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.language.joor;
  
  import java.lang.annotation.Annotation;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.Expression;
  import org.apache.camel.support.language.DefaultAnnotationExpressionFactory;
  import org.apache.camel.support.language.LanguageAnnotation;
  
  public class JavaAnnotationExpressionFactory extends DefaultAnnotationExpressionFactory {
  
      @Override
      public Expression createExpression(
              CamelContext camelContext, Annotation annotation,
              LanguageAnnotation languageAnnotation, Class<?> expressionReturnType) {
  
          Object[] params = new Object[3];
          Class<?> resultType = getResultType(annotation);
          if (resultType.equals(Object.class)) {
              resultType = expressionReturnType;
          }
          params[0] = resultType;
          if (annotation instanceof Java) {
              Java joorAnnotation = (Java) annotation;
              params[1] = joorAnnotation.preCompile();
              params[2] = joorAnnotation.singleQuotes();
          }
          String expression = getExpressionFromAnnotation(annotation);
          return camelContext.resolveLanguage("java").createExpression(expression, params);
      }
  
      private Class<?> getResultType(Annotation annotation) {
          return (Class<?>) getAnnotationObjectValue(annotation, "resultType");
      }
  }
  