/*
* $Id$
*
* 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.debugger;
import java.util.ArrayList;
import java.util.Collection;
import javax.naming.NameNotFoundException;
import org.jnode.driver.ApiNotFoundException;
import org.jnode.driver.Device;
import org.jnode.driver.DeviceListener;
import org.jnode.driver.DeviceManager;
import org.jnode.driver.DeviceUtils;
import org.jnode.driver.input.KeyboardAPI;
import org.jnode.driver.input.SystemTriggerAPI;
import org.jnode.plugin.Plugin;
import org.jnode.plugin.PluginDescriptor;
import org.jnode.plugin.PluginException;
/**
* @author Ewout Prangsma (epr@users.sourceforge.net)
*/
public class DebuggerPlugin extends Plugin implements DeviceListener {
private final Debugger debugger = new Debugger();
/**
* @param descriptor
*/
public DebuggerPlugin(PluginDescriptor descriptor) {
super(descriptor);
}
/**
* @see org.jnode.plugin.Plugin#startPlugin()
*/
protected void startPlugin() throws PluginException {
try {
final DeviceManager dm = DeviceUtils.getDeviceManager();
dm.addListener(this);
final Collection<Device> devs = new ArrayList<Device>(dm.getDevices());
for (Device dev : devs) {
addListeners(dev);
}
} catch (NameNotFoundException ex) {
throw new PluginException(ex);
}
}
/**
* @see org.jnode.plugin.Plugin#stopPlugin()
*/
protected void stopPlugin() throws PluginException {
try {
final DeviceManager dm = DeviceUtils.getDeviceManager();
dm.removeListener(this);
final Collection<Device> devs = dm.getDevices();
for (Device dev : devs) {
removeListeners(dev);
}
} catch (NameNotFoundException ex) {
throw new PluginException(ex);
}
}
/**
* @see org.jnode.driver.DeviceListener#deviceStarted(org.jnode.driver.Device)
*/
public void deviceStarted(Device device) {
addListeners(device);
}
/**
* @see org.jnode.driver.DeviceListener#deviceStop(org.jnode.driver.Device)
*/
public void deviceStop(Device device) {
removeListeners(device);
}
private void addListeners(Device device) {
if (device.implementsAPI(SystemTriggerAPI.class)) {
try {
final SystemTriggerAPI api = device.getAPI(SystemTriggerAPI.class);
api.addSystemTriggerListener(debugger);
} catch (ApiNotFoundException ex) {
// Ignore
}
}
if (device.implementsAPI(KeyboardAPI.class)) {
try {
final KeyboardAPI api = device.getAPI(KeyboardAPI.class);
api.addKeyboardListener(debugger);
} catch (ApiNotFoundException ex) {
// Ignore
}
}
}
private void removeListeners(Device device) {
if (device.implementsAPI(SystemTriggerAPI.class)) {
try {
final SystemTriggerAPI api = device.getAPI(SystemTriggerAPI.class);
api.removeSystemTriggerListener(debugger);
} catch (ApiNotFoundException ex) {
// Ignore
}
}
if (device.implementsAPI(KeyboardAPI.class)) {
try {
final KeyboardAPI api = device.getAPI(KeyboardAPI.class);
api.removeKeyboardListener(debugger);
} catch (ApiNotFoundException ex) {
// Ignore
}
}
}
}