/*
* $Id$
*
* Copyright (C) 2003-2015 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.fat;
public enum FatType {
FAT12(0xFFF, 1.5f), FAT16(0xFFFF, 2.0f), FAT32(0xFFFFFFFF, 4.0f);
private final long minReservedEntry;
private final long maxReservedEntry;
private final long eofCluster;
private final long eofMarker;
private final float entrySize;
private FatType(long bitMask, float entrySize) {
this.minReservedEntry = (0xFFFFFFF0 & bitMask);
this.maxReservedEntry = (0xFFFFFFF6 & bitMask);
this.eofCluster = (0xFFFFFFF8 & bitMask);
this.eofMarker = (0xFFFFFFFF & bitMask);
this.entrySize = entrySize;
}
public final boolean isReservedCluster(long entry) {
return ((entry >= minReservedEntry) && (entry <= maxReservedEntry));
}
public final boolean isEofCluster(long entry) {
return (entry >= eofCluster);
}
public final long getEofMarker() {
return eofMarker;
}
public final float getEntrySize() {
return entrySize;
}
}