/**
* 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.camel.component.bean.validator;
import javax.validation.Configuration;
import javax.validation.ConstraintValidatorFactory;
import javax.validation.MessageInterpolator;
import javax.validation.TraversableResolver;
import javax.validation.Validation;
import javax.validation.ValidationProviderResolver;
import javax.validation.ValidatorFactory;
import javax.validation.bootstrap.GenericBootstrap;
/**
* Utility class dedicated to create new {@code javax.validation.ValidatorFactory} instances.
*/
public final class ValidatorFactories {
private ValidatorFactories() {
}
public static ValidatorFactory buildValidatorFactory(boolean osgi,
ValidationProviderResolver validationProviderResolver,
MessageInterpolator messageInterpolator,
TraversableResolver traversableResolver,
ConstraintValidatorFactory constraintValidatorFactory) {
ValidationProviderResolver resolvedValidationProviderResolver =
resolveValidationProviderResolver(osgi, validationProviderResolver);
GenericBootstrap bootstrap = Validation.byDefaultProvider();
if (resolvedValidationProviderResolver != null) {
bootstrap.providerResolver(resolvedValidationProviderResolver);
}
Configuration<?> configuration = bootstrap.configure();
if (messageInterpolator != null) {
configuration.messageInterpolator(messageInterpolator);
}
if (traversableResolver != null) {
configuration.traversableResolver(traversableResolver);
}
if (constraintValidatorFactory != null) {
configuration.constraintValidatorFactory(constraintValidatorFactory);
}
return configuration.buildValidatorFactory();
}
/**
* Resolves optional custom {@code javax.validation.ValidationProviderResolver} to be used by the component. By
* default component tries to use resolver instance bound to the Camel registry under name
* {@code validationProviderResolver} . If there is no such resolver instance in the registry and component is
* running in the OSGi environment, {@link HibernateValidationProviderResolver} will be used. In all the other
* cases this method will return null.
*
* @param osgi specifies if validator factory should be OSGi-aware
* @param validationProviderResolver predefined provider resolver. This parameter overrides the results of the
* resolution.
* @return {@code javax.validation.ValidationProviderResolver} instance or null if no custom resolver should
* be used by the component
*/
private static ValidationProviderResolver resolveValidationProviderResolver(
boolean osgi,
ValidationProviderResolver validationProviderResolver) {
if (validationProviderResolver != null) {
return validationProviderResolver;
}
if (osgi) {
return new HibernateValidationProviderResolver();
}
return null;
}
}