Ejemplo n.º 1
0
  private Expression createParameterUnmarshalExpressionForAnnotation(
      Class<?> clazz, Method method, Class<?> parameterType, Annotation annotation) {
    if (annotation instanceof AttachmentObjects) {
      return ExpressionBuilder.attachmentObjectsExpression();
    } else if (annotation instanceof Attachments) {
      return ExpressionBuilder.attachmentsExpression();
    } else if (annotation instanceof Property) {
      Property propertyAnnotation = (Property) annotation;
      return ExpressionBuilder.exchangePropertyExpression(propertyAnnotation.value());
    } else if (annotation instanceof ExchangeProperty) {
      ExchangeProperty propertyAnnotation = (ExchangeProperty) annotation;
      return ExpressionBuilder.exchangePropertyExpression(propertyAnnotation.value());
    } else if (annotation instanceof Properties) {
      return ExpressionBuilder.propertiesExpression();
    } else if (annotation instanceof Header) {
      Header headerAnnotation = (Header) annotation;
      return ExpressionBuilder.headerExpression(headerAnnotation.value());
    } else if (annotation instanceof Headers) {
      return ExpressionBuilder.headersExpression();
    } else if (annotation instanceof OutHeaders) {
      return ExpressionBuilder.outHeadersExpression();
    } else if (annotation instanceof ExchangeException) {
      return ExpressionBuilder.exchangeExceptionExpression(
          CastUtils.cast(parameterType, Exception.class));
    } else {
      LanguageAnnotation languageAnnotation =
          annotation.annotationType().getAnnotation(LanguageAnnotation.class);
      if (languageAnnotation != null) {
        Class<?> type = languageAnnotation.factory();
        Object object = camelContext.getInjector().newInstance(type);
        if (object instanceof AnnotationExpressionFactory) {
          AnnotationExpressionFactory expressionFactory = (AnnotationExpressionFactory) object;
          return expressionFactory.createExpression(
              camelContext, annotation, languageAnnotation, parameterType);
        } else {
          LOG.warn(
              "Ignoring bad annotation: "
                  + languageAnnotation
                  + "on method: "
                  + method
                  + " which declares a factory: "
                  + type.getName()
                  + " which does not implement "
                  + AnnotationExpressionFactory.class.getName());
        }
      }
    }

    return null;
  }
Ejemplo n.º 2
0
 public static Expression header(String headerName) {
   return ExpressionBuilder.headerExpression(headerName);
 }