWarnEnabled()) { LOG.warn("Bean validation MessageInterpolator not available"); } validator = validatorFactory.getValidator(); if ((validator == null) && LOG.isWarnEnabled()) { LOG.warn("Bean validation validator not available"); } } } }