1
2
3
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5
6
7 package org.mule.config.parsers;
8
9 import org.mule.api.annotations.meta.Evaluator;
10 import org.mule.api.annotations.param.InboundAttachments;
11 import org.mule.api.expression.ExpressionAnnotationParser;
12 import org.mule.expression.ExpressionConfig;
13 import org.mule.expression.MessageAttachmentExpressionEvaluator;
14 import org.mule.expression.MessageAttachmentsExpressionEvaluator;
15 import org.mule.expression.MessageAttachmentsListExpressionEvaluator;
16 import org.mule.expression.transformers.ExpressionArgument;
17
18 import java.lang.annotation.Annotation;
19 import java.util.List;
20 import java.util.Map;
21
22 import static org.mule.expression.ExpressionConstants.OPTIONAL_ARGUMENT;
23
24
25
26
27
28 public class InboundAttachmentsAnnotationParser implements ExpressionAnnotationParser
29 {
30 public ExpressionArgument parse(Annotation annotation, Class<?> parameterType)
31 {
32 Evaluator evaluator = annotation.annotationType().getAnnotation(Evaluator.class);
33 if (evaluator != null)
34 {
35 String expr = ((InboundAttachments) annotation).value();
36 boolean optional = false;
37
38
39 String eval = MessageAttachmentExpressionEvaluator.NAME;
40 if (parameterType.isAssignableFrom(Map.class))
41 {
42 eval = MessageAttachmentsExpressionEvaluator.NAME;
43 }
44 else if (parameterType.isAssignableFrom(List.class))
45 {
46 eval = MessageAttachmentsListExpressionEvaluator.NAME;
47 }
48 else if(expr.endsWith(OPTIONAL_ARGUMENT))
49 {
50
51
52 optional = true;
53 }
54 return new ExpressionArgument(null, new ExpressionConfig(expr, eval, null), optional, parameterType);
55 }
56 else
57 {
58 throw new IllegalArgumentException("The @Evaluator annotation must be set on an Expression Annotation");
59 }
60 }
61
62 public boolean supports(Annotation annotation)
63 {
64 return annotation instanceof InboundAttachments;
65 }
66 }