/**
 * This file is part of the Meeds project (https://meeds.io/).
 *
 * Copyright (C) 2020 - 2025 Meeds Association contact@meeds.io
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package org.gatein.pc.api.invocation.resolver;

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

@SuppressWarnings("unchecked")
public class MapAttributeResolver implements AttributeResolver
{

   /** . */
   private final Map attributes;

   public MapAttributeResolver(Map attributes)
   {
      if (attributes == null)
      {
         throw new IllegalArgumentException();
      }
      this.attributes = attributes;
   }

   public MapAttributeResolver()
   {
      this(new HashMap());
   }


   public Set getKeys()
   {
      return attributes.keySet();
   }

   public Object getAttribute(Object attrKey) throws IllegalArgumentException
   {
      if (attrKey == null)
      {
         throw new IllegalArgumentException();
      }
      return attributes.get(attrKey);
   }

   public void setAttribute(Object attrKey, Object attrValue) throws IllegalArgumentException
   {
      if (attrKey == null)
      {
         throw new IllegalArgumentException();
      }
      if (attrValue != null)
      {
         attributes.put(attrKey, attrValue);
      }
      else
      {
         attributes.remove(attrKey);
      }
   }
}
