forked from Apple-2-Tools/jace
129 lines
5.0 KiB
Java
129 lines
5.0 KiB
Java
/*
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* Copyright (C) 2012 Brendan Robert (BLuRry) brendan.robert@gmail.com.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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package jace;
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import jace.hardware.FloppyDisk;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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/**
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* Generic disk conversion utility, using the FloppyDisk nibblize/denibblize to
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* convert between DSK and NIB formats (wherever possible anyway)
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*
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* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
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*/
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public class ConvertDiskImage {
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public static void main(String... args) {
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if (args.length != 2) {
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showHelp();
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return;
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}
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File in = new File(args[0]);
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File out = new File(args[1]);
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if (!in.exists()) {
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showHelp();
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System.out.println("Cannot find input file: " + args[0]);
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return;
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}
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if (out.exists()) {
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showHelp();
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System.out.println("Output file already exists!: " + args[1]);
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return;
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}
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String ext = args[1].substring(args[1].length() - 3);
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boolean writeNibblized = false;
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boolean writeProdosOrdered = false;
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if (ext.equalsIgnoreCase("NIB")) {
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System.out.println("Preparing to write NIB image");
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writeNibblized = true;
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} else if (ext.equalsIgnoreCase(".DO") || ext.equalsIgnoreCase("DSK")) {
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System.out.println("Preparing to write DOS 3.3 ordered disk image");
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writeNibblized = false;
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writeProdosOrdered = false;
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} else if (ext.equalsIgnoreCase(".PO")) {
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System.out.println("Preparing to write Prodos ordered image");
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writeNibblized = false;
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writeProdosOrdered = true;
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} else {
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showHelp();
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System.out.println("Could not understand desired output format");
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return;
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}
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// First read in the disk image, this decodes the disk as necessary
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FloppyDisk theDisk = null;
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try {
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theDisk = new FloppyDisk(in);
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} catch (IOException ex) {
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System.out.println("Couldn't read disk image");
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ex.printStackTrace();
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return;
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}
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if (!writeNibblized) {
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// Now change the disk image to point to a new file and adjust the sector ordering
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System.out.println("Writing disk image with " + (writeProdosOrdered ? "prodos" : "dos 3.3") + " sector ordering");
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theDisk.diskPath = out;
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theDisk.isNibblizedImage = true;
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theDisk.currentSectorOrder = writeProdosOrdered ? FloppyDisk.PRODOS_SECTOR_ORDER : FloppyDisk.DOS_33_SECTOR_ORDER;
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theDisk.headerLength = 0;
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for (int i = 0; i < FloppyDisk.TRACK_COUNT; i++) {
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theDisk.updateTrack(i);
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}
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} else {
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FileOutputStream fos = null;
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System.out.println("Writing NIB image");
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try {
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fos = new FileOutputStream(out);
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fos.write(theDisk.nibbles);
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fos.close();
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} catch (IOException ex) {
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System.err.println("Error writing NIB image: " + ex.getMessage());
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ex.printStackTrace();
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} finally {
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try {
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fos.close();
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} catch (IOException ex) {
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System.err.println("Error closing NIB image: " + ex.getMessage());
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ex.printStackTrace();
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}
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}
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}
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System.out.println("Finished converting disk image.");
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}
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private static void showHelp() {
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for (String s : new String[]{
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"ConvertDiskImage",
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"----------------",
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"Usage: java -cp jace.jar jace.ConvertDiskImage DISK_INPUT_NAME DISK_OUTPUT_NAME",
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"where DISK_INPUT_NAME is the path of a valid disk image, ",
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"and DISK_OUTPUT_NAME is the path where you want to ",
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"save the converted disk image.",
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"Supported input formats: ",
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" DSK (assumes DO), DO, PO, 2MG (140kb), NIB",
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"Supported output formats: ",
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" DO/DSK, PO, NIB"
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}) {
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System.out.println(s);
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}
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}
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}
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