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.hl7;
  
  import ca.uhn.hl7v2.AcknowledgmentCode;
  import ca.uhn.hl7v2.ErrorCode;
  import ca.uhn.hl7v2.HapiContext;
  import ca.uhn.hl7v2.validation.ValidationContext;
  import org.apache.camel.Exchange;
  import org.apache.camel.Expression;
  import org.apache.camel.Predicate;
  import org.apache.camel.builder.ValueBuilder;
  import org.apache.camel.model.language.Hl7TerserExpression;
  import org.apache.camel.support.ExpressionAdapter;
  
  public final class HL7 {
  
      private HL7() {
          // Helper class
      }
  
      public static ValueBuilder hl7terser(String expression) {
          return new ValueBuilder(new Hl7TerserExpression(expression));
      }
  
      public static ValueBuilder ack() {
          return new ValueBuilder(new AckExpression());
      }
  
      public static ValueBuilder ack(AcknowledgmentCode code) {
          return new ValueBuilder(new AckExpression(code));
      }
  
      public static ValueBuilder convertLFToCR() {
          return new ValueBuilder(new ExpressionAdapter() {
  
              @Override
              public Object evaluate(Exchange exchange) {
                  String s = exchange.getIn().getBody(String.class);
                  return s != null ? s.replace('\n', '\r') : null;
              }
  
          });
      }
  
      public static ValueBuilder ack(AcknowledgmentCode code, String errorMessage, ErrorCode errorCode) {
          return new ValueBuilder(new AckExpression(code, errorMessage, errorCode));
      }
  
      public static Predicate messageConforms() {
          return new ValidationContextPredicate();
      }
  
      public static Predicate messageConformsTo(HapiContext hapiContext) {
          return new ValidationContextPredicate(hapiContext);
      }
  
      public static Predicate messageConformsTo(ValidationContext validationContext) {
          return new ValidationContextPredicate(validationContext);
      }
  
      public static Predicate messageConformsTo(Expression expression) {
          return new ValidationContextPredicate(expression);
      }
  
  }
  