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    <p>I created a little sample project out of my own curiosity and fiddled a little with the MetadataReader provided by Spring. For the demo I created a very simple controller which looked like this:</p> <pre><code>@Controller public class SomeAnnotatedController { @RequestMapping(method = {RequestMethod.GET}, value = "/someUrl") public void someMethod() { // do something later } } </code></pre> <p>I was not able to extract the correct information from the annotation using the Spring MetadataReader.</p> <pre><code>@Test public void shouldReturnMethodArrayWithSpringMetadataReader() throws Exception { MetadataReader metadataReader = new CachingMetadataReaderFactory().getMetadataReader(SomeAnnotatedController.class.getName()); Set&lt;MethodMetadata&gt; annotatedMethods = metadataReader.getAnnotationMetadata().getAnnotatedMethods(RequestMapping.class.getName()); assertEquals(1, annotatedMethods.size()); MethodMetadata methodMetadata = annotatedMethods.iterator().next(); assertEquals("someMethod", methodMetadata.getMethodName()); Map&lt;String, Object&gt; annotationAttributes = methodMetadata.getAnnotationAttributes(RequestMapping.class.getName()); assertTrue(annotationAttributes.containsKey("method")); RequestMethod[] methodAttribute = (RequestMethod[]) annotationAttributes.get("method"); assertEquals(1, methodAttribute.length); } </code></pre> <p>Running this test fails in the last line and tells you that this is an empty array...</p> <pre><code>java.lang.AssertionError: Expected :1 Actual :0 </code></pre> <p>Doing the same with native Java feels a little bit easier and returns the correct information.</p> <pre><code>@Test public void shouldReturnMethodArrayWithPlainJava() throws Exception { Method method = SomeAnnotatedController.class.getDeclaredMethod("someMethod"); RequestMapping annotation = method.getAnnotation(RequestMapping.class); assertEquals(1, annotation.method().length); assertEquals(RequestMethod.GET, annotation.method()[0]); } </code></pre> <p>So I am sorry to tell you that I did not find a solution to the problem but maybe the sample project or the documented alternative based on plain java might help.</p>
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    1. COThanks! I think we'll refactor the code to use plain java
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      1. USPatrick Cornelissen
 

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