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1   /*
2    * $Id: GroovyAnnotationParser.java 19191 2010-08-25 21:05:23Z tcarlson $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  package org.mule.module.scripting.config;
11  
12  import org.mule.api.annotations.expression.Groovy;
13  import org.mule.api.annotations.meta.Evaluator;
14  import org.mule.api.expression.ExpressionAnnotationParser;
15  import org.mule.expression.ExpressionConfig;
16  import org.mule.expression.transformers.ExpressionArgument;
17  
18  import java.lang.annotation.Annotation;
19  
20  
21  public class GroovyAnnotationParser implements ExpressionAnnotationParser
22  {
23      public ExpressionArgument parse(Annotation annotation, Class<?> parameterType)
24      {
25          Evaluator evaluator = annotation.annotationType().getAnnotation(Evaluator.class);
26          if (evaluator != null)
27          {
28              return new ExpressionArgument(null, new ExpressionConfig(((Groovy) annotation).value(),
29                      evaluator.value(), null), ((Groovy) annotation).optional(), parameterType);
30          }
31          else
32          {
33              throw new IllegalArgumentException("The @Evaluator annotation must be set on an Expression Annotation");
34          }
35      }
36  
37      public boolean supports(Annotation annotation)
38      {
39          return annotation instanceof Groovy;
40      }
41  }