How to get a list of all files in Ant FileSet

I'm writing an custom ant task in java. I would like to get a list of all the files wit开发者_StackOverflow中文版hin a FileSet. What is the best way to do this?

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Have a look at the example from Tutorial: Tasks using Properties, Filesets & Paths:

FileSet fs;
// ...
DirectoryScanner ds = fs.getDirectoryScanner(getProject());
String[] includedFiles = ds.getIncludedFiles();
for(int i=0; i<includedFiles.length; i++) {
    String filename = includedFiles[i].replace('\\','/');
    ...
}