1
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3
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5
6
7 package org.mule.config.expression;
8
9 import org.mule.api.annotations.expressions.Mule;
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
19
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22
23
24
25 public class MuleAnnotationParser implements ExpressionAnnotationParser
26 {
27 public ExpressionArgument parse(Annotation annotation, Class parameterType)
28 {
29 Evaluator evaluator = annotation.annotationType().getAnnotation(Evaluator.class);
30 if (evaluator != null)
31 {
32 Mule muleAnnotation = (Mule)annotation;
33 String val = muleAnnotation.value();
34
35 if ("message.payload".equals(val))
36 {
37
38 val += "(" + parameterType.getName() + ")";
39 }
40
41 return new ExpressionArgument(null, new ExpressionConfig(val, evaluator.value(), null),
42 muleAnnotation.optional(), parameterType);
43 }
44 else
45 {
46 throw new IllegalArgumentException("The @Evaluator annotation must be set on an Expression Annotation");
47 }
48
49 }
50
51 public boolean supports(Annotation annotation)
52 {
53 return annotation instanceof Mule;
54 }
55 }