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fix #1501 fixed NPE

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This commit is contained in:
Shinsuke Sugaya 2018-02-13 06:36:46 +09:00
parent 2815bc49be
commit bcba98e1ee
1 changed files with 5 additions and 1 deletions
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6
src/main/java/org/codelibs/fess/thumbnail/ThumbnailManager.java
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@ -447,7 +447,11 @@ public class ThumbnailManager {
}
private boolean deleteEmptyDirectory(final Path dir) throws IOException {
if (dir.toFile().list().length == 0 && !dir.toFile().getName().equals(THUMBNAILS_DIR_NAME)) {
if (dir == null) {
return false;
}
final File directory = dir.toFile();
if (directory.list() != null && directory.list().length == 0 && !THUMBNAILS_DIR_NAME.equals(directory.getName())) {
Files.delete(dir);
if (logger.isDebugEnabled()) {
logger.debug("Delete " + dir);