Added update checker.

Former-commit-id: d6d77aa

files/version.info

@@ -1 +1 @@
-4.0.1
+5.0.2

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>me.ishift</groupId>
     <artifactId>EpicGuard</artifactId>
-    <version>5.0.1</version>
+    <version>5.0.2</version>
 
     <dependencies>
         <dependency>

src/main/java/me/ishift/epicguard/bukkit/EpicGuardBukkit.java

@@ -11,6 +11,7 @@
 import me.ishift.epicguard.core.EpicGuard;
 import me.ishift.epicguard.core.task.AttackResetTask;
 import me.ishift.epicguard.core.task.CounterTask;
+import me.ishift.epicguard.core.task.UpdateCheckerTask;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -33,7 +34,8 @@ public void onEnable() {
 
         BukkitScheduler scheduler = Bukkit.getScheduler();
         scheduler.runTaskTimerAsynchronously(this, new CounterTask(this.epicGuard), 20L, 20L);
-        scheduler.runTaskTimerAsynchronously(this, new AttackResetTask(this.epicGuard), 20L * 20L, 20L);
+        scheduler.runTaskTimerAsynchronously(this, new AttackResetTask(this.epicGuard), 20L, 20L * 20L);
+        scheduler.runTaskTimerAsynchronously(this, new UpdateCheckerTask(this.epicGuard), 20L, 1800L * 20L); // 30 minutes
         scheduler.runTaskTimer(this, new ModuleTask(this), 20L * 5L, 20L);
 
         this.getCommand("epicguard").setExecutor(new EpicGuardCommand(this.epicGuard));

src/main/java/me/ishift/epicguard/bukkit/command/EpicGuardCommand.java

@@ -4,6 +4,7 @@
 import me.ishift.epicguard.core.config.MessagesConfiguration;
 import me.ishift.epicguard.core.user.User;
 import me.ishift.epicguard.core.util.ChatUtils;
+import me.ishift.epicguard.core.util.UpdateChecker;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
@@ -25,6 +26,11 @@ public boolean onCommand(@NotNull CommandSender sender, @NotNull Command command
             send(sender, "&8&m---------------------------------------------------");
             send(sender, "  &6&lEpicGuard &8(Spigot version)");
             send(sender, "  &7Version: &f" + this.epicGuard.getVersion());
+            if (UpdateChecker.isAvailable()) {
+                send(sender, "");
+                send(sender, "  &7Update available: &c&n" + UpdateChecker.getRemoteVersion());
+                send(sender, "  &c&ohttps://www.spigotmc.org/resources/72369/");
+            }
             send(sender, "");
             send(sender, " &8• &b/guard stats &7- show plugin statistics.");
             send(sender, " &8• &b/guard notifications &7- enable actionbar notifications.");

src/main/java/me/ishift/epicguard/bungee/EpicGuardBungee.java

@@ -8,6 +8,7 @@
 import me.ishift.epicguard.core.EpicGuard;
 import me.ishift.epicguard.core.task.AttackResetTask;
 import me.ishift.epicguard.core.task.CounterTask;
+import me.ishift.epicguard.core.task.UpdateCheckerTask;
 import net.md_5.bungee.api.plugin.Plugin;
 import net.md_5.bungee.api.plugin.PluginManager;
 import net.md_5.bungee.api.scheduler.TaskScheduler;
@@ -23,7 +24,8 @@ public void onEnable() {
 
         TaskScheduler scheduler = this.getProxy().getScheduler();
         scheduler.schedule(this, new CounterTask(this.epicGuard), 1L, 1L, TimeUnit.SECONDS);
-        scheduler.schedule(this, new AttackResetTask(this.epicGuard), 20L, 20L, TimeUnit.SECONDS);
+        scheduler.schedule(this, new AttackResetTask(this.epicGuard), 1L, 20L, TimeUnit.SECONDS);
+        scheduler.schedule(this, new UpdateCheckerTask(this.epicGuard), 1L, 1800L, TimeUnit.SECONDS); // 30 minutes
 
         PluginManager pm = this.getProxy().getPluginManager();
         pm.registerListener(this, new PreLoginListener(this.epicGuard));

src/main/java/me/ishift/epicguard/bungee/command/EpicGuardCommand.java

@@ -4,6 +4,7 @@
 import me.ishift.epicguard.core.config.MessagesConfiguration;
 import me.ishift.epicguard.core.user.User;
 import me.ishift.epicguard.core.util.ChatUtils;
+import me.ishift.epicguard.core.util.UpdateChecker;
 import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.chat.TextComponent;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
@@ -25,6 +26,11 @@ public void execute(CommandSender sender, String[] args) {
             send(sender, "&8&m---------------------------------------------------");
             send(sender, "  &6&lEpicGuard &8(Spigot version)");
             send(sender, "  &7Version: &f" + this.epicGuard.getVersion());
+            if (UpdateChecker.isAvailable()) {
+                send(sender, "");
+                send(sender, "  &7Update available: &c&n" + UpdateChecker.getRemoteVersion());
+                send(sender, "  &c&ohttps://www.spigotmc.org/resources/72369/");
+            }
             send(sender, "");
             send(sender, " &8• &b/guard stats &7- show plugin statistics.");
             send(sender, " &8• &b/guard notifications &7- enable actionbar notifications.");

src/main/java/me/ishift/epicguard/core/task/UpdateCheckerTask.java

@@ -0,0 +1,21 @@
+package me.ishift.epicguard.core.task;
+
+import me.ishift.epicguard.core.EpicGuard;
+import me.ishift.epicguard.core.util.UpdateChecker;
+
+public class UpdateCheckerTask implements Runnable {
+    private final EpicGuard epicGuard;
+
+    public UpdateCheckerTask(EpicGuard epicGuard) {
+        this.epicGuard = epicGuard;
+    }
+
+    @Override
+    public void run() {
+        UpdateChecker.checkForUpdates(this.epicGuard);
+
+        if (UpdateChecker.isAvailable()) {
+            this.epicGuard.getLogger().info("New update is available");
+        }
+    }
+}

src/main/java/me/ishift/epicguard/core/util/UpdateChecker.java

@@ -0,0 +1,27 @@
+package me.ishift.epicguard.core.util;
+
+import me.ishift.epicguard.core.EpicGuard;
+
+public final class UpdateChecker {
+    private static final String CHECK_URL = "https://raw.githubusercontent.com/xishift/EpicGuard/master/files/version.info";
+    private static String remoteVersion;
+    private static boolean available;
+
+    public static void checkForUpdates(EpicGuard epicGuard) {
+        remoteVersion = URLUtils.readString(CHECK_URL);
+        int latest = Integer.parseInt(remoteVersion.replace(".", ""));
+        int current = Integer.parseInt(epicGuard.getVersion().replace(".", ""));
+
+        available = latest > current;
+    }
+
+    public static boolean isAvailable() {
+        return available;
+    }
+
+    public static String getRemoteVersion() {
+        return remoteVersion;
+    }
+
+    private UpdateChecker() {}
+}