Examples with Disk se.light.assembly64.d64.db.Disk used on opensource projects

Example 1 with Disk

use of se.light.assembly64.d64.db.Disk in project assembly64fx by freabemania.

the class DiskImage method readImage.

/**
 * Load image from disk
 * @param filename file name of disk image
 * @param expectedFileSize if uncompressed image is smaller, then throw CbmException. If larger, print warning message.
 * @param type the type of image to load. Used for logging.
 * @throws CbmException
 */
protected void readImage(String filename, int expectedFileSize, String type) throws CbmException {
    feedbackMessage = new StringBuffer();
    FileInputStream input;
    int magic = 0;
    feedbackMessage.append("Trying to load " + type + " image ").append(filename).append("\n");
    this.cbmDisk = null;
    try {
        magic = getFileMagic(filename) & 0xffff;
    } catch (Exception e) {
        throw new CbmException("Failed to open header. " + e.getMessage());
    }
    if (magic == GZIPInputStream.GZIP_MAGIC) {
        feedbackMessage.append("GZIP compressed file detected.\n");
        readZippedFile(filename);
    } else {
        File file = new File(filename);
        if (file.isFile() == false) {
            throw new CbmException("File is not a regular file.");
        } else if (file.length() <= 0) {
            throw new CbmException("File is empty.");
        } else if (file.length() > Integer.MAX_VALUE) {
            throw new CbmException("File is too large.");
        } else if (file.length() < expectedFileSize) {
            throw new CbmException("File smaller than normal size. A " + type + " file should be " + expectedFileSize + " bytes.");
        } else if (file.length() > expectedFileSize) {
            feedbackMessage.append("Warning: File larger than normal size. A " + type + " file should be ").append(expectedFileSize).append(" bytes.\n");
        }
        try {
            input = new FileInputStream(filename);
        } catch (Exception e) {
            throw new CbmException("Failed to open file. " + e.getMessage());
        }
        try {
            this.cbmDisk = new byte[(int) file.length()];
            for (int i = 0; i < cbmDisk.length; i++) {
                cbmDisk[i] = 0;
            }
            input.read(cbmDisk);
        } catch (Exception e) {
            try {
                input.close();
            } catch (Exception e2) {
            }
            throw new CbmException("Failed to read file. " + e.getMessage());
        }
        try {
            input.close();
        } catch (Exception e) {
            throw new CbmException("Failed to close file. " + e.getMessage());
        }
    }
    feedbackMessage.append(type + " disk image was loaded.\n");
}

Example 2 with Disk

use of se.light.assembly64.d64.db.Disk in project assembly64fx by freabemania.

the class DiskImage method readPRG.

/**
 * Reads a PRG file from hard disk<BR>
 * globals written: feedbackMessage<BR>
 * @param filename the filename
 * @throws CbmException
 */
public byte[] readPRG(String filename) throws CbmException {
    feedbackMessage.append("readPRG: Trying to load program ").append(filename).append("... \n");
    File file = new File(filename);
    if (file.length() > MAX_PRG) {
        throw new CbmException(" File is too big for a PRG file (more than " + MAX_PRG + " bytes.");
    }
    if (!file.isFile()) {
        throw new CbmException("File is not a regular file.");
    }
    byte[] saveData = new byte[(int) file.length()];
    if (file.length() > 0) {
        // Only attempt to read if file has contents. No need to read empty files.
        FileInputStream input;
        try {
            input = new FileInputStream(filename);
        } catch (Exception e) {
            throw new CbmException("Failed to open file. " + e.getMessage());
        }
        try {
            input.read(saveData);
        } catch (Exception e) {
            try {
                input.close();
            } catch (Exception e2) {
            }
            throw new CbmException("Could not read filedata.");
        }
        try {
            input.close();
        } catch (Exception e) {
            throw new CbmException("Failed to close file. " + e.getMessage());
        }
    }
    feedbackMessage.append("File is ").append(saveData.length).append(" bytes.");
    return saveData;
}

Example 3 with Disk

use of se.light.assembly64.d64.db.Disk in project assembly64fx by freabemania.

the class DiskImage method getDisk.

/**
 * Get <code>Disk</code> instance of current image. This is used when saving to database.
 * @return Disk
 */
public Disk getDisk() {
    Disk disk = new Disk();
    disk.setLabel(getBam().getDiskName());
    disk.setImageType(imageFormat);
    disk.setErrors(errors);
    disk.setWarnings(warnings);
    for (int filenumber = 0; filenumber <= getFilenumberMax() - 1; filenumber++) {
        boolean isLocked = getCbmFile(filenumber).isFileLocked();
        boolean isClosed = getCbmFile(filenumber).isFileClosed();
        DiskFile file = new DiskFile();
        file.setName(getCbmFile(filenumber).getName());
        file.setSize(getCbmFile(filenumber).getSizeInBlocks());
        file.setFileType(getCbmFile(filenumber).getFileType());
        file.setFileNum(filenumber);
        file.setFlags((isLocked ? DiskFile.FLAG_LOCKED : 0) | (isClosed ? 0 : DiskFile.FLAG_NOT_CLOSED));
        disk.getFileList().add(file);
    }
    return disk;
}