content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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 org.apache.camel.component.bean.validator;
  
  import java.util.HashSet;
  import java.util.Set;
  
  import jakarta.validation.ConstraintViolation;
  import jakarta.validation.ValidatorFactory;
  
  import org.apache.camel.Exchange;
  import org.apache.camel.support.DefaultProducer;
  
  /**
   * Bean validator that uses the JSR 303 reference implementation (Hibernate Validator). Throws
   * {@link BeanValidationException} if constrain violations are detected.
   */
  public class BeanValidatorProducer extends DefaultProducer {
  
      private ValidatorFactory validatorFactory;
      private Class<?> group;
  
      public BeanValidatorProducer(BeanValidatorEndpoint endpoint) {
          super(endpoint);
      }
  
      @Override
      public void process(Exchange exchange) throws Exception {
          Set<ConstraintViolation<Object>> constraintViolations = new HashSet<>();
  
          if (exchange.getIn().getBody() instanceof Iterable) {
              Iterable<?> body = exchange.getIn().getBody(Iterable.class);
              body.forEach(b -> constraintViolations.addAll(getConstraintViolationsForSingleBean(b, this.group)));
          } else {
              constraintViolations.addAll(getConstraintViolationsForSingleBean(exchange.getIn().getBody(), this.group));
          }
  
          if (!constraintViolations.isEmpty()) {
              throw new BeanValidationException(exchange, constraintViolations, exchange.getIn().getBody());
          }
      }
  
      public ValidatorFactory getValidatorFactory() {
          return validatorFactory;
      }
  
      public void setValidatorFactory(ValidatorFactory validatorFactory) {
          this.validatorFactory = validatorFactory;
      }
  
      public Class<?> getGroup() {
          return group;
      }
  
      public void setGroup(Class<?> group) {
          this.group = group;
      }
  
      private Set<ConstraintViolation<Object>> getConstraintViolationsForSingleBean(Object bean, Class<?> group) {
          Set<ConstraintViolation<Object>> constraintViolations;
  
          if (this.group != null) {
              constraintViolations = validatorFactory.getValidator().validate(bean, group);
          } else {
              constraintViolations = validatorFactory.getValidator().validate(bean);
          }
  
          return constraintViolations;
      }
  
  }
  