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Refactored file deletion checks for JSONFileStorage

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Risto Lahtela 2021-02-12 09:34:48 +02:00
parent 5c01cde102
commit c0a210956d
1 changed files with 38 additions and 24 deletions
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62
Plan/common/src/main/java/com/djrapitops/plan/delivery/webserver/cache/JSONFileStorage.java vendored
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@ -198,47 +198,61 @@ public class JSONFileStorage implements JSONStorage {
List<File> toDelete = new ArrayList<>(); List<File> toDelete = new ArrayList<>();
for (File file : stored) { for (File file : stored) {
try { if (shouldDeleteFile(identifier, timestamp, toDelete, file)) {
String fileName = file.getName(); toDelete.add(file);
if (fileName.endsWith(JSON_FILE_EXTENSION) && fileName.startsWith(identifier)) {
Matcher timestampMatch = timestampRegex.matcher(fileName);
if (timestampMatch.find() && Long.parseLong(timestampMatch.group(1)) < timestamp) {
toDelete.add(file);
}
}
} catch (NumberFormatException e) {
// Ignore this file, malformed timestamp
} }
} }
deleteFiles(toDelete); deleteFiles(toDelete);
} }
private boolean shouldDeleteFile(String identifier, long timestamp, List<File> toDelete, File file) {
try {
String fileName = file.getName();
if (fileName.endsWith(JSON_FILE_EXTENSION) && fileName.startsWith(identifier)) {
Matcher timestampMatch = timestampRegex.matcher(fileName);
if (timestampMatch.find() && Long.parseLong(timestampMatch.group(1)) < timestamp) {
return true;
}
}
} catch (NumberFormatException e) {
// Ignore this file, malformed timestamp
}
return false;
}
private void invalidateOlderButIgnore(long timestamp, String... ignoredIdentifiers) { private void invalidateOlderButIgnore(long timestamp, String... ignoredIdentifiers) {
File[] stored = jsonDirectory.toFile().listFiles(); File[] stored = jsonDirectory.toFile().listFiles();
if (stored == null) return; if (stored == null) return;
List<File> toDelete = new ArrayList<>(); List<File> toDelete = new ArrayList<>();
outer:
for (File file : stored) { for (File file : stored) {
try { if (shouldDeleteFile(timestamp, file, ignoredIdentifiers)) {
String fileName = file.getName(); toDelete.add(file);
if (fileName.endsWith(JSON_FILE_EXTENSION)) {
Matcher timestampMatch = timestampRegex.matcher(fileName);
if (timestampMatch.find() && Long.parseLong(timestampMatch.group(1)) < timestamp) {
for (String ignoredIdentifier : ignoredIdentifiers) {
if (fileName.startsWith(ignoredIdentifier)) continue outer;
}
toDelete.add(file);
}
}
} catch (NumberFormatException e) {
// Ignore this file, malformed timestamp
} }
} }
deleteFiles(toDelete); deleteFiles(toDelete);
} }
private boolean shouldDeleteFile(long timestamp, File file, String[] ignoredIdentifiers) {
try {
String fileName = file.getName();
if (fileName.endsWith(JSON_FILE_EXTENSION)) {
Matcher timestampMatch = timestampRegex.matcher(fileName);
boolean isOlder = timestampMatch.find() && Long.parseLong(timestampMatch.group(1)) < timestamp;
if (isOlder) {
for (String ignoredIdentifier : ignoredIdentifiers) {
if (fileName.startsWith(ignoredIdentifier)) return false;
}
return true;
}
}
} catch (NumberFormatException e) {
// Ignore this file, malformed timestamp
}
return false;
}
private void deleteFiles(List<File> toDelete) { private void deleteFiles(List<File> toDelete) {
for (File fileToDelete : toDelete) { for (File fileToDelete : toDelete) {
try { try {