/*
 * Copyright (C) 2010 eXo Platform SAS.
 *
 * This 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 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.exoplatform.services.portletcache;

import javax.portlet.PortletMode;
import javax.portlet.RenderRequest;
import javax.portlet.WindowState;
import java.util.Arrays;
import java.util.Locale;
import java.util.Map;

/**
 * @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
 * @version $Revision$
 */
class WindowKey
{

   /** . */
   private final String windowId;

   /** . */
   private final WindowState windowState;

   /** . */
   private final PortletMode portletMode;

   /** . */
   private final Locale locale;

   /** . */
   private final Map<String, String[]> parameters;

   /** . */
   private final Map<String, String[]> query;

   /** . */
   private final int hashCode;

   WindowKey(String windowId, WindowState windowState, PortletMode portletMode, Locale locale, Map<String, String[]> parameters, Map<String, String[]> query)
   {

      // Clone parameter map
      parameters = Util.clone(parameters);
      query = Util.clone(query);

      // Compute hashCode;
      int hashCode =
         windowId.hashCode() ^
         windowState.hashCode() ^
         portletMode.hashCode() ^
         locale.hashCode() ^
         Util.hashCode(parameters) ^
         Util.hashCode(query);

      //
      this.windowId = windowId;
      this.windowState = windowState;
      this.portletMode = portletMode;
      this.parameters = parameters;
      this.locale = locale;
      this.hashCode = hashCode;
      this.query = query;
   }

   public String getWindowId()
   {
      return windowId;
   }

   @Override
   public boolean equals(Object obj)
   {
      if (obj == this)
      {
         return true;
      }
      if (obj instanceof WindowKey)
      {
         WindowKey that = (WindowKey)obj;
         return windowId.equals(that.windowId) &&
             windowState.equals(that.windowState) &&
             portletMode.equals(that.portletMode) &&
             locale.equals(that.locale) &&
             Util.equals(parameters, that.parameters) &&
             Util.equals(query, that.query);
      }
      return false;
   }

   @Override
   public int hashCode()
   {
      return hashCode;
   }

   @Override
   public String toString()
   {
      StringBuilder sb = new StringBuilder("WindowKey[");
      sb.append("windowId").append('=').append(windowId).append(',');
      sb.append("windowState").append('=').append(windowState).append(',');
      sb.append("portletMode").append('=').append(portletMode).append(',');
      sb.append("locale").append('=').append(locale).append(',');
      sb.append("parameters").append('=');
      Util.toString(parameters, sb);
      sb.append(',');
      sb.append("query").append('=');
      Util.toString(query, sb);
      sb.append(']');
      return sb.toString();
   }
}
