Initial commit

src/main/java/META-INF/MANIFEST.MF

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+Manifest-Version: 1.0
+Main-Class: net.limework.automaticlogdeleter.AutomaticLogDeleter
+

src/main/java/net/limework/automaticlogdeleter/AutomaticLogDeleter.java

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+package net.limework.automaticlogdeleter;
+
+import org.bukkit.Bukkit;
+import org.bukkit.configuration.file.FileConfiguration;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.io.File;
+import java.util.logging.Level;
+
+public final class AutomaticLogDeleter extends JavaPlugin {
+
+    @Override
+    public void onEnable() {
+        new Thread(() -> {
+            this.saveDefaultConfig();
+            deleteLogs();
+        }).start();
+    }
+
+    @Override
+    public void onDisable() {
+
+        new Thread(() -> {
+            FileConfiguration config = getConfig();
+            if (config.getBoolean("also-delete-logs-on-shutdown")) {
+                deleteLogs();
+            }
+        }).start();
+    }
+
+    public void deleteLogs() {
+        File path = new File("logs");
+
+        File[] files = path.listFiles();
+        if (files == null) { return; }
+        FileConfiguration config = getConfig();
+
+        //maximum file age allowed
+
+        long maxOldMillis = config.getLong("delete-logs-older-than-seconds") * 1000;
+
+        for (File file : files) {
+            if (file.isFile()) {
+                if ((System.currentTimeMillis() - file.lastModified()) > maxOldMillis) {
+
+                    if (!file.delete()) {
+                        Bukkit.getLogger().log(Level.WARNING, "Failed to delete server log file! Are you sure the file permissions are correct?");
+                    }
+                }
+            }
+        }
+    }
+}

src/main/resources/config.yml

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+#AutomaticLogDeleter plugin config
+#lines that start with a hashtag are comments
+
+#delete logs older than 24 hours by default
+#default value: 86400
+
+delete-logs-older-than-seconds: 86400
+
+#by default old logs are deleted only on startup
+#default value: false
+
+also-delete-logs-on-shutdown: false

src/main/resources/plugin.yml

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+name: AutomaticLogDeleter
+version: ${project.version}
+main: net.limework.automaticlogdeleter.AutomaticLogDeleter
+api-version: 1.13
+load: STARTUP
+authors: [ Govindas ]
+description: Delete your old server logs on startup
+website: limework.net