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From "Benedikt Ritter (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LANG-1021) Provide methods to retrieve all fields/methods annotated with a specific type
Date Sun, 20 Jul 2014 09:15:39 GMT

    [ https://issues.apache.org/jira/browse/LANG-1021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14067865#comment-14067865
] 

Benedikt Ritter commented on LANG-1021:
---------------------------------------

{code}
bene@Benedikts-MacBook-Pro:~/workspace/apache/commons/lang$ svn ci -m "LANG-1021: Provide
methods to retrieve all fields/methods annotated with a specific type. Thanks to Alexander
Müller."
Sending        src/changes/changes.xml
Sending        src/main/java/org/apache/commons/lang3/reflect/FieldUtils.java
Sending        src/main/java/org/apache/commons/lang3/reflect/MethodUtils.java
Sending        src/test/java/org/apache/commons/lang3/reflect/FieldUtilsTest.java
Sending        src/test/java/org/apache/commons/lang3/reflect/MethodUtilsTest.java
Adding         src/test/java/org/apache/commons/lang3/reflect/testbed/Annotated.java
Transmitting file data ......
Committed revision 1612063.
{code}

Thanks for contributing!

> Provide methods to retrieve all fields/methods annotated with a specific type
> -----------------------------------------------------------------------------
>
>                 Key: LANG-1021
>                 URL: https://issues.apache.org/jira/browse/LANG-1021
>             Project: Commons Lang
>          Issue Type: New Feature
>          Components: lang.reflect.*
>            Reporter: Alexander Müller
>             Fix For: Review Patch
>
>         Attachments: annotatedMethodsAndFields.patch
>
>
> I find myself repeatedly searching for fields (or methods) that are annotated with a
specified annotation like this (field-only example):
> {code}
> List<Field> fieldsWithAnnotation = new ArrayList<>(); 
> Field[] fields = FieldUtils.getAllFields(type);
> for (Field field : fields) {
>     Annotation fieldAnnotation = field.getAnnotation(annotation);
>     if (fieldAnnotation != null) {
>         fieldsWithAnnotation.add(fieldAnnotation);
>     }
> }
> {code}
> Commons Lang could provide these methods:
> {code}
> public Field[] AnnotationUtils.getFieldsWithAnnotation(Annotation annotation);
> public List<Field> AnnotationUtils.getFieldListWithAnnotation(Annotation annotation);
> public Method[] AnnotationUtils.getMethodsWithAnnotation(Annotation annotation);
> public List<Method> AnnotationUtils.getMethodListWithAnnotation(Annotation annotation);
> {code}



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