/**
* Collects all files which are located in the passed directory.
*
* @throws IllegalArgumentException if <code>dir</code> isn't a directory.
*/
public static void collectFiles(
final VirtualFile dir,
final List<VirtualFile> files,
final boolean recursive,
final boolean addDirectories) {
if (!dir.isDirectory()) {
throw new IllegalArgumentException(
VcsBundle.message("exception.text.file.should.be.directory", dir.getPresentableUrl()));
}
final FileTypeManager fileTypeManager = FileTypeManager.getInstance();
VfsUtilCore.visitChildrenRecursively(
dir,
new VirtualFileVisitor() {
@Override
public boolean visitFile(@NotNull VirtualFile file) {
if (file.isDirectory()) {
if (addDirectories) {
files.add(file);
}
if (!recursive && !Comparing.equal(file, dir)) {
return false;
}
} else if (fileTypeManager == null || file.getFileType() != FileTypes.UNKNOWN) {
files.add(file);
}
return true;
}
});
}
