#421 Create PluginHooks

- PluginHooks manages third-party plugins and allows to perform actions and queries on them, instead of public fields on the AuthMe main class

src/main/java/fr/xephi/authme/command/CommandService.java

@@ -5,6 +5,7 @@ import fr.xephi.authme.cache.auth.PlayerCache;
 import fr.xephi.authme.command.help.HelpProvider;
 import fr.xephi.authme.datasource.DataSource;
 import fr.xephi.authme.cache.IpAddressManager;
+import fr.xephi.authme.hooks.PluginHooks;
 import fr.xephi.authme.output.MessageKey;
 import fr.xephi.authme.output.Messages;
 import fr.xephi.authme.permission.PermissionsManager;
@@ -30,6 +31,7 @@ public class CommandService {
     private final PermissionsManager permissionsManager;
     private final NewSetting settings;
     private final IpAddressManager ipAddressManager;
+    private final PluginHooks pluginHooks;
 
     /**
      * Constructor.
@@ -45,7 +47,7 @@ public class CommandService {
      */
     public CommandService(AuthMe authMe, CommandMapper commandMapper, HelpProvider helpProvider, Messages messages,
                           PasswordSecurity passwordSecurity, PermissionsManager permissionsManager, NewSetting settings,
-                          IpAddressManager ipAddressManager) {
+                          IpAddressManager ipAddressManager, PluginHooks pluginHooks) {
         this.authMe = authMe;
         this.messages = messages;
         this.helpProvider = helpProvider;
@@ -54,6 +56,7 @@ public class CommandService {
         this.permissionsManager = permissionsManager;
         this.settings = settings;
         this.ipAddressManager = ipAddressManager;
+        this.pluginHooks = pluginHooks;
     }
 
     /**
@@ -195,4 +198,8 @@ public class CommandService {
         return PlayerCache.getInstance();
     }
 
+    public PluginHooks getPluginHooks() {
+        return pluginHooks;
+    }
+
 }

src/main/java/fr/xephi/authme/command/executable/authme/PurgeBannedPlayersCommand.java

@@ -25,7 +25,8 @@ public class PurgeBannedPlayersCommand implements ExecutableCommand {
 
         // Purge the banned players
         plugin.getDataSource().purgeBanned(bannedPlayers);
-        if (commandService.getProperty(PurgeSettings.REMOVE_ESSENTIALS_FILES) && plugin.ess != null)
+        if (commandService.getProperty(PurgeSettings.REMOVE_ESSENTIALS_FILES)
+            && commandService.getPluginHooks().isEssentialsAvailable())
             plugin.dataManager.purgeEssentials(bannedPlayers);
         if (commandService.getProperty(PurgeSettings.REMOVE_PLAYER_DAT))
             plugin.dataManager.purgeDat(bannedPlayers);

src/main/java/fr/xephi/authme/command/executable/authme/PurgeCommand.java

@@ -47,7 +47,8 @@ public class PurgeCommand implements ExecutableCommand {
         sender.sendMessage(ChatColor.GOLD + "Deleted " + purged.size() + " user accounts");
 
         // Purge other data
-        if (commandService.getProperty(PurgeSettings.REMOVE_ESSENTIALS_FILES) && plugin.ess != null)
+        if (commandService.getProperty(PurgeSettings.REMOVE_ESSENTIALS_FILES) &&
+            commandService.getPluginHooks().isEssentialsAvailable())
             plugin.dataManager.purgeEssentials(purged);
         if (commandService.getProperty(PurgeSettings.REMOVE_PLAYER_DAT))
             plugin.dataManager.purgeDat(purged);