mirror of
https://github.com/EssentialsX/Essentials.git
synced 2024-12-23 09:37:50 +01:00
Statemachine for installation wizard (WIP)
This commit is contained in:
parent
aa922c5b67
commit
9433acf689
1
EssentialsUpdate/nbproject/pmd.settings
Normal file
1
EssentialsUpdate/nbproject/pmd.settings
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@ -0,0 +1 @@
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DoNotUseThreads
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@ -22,7 +22,11 @@ public class GetFile
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public GetFile(final String urlString) throws MalformedURLException, IOException
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{
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final URL url = new URL(urlString);
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this(new URL(urlString));
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}
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public GetFile(final URL url) throws IOException
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{
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this.connection = url.openConnection();
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this.connection.setConnectTimeout(1000);
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this.connection.setReadTimeout(5000);
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@ -1,5 +1,6 @@
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package com.earth2me.essentials.update;
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import com.earth2me.essentials.update.states.StateMachine;
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import java.util.List;
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import org.bukkit.Bukkit;
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import org.bukkit.command.CommandSender;
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@ -18,31 +19,41 @@ public class UpdateProcess extends PlayerListener
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private transient Player currentPlayer;
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private final transient Plugin plugin;
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private final transient UpdateCheck updateCheck;
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private transient StateMachine stateMachine;
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public UpdateProcess(final Plugin plugin, final UpdateCheck updateCheck)
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{
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this.plugin = plugin;
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this.updateCheck = updateCheck;
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}
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public void registerEvents()
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{
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final PluginManager pluginManager = plugin.getServer().getPluginManager();
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pluginManager.registerEvent(Type.PLAYER_QUIT, this, Priority.Low, plugin);
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pluginManager.registerEvent(Type.PLAYER_CHAT, this, Priority.Lowest, plugin);
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}
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@Override
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public void onPlayerChat(final PlayerChatEvent event)
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{
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if (event.getPlayer() == currentPlayer)
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{
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reactOnMessage(event.getMessage());
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final StateMachine.MachineResult result = stateMachine.reactOnMessage(event.getMessage());
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if (result == StateMachine.MachineResult.ABORT)
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{
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currentPlayer.sendMessage("Installation wizard aborted. You can restart it using /essentialsupdate.");
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currentPlayer = null;
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}
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if (result == StateMachine.MachineResult.DONE)
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{
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startWork();
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}
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event.setCancelled(true);
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return;
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}
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}
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@Override
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public void onPlayerJoin(final PlayerJoinEvent event)
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{
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@ -70,26 +81,26 @@ public class UpdateProcess extends PlayerListener
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}
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}
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}
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void doAutomaticUpdate()
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public void doAutomaticUpdate()
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{
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final UpdatesDownloader downloader = new UpdatesDownloader();
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final VersionInfo info = updateCheck.getNewVersionInfo();
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final List<String> changelog = info.getChangelog();
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Bukkit.getLogger().info("Essentials changelog " + updateCheck.getNewVersion().toString());
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for (String line : changelog)
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{
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Bukkit.getLogger().info(" - "+line);
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Bukkit.getLogger().info(" - " + line);
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}
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downloader.start(plugin.getServer().getUpdateFolderFile(), info);
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final UpdatesDownloader downloader = new UpdatesDownloader(plugin, info);
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downloader.start();
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}
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void doManualUpdate()
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public void doManualUpdate()
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{
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}
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void onCommand(CommandSender sender)
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public void onCommand(final CommandSender sender)
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{
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if (sender instanceof Player && sender.hasPermission("essentials.install"))
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{
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@ -107,7 +118,12 @@ public class UpdateProcess extends PlayerListener
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sender.sendMessage("Your answers will be saved for a later update.");
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sender.sendMessage("Please answer the messages with yes or no, if not otherwise stated.");
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sender.sendMessage("Write bye/exit/quit if you want to exit the wizard at anytime.");
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stateMachine = new StateMachine(plugin, currentPlayer, updateCheck.getNewVersionInfo());
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final StateMachine.MachineResult result = stateMachine.askQuestion();
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if (result == StateMachine.MachineResult.DONE)
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{
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startWork();
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}
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}
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}
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if (!currentPlayer.equals(sender))
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@ -120,9 +136,17 @@ public class UpdateProcess extends PlayerListener
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sender.sendMessage("Please run the command as op from in game.");
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}
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}
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private void reactOnMessage(String message)
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private void startWork()
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{
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throw new UnsupportedOperationException("Not yet implemented");
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currentPlayer.sendMessage("Installation wizard done. Starting installation.");
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Bukkit.getScheduler().scheduleSyncDelayedTask(plugin, new Runnable()
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{
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@Override
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public void run()
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{
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stateMachine.startWork();
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}
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});
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}
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}
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@ -1,19 +1,28 @@
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package com.earth2me.essentials.update;
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import java.io.File;
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import org.bukkit.plugin.Plugin;
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public class UpdatesDownloader
