/*
* $Id$
*
* 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.apps.jpartition.commands;
import java.io.IOException;
import java.io.PrintWriter;
import org.jnode.apps.jpartition.Context;
import org.jnode.apps.jpartition.commands.framework.BaseCommand;
import org.jnode.apps.jpartition.commands.framework.CommandException;
import org.jnode.driver.ApiNotFoundException;
import org.jnode.driver.DeviceNotFoundException;
import org.jnode.driver.bus.ide.IDEDevice;
import org.jnode.partitions.command.PartitionHelper;
/**
* Abstract command that is working on a device.
* @author Fabien DUMINY (fduminy@jnode.org)
*
*/
public abstract class BaseDeviceCommand extends BaseCommand {
/**
* The device to use.
*/
protected final IDEDevice device;
/**
* Constructor.
* @param name The name of the command.
* @param device The device to use.
*/
public BaseDeviceCommand(String name, IDEDevice device) {
super(name);
if (device == null) {
throw new NullPointerException("device is null");
}
this.device = device;
}
protected final PartitionHelper createPartitionHelper(Context context) throws CommandException {
try {
return new PartitionHelper(device, new PrintWriter(context.getOut()));
} catch (DeviceNotFoundException e) {
throw new CommandException(e);
} catch (ApiNotFoundException e) {
throw new CommandException(e);
} catch (IOException e) {
throw new CommandException(e);
}
}
protected abstract void doExecute(Context context) throws CommandException;
/**
* {@inheritDoc}
*/
@Override
public String toString() {
return super.toString() + " - " + device.getId();
}
}