ValidatorFactorySingleton.java

/*
 * This file is a part of GrantMaster.
 * Copyright (C) 2015  Gábor Fehér <feherga@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.github.gaborfeher.grantmaster.framework.utils;

import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import org.apache.bval.jsr303.ApacheValidationProvider;

public enum ValidatorFactorySingleton {
  SINGLE_INSTANCE {
    ValidatorFactory avf =
        Validation.byProvider(ApacheValidationProvider.class).configure().buildValidatorFactory();

    @Override
    public Validator getValidator() {
        return avf.getValidator();
    }
  };

  public abstract Validator getValidator(); 
}