1
2
3
4
5
6
7 package org.mule.config.parsers;
8
9 import org.mule.api.annotations.meta.Evaluator;
10 import org.mule.api.annotations.param.OutboundHeaders;
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 import java.util.Map;
17
18
19
20
21
22 public class OutboundHeadersAnnotationParser implements ExpressionAnnotationParser
23 {
24 public ExpressionArgument parse(Annotation annotation, Class<?> parameterType)
25 {
26 if(!Map.class.isAssignableFrom(parameterType))
27 {
28 throw new IllegalArgumentException("The @OutboundHeaders annotation can only be set on a java.util.Map parameter");
29 }
30 Evaluator evaluator = annotation.annotationType().getAnnotation(Evaluator.class);
31 if (evaluator != null)
32 {
33 return new ExpressionArgument(null, new ExpressionConfig("", evaluator.value(), null), false);
34 }
35 else
36 {
37 throw new IllegalArgumentException("The @Evaluator annotation must be set on an Expression Annotation");
38 }
39 }
40
41 public boolean supports(Annotation annotation)
42 {
43 return annotation instanceof OutboundHeaders;
44 }
45 }