private void checkStatus(String fileName, FileStatus fileStatus, Identifier overlayId) {
File dataFile, hashFile;
String fileNoExt;
try {
fileNoExt = LibraryUtil.removeExtension(fileName);
} catch (IllegalArgumentException ex) {
LOG.error("bad file name:{}", fileName);
throw ex;
}
switch (fileStatus) {
case NONE:
break;
case DOWNLOADING:
// TODO hash check - continue
// for the moment we delete and start anew
dataFile = new File(libPath + File.separator + fileName);
dataFile.delete();
hashFile = new File(libPath + File.separator + fileNoExt + ".hash");
hashFile.delete();
fileMap.remove(fileName);
break;
case UPLOADING:
hashFile = new File(libPath + File.separator + fileNoExt + ".hash");
if (hashFile.exists()) {
fileMap.put(fileName, Pair.with(fileStatus, overlayId));
} else {
LOG.warn("no hash:{} file for uploading file:{}", hashFile, fileNoExt);
}
break;
default:
LOG.error(
"logic error - introduced new FileStatus:"
+ fileStatus.toString()
+ " and did not add it to the checkStatusFile");
throw new RuntimeException(
"logic error - introduced new FileStatus:"
+ fileStatus.toString()
+ " and did not add it to the checkStatusFile");
}
}
private void readStatusFile() {
FileReader fr = null;
BufferedReader br = null;
try {
fr = new FileReader(libPath + File.separator + STATUS_FILE);
br = new BufferedReader(fr);
String line;
while ((line = br.readLine()) != null) {
StringTokenizer st = new StringTokenizer(line, ":");
String fileName = st.nextToken();
FileStatus fileStatus = FileStatus.valueOf(st.nextToken());
Identifier overlayId = null;
if (st.hasMoreElements()) {
overlayId = new IntIdentifier(Integer.parseInt(st.nextToken()));
}
checkStatus(fileName, fileStatus, overlayId);
}
} catch (FileNotFoundException ex) {
LOG.error("could not find status check file - should not get here");
throw new RuntimeException("could not find status check file - should not get here", ex);
} catch (IOException ex) {
LOG.error("IO problem on read status check file");
throw new RuntimeException("IO problem on read status check file", ex);
} catch (IllegalArgumentException ex) {
LOG.error("bad file status");
throw new RuntimeException("bad file status", ex);
} catch (NoSuchElementException ex) {
LOG.error("bad status format");
throw new RuntimeException("bad status format", ex);
} finally {
try {
if (br != null) {
br.close();
} else if (fr != null) {
fr.close();
}
} catch (IOException ex) {
LOG.error("error closing status file - read");
throw new RuntimeException("error closing status file - read", ex);
}
}
}