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package org.glassfish.jersey.server.validation;

import javax.validation.ConstraintValidatorFactory;
import javax.validation.MessageInterpolator;
import javax.validation.ParameterNameProvider;
import javax.validation.TraversableResolver;

/**
 * Configuration class for Bean Validation provider.
 *
 * @author Michal Gajdos (michal.gajdos at oracle.com)
 */
public final class ValidationConfig {

    private MessageInterpolator messageInterpolator;
    private TraversableResolver traversableResolver;
    private ConstraintValidatorFactory constraintValidatorFactory;
    private ParameterNameProvider parameterNameProvider;

    /**
     * Return {@code MessageInterpolator} implementation used for configuration.
     *
     * @return instance of {@code MessageInterpolator} or {@code null} if not defined.
     */
    public MessageInterpolator getMessageInterpolator() {
        return messageInterpolator;
    }

    /**
     * Return {@code TraversableResolver} implementation used for configuration.
     *
     * @return instance of {@code TraversableResolver} or {@code null} if not defined.
     */
    public TraversableResolver getTraversableResolver() {
        return traversableResolver;
    }

    /**
     * Return {@code ConstraintValidatorFactory} implementation used for configuration.
     *
     * @return instance of {@code ConstraintValidatorFactory} or {@code null} if not defined.
     */
    public ConstraintValidatorFactory getConstraintValidatorFactory() {
        return constraintValidatorFactory;
    }

    /**
     * Return {@code ParameterNameProvider} implementation used for configuration.
     *
     * @return instance of {@code ParameterNameProvider} or {@code null} if not defined.
     */
    public ParameterNameProvider getParameterNameProvider() {
        return parameterNameProvider;
    }

    /**
     * Defines the message interpolator.
     * If {@code null} is passed, the default message interpolator is used.
     *
     * @param messageInterpolator message interpolator implementation.
     */
    public ValidationConfig messageInterpolator(final MessageInterpolator messageInterpolator) {
        this.messageInterpolator = messageInterpolator;
        return this;
    }

    /**
     * Defines the traversable resolver.
     * If {@code null} is passed, the default traversable resolver is used.
     *
     * @param traversableResolver traversable resolver implementation.
     */
    public ValidationConfig traversableResolver(final TraversableResolver traversableResolver) {
        this.traversableResolver = traversableResolver;
        return this;
    }

    /**
     * Defines the constraint validator factory.
     * If {@code null} is passed, the default constraint validator factory is used.
     *
     * @param constraintValidatorFactory constraint factory implementation.
     */
    public ValidationConfig constraintValidatorFactory(final ConstraintValidatorFactory constraintValidatorFactory) {
        this.constraintValidatorFactory = constraintValidatorFactory;
        return this;
    }

    /**
     * Defines the parameter name provider.
     * If {@code null} is passed, the default parameter name provider is used.
     *
     * @param parameterNameProvider parameter name provider implementation.
     */
    public ValidationConfig parameterNameProvider(final ParameterNameProvider parameterNameProvider) {
        this.parameterNameProvider = parameterNameProvider;
        return this;
    }
}
