/*
    * Copyright (c) 2002-2017, Mairie de Paris
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met:
    *
    *  1. Redistributions of source code must retain the above copyright notice
   *     and the following disclaimer.
   *
   *  2. Redistributions in binary form must reproduce the above copyright notice
   *     and the following disclaimer in the documentation and/or other materials
   *     provided with the distribution.
   *
   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
   *     contributors may be used to endorse or promote products derived from
   *     this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   *
   * License 1.0
   */
  package org.apache.pluto.portalImpl.om.window.impl;
  
  import org.apache.pluto.om.common.ObjectID;
  import org.apache.pluto.om.entity.PortletEntity;
  import org.apache.pluto.om.window.PortletWindow;
  import org.apache.pluto.om.window.PortletWindowCtrl;
  import org.apache.pluto.portalImpl.services.log.Log;
  
  import java.util.Collections;
  import java.util.HashMap;
  import java.util.Iterator;
  import java.util.Map;
  
  import javax.portlet.PortletMode;
  import javax.portlet.WindowState;
  
  
  //import fr.paris.lutece.plugins.jsr168.pluto.LutecePlutoConstant;
  public class PortletWindowImpl implements PortletWindow, PortletWindowCtrl
  {
      private ObjectID _objectId;
      private String _id;
      private PortletEntity _portletEntity;
      final private Map _renderParameters;
      private WindowState _windowState;
      private PortletMode _portletMode;
      final private Map _prevRenderParameters;
      private WindowState _prevWindowState;
      private PortletMode _prevPortletMode;
  
      public PortletWindowImpl( final String id )
      {
          _renderParameters = new HashMap(  );
          _prevRenderParameters = new HashMap(  );
          _id = id;
          _portletMode = PortletMode.VIEW;
          _prevPortletMode = PortletMode.VIEW;
          _windowState = WindowState.NORMAL;
          _prevWindowState = WindowState.NORMAL;
      }
  
      public Map getRenderParameters(  )
      {
          return Collections.unmodifiableMap( _renderParameters );
      }
  
      public String getParameter( final String paramName )
      {
          final String[] values = (String[]) _renderParameters.get( paramName );
  
          if ( values != null )
          {
              return values[0];
          }
  
          return null;
      }
  
      public String[] getParameterValues( final String paramName )
      {
          final String[] values = (String[]) _renderParameters.get( paramName );
  
          return values;
      }
  
      synchronized public void setRenderParameter( final Map parameters )
     {
         if ( parameters == null )
         {
             throw new IllegalArgumentException( "Parameter 'parameters' can't be null." );
         }
 
         Log.debug(  /*LutecePlutoConstant.LOG_CATEGORY,*/
             "portlet " + _id + " old render params " + _renderParameters.size(  ) + " / " + _renderParameters );
         Log.debug(  /*LutecePlutoConstant.LOG_CATEGORY,*/
             "portlet " + _id + " new render params " + parameters.size(  ) + " / " + parameters );
 
         _renderParameters.clear(  );
 
         final Iterator itEntries = parameters.entrySet(  ).iterator(  );
 
         while ( itEntries.hasNext(  ) )
         {
             final Map.Entry entry = (Map.Entry) itEntries.next(  );
             final Object name = entry.getKey(  );
             final Object value = entry.getValue(  );
 
             if ( !( name instanceof String ) )
             {
                 throw new IllegalArgumentException( "Key name must be a String (key '" + name + "' (" +
                     name.getClass(  ).getName(  ) + "))." );
             }
 
             if ( value instanceof String )
             {
                 _renderParameters.put( name, new String[] { (String) value } );
             }
             else if ( value instanceof String[] )
             {
                 _renderParameters.put( name, value );
             }
             else
             {
                 throw new IllegalArgumentException( 
                     "Values must be a String or String[] type String ou String[] (key '" + name + "' value is " +
                     value.getClass(  ).getName(  ) + ")." );
             }
         }
     }
 
     public void setPortletMode( final PortletMode portletMode )
     {
         if ( _portletMode != null )
         {
             _portletMode = portletMode;
         }
         else
         {
             _portletMode = PortletMode.VIEW;
         }
     }
 
     public PortletMode getPortletMode(  )
     {
         return _portletMode;
     }
 
     public void setWindowState( final WindowState windowState )
     {
         if ( windowState != null )
         {
             _windowState = windowState;
         }
         else
         {
             _windowState = WindowState.NORMAL;
         }
     }
 
     public WindowState getWindowState(  )
     {
         return _windowState;
     }
 
     // PortletWindow implementation.
 
     /**
     * Returns the identifier of this portlet instance window as object id
     *
     * @return the object identifier
     **/
     public ObjectID getId(  )
     {
         if ( _objectId == null )
         {
             _objectId = org.apache.pluto.portalImpl.util.ObjectID.createFromString( _id );
         }
 
         return _objectId;
     }
 
     /**
      * Returns the portlet entity
      *
      * @return the portlet entity
      **/
     public PortletEntity getPortletEntity(  )
     {
         return _portletEntity;
     }
 
     // PortletWindowCtrl implementation.
     /**
      * binds an identifier to this portlet window
      *
      * @param id the new identifier
      */
     public void setId( String id )
     {
         _id = id;
         _objectId = null;
     }
 
     /**
      * binds a portlet instance to this portlet window
      *
      * @param portletEntity a portlet entity object
      **/
     public void setPortletEntity( PortletEntity portletEntity )
     {
         _portletEntity = portletEntity;
     }
 
     public void saveValues(  )
     {
         _prevPortletMode = _portletMode;
         _prevWindowState = _windowState;
         _prevRenderParameters.clear(  );
         _prevRenderParameters.putAll( _renderParameters );
     }
 
     public void restoreValues(  )
     {
         _portletMode = _prevPortletMode;
         _windowState = _prevWindowState;
         _renderParameters.clear(  );
         _renderParameters.putAll( _prevRenderParameters );
     }
 
     /**
      * Return the previous portlet mode
      *
      * @return the previous portlet mode
      */
     public PortletMode getPrevPortletMode(  )
     {
         return _prevPortletMode;
     }
 
     /**
      * Return the previous window state
      *
      * @return the previous window state
      */
     public WindowState getPrevWindowState(  )
     {
         return _prevWindowState;
     }
 }