content: /*
   * Copyright (c) 2024, Alibaba Cloud;
   * 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 com.aliyun.dataworks.migrationx.transformer.core.common;
  
  import javax.validation.*;
  import java.util.Set;
  
  /**
   * @author sam.liux
   * @date 2019/09/02
   */
  public class ValidationUtils {
      private static Validator validator;
  
      static {
          ValidatorFactory vf = Validation.buildDefaultValidatorFactory();
          validator = vf.getValidator();
      }
  
      public static <T> void validate(T t) throws ValidationException {
          Set<ConstraintViolation<T>> set = validator.validate(t);
          if (set.size() > 0) {
              StringBuilder validateError = new StringBuilder();
              for (ConstraintViolation<T> val : set) {
                  validateError.append(val.getMessage() + " ;");
              }
              throw new ValidationException(validateError.toString());
          }
      }
  }
  