Stanislav Usenkov
9 years ago
5 changed files with 5 additions and 264 deletions
@ -1,247 +0,0 @@
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package ru.simsonic.rscPermissions.Updater; |
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import com.google.gson.Gson; |
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import com.google.gson.JsonParseException; |
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import java.io.ByteArrayOutputStream; |
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import java.io.File; |
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import java.io.FileOutputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.net.HttpURLConnection; |
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import java.net.MalformedURLException; |
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import java.net.URISyntaxException; |
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import java.net.URL; |
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import java.nio.channels.Channels; |
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import java.nio.channels.ReadableByteChannel; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.HashSet; |
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import org.bukkit.command.ConsoleCommandSender; |
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import org.bukkit.entity.Player; |
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import org.bukkit.event.EventHandler; |
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import org.bukkit.event.Listener; |
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import org.bukkit.event.player.PlayerKickEvent; |
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import org.bukkit.event.player.PlayerQuitEvent; |
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import org.bukkit.plugin.java.JavaPlugin; |
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import ru.simsonic.rscCommonsLibrary.RestartableThread; |
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import ru.simsonic.rscMinecraftLibrary.Bukkit.GenericChatCodes; |
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public final class BukkitUpdater implements Listener |
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{ |
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private final JavaPlugin plugin; |
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private final String latestURL; |
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private final HashSet<Player> staff = new HashSet<>(); |
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private final String chatPrefix; |
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public BukkitUpdater(JavaPlugin plugin, String latestURL, String chatPrefix) |
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{ |
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this.plugin = plugin; |
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this.latestURL = latestURL; |
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this.chatPrefix = chatPrefix; |
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} |
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public void onEnable() |
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{ |
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plugin.getServer().getPluginManager().registerEvents(BukkitUpdater.this, plugin); |
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checkUpdate(null); |
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} |
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public void checkUpdate(Player sender) |
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{ |
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if(sender != null) |
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staff.add(sender); |
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threadCheck.start(); |
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} |
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public void doUpdate(Player sender) |
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{ |
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if(sender != null) |
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staff.add(sender); |
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threadUpdate.start(); |
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} |
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private final RestartableThread threadCheck = new RestartableThread() |
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{ |
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@Override |
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public void run() |
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{ |
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checkForUpdate(); |
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final ArrayList<String> lines = latestToLines(); |
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if(lines != null) |
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runLines(lines.toArray(new String[lines.size()])); |
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else |
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runLine("You are using the latest version."); |
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} |
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}; |
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private final RestartableThread threadUpdate = new RestartableThread() |
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{ |
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@Override |
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public void run() |
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{ |
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runLine("Downloading update..."); |
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if(downloadUpdate()) |
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{ |
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// SUCCESS
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runLine("Installing update..."); |
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installUpdate(); |
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runLines(new String[] |
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{ |
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"{_LG}Installation complete!", |
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"Please restart your server to avoid errors.", |
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}); |
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} else { |
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// FAILED
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runLines(new String[] { |
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"{_LR}Downloading error!", |
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"Cannot download update file. Please try later.", |
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}); |
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} |
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} |
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}; |
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private Latest latest = new Latest(); |
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private void checkForUpdate() |
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{ |
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try |
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{ |
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this.latest = new Gson().fromJson(downloadJson(latestURL), Latest.class); |
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} catch(IOException ex) { |
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this.latest = new Latest(); |
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} |
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if(latest.note == null) |
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latest.note = "New version: " + latest.version; |
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if(latest.notes == null) |
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latest.notes = new String[] { latest.note }; |
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if(latest.version == null) |
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latest.version = plugin.getDescription().getVersion(); |
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} |
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private void runLine(final String line) |
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{ |
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runLines(new String[] { line }); |
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} |
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private void runLines(final String[] lines) |
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{ |
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final Runnable syncTask = new Runnable() |
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{ |
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@Override |
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public synchronized void run() |
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{ |
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// CONSOLE
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final ConsoleCommandSender console = plugin.getServer().getConsoleSender(); |
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for(String line : lines) |
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if(line != null) |
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console.sendMessage(GenericChatCodes.processStringStatic(chatPrefix + line)); |
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// PLAYERS
