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我有很多文件的目录。我只需要java文件。我的树:

FileTree dirs = fileTree(dir: CATALOG, include: '**/*.java')

我也收集了更改过的文件

String filterSources(Collection<String> sources, Closure sourceFilter, Closure installPrepare, String installSeparate = "\n"){
   sources
   .findAll(sourceFilter)
   .collect(installPrepare)
   .unique()
   .join(installSeparate)
}

并使用

filterSources(changedSources, <filter>, <something>)

如何在我的树中只获取更改的文件?

我试过了,但没用

String dirs = fileTree(dir: CATALOG, include: filterSources(changedSources, <filter>, <something>))
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