public int getNoOfBlocks() {
int noOfBlocks = (int) getFileSize() / Settings.getBlockSize();
if (getFileSize() % Settings.getBlockSize() != 0) {
noOfBlocks++;
}
return noOfBlocks;
}
public File getDownloadTargetFile() throws FileNotFoundException, IOException {
File file = new File(Settings.getSharedFolder() + getFileName() + Settings.getTmpExtension());
if (!file.exists() /* && getCompleteFile() == null TODO activate */) {
file.createNewFile();
RandomAccessFile randomAccessFile = new RandomAccessFile(file, "rw");
randomAccessFile.setLength(getFileSize());
randomAccessFile.close();
}
if (file.exists()) return file;
return null;
}
public String getRealFileName() {
if (getFileName().endsWith(Settings.getTmpExtension())) {
return getFileNameWithoutExtension();
} else {
return getFileName();
}
}
public String getRouterCommand() {
ArrayList<String> commandArgs = new ArrayList<String>();
commandArgs.add(getRealFileName());
commandArgs.add("" + getFileSize());
commandArgs.add("" + getNoOfBlocks());
File statusFile;
try {
statusFile = getDownloadStatusFile();
if (statusFile == null) return "";
RandomAccessFile randomAccesStatus = new RandomAccessFile(statusFile, "r");
byte[] content = new byte[(int) randomAccesStatus.length()];
randomAccesStatus.readFully(content, 0, content.length);
randomAccesStatus.close();
String stringContent = new String(content);
commandArgs.add(stringContent);
String command = ""; // Settings.getListStartSign();
for (String s : commandArgs) {
command += s + Settings.getSplitChar();
}
command = command.substring(0, command.length() - 1); // strip last
// split
// char
command += ""; // Settings.getListStopSign();
return command;
} catch (IOException e) {
e.printStackTrace();
}
return "";
}
public File getDownloadStatusFile() throws IOException {
String fileName = Settings.getInfoFolder() + getFileName() + Settings.getInfoExtension();
File file = new File(fileName);
if (!file.exists() /* && getCompleteFile() == null TODO activate */) {
file.createNewFile();
RandomAccessFile randomAccessFile = new RandomAccessFile(file, "rw");
for (int i = 1; i <= getNoOfBlocks(); i++) {
randomAccessFile.write((byte) '0');
}
randomAccessFile.close();
}
if (file.exists()) return file;
return null;
}
public void completeDownload() throws FileNotFoundException, IOException {
if (Settings.DEBUG) {
System.out.println("complete download of " + getRealFileName());
}
getDownloadStatusFile().delete();
File newFileName = new File(Settings.getSharedFolder() + getRealFileName());
// delete if new file already exists
if (newFileName.exists()) {
if (Settings.DEBUG) {
System.out.println("Going to delete downloaded file because target already exsists");
}
getDownloadTargetFile().delete();
}
getDownloadTargetFile().renameTo(newFileName);
DownloadController.removeDownload(this);
}
public File getCompleteFile() {
File file = new File(Settings.getSharedFolder() + getFileName());
if (file.exists()) return file;
return null;
}
public int getRestSize() {
return (int) (getFileSize() % Settings.getBlockSize());
}