More file moving.

src/main/java/com/sk89q/bukkit/migration/PermissionsResolverManager.java

@@ -0,0 +1,113 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010 sk89q <http://www.sk89q.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package com.sk89q.bukkit.migration;
+
+import java.util.logging.Logger;
+import org.bukkit.Server;
+import org.bukkit.plugin.Plugin;
+import org.bukkit.util.config.Configuration;
+
+public class PermissionsResolverManager implements PermissionsResolver {
+    private Configuration config;
+    private Server server;
+    private PermissionsResolver perms;
+    private String name;
+    private Logger logger;
+    
+    public PermissionsResolverManager(Configuration config, Server server, String name, Logger logger) {
+        this.config = config;
+        this.server = server;
+        this.name = name;
+        this.logger = logger;
+        
+        findResolver();
+    }
+    
+    public void findResolver() {
+        if (tryPluginPermissionsResolver()) return;
+        if (tryNijiPermissions()) return;
+        if (tryFlatFilePermissions()) return;
+        
+        perms = new ConfigurationPermissionsResolver(config);
+        logger.info(name + ": No known permissions plugin detected. Using configuration file for permissions.");
+    }
+    
+    private boolean tryNijiPermissions() {
+        try {
+            perms = new NijiPermissionsResolver(server);
+            logger.info(name + ": Permissions plugin detected! Using Permissions plugin for permissions.");
+            return true;
+        } catch (Throwable e) {
+            return false;
+        }
+    }
+    
+    private boolean tryFlatFilePermissions() {
+        if (FlatFilePermissionsResolver.filesExists()) {
+            perms = new FlatFilePermissionsResolver();
+            logger.info(name + ": perms_groups.txt and perms_users.txt detected! Using flat file permissions.");
+            return true;
+        }
+        
+        return false;
+    }
+    
+    private boolean tryPluginPermissionsResolver() {
+        for (Plugin plugin : server.getPluginManager().getPlugins()) {
+            if (plugin instanceof PermissionsProvider) {
+                perms = new PluginPermissionsResolver(
+                        (PermissionsProvider) plugin);
+                logger.info(name + ": Using plugin '"
+                        + plugin.getDescription().getName() + " for permissions.");
+                return true;
+            }
+        }
+        
+        return false;
+    }
+    
+    public void setPluginPermissionsResolver(Plugin plugin) {
+        if (!(plugin instanceof PermissionsProvider)) {
+            return;
+        }
+        
+        perms = new PluginPermissionsResolver(
+                (PermissionsProvider) plugin);
+        logger.info(name + ": Using plugin '"
+                + plugin.getDescription().getName() + " for permissions.");
+    }
+
+    public void load() {
+        perms.load();
+    }
+
+    public boolean hasPermission(String name, String permission) {
+        return perms.hasPermission(name, permission);
+    }
+
+    public boolean inGroup(String player, String group) {
+        return perms.inGroup(player, group);
+    }
+
+    public String[] getGroups(String player) {
+        return perms.getGroups(player);
+    }
+
+}