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public class UpdatesDownloader extends WorkListener
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{
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UpdatesDownloader()
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public UpdatesDownloader(final Plugin plugin, final VersionInfo newVersionInfo)
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{
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super(plugin, newVersionInfo);
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}
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void start(File updateFolderFile, VersionInfo newVersion)
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public void start()
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{
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}
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@Override
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public void onWorkAbort(String message)
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{
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public void onWorkDone(String message)
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{
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throw new UnsupportedOperationException("Not supported yet.");
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}
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}
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@ -1,9 +1,10 @@
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package com.earth2me.essentials.update;
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import java.util.ArrayList;
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import org.bukkit.configuration.Configuration;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class VersionInfo
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@ -11,18 +12,18 @@ public class VersionInfo
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private final transient List<String> changelog;
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private final transient int minBukkit;
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private final transient int maxBukkit;
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private final transient List<ModuleInfo> modules;
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private final transient Map<String, ModuleInfo> modules;
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public VersionInfo(final Configuration updateConfig, final String path)
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{
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changelog = updateConfig.getList(path + ".changelog", Collections.<String>emptyList());
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minBukkit = updateConfig.getInt(path + ".min-bukkit", 0);
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maxBukkit = updateConfig.getInt(path + ".max-bukkit", 0);
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modules = new ArrayList<ModuleInfo>();
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modules = new HashMap<String, ModuleInfo>();
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final String modulesPath = path + ".modules";
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for (String module : updateConfig.getKeys(false))
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{
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modules.add(new ModuleInfo(updateConfig, modulesPath + module));
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modules.put(module, new ModuleInfo(updateConfig, modulesPath + module));
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}
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}
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@ -41,8 +42,8 @@ public class VersionInfo
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return maxBukkit;
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}
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public List<ModuleInfo> getModules()
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public Map<String, ModuleInfo> getModules()
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{
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return Collections.unmodifiableList(modules);
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return Collections.unmodifiableMap(modules);
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}
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}
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@ -0,0 +1,38 @@
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package com.earth2me.essentials.update;
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import org.bukkit.entity.Player;
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import org.bukkit.plugin.Plugin;
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public abstract class WorkListener
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{
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public WorkListener(final Plugin plugin, final VersionInfo newVersionInfo)
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{
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this.plugin = plugin;
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this.newVersionInfo = newVersionInfo;
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}
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private final transient Plugin plugin;
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private final transient VersionInfo newVersionInfo;
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public final void onWorkAbort() {
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onWorkAbort(null);
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}
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public abstract void onWorkAbort(String message);
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public final void onWorkDone() {
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onWorkDone(null);
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}
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public abstract void onWorkDone(String message);
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public VersionInfo getNewVersionInfo()
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{
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return newVersionInfo;
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}
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public Plugin getPlugin()
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{
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return plugin;
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}
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}
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@ -0,0 +1,67 @@
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package com.earth2me.essentials.update.states;
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import com.earth2me.essentials.update.WorkListener;
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import org.bukkit.entity.Player;
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public abstract class AbstractState
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{
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private transient boolean abortion = false;
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public abstract AbstractState getNextState();
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/**
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* Check if we already know the answer, so the user does not have to answer the question.
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*
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* @return true, if the answer could be guessed.
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*/
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public boolean guessAnswer()
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{
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return false;
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}
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/**
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* Ask the user the question.
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* @param sender
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*/
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public abstract void askQuestion(Player sender);
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/**
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* React on the answer and set internal variables
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* @param answer
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* @return true, if the answer could be recognized as a valid answer
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*/
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public abstract boolean reactOnAnswer(String answer);
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public final AbstractState reactOnAnswer(final Player sender, final String answer)
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{
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final String trimmedAnswer = answer.trim();
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if (trimmedAnswer.equalsIgnoreCase("quit")
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|| trimmedAnswer.equalsIgnoreCase("bye")
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|| trimmedAnswer.equalsIgnoreCase("abort"))
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{
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abortion = true;
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return null;
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}
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final boolean found = reactOnAnswer(trimmedAnswer);
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if (found)
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{
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return getNextState();
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}
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else
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{
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sender.sendMessage("Answer not recognized.");
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return this;
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}
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}
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/**
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* Do something based on the answer, that the user gave.
