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* JBoss, Home of Professional Open Source
* Copyright 2009-2012, Red Hat, Inc. and/or its affiliates, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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
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*/
package javax.validation;

/**
 * Factory returning initialized {@code Validator} instances.
 * 

* Implementations are thread-safe and instances are typically cached and reused. * * @author Emmanuel Bernard * @author Gunnar Morling * @author Hardy Ferentschik */ public interface ValidatorFactory { /** * Returns an initialized {@link Validator} instance using the * factory defaults for message interpolator, traversable resolver * and constraint validator factory. *

* Validator instances can be pooled and shared by the implementation. * * @return an initialized {@code Validator} instance */ Validator getValidator(); /** * Defines a new validator context and returns a {@code Validator} * compliant this new context. * * @return a {@link ValidatorContext} instance */ ValidatorContext usingContext(); /** * Returns the {@link MessageInterpolator} instance configured at * initialization time for the {@code ValidatorFactory}. * This is the instance used by {@link #getValidator()}. * * @return {@code MessageInterpolator} instance */ MessageInterpolator getMessageInterpolator(); /** * Returns the {@link TraversableResolver} instance configured * at initialization time for the {@code ValidatorFactory}. * This is the instance used by {@link #getValidator()}. * * @return {@code TraversableResolver} instance */ TraversableResolver getTraversableResolver(); /** * Returns the {@link ConstraintValidatorFactory} instance * configured at initialization time for the * {@code ValidatorFactory}. * This is the instance used by {@link #getValidator()}. * * @return {@code ConstraintValidatorFactory} instance */ ConstraintValidatorFactory getConstraintValidatorFactory(); /** * Returns the {@link ParameterNameProvider} instance configured at * initialization time for the {@code ValidatorFactory}. * This is the instance used by #getValidator(). * * @return {@code ParameterNameProvider} instance * * @since 1.1 */ ParameterNameProvider getParameterNameProvider(); /** * Returns an instance of the specified type allowing access to * provider-specific APIs. If the Bean Validation provider * implementation does not support the specified class, a * {@code ValidationException} is thrown. * * @param type the class of the object to be returned * @return an instance of the specified class * @throws ValidationException if the provider does not * support the call. */ public T unwrap(Class type); /** * Closes the {@code ValidatorFactory} instance. * * After the {@code ValidatorFactory} instance is closed, calling the following * methods is not allowed: *

    *
  • methods of this {@code ValidatorFactory} instance
  • *
  • methods of {@link Validator} instances created by this {@code ValidatorFactory}
  • *
* * @since 1.1 */ public void close(); }




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