Add and implement handlers for each individual permissions plugin, instead of doing everything in the PermissionsManager - see #314

src/main/java/fr/xephi/authme/permission/handlers/VaultHandler.java

@@ -0,0 +1,67 @@
+package fr.xephi.authme.permission.handlers;
+
+import fr.xephi.authme.permission.PermissionNode;
+import fr.xephi.authme.permission.PermissionsSystemType;
+import net.milkbowl.vault.permission.Permission;
+import org.bukkit.entity.Player;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class VaultHandler implements PermissionHandler {
+
+    private Permission vaultProvider;
+
+    public VaultHandler(Permission vaultProvider) {
+        this.vaultProvider = vaultProvider;
+    }
+
+    @Override
+    public boolean addToGroup(Player player, String group) {
+        return vaultProvider.playerAddGroup(player, group);
+    }
+
+    @Override
+    public boolean hasGroupSupport() {
+        return vaultProvider.hasGroupSupport();
+    }
+
+    @Override
+    public boolean hasPermission(Player player, PermissionNode node, boolean def) {
+        return vaultProvider.has(player, node.getNode());
+    }
+
+    @Override
+    public boolean isInGroup(Player player, String group) {
+        return vaultProvider.playerInGroup(player, group);
+    }
+
+    @Override
+    public boolean removeFromGroup(Player player, String group) {
+        return vaultProvider.playerRemoveGroup(player, group);
+    }
+
+    @Override
+    public boolean setGroup(Player player, String group) {
+        for (String groupName : getGroups(player)) {
+            removeFromGroup(player, groupName);
+        }
+
+        return vaultProvider.playerAddGroup(player, group);
+    }
+
+    @Override
+    public List<String> getGroups(Player player) {
+        return Arrays.asList(vaultProvider.getPlayerGroups(player));
+    }
+
+    @Override
+    public String getPrimaryGroup(Player player) {
+        return vaultProvider.getPrimaryGroup(player);
+    }
+
+    @Override
+    public PermissionsSystemType getPermissionSystem() {
+        return PermissionsSystemType.VAULT;
+    }
+}