com.adito.core.InterfacesMultiSelectListDataSource.java Source code

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Here is the source code for com.adito.core.InterfacesMultiSelectListDataSource.java

Source

/*
*  Adito
*
*  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
*
*  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 com.adito.core;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.struts.util.LabelValueBean;

import com.adito.input.MultiSelectDataSource;
import com.adito.security.SessionInfo;

/**
 * Implementation of a {@link com.adito.input.MultiSelectDataSource} that
 * retrieves its values from the available network interfaces on this machine.
 */

public class InterfacesMultiSelectListDataSource implements MultiSelectDataSource {

    final static Log log = LogFactory.getLog(InterfacesMultiSelectListDataSource.class);

    /* (non-Javadoc)
     * @see com.adito.input.MultiSelectDataSource#getValues(com.adito.security.SessionInfo)
     */
    public Collection<LabelValueBean> getValues(SessionInfo session) {
        ArrayList l = new ArrayList();
        try {
            // TODO make this localised
            l.add(new LabelValueBean("All Interfaces", "0.0.0.0"));
            for (Enumeration e = NetworkInterface.getNetworkInterfaces(); e.hasMoreElements();) {
                NetworkInterface ni = (NetworkInterface) e.nextElement();
                for (Enumeration e2 = ni.getInetAddresses(); e2.hasMoreElements();) {
                    InetAddress addr = (InetAddress) e2.nextElement();
                    l.add(new LabelValueBean(addr.getHostAddress(), addr.getHostAddress()));
                }
            }
        } catch (Throwable t) {
            log.error("Failed to list network interfaces.", t);
        }
        return l;
    }
}