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/*
 * Copyright 2002-2015 the original author or authors.
 *
 * 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 org.springframework.validation.beanvalidation;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorFactory;

import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.util.Assert;

/**
 * JSR-303 {@link ConstraintValidatorFactory} implementation that delegates to a
 * Spring BeanFactory for creating autowired {@link ConstraintValidator} instances.
 *
 * 

Note that this class is meant for programmatic use, not for declarative use * in a standard {@code validation.xml} file. Consider * {@link org.springframework.web.bind.support.SpringWebConstraintValidatorFactory} * for declarative use in a web application, e.g. with JAX-RS or JAX-WS. * * @author Juergen Hoeller * @since 3.0 * @see org.springframework.beans.factory.config.AutowireCapableBeanFactory#createBean(Class) * @see org.springframework.context.ApplicationContext#getAutowireCapableBeanFactory() */ public class SpringConstraintValidatorFactory implements ConstraintValidatorFactory { private final AutowireCapableBeanFactory beanFactory; /** * Create a new SpringConstraintValidatorFactory for the given BeanFactory. * @param beanFactory the target BeanFactory */ public SpringConstraintValidatorFactory(AutowireCapableBeanFactory beanFactory) { Assert.notNull(beanFactory, "BeanFactory must not be null"); this.beanFactory = beanFactory; } @Override public > T getInstance(Class key) { return this.beanFactory.createBean(key); } // Bean Validation 1.1 releaseInstance method public void releaseInstance(ConstraintValidator instance) { this.beanFactory.destroyBean(instance); } }





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