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10 package org.mule.config.parsers;
11
12 import org.mule.api.annotations.meta.Evaluator;
13 import org.mule.api.annotations.param.OutboundHeaders;
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 import java.util.Map;
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25 public class OutboundHeadersAnnotationParser implements ExpressionAnnotationParser
26 {
27 public ExpressionArgument parse(Annotation annotation, Class<?> parameterType)
28 {
29 if(!Map.class.isAssignableFrom(parameterType))
30 {
31 throw new IllegalArgumentException("The @OutboundHeaders annotation can only be set on a java.util.Map parameter");
32 }
33 Evaluator evaluator = annotation.annotationType().getAnnotation(Evaluator.class);
34 if (evaluator != null)
35 {
36 return new ExpressionArgument(null, new ExpressionConfig("", evaluator.value(), null), false);
37 }
38 else
39 {
40 throw new IllegalArgumentException("The @Evaluator annotation must be set on an Expression Annotation");
41 }
42 }
43
44 public boolean supports(Annotation annotation)
45 {
46 return annotation instanceof OutboundHeaders;
47 }
48 }