org.netxms.ui.eclipse.topology.views.helpers.ConnectionPointComparator.java Source code

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Here is the source code for org.netxms.ui.eclipse.topology.views.helpers.ConnectionPointComparator.java

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/**
 * NetXMS - open source network management system
 * Copyright (C) 2003-2015 Victor Kirhenshtein
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package org.netxms.ui.eclipse.topology.views.helpers;

import java.net.InetAddress;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;
import org.netxms.client.NXCSession;
import org.netxms.client.objects.Interface;
import org.netxms.client.topology.ConnectionPoint;
import org.netxms.ui.eclipse.shared.ConsoleSharedData;
import org.netxms.ui.eclipse.tools.ComparatorHelper;
import org.netxms.ui.eclipse.topology.views.HostSearchResults;
import org.netxms.ui.eclipse.widgets.SortableTableViewer;

/**
 * Comparator for ConnectionPoint objects 
 *
 */
public class ConnectionPointComparator extends ViewerComparator {
    private ITableLabelProvider labelProvider;
    private NXCSession session = (NXCSession) ConsoleSharedData.getSession();

    /**
     * @param labelProvider
     */
    public ConnectionPointComparator(ITableLabelProvider labelProvider) {
        super();
        this.labelProvider = labelProvider;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ViewerComparator#compare(org.eclipse.jface.viewers.Viewer, java.lang.Object, java.lang.Object)
     */
    @Override
    public int compare(Viewer viewer, Object e1, Object e2) {
        int result;
        int column = (Integer) ((SortableTableViewer) viewer).getTable().getSortColumn().getData("ID"); //$NON-NLS-1$
        switch (column) {
        case HostSearchResults.COLUMN_SEQUENCE:
            result = (Integer) ((ConnectionPoint) e1).getData() - (Integer) ((ConnectionPoint) e2).getData();
            break;
        case HostSearchResults.COLUMN_NODE:
        case HostSearchResults.COLUMN_INTERFACE:
        case HostSearchResults.COLUMN_MAC_ADDRESS:
        case HostSearchResults.COLUMN_SWITCH:
        case HostSearchResults.COLUMN_PORT:
            result = labelProvider.getColumnText(e1, column)
                    .compareToIgnoreCase(labelProvider.getColumnText(e2, column));
            break;
        case HostSearchResults.COLUMN_IP_ADDRESS:
            Interface iface1 = (Interface) session.findObjectById(((ConnectionPoint) e1).getLocalInterfaceId(),
                    Interface.class);
            Interface iface2 = (Interface) session.findObjectById(((ConnectionPoint) e2).getLocalInterfaceId(),
                    Interface.class);
            InetAddress a1 = ((ConnectionPoint) e1).getLocalIpAddress();
            InetAddress a2 = ((ConnectionPoint) e2).getLocalIpAddress();
            if ((a1 == null) && (iface1 != null))
                a1 = iface1.getFirstUnicastAddress();
            if ((a2 == null) && (iface2 != null))
                a2 = iface2.getFirstUnicastAddress();
            result = ComparatorHelper.compareInetAddresses(a1, a2);
            break;
        default:
            result = 0;
            break;
        }
        return (((SortableTableViewer) viewer).getTable().getSortDirection() == SWT.UP) ? result : -result;
    }
}