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*/
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public abstract void doWork(WorkListener workListener);
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public boolean isAbortion()
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{
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return abortion;
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}
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}
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@ -0,0 +1,49 @@
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package com.earth2me.essentials.update.states;
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public abstract class AbstractYesNoState extends AbstractState
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{
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private boolean answer = false;
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private final transient AbstractState yesState;
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private final transient AbstractState noState;
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public AbstractYesNoState(final AbstractState yesState, final AbstractState noState)
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{
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this.yesState = yesState;
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this.noState = noState;
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}
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@Override
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public AbstractState getNextState()
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{
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return answer ? yesState : noState;
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}
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@Override
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public boolean reactOnAnswer(final String answer)
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{
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if (answer.equalsIgnoreCase("yes")
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|| answer.equalsIgnoreCase("y"))
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{
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this.answer = true;
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return true;
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}
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if (answer.equalsIgnoreCase("no")
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|| answer.equalsIgnoreCase("n"))
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{
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this.answer = false;
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return true;
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}
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return false;
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}
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public boolean getAnswer()
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{
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return answer;
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}
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protected void setAnswer(final boolean answer)
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{
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this.answer = answer;
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}
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}
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@ -0,0 +1,46 @@
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package com.earth2me.essentials.update.states;
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import com.earth2me.essentials.update.WorkListener;
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import com.earth2me.essentials.update.tasks.InstallChat;
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import org.bukkit.Bukkit;
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import org.bukkit.entity.Player;
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import org.bukkit.plugin.Plugin;
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public class EssentialsChat extends AbstractYesNoState
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{
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public EssentialsChat(final AbstractState next)
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{
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super(next, next);
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}
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@Override
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public boolean guessAnswer()
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{
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final Plugin plugin = Bukkit.getPluginManager().getPlugin("EssentialsChat");
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if (plugin != null)
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{
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setAnswer(true);
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return true;
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}
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return false;
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}
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@Override
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public void askQuestion(final Player sender)
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{
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sender.sendMessage("Do you want to install EssentialsChat? (yes/no)");
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sender.sendMessage("Short descriptive text about what EssentialsChat does.");
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}
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@Override
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public void doWork(final WorkListener listener)
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{
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if (getAnswer())
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{
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new InstallChat(listener).start();
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return;
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}
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listener.onWorkDone();
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}
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}
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@ -1,7 +0,0 @@
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package com.earth2me.essentials.update.states;
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public class Modules
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{
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}
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@ -0,0 +1,118 @@
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package com.earth2me.essentials.update.states;
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import com.earth2me.essentials.update.WorkListener;
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import com.earth2me.essentials.update.VersionInfo;
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import java.util.ArrayList;
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import java.util.List;
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import org.bukkit.Bukkit;
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import org.bukkit.entity.Player;
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import org.bukkit.plugin.Plugin;
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public class StateMachine extends WorkListener
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{
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public enum MachineResult
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{
