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// $Id: ValidatorFactory.java 17620 2009-10-04 19:19:28Z hardy.ferentschik $
/*
* JBoss, Home of Professional Open Source
* Copyright 2009, 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
* limitations under the License.
*/
package javax.validation;

/**
 * Factory returning initialized Validator instances.
 * Implementations are thread-safe
 * This object is typically cached and reused.
 *
 * @author Emmanuel Bernard
 */
public interface ValidatorFactory {
	/**
	 * Returns an initialized 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 Validator instance */ Validator getValidator(); /** * Defines a new validator context and return a Validator * compliant this new context. * * @return a ValidatorContext. */ ValidatorContext usingContext(); /** * Returns the MessageInterpolator instance configured at * initialization time for the ValidatorFactory. * This is the instance used by #getValidator(). * * @return MessageInterpolator instance. */ MessageInterpolator getMessageInterpolator(); /** * Returns the TraversableResolver instance configured * at initialization time for the ValidatorFactory. * This is the instance used by #getValidator(). * * @return TraversableResolver instance. */ TraversableResolver getTraversableResolver(); /** * Returns the ConstraintValidatorFactory instance * configured at initialization time for the * ValidatorFactory. * This is the instance used by #getValidator(). * * @return ConstraintValidatorFactory instance. */ ConstraintValidatorFactory getConstraintValidatorFactory(); /** * Return an instance of the specified type allowing access to * provider-specific APIs. If the Bean Validation provider * implementation does not support the specified class, * 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); }