dbconnectionstablemodel.java

报表设计软件,很好的

/**
 * ========================================================================================
 * JFreeReport Designer : a graphical designer for JFreeReport - a free Java report library
 * ========================================================================================
 *
 * Project Info:  http://www.jfree.org/jfreereport/index.html
 * Project Lead:  Thomas Morgner ([e-mail]);
 *
 * (C) Copyright 2003, by Heiko Evermann ([e-mail]) and Contributors.
 *
 * This library 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 library 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
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 */

package org.jfree.designer.db;

import java.util.ArrayList;

import org.jfree.ui.SortableTableModel;

/**
 * @author hev
 *         <p/>
 *         To change this generated comment edit the template variable "typecomment":
 *         Window>Preferences>Java>Templates. To enable and disable the creation of type
 *         comments go to Window>Preferences>Java>Code Generation.
 */
public final class DBConnectionsTableModel
        extends SortableTableModel
{
  private final ArrayList dbConnections;

  public DBConnectionsTableModel ()
  {
    dbConnections = new ArrayList();
  }

  public final void setModell (final ArrayList newList)
  {
    if (newList == null)
    {
      throw new NullPointerException();
    }
    dbConnections.clear();
    dbConnections.addAll(newList);
  }

  public final void addDBConnection (final ConnectionEntry dbConnection)
  {
    if (dbConnection == null)
    {
      throw new NullPointerException();
    }
    dbConnections.add(dbConnection);
    fireTableDataChanged();
  }

  public final void removeDBConnection (final int nIdx)
  {
    dbConnections.remove(nIdx);
    fireTableDataChanged();
  }

  public final int getRowCount ()
  {
    return dbConnections.size();
  }

  /**
   * @see javax.swing.table.TableModel#getColumnCount()
   */
  public final int getColumnCount ()
  {
    return 3;
  }

  /**
   * Returns the name of the specified column.
   */
  public final String getColumnName (final int columnIndex)
  {
    switch (columnIndex)
    {
      case 0:
        return "Connection name";
      case 1:
        return "User name";
      case 2:
        return "URL";
      default:
        throw new IndexOutOfBoundsException();
    }
  }

  /**
   * @see javax.swing.table.TableModel#getValueAt(int, int)
   */
  public final Object getValueAt (final int rowIndex, final int columnIndex)
  {
    final ConnectionEntry entry = (ConnectionEntry) dbConnections.get(rowIndex);
    switch (columnIndex)
    {
      case 0:
        return entry.getName();
      case 1:
        return entry.getUsername();
      case 2:
        return entry.getUrl();
      default:
        throw new IndexOutOfBoundsException();
    }
  }

  public final ConnectionEntry getDBConnection (final int rowIndex)
  {
    return (ConnectionEntry) dbConnections.get(rowIndex);
  }

}