Package org.jallinone.hierarchies.server

Source Code of org.jallinone.hierarchies.server.CompanyHierarchyUtil

package org.jallinone.hierarchies.server;

import java.math.BigDecimal;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Hashtable;

import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;

import org.jallinone.hierarchies.java.CompanyHierarchyLevelVO;
import org.openswing.swing.server.ConnectionManager;
import org.openswing.swing.tree.java.OpenSwingTreeNode;

/**
* <p>Title: JAllInOne ERP/CRM application</p>
* <p>Description: Utility class used to retrieve a hierarchy tree model from HIE01 table, based on the specified hierarchy identifier..</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 CompanyHierarchyUtil {



    /**
     * Business logic to execute.
     */
    public static DefaultTreeModel loadHierarchy(String companyCodeSys01,BigDecimal progressiveHIE02,String langId,String username) throws Throwable {
      PreparedStatement pstmt = null;
      Connection conn = null;
      try {
        conn = ConnectionManager.getConnection(null);

        // retrieve the whole tree...
        DefaultTreeModel model = null;
        pstmt = conn.prepareStatement(
            "select HIE01_COMPANY_LEVELS.PROGRESSIVE,HIE01_COMPANY_LEVELS.PROGRESSIVE_HIE01,HIE01_COMPANY_LEVELS.LEV,"+
            "SYS10_COMPANY_TRANSLATIONS.DESCRIPTION,HIE02_COMPANY_HIERARCHIES.PROGRESSIVE_HIE01 "+
            "from HIE01_COMPANY_LEVELS,HIE02_COMPANY_HIERARCHIES,SYS10_COMPANY_TRANSLATIONS where "+
            "HIE01_COMPANY_LEVELS.COMPANY_CODE_SYS01=HIE02_COMPANY_HIERARCHIES.COMPANY_CODE_SYS01 and "+
            "HIE01_COMPANY_LEVELS.PROGRESSIVE_HIE02=HIE02_COMPANY_HIERARCHIES.PROGRESSIVE and "+
            "HIE01_COMPANY_LEVELS.COMPANY_CODE_SYS01 = SYS10_COMPANY_TRANSLATIONS.COMPANY_CODE_SYS01 and "+
            "HIE01_COMPANY_LEVELS.PROGRESSIVE = SYS10_COMPANY_TRANSLATIONS.PROGRESSIVE and "+
            "SYS10_COMPANY_TRANSLATIONS.LANGUAGE_CODE='"+langId+"' and HIE01_COMPANY_LEVELS.ENABLED='Y' and "+
            "HIE01_COMPANY_LEVELS.COMPANY_CODE_SYS01='"+companyCodeSys01+"' and "+
            "HIE01_COMPANY_LEVELS.PROGRESSIVE_HIE02=? "+
            "order by HIE01_COMPANY_LEVELS.LEV,HIE01_COMPANY_LEVELS.PROGRESSIVE_HIE01,HIE01_COMPANY_LEVELS.PROGRESSIVE"
        );
        pstmt.setBigDecimal(1,progressiveHIE02);
        ResultSet rset = pstmt.executeQuery();

        Hashtable currentLevelNodes = new Hashtable();
        Hashtable newLevelNodes = new Hashtable();
        int currentLevel = -1;
        DefaultMutableTreeNode currentNode = null;
        DefaultMutableTreeNode parentNode = null;
        CompanyHierarchyLevelVO 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 CompanyHierarchyLevelVO();
            vo.setCompanySys01HIE01(companyCodeSys01);
            vo.setEnabledHIE01("Y");
            vo.setLevelHIE01(rset.getBigDecimal(3));
            vo.setProgressiveHIE01(rset.getBigDecimal(1));
            vo.setProgressiveHie01HIE01(rset.getBigDecimal(2));
            vo.setProgressiveHie02HIE01(progressiveHIE02);
            vo.setDescriptionSYS10(rset.getString(4));
            vo.setProgressiveHie01HIE02(rset.getBigDecimal(5));
            currentNode = new OpenSwingTreeNode(vo);
            model = new DefaultTreeModel(currentNode);
          }
          else {
            vo = new CompanyHierarchyLevelVO();
            vo.setCompanySys01HIE01(companyCodeSys01);
            vo.setEnabledHIE01("Y");
            vo.setLevelHIE01(rset.getBigDecimal(3));
            vo.setProgressiveHIE01(rset.getBigDecimal(1));
            vo.setProgressiveHie01HIE01(rset.getBigDecimal(2));
            vo.setProgressiveHie02HIE01(progressiveHIE02);
            vo.setDescriptionSYS10(rset.getString(4));
            vo.setProgressiveHie01HIE02(rset.getBigDecimal(5));
            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 model;
      } catch (Exception ex1) {
        ex1.printStackTrace();
        throw new Exception(ex1.getMessage());
      } finally {
        try {
          pstmt.close();
        }
        catch (Exception ex) {
        }
        try {
          ConnectionManager.releaseConnection(conn, null);
        } catch (Exception e) {
        }
      }
    }





}
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