Package org.jnode.fs.jfat.command

Source Code of org.jnode.fs.jfat.command.FatFormatCommand

/*
* $Id$
*
* Copyright (C) 2003-2013 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.fs.jfat.command;

import java.util.HashMap;
import java.util.Map;

import org.jnode.fs.command.AbstractFormatCommand;
import org.jnode.fs.jfat.ClusterSize;
import org.jnode.fs.jfat.FatFileSystem;
import org.jnode.fs.jfat.FatFileSystemFormatter;
import org.jnode.shell.syntax.Argument;
import org.jnode.shell.syntax.MappedArgument;

/**
* This command formats a FAT32 file system.
*
* @author Tango
* @author crawley@jnode.org
*/
public class FatFormatCommand extends AbstractFormatCommand<FatFileSystem> {
   
    private static class ClusterSizeArgument extends MappedArgument<ClusterSize> {
        private static final Map<String, ClusterSize> MAP = new HashMap<String, ClusterSize>();
        static {
            MAP.put("1k", ClusterSize._1Kb);
            MAP.put("2k", ClusterSize._2Kb);
            MAP.put("4k", ClusterSize._4Kb);
            MAP.put("8k", ClusterSize._8Kb);
            MAP.put("16k", ClusterSize._16Kb);
            MAP.put("32k", ClusterSize._32Kb);
            // FIXME - should we enable this?
            // MAP.put("64k", ClusterSize._64Kb);
        }
        public ClusterSizeArgument() {
            super("clusterSize", Argument.OPTIONAL, new ClusterSize[0],
                    MAP, true, "cluster size for FAT32 filesystem (default 4k)");
        }

        @Override
        protected String argumentKind() {
            return "cluster size";
        }
    }

    private final ClusterSizeArgument ARG_CLUSTER_SIZE = new ClusterSizeArgument();
   
    public FatFormatCommand() {
        super("Format a FAT32 file system");
        registerArguments(ARG_CLUSTER_SIZE);
    }

    public static void main(String[] args) throws Exception {
        new FatFormatCommand().execute(args);
    }
   
    protected FatFileSystemFormatter getFormatter() {
        ClusterSize clusterSize = ARG_CLUSTER_SIZE.isSet() ?
                ARG_CLUSTER_SIZE.getValue() : ClusterSize._4Kb;
        return new FatFileSystemFormatter(clusterSize);
    }
}


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