Method main

src/main/java/jace/ConvertDiskImage.java:33–108

(String... args)

public class ConvertDiskImage {

    public static void main(String... args) {
        if (args.length != 2) {
            showHelp();
            return;
        }
        File in = new File(args[0]);
        File out = new File(args[1]);
        if (!in.exists()) {
            showHelp();
            System.out.println("Cannot find input file: " + args[0]);
            return;
        }
        if (out.exists()) {
            showHelp();
            System.out.println("Output file already exists!: " + args[1]);
            return;
        }
        String ext = args[1].substring(args[1].length() - 3);
        boolean writeNibblized;
        boolean writeProdosOrdered = false;
        if (ext.equalsIgnoreCase("NIB")) {
            System.out.println("Preparing to write NIB image");
            writeNibblized = true;
        } else if (ext.equalsIgnoreCase(".DO") || ext.equalsIgnoreCase("DSK")) {
            System.out.println("Preparing to write DOS 3.3 ordered disk image");
            writeNibblized = false;
            writeProdosOrdered = false;
        } else if (ext.equalsIgnoreCase(".PO")) {
            System.out.println("Preparing to write Prodos ordered image");
            writeNibblized = false;
            writeProdosOrdered = true;
        } else {
            showHelp();
            System.out.println("Could not understand desired output format");
            return;
        }

        // First read in the disk image, this decodes the disk as necessary
        FloppyDisk theDisk;
        try {
            theDisk = new FloppyDisk(in);
        } catch (IOException ex) {
            System.out.println("Couldn't read disk image");
            return;
        }
        if (!writeNibblized) {
            // Now change the disk image to point to a new file and adjust the sector ordering        
            System.out.println("Writing disk image with " + (writeProdosOrdered ? "prodos" : "dos 3.3") + " sector ordering");
            theDisk.diskPath = out;
            theDisk.isNibblizedImage = true;
            theDisk.currentSectorOrder = writeProdosOrdered ? FloppyDisk.PRODOS_SECTOR_ORDER : FloppyDisk.DOS_33_SECTOR_ORDER;
            theDisk.headerLength = 0;
            for (int i = 0; i < FloppyDisk.TRACK_COUNT; i++) {
                theDisk.updateTrack(i);
            }
        } else {
            FileOutputStream fos = null;
            System.out.println("Writing NIB image");