Added hierarchical permissions support to permission resolvers, improved Permissions support.

src/com/sk89q/bukkit/migration/ConfigurationPermissionsResolver.java

@@ -94,6 +94,13 @@ public class ConfigurationPermissionsResolver implements PermissionsResolver {
     }
     
     public boolean hasPermission(String player, String permission) {
+        int dotPos = permission.lastIndexOf(".");
+        if (dotPos > -1) {
+            if (hasPermission(player, permission.substring(0, dotPos))) {
+                return true;
+            }
+        }
+        
         Set<String> perms = userPermissionsCache.get(player.toLowerCase());
         if (perms == null) {
             return defaultPermissionsCache.contains(permission)

src/com/sk89q/bukkit/migration/FlatFilePermissionsResolver.java

@@ -153,6 +153,13 @@ public class FlatFilePermissionsResolver implements PermissionsResolver {
     }
     
     public boolean hasPermission(String player, String permission) {
+        int dotPos = permission.lastIndexOf(".");
+        if (dotPos > -1) {
+            if (hasPermission(player, permission.substring(0, dotPos))) {
+                return true;
+            }
+        }
+        
         Set<String> perms = userPermissionsCache.get(player.toLowerCase());
         if (perms == null) {
             return defaultPermissionsCache.contains(permission)

src/com/sk89q/bukkit/migration/GroupUsersPemissionsResolver.java

@@ -55,6 +55,12 @@ public class GroupUsersPemissionsResolver implements PermissionsResolver {
         try {
             Player player = server.getPlayer(name);
             if (player == null) return false;
+            int dotPos = permission.lastIndexOf(".");
+            if (dotPos > -1) {
+                if (hasPermission(name, permission.substring(0, dotPos))) {
+                    return true;
+                }
+            }
             return groupUsers.playerCanUseCommand(player, permission);
         } catch (Throwable t) {
             t.printStackTrace();

src/com/sk89q/bukkit/migration/NijiPermissionsResolver.java

@@ -67,7 +67,7 @@ public class NijiPermissionsResolver implements PermissionsResolver {
         try {
             Player player = server.getPlayer(name);
             if (player == null) return false;
-            return group.equals(api.Security.getGroup(player.getName()));
+            return api.Security.inGroup(name, group);
         } catch (Throwable t) {
             t.printStackTrace();
             return false;