Package org.geoforge.guillc.popupmenu

Source Code of org.geoforge.guillc.popupmenu.GfrPmuAbs

/*
*  Copyright (C) 2011-2014 GeoForge Project
*
*  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, see <http://www.gnu.org/licenses/>.
*/
package org.geoforge.guillc.popupmenu;

import java.awt.Component;
import java.util.HashMap;
import java.util.logging.Logger;
import javax.swing.JPopupMenu;
import org.geoforge.guillc.optionpane.GfrOptionPaneAbs;
import org.geoforge.io.handler.IGfrHandlerUnserializedObject;
import org.geoforge.lang.handler.IGfrHandlerImmutableProperties;
import org.geoforge.lang.handler.IGfrHandlerLifeCycleObject;
import org.geoforge.lang.handler.IGfrHandlerTransitoryObject;
import org.geoforge.java.util.logging.filehandler.FileHandlerLogger;

/**
*
* @author bantchao
*
* email: bantchao_AT_gmail.com
* ... please remove "_AT_" from the above string to get the right email address
*
*/
abstract public class GfrPmuAbs extends JPopupMenu implements
      IGfrHandlerLifeCycleObject,
      IGfrHandlerTransitoryObject,
      IGfrHandlerUnserializedObject,
      IGfrHandlerImmutableProperties
{
   // ----
   // begin: instantiate logger for this class

   final static private Logger _LOGGER_ = Logger.getLogger(GfrPmuAbs.class.getName());

   static
   {
      GfrPmuAbs._LOGGER_.addHandler(FileHandlerLogger.s_getInstance());
   }
   // end: instantiate logger for this class
   // ----
  
  
   private HashMap<String, String> _hmp_ = null;

   /*
    * A property could be assigned only one time
    */
   @Override
   public void setPropertyImmutable(String strKey, String strValue)
   {
      if (this._hmp_.containsKey(strKey))
      {
         throw new UnsupportedOperationException(
               "Dev coding error, key already assigned");
      }

      this._hmp_.put(strKey, strValue);
   }

   @Override
   public String getPropertyImmutable(String strKey)
   {
      return _hmp_.get(strKey);
   }

   @Override
   abstract public void loadTransient() throws Exception;

   @Override
   abstract public void releaseTransient() throws Exception;

   protected GfrPmuAbs()
   {
      super();
     
      this._hmp_ = new HashMap<String, String>();
   }

   @Override
   public boolean init()
   {
      try
      {
         loadTransient();
      }
      catch (Exception exc)
      {
         exc.printStackTrace();
         String str = exc.getMessage();
         GfrPmuAbs._LOGGER_.severe(str);
         GfrOptionPaneAbs.s_showDialogError(null, str);
         return false;
      }

      return true;
   }

   @Override
   public void destroy()
   {
      if (this._hmp_ != null)
      {
         this._hmp_.clear();
         this._hmp_ = null;
      }
   }

   @Override
   public void loadUnserializedObject() throws Exception
   {
      this.loadTransient();

      for (int i = 0; i < super.getComponentCount(); i++)
      {
         Component cmpCur = super.getComponent(i);

         if (cmpCur instanceof IGfrHandlerUnserializedObject)
         {
            IGfrHandlerUnserializedObject serCur = (IGfrHandlerUnserializedObject) cmpCur;
            serCur.loadUnserializedObject();
         }
      }
   }

   @Override
   public void releaseUnserializedObject() throws Exception
   {
      this.releaseTransient();

      for (int i = 0; i < super.getComponentCount(); i++)
      {
         Component cmpCur = super.getComponent(i);

         if (cmpCur instanceof IGfrHandlerUnserializedObject)
         {
            IGfrHandlerUnserializedObject serCur = (IGfrHandlerUnserializedObject) cmpCur;
            serCur.releaseUnserializedObject();
         }
      }
   }
}
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