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