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authorKeuin <[email protected]>2020-11-30 13:15:15 +0800
committerkeuin <[email protected]>2020-11-30 13:15:15 +0800
commit61ade9adad4668494dfc32da7751e1b86251dc97 (patch)
treec220fe41d0691d7ad6ed08e51d351537fa220a4f /src/main/java/com/keuin/kbackupfabric/util/backup/BackupNameSuggestionProvider.java
parente59bdf4ac0b66ce683be1bbc36852bfce6f70a63 (diff)
Implementing incremental backup
Diffstat (limited to 'src/main/java/com/keuin/kbackupfabric/util/backup/BackupNameSuggestionProvider.java')
-rw-r--r--src/main/java/com/keuin/kbackupfabric/util/backup/BackupNameSuggestionProvider.java77
1 files changed, 0 insertions, 77 deletions
diff --git a/src/main/java/com/keuin/kbackupfabric/util/backup/BackupNameSuggestionProvider.java b/src/main/java/com/keuin/kbackupfabric/util/backup/BackupNameSuggestionProvider.java
deleted file mode 100644
index 4639e99..0000000
--- a/src/main/java/com/keuin/kbackupfabric/util/backup/BackupNameSuggestionProvider.java
+++ /dev/null
@@ -1,77 +0,0 @@
-package com.keuin.kbackupfabric.util.backup;
-
-import com.mojang.brigadier.suggestion.SuggestionProvider;
-import com.mojang.brigadier.suggestion.Suggestions;
-import com.mojang.brigadier.suggestion.SuggestionsBuilder;
-import net.minecraft.server.command.ServerCommandSource;
-
-import java.io.File;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Locale;
-import java.util.concurrent.CompletableFuture;
-
-public class BackupNameSuggestionProvider {
-
- private static final List<String> candidateCacheList = new ArrayList<>();
- private static final Object syncSetDirectory = new Object();
- private static final Object syncCache = new Object();
- private static final long CACHE_TTL = 8000;
- private static String backupSaveDirectory;
- private static long cacheUpdateTime = 0;
-
- public static void setBackupSaveDirectory(String backupSaveDirectory) {
- synchronized (syncSetDirectory) {
- BackupNameSuggestionProvider.backupSaveDirectory = backupSaveDirectory;
- }
- // Immediately perform an update
- updateCandidateList();
- }
-
- public static void updateCandidateList() {
- synchronized (syncCache) {
- try {
- File file = new File(backupSaveDirectory);
- candidateCacheList.clear();
- File[] files = file.listFiles();
- if (files == null)
- return;
- for (File f : files)
- candidateCacheList.add(BackupFilesystemUtil.getBackupName(f.getName()));
- cacheUpdateTime = System.currentTimeMillis();
- } catch (NullPointerException ignored) {
- }
- }
- }
-
-// private static void updateCandidateList(Collection<String> stringCollection) {
-// candidateList.clear();
-// candidateList.addAll(stringCollection);
-// }
-
- public static SuggestionProvider<ServerCommandSource> getProvider() {
- return (context, builder) -> getCompletableFuture(builder);
- }
-
- private static CompletableFuture<Suggestions> getCompletableFuture(SuggestionsBuilder builder) {
- if (isCacheExpired())
- updateCandidateList();
- String remaining = builder.getRemaining().toLowerCase(Locale.ROOT);
- synchronized (syncCache) {
- if (candidateCacheList.isEmpty()) { // If the list is empty then return no suggestions
- return Suggestions.empty(); // No suggestions
- }
-
- for (String string : candidateCacheList) { // Iterate through the supplied list
- if (string.toLowerCase(Locale.ROOT).startsWith(remaining)) {
- builder.suggest(string); // Add every single entry to suggestions list.
- }
- }
- }
- return builder.buildFuture(); // Create the CompletableFuture containing all the suggestions
- }
-
- private static boolean isCacheExpired() {
- return System.currentTimeMillis() - cacheUpdateTime > CACHE_TTL || cacheUpdateTime == 0;
- }
-}