/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.driver.net.wireless.spi;
import java.io.PrintWriter;
import org.jnode.driver.Device;
import org.jnode.driver.DriverException;
import org.jnode.driver.net.NetworkException;
import org.jnode.driver.net.WirelessNetDeviceAPI;
import org.jnode.driver.net.ethernet.spi.BasicEthernetDriver;
import org.jnode.driver.net.ethernet.spi.Flags;
import org.jnode.driver.net.spi.AbstractDeviceCore;
import org.jnode.net.wireless.AuthenticationMode;
import org.jnode.system.resource.ResourceNotFreeException;
/**
* Base class for wireless ethernet drivers.
*
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
public abstract class WirelessEthernetDriver extends BasicEthernetDriver implements WirelessNetDeviceAPI {
/**
* Device prefix for ethernet devices
*/
public static final String WLAN_DEVICE_PREFIX = "wlan";
/**
* @see org.jnode.driver.net.WirelessNetDeviceAPI#getAuthenticationMode()
*/
public AuthenticationMode getAuthenticationMode() {
try {
return getWirelessCore().getAuthenticationMode();
} catch (DriverException ex) {
log.debug("Cannot read AuthenticationMode, defaulting to OPENSYSTEM", ex);
return AuthenticationMode.OPENSYSTEM;
}
}
/**
* @see org.jnode.driver.net.spi.AbstractNetDriver#getDevicePrefix()
*/
protected final String getDevicePrefix() {
return WLAN_DEVICE_PREFIX;
}
/**
* @see org.jnode.driver.net.WirelessNetDeviceAPI#getESSID()
*/
public String getESSID() {
try {
return getWirelessCore().getESSID();
} catch (DriverException ex) {
log.debug("Cannot read ESSID", ex);
return null;
}
}
/**
* Gets the wireless device core.
*
* @return the WirelessDeviceCore
*/
protected final WirelessDeviceCore getWirelessCore() {
return (WirelessDeviceCore) getDeviceCore();
}
/**
* @see org.jnode.driver.net.ethernet.spi.BasicEthernetDriver#newCore(org.jnode.driver.Device,
* org.jnode.driver.net.ethernet.spi.Flags)
*/
protected final AbstractDeviceCore newCore(Device device, Flags flags)
throws DriverException, ResourceNotFreeException {
return newWirelessCore(device, flags);
}
/**
* Create a new device code instance
*/
protected abstract WirelessDeviceCore newWirelessCore(Device device, Flags flags)
throws DriverException, ResourceNotFreeException;
/**
* @see org.jnode.driver.net.WirelessNetDeviceAPI#setAuthenticationMode(
* org.jnode.net.wireless.AuthenticationMode)
*/
public void setAuthenticationMode(AuthenticationMode mode) throws NetworkException {
try {
getWirelessCore().setAuthenticationMode(mode);
} catch (DriverException ex) {
log.debug("setAuthenticationMode failed", ex);
throw new NetworkException(ex);
}
}
/**
* @see org.jnode.driver.net.WirelessNetDeviceAPI#setESSID(java.lang.String)
*/
public void setESSID(String essid) throws NetworkException {
try {
getWirelessCore().setESSID(essid);
} catch (DriverException ex) {
log.debug("setESSID failed", ex);
throw new NetworkException(ex);
}
}
/**
* @see org.jnode.driver.net.spi.AbstractNetDriver#showInfo(java.io.PrintWriter)
*/
public void showInfo(PrintWriter out) {
super.showInfo(out);
out.println("Current ESSID " + getESSID());
}
/**
* @see org.jnode.driver.net.ethernet.spi.BasicEthernetDriver#startDevice()
*/
protected void startDevice() throws DriverException {
super.startDevice();
getDevice().registerAPI(WirelessNetDeviceAPI.class, this);
}
/**
* @see org.jnode.driver.net.ethernet.spi.BasicEthernetDriver#stopDevice()
*/
protected void stopDevice() throws DriverException {
getDevice().unregisterAPI(WirelessNetDeviceAPI.class);
super.stopDevice();
}
}