PlaceholderAPI/src/main/java/me/clip/placeholderapi/updatechecker/UpdateChecker.java

107 lines
3.4 KiB
Java

package me.clip.placeholderapi.updatechecker;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.regex.Pattern;
import javax.net.ssl.HttpsURLConnection;
import me.clip.placeholderapi.PlaceholderAPIPlugin;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
/**
* thanks maxim
*/
public class UpdateChecker implements Listener {
private PlaceholderAPIPlugin plugin;
private final int resourceId = 6245;
private static String latestVersion = "";
private static boolean updateAvailable = false;
public UpdateChecker(PlaceholderAPIPlugin i) {
plugin = i;
Bukkit.getScheduler().runTaskAsynchronously(plugin, () -> {
if (checkForUpdate()) {
Bukkit.getScheduler().runTask(plugin, () -> {
plugin.getLogger().info("An update for PlaceholderAPI (v" + getLatestVersion() + ") is available at:");
plugin.getLogger().info("https://www.spigotmc.org/resources/placeholderapi." + resourceId + "/");
register();
});
}
});
}
private void register() {
Bukkit.getPluginManager().registerEvents(this, plugin);
}
@EventHandler(priority = EventPriority.MONITOR)
public void onJoin(PlayerJoinEvent e) {
if (e.getPlayer().isOp()) {
e.getPlayer().sendMessage(ChatColor.translateAlternateColorCodes('&', "&bAn update for &fPlaceholder&7API &e(&fPlaceholder&7API &fv" + getLatestVersion() + "&e)"));
e.getPlayer().sendMessage(ChatColor.translateAlternateColorCodes('&', "&bis available at &ehttps://www.spigotmc.org/resources/placeholderapi." + resourceId + "/"));
}
}
private String getSpigotVersion() {
try {
HttpsURLConnection con = (HttpsURLConnection) new URL("https://api.spigotmc.org/legacy/update.php?resource=" + resourceId).openConnection();
con.setRequestMethod("GET");
String version = new BufferedReader(new InputStreamReader(con.getInputStream())).readLine();
if (version.length() <= 7) {
return version;
}
} catch (Exception ex) {
plugin.getLogger().info("Failed to check for a update on spigot.");
}
return null;
}
private boolean checkHigher(String currentVersion, String newVersion) {
String current = toReadable(currentVersion);
String newVers = toReadable(newVersion);
return current.compareTo(newVers) < 0;
}
public boolean checkForUpdate() {
String version = getSpigotVersion();
if (version != null) {
if (checkHigher(plugin.getDescription().getVersion(), version)) {
latestVersion = version;
updateAvailable = true;
return true;
}
}
return false;
}
public static boolean updateAvailable() {
return updateAvailable;
}
public static String getLatestVersion() {
return latestVersion;
}
private String toReadable(String version) {
String[] split = Pattern.compile(".", Pattern.LITERAL).split(version.replace("v", ""));
version = "";
for (String s : split) {
version += String.format("%4s", s);
}
return version;
}
}