Add method to get all columns

Author: BenCodez

AdvancedCore/src/com/bencodez/advancedcore/api/user/UserManager.java

@@ -294,6 +294,22 @@ public HashMap<UUID, ArrayList<Column>> getAllKeys() {
 		return getAllKeys(plugin.getStorageType());
 	}
 
+	@SuppressWarnings("deprecation")
+	public List<String> getAllColumns() {
+		UserStorage storage = plugin.getStorageType();
+		if (storage.equals(UserStorage.SQLITE)) {
+			return plugin.getSQLiteUserTable().getColumnsString();
+		} else if (storage.equals(UserStorage.MYSQL)) {
+			return plugin.getMysql().getColumns();
+		} else {
+			AdvancedCoreUser user = getRandomUser();
+			user.dontCache();
+			return new ArrayList<String>(
+					user.getData().getData(user.getUUID()).getConfigurationSection("").getKeys(false));
+
+		}
+	}
+
 	public HashMap<UUID, ArrayList<Column>> getAllKeys(UserStorage storage) {
 		if (storage.equals(UserStorage.SQLITE)) {
 			return plugin.getSQLiteUserTable().getAllQuery();

AdvancedCore/src/com/bencodez/advancedcore/api/user/userstorage/sql/Table.java

@@ -209,6 +209,15 @@ public List<Column> getColumns() {
 		return columns;
 	}
 
+	public List<String> getColumnsString() {
+		List<Column> column = getColumns();
+		ArrayList<String> list = new ArrayList<String>();
+		for (Column col : column) {
+			list.add(col.getName());
+		}
+		return list;
+	}
+
 	public ArrayList<Column> getExact(Column column) {
 		ArrayList<Column> result = new ArrayList<>();