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for(Player online : staff) |
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for(String line : lines) |
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if(line != null) |
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online.sendMessage(GenericChatCodes.processStringStatic(chatPrefix + line)); |
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notify(); |
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} |
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}; |
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try |
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{ |
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synchronized(syncTask) |
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{ |
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plugin.getServer().getScheduler().runTask(plugin, syncTask); |
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syncTask.wait(); |
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} |
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} catch(InterruptedException ex) { |
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} |
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} |
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private ArrayList<String> latestToLines() |
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{ |
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// THERE IS NO UPDATE
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if(plugin.getDescription().getVersion().equals(latest.version)) |
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return null; |
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// THERE IS AN UPDATE
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final ArrayList<String> result = new ArrayList<>(); |
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result.add("New " |
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+ (latest.snapshot ? "{_DS}snapshot {_LS}" : "{_WH}release {_LS}") |
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+ "version {_LG}" + latest.version + "{_LS} is available!"); |
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result.addAll(Arrays.asList(latest.notes)); |
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result.add("Apply this update with command {GOLD}/rscfjd update do"); |
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return result; |
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} |
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public void onAdminJoin(Player player, boolean fromEvent) |
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{ |
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staff.add(player); |
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if(fromEvent) |
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{ |
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final ArrayList<String> lines = latestToLines(); |
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if(lines != null) |
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for(String line : lines) |
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if(line != null) |
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player.sendMessage(GenericChatCodes.processStringStatic(chatPrefix + line)); |
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} |
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} |
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@EventHandler |
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protected void onPlayerQuit(PlayerQuitEvent event) |
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{ |
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staff.add(event.getPlayer()); |
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} |
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@EventHandler |
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protected void onPlayerKick(PlayerKickEvent event) |
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{ |
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staff.add(event.getPlayer()); |
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} |
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private static String downloadJson(String url) throws IOException |
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{ |
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try |
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{ |
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final HttpURLConnection connection = (HttpURLConnection)new URL(url).openConnection(); |
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connection.setDoOutput(true); |
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connection.setDoInput(true); |
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connection.setConnectTimeout(5000); |
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connection.setReadTimeout(5000); |
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connection.setUseCaches(false); |
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final int responseCode = connection.getResponseCode(); |
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if(responseCode == HttpURLConnection.HTTP_OK) |
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return readUnicodeStream(connection.getInputStream()); |
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throw new IOException(new StringBuilder() |
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.append(Integer.toString(responseCode)) |
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.append("Erroneous result of executing web-method: ") |
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.append(connection.getResponseMessage()) |
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.append("\r\n") |
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.append(readUnicodeStream(connection.getErrorStream())) |
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.toString()); |
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} catch(JsonParseException | MalformedURLException ex) { |
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throw new IOException(ex); |
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} catch(IOException ex) { |
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throw ex; |
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} |
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} |
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private static String readUnicodeStream(InputStream is) throws IOException |
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{ |
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try(ByteArrayOutputStream baos = new ByteArrayOutputStream()) |
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{ |
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final byte[] buffer = new byte[1024]; |
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for(int length = 0; length != -1; length = is.read(buffer)) |
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baos.write(buffer, 0, length); |
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return new String(baos.toByteArray(), "UTF-8"); |
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} |
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} |
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private boolean downloadUpdate() |
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{ |
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final File folder = plugin.getDataFolder().getParentFile(); |
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final File target = new File(folder, plugin.getName() + "_v" + latest.version + ".jar"); |
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try(FileOutputStream fos = new FileOutputStream(target)) |
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{ |
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final ReadableByteChannel rbc = Channels.newChannel(new URL(latest.url).openStream()); |
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fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE); |
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fos.flush(); |
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return true; |
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} catch(MalformedURLException ex) { |
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System.err.println(ex); |
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} catch(IOException ex) { |
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System.err.println(ex); |
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} |
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return false; |
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} |
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private void installUpdate() |
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{ |
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// RENAME OLD VERSION
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try |
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{ |
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final String outdatedJarPath = plugin.getClass().getProtectionDomain().getCodeSource().getLocation().toURI().getPath(); |
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final File outdatedJarSrc = new File(outdatedJarPath); |
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final File outdatedJarDst = new File(outdatedJarPath + "-outdated"); |
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outdatedJarSrc.renameTo(outdatedJarDst); |
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} catch(URISyntaxException ex) { |
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} |
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} |
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} |
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