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ABORT, WAIT, DONE
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}
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private final transient List<AbstractState> states = new ArrayList<AbstractState>();
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private transient AbstractState current;
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private final transient Player player;
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public StateMachine(final Plugin plugin, final Player player, final VersionInfo newVersionInfo)
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{
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super(plugin, newVersionInfo);
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this.player = player;
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states.clear();
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final AbstractState state = new EssentialsChat(null);
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states.add(state);
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current = state;
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}
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public MachineResult askQuestion()
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{
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while (current.guessAnswer())
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{
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current = current.getNextState();
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if (current == null)
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||||
{
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return MachineResult.DONE;
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}
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}
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current.askQuestion(player);
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return MachineResult.WAIT;
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}
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||||
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public MachineResult reactOnMessage(final String message)
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{
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final AbstractState next = current.reactOnAnswer(player, message);
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if (next == null)
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||||
{
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if (current.isAbortion())
|
||||
{
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return MachineResult.ABORT;
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||||
}
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||||
else
|
||||
{
|
||||
return MachineResult.DONE;
|
||||
}
|
||||
}
|
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current = next;
|
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return askQuestion();
|
||||
}
|
||||
private int position = 0;
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||||
|
||||
public void startWork()
|
||||
{
|
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callStateWork();
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||||
}
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||||
|
||||
private void callStateWork()
|
||||
{
|
||||
if (position > states.size())
|
||||
{
|
||||
if (player.isOnline())
|
||||
{
|
||||
player.sendMessage("Installation done.");
|
||||
}
|
||||
return;
|
||||
}
|
||||
final AbstractState state = states.get(position);
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state.doWork(this);
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}
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||||
@Override
|
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public void onWorkAbort(final String message)
|
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{
|
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position = 0;
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Bukkit.getScheduler().scheduleSyncDelayedTask(getPlugin(), new Runnable()
|
||||
{
|
||||
@Override
|
||||
public void run()
|
||||
{
|
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if (message != null && !message.isEmpty() && StateMachine.this.player.isOnline())
|
||||
{
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StateMachine.this.player.sendMessage(message);
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}
|
||||
}
|
||||
});
|
||||
}
|
||||
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@Override
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public void onWorkDone(final String message)
|
||||
{
|
||||
position++;
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Bukkit.getScheduler().scheduleSyncDelayedTask(getPlugin(), new Runnable()
|
||||
{
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@Override
|
||||
public void run()
|
||||
{
|
||||
if (message != null && !message.isEmpty() && StateMachine.this.player.isOnline())
|
||||
{
|
||||
StateMachine.this.player.sendMessage(message);
|
||||
}
|
||||
StateMachine.this.callStateWork();
|
||||
}
|
||||
});
|
||||
}
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}
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@ -0,0 +1,12 @@
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package com.earth2me.essentials.update.tasks;
|
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import com.earth2me.essentials.update.WorkListener;
|
||||
|
||||
|
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public class InstallChat extends InstallModule
|
||||
{
|
||||
public InstallChat(final WorkListener listener)
|
||||
{
|
||||
super(listener, "EssentialsChat");
|
||||
}
|
||||
}
|
@ -0,0 +1,61 @@
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package com.earth2me.essentials.update.tasks;
|
||||
|
||||
import com.earth2me.essentials.update.GetFile;
|
||||
import com.earth2me.essentials.update.ModuleInfo;
|
||||
import com.earth2me.essentials.update.VersionInfo;
|
||||
import com.earth2me.essentials.update.WorkListener;
|
||||
import java.io.File;
|
||||
import java.net.URL;
|
||||
import java.util.logging.Level;
|
||||
import org.bukkit.Bukkit;
|
||||
|
||||
|
||||
public class InstallModule implements Runnable, Task
|
||||
{
|
||||
protected final transient WorkListener listener;
|
||||
private final transient String moduleName;
|
||||
private final transient String fileName;
|
||||
|
||||
public InstallModule(final WorkListener listener, final String moduleName)
|
||||
{
|
||||
this(listener, moduleName, moduleName + ".jar");
|
||||
}
|
||||
|
||||
public InstallModule(final WorkListener listener, final String moduleName, final String fileName)
|
||||
{
|
||||
this.listener = listener;
|
||||
this.moduleName = moduleName;
|
||||
this.fileName = fileName;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void start()
|
||||
{
|
||||
Bukkit.getScheduler().scheduleAsyncDelayedTask(listener.getPlugin(), this);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void run()
|
||||
{
|
||||
final VersionInfo info = listener.getNewVersionInfo();
|
||||
final ModuleInfo module = info.getModules().get(moduleName);
|
||||
if (module == null)
|
||||
{
|
||||
listener.onWorkAbort("Module " + moduleName + " not found in VersionInfo.");
|
||||
return;
|
||||
}
|
||||
try
|
||||
{
|
||||
final URL downloadUrl = module.getUrl();
|
||||
final GetFile getFile = new GetFile(downloadUrl);
|
||||
getFile.saveTo(new File(listener.getPlugin().getServer().getUpdateFolderFile(), fileName), module.getHash());
|
||||
listener.onWorkDone("Module " + moduleName + " downloaded.");
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Bukkit.getLogger().log(Level.SEVERE, "Failed to download module " + moduleName + " to " + fileName, ex);
|
||||
listener.onWorkAbort("An error occured, please check your server log.");
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
@ -0,0 +1,7 @@
|
||||
package com.earth2me.essentials.update.tasks;
|
||||
|
||||
|
||||
public interface Task
|
||||
{
|
||||
void start();
|
||||
}
|
Loading…
Reference in New Issue
Block a user