Reorganize sources to maven project standard

src/main/java/com/loohp/limbo/Permissions/PermissionsManager.java

@@ -0,0 +1,69 @@
+package com.loohp.limbo.Permissions;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import com.loohp.limbo.Console;
+import com.loohp.limbo.Commands.CommandSender;
+import com.loohp.limbo.File.FileConfiguration;
+import com.loohp.limbo.Player.Player;
+
+public class PermissionsManager {
+	
+	private Map<String, List<String>> users;
+	private Map<String, List<String>> permissions;
+	
+	public PermissionsManager() {
+		users = new HashMap<>();
+		permissions = new HashMap<>();
+	}
+	
+	@SuppressWarnings("unchecked")
+	public void loadDefaultPermissionFile(File file) throws FileNotFoundException {
+		FileConfiguration config = new FileConfiguration(file);
+		permissions.put("default", new ArrayList<>());
+		try {
+			for (Object obj : config.get("groups", Map.class).keySet()) {
+				String key = (String) obj;
+				List<String> nodes = new ArrayList<>();
+				nodes.addAll(config.get("groups." + key, List.class));
+				permissions.put(key, nodes);
+			}
+		} catch (Exception e) {}
+		try {
+			for (Object obj : config.get("players", Map.class).keySet()) {
+				String key = (String) obj;
+				List<String> groups = new ArrayList<>();
+				groups.addAll(config.get("players." + key, List.class));
+				users.put(key, groups);
+			}
+		} catch (Exception e) {}
+	}
+	
+	public boolean hasPermission(CommandSender sender, String permission) {
+		if (sender instanceof Console) {
+			return true;
+		} else if (sender instanceof Player) {
+			Player player = (Player) sender;
+			if (users.get(player.getName()) != null && users.get(player.getName()).stream().anyMatch(each -> permissions.get(each).stream().anyMatch(node -> node.equalsIgnoreCase(permission)))) {
+				return true;
+			} else {
+				return permissions.get("default").stream().anyMatch(node -> node.equalsIgnoreCase(permission));
+			}
+		}
+		return false;
+	}
+
+	public Map<String, List<String>> getUsers() {
+		return users;
+	}
+
+	public Map<String, List<String>> getPermissions() {
+		return permissions;
+	}
+
+}