/* Copyright (c) 2008-2014, Avian Contributors

   Permission to use, copy, modify, and/or distribute this software
   for any purpose with or without fee is hereby granted, provided
   that the above copyright notice and this permission notice appear
   in all copies.

   There is NO WARRANTY for this software.  See license.txt for
   details. */

package java.security;

import java.util.Map;
import java.util.HashMap;
import java.util.Set;
import java.util.HashSet;

public class Permissions extends PermissionCollection {
  private final Map<Class,PermissionCollection> collections = new HashMap();

  public void add(Permission p) {
    Class c = p.getClass();
    PermissionCollection pc = collections.get(c);
    if (pc == null) {
      pc = p.newPermissionCollection();
      if (pc == null) {
        pc = new MyPermissionCollection();
      }
      collections.put(c, pc);
    }
    pc.add(p);
  }

  private static class MyPermissionCollection extends PermissionCollection {
    private final Set<Permission> permissions = new HashSet();

    public void add(Permission p) {
      permissions.add(p);
    }
  }
}