Package org.jallinone.system.permissions.server

Source Code of org.jallinone.system.permissions.server.LoadMenuFoldersAction

package org.jallinone.system.permissions.server;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import java.math.BigDecimal;
import java.sql.*;
import java.util.Hashtable;

import javax.swing.tree.*;
import org.jallinone.commons.server.JAIOBeanFactory;
import org.jallinone.system.server.JAIOUserSessionParameters;
import org.openswing.swing.logger.server.Logger;
import org.openswing.swing.message.receive.java.ErrorResponse;
import org.openswing.swing.message.receive.java.Response;
import org.openswing.swing.message.receive.java.VOResponse;
import org.openswing.swing.server.Action;
import org.openswing.swing.server.ConnectionManager;
import org.openswing.swing.server.UserSessionParameters;
import org.openswing.swing.tree.java.OpenSwingTreeNode;
import org.jallinone.hierarchies.java.HierarchyLevelVO;

/**
* <p>Title: JAllInOne ERP/CRM application</p>
* <p>Description: Action class used to retrieve menu folders from HIE03, based on the menu hierarchy.</p>
* <p>Copyright: Copyright (C) 2006 Mauro Carniel</p>
*
* <p> This file is part of JAllInOne ERP/CRM application.
* This application is free software; you can redistribute it and/or
* modify it under the terms of the (LGPL) Lesser General Public
* License as published by the Free Software Foundation;
*
*                GNU LESSER GENERAL PUBLIC LICENSE
*                 Version 2.1, February 1999
*
* This application 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*       The author may be contacted at:
*           maurocarniel@tin.it</p>
*
* @author Mauro Carniel
* @version 1.0
*/
public class LoadMenuFoldersAction implements Action {

  public LoadMenuFoldersAction() {
  }


  /**
   * @return request name
   */
  public final String getRequestName() {
    return "loadMenuFolders";
  }


  public final Response executeCommand(Object inputPar,UserSessionParameters userSessionPars,HttpServletRequest request, HttpServletResponse response,HttpSession userSession,ServletContext context) {
    try {
      Response answer = loadMenuFolders(((JAIOUserSessionParameters)userSessionPars).getServerLanguageId(),userSessionPars.getUsername());
      return answer;
    }
    catch (Throwable ex) {
      Logger.error(userSessionPars.getUsername(),this.getClass().getName(),"executeCommand","Error while processing request",ex);
      return new ErrorResponse(ex.getMessage());
    }
  }




    /**
     * Business logic to execute.
     */
    public VOResponse loadMenuFolders(String langId,String username) throws Throwable {
      Statement stmt = null;
      Connection conn = null;
      try {
        conn = ConnectionManager.getConnection(null);

        // retrieve the whole tree...
        DefaultTreeModel model = null;
        stmt = conn.createStatement();
        ResultSet rset = stmt.executeQuery(
            "select HIE03_LEVELS.PROGRESSIVE,HIE03_LEVELS.PROGRESSIVE_HIE03,HIE03_LEVELS.LEV,SYS10_TRANSLATIONS.DESCRIPTION "+
            "from HIE03_LEVELS,SYS10_TRANSLATIONS "+
            "where HIE03_LEVELS.PROGRESSIVE = SYS10_TRANSLATIONS.PROGRESSIVE and "+
            "SYS10_TRANSLATIONS.LANGUAGE_CODE='"+langId+"' and ENABLED='Y' and PROGRESSIVE_HIE04=2 "+
            "order by LEV,PROGRESSIVE_HIE03,PROGRESSIVE"
        );
        Hashtable currentLevelNodes = new Hashtable();
        Hashtable newLevelNodes = new Hashtable();
        int currentLevel = -1;
        DefaultMutableTreeNode currentNode = null;
        DefaultMutableTreeNode parentNode = null;
        HierarchyLevelVO vo = null;
        while(rset.next()) {
          if (currentLevel!=rset.getInt(3)) {
            // next level...
            currentLevel = rset.getInt(3);
            currentLevelNodes = newLevelNodes;
            newLevelNodes = new Hashtable();
          }

          if (currentLevel==0) {
            // prepare a tree model with the root node...
            vo = new HierarchyLevelVO();
            vo.setDescriptionSYS10(rset.getString(4));
            vo.setEnabledHIE03("Y");
            vo.setLevelHIE03(rset.getBigDecimal(3));
            vo.setProgressiveHIE03(rset.getBigDecimal(1));
            vo.setProgressiveHie03HIE03(rset.getBigDecimal(2));
            vo.setProgressiveHie04HIE03(new BigDecimal(2));
            currentNode = new OpenSwingTreeNode(vo);
            model = new DefaultTreeModel(currentNode);
          }
          else {
            vo = new HierarchyLevelVO();
            vo.setDescriptionSYS10(rset.getString(4));
            vo.setEnabledHIE03("Y");
            vo.setLevelHIE03(rset.getBigDecimal(3));
            vo.setProgressiveHIE03(rset.getBigDecimal(1));
            vo.setProgressiveHie03HIE03(rset.getBigDecimal(2));
            vo.setProgressiveHie04HIE03(new BigDecimal(2));
            currentNode = new OpenSwingTreeNode(vo);

            parentNode = (DefaultMutableTreeNode)currentLevelNodes.get(new Integer(rset.getInt(2)));
            parentNode.add(currentNode);
          }

          newLevelNodes.put(new Integer(rset.getInt(1)),currentNode);

        }
        rset.close();

        return new VOResponse(model);
      } catch (Exception ex1) {
        ex1.printStackTrace();
        throw new Exception(ex1.getMessage());
      } finally {
        try {
          stmt.close();
        }
        catch (Exception ex) {
        }
        try {
          ConnectionManager.releaseConnection(conn, null);
        } catch (Exception e) {
        }

      }

    }


}

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