lkishalmi commented on code in PR #6148:
URL: https://github.com/apache/netbeans/pull/6148#discussion_r1255089126
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platform/janitor/src/org/netbeans/modules/janitor/Janitor.java:
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@@ -338,4 +290,163 @@ static void setAutoRemoveAbanconedCache(boolean b) {
getPreferences().putBoolean(PROP_AUTO_REMOVE_ABANDONED_CACHE, b);
}
+ private static class CleanupDir {
+
+ enum Kind {USERDIR, CACHEDIR};
+
+ private final File dir;
+ private final Kind kind;
+
+ private CleanupDir(File dir, Kind kind) {
+ this.dir = dir;
+ this.kind = kind;
+ }
+
+ static CleanupDir get(CleanupDir.Kind kind, String version) {
+ File dir = kind == CleanupDir.Kind.USERDIR ?
Places.getUserDirectory() : Places.getCacheDirectory();
+ File f = new File(dir.getParentFile(), version);
+ File test = kind == CleanupDir.Kind.USERDIR ? new File(f,
LOGFILE_NAME) : new File(f, ALL_CHECKSUM_NAME);
+ return !f.equals(dir) && f.isDirectory() && test.isFile() ? new
CleanupDir(f, kind) : null;
+ }
+
+ public long size() {
+
+ if (dir == null) {
+ return 0;
+ }
+ final Path path = dir.toPath();
+ final AtomicLong size = new AtomicLong(0);
+
+ try {
+ Files.walkFileTree(path, new SimpleFileVisitor<Path>() {
+ @Override
+ public FileVisitResult visitFile(Path file,
BasicFileAttributes attrs) {
+ size.addAndGet(attrs.size());
+ return FileVisitResult.CONTINUE;
+ }
+
+ @Override
+ public FileVisitResult visitFileFailed(Path file,
IOException exc) {
+ return FileVisitResult.CONTINUE;
+ }
+
+ @Override
+ public FileVisitResult postVisitDirectory(Path dir,
IOException exc) {
+ return FileVisitResult.CONTINUE;
+ }
+ });
+ } catch (IOException e) {
+ LOG.log(Level.FINE, "Something went wrong calculating the size
of " + dir.getAbsolutePath(), e); //NOI18N
+ }
+
+ return size.get();
+ }
+
+ public String getName() {
+ String name = dir.getName();
+ File f = new File(dir, LAST_VERSION_NAME);
+ if (f.isFile()) {
+ if (f.length() < 100) {
+ try (BufferedReader r = new BufferedReader(new
FileReader(f))) {
+ name = r.readLine();
+ } catch (IOException ex) {
+ // Could not read the file, stick to the dirname
+ }
+ } else{
+ LOG.log(Level.WARNING, "Skipped version file " +
f.getAbsolutePath() + " as it is suspiciously large."); //NOI18N
+ }
+ } else {
+ LOG.log(Level.INFO, f.getAbsolutePath() + " is missing
fallback to dirname: " + name); //NOI18N
+ switch (name) { // Map a few elder Snap release revision to
IDE version number, these could be removed in NetBeans 21/22
+ case "80":
+ return "18";
+ case "76":
+ return "17";
+ case "74":
+ return "16";
+ case "69":
+ return "15";
+ }
+ }
+ return name;
+ }
+
+ public int age(Instant now) {
+ int ret = -1;
+ File f;
Review Comment:
Moved the main file operations to javax.nio.file API.
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