public static void generate_preview_for_torrent(TOTorrent created, File file)
throws TOTorrentException {
logger.finer("generating preview..2.");
try {
File largestFile = null;
long largest = 0;
for (TOTorrentFile f : created.getFiles()) {
if (f == null) {
continue;
}
if (InOrderType.getType(f.getRelativePath()) == null) {
continue;
}
if (f.getLength() > largest) {
largest = f.getLength();
if (file.isDirectory() == false) {
largestFile = new File(file.getParent(), f.getRelativePath());
} else {
largestFile = new File(file, f.getRelativePath());
}
}
}
if (largestFile != null) {
logger.finer("largest is: " + largestFile.getAbsolutePath());
}
try {
FFMpegAsyncOperationManager.getInstance()
.getPreviewImage(created.getHash(), largestFile, 10, TimeUnit.SECONDS);
} catch (TorrentException e) {
// this should never happen...
e.printStackTrace();
} catch (DataNotAvailableException e) {
logger.finest("unable to create preview for file: " + largest);
}
} catch (NullPointerException e) {
logger.warning("Preview generation null pointer: " + e.toString());
e.printStackTrace();
}
}
private void reserveAccess(String reason) throws FMFileManagerException {
if (clone) {
return;
}
try {
file_map_mon.enter();
// System.out.println( "FMFile::reserveAccess:" + canonical_path + "("+ owner.getName() + ")"
// + " [" + (access_mode==FM_WRITE?"write":"read") + "]" + " - " +
// Debug.getCompressedStackTrace());
List owners = (List) file_map.get(canonical_path);
Object[] my_entry = null;
if (owners == null) {
Debug.out("reserveAccess fail");
throw (new FMFileManagerException(
"File '"
+ canonical_path
+ "' has not been reserved (no entries), '"
+ owner.getName()
+ "'"));
}
for (Iterator it = owners.iterator(); it.hasNext(); ) {
Object[] entry = (Object[]) it.next();
String entry_name = ((FMFileOwner) entry[0]).getName();
// System.out.println( " existing entry: " + entry_name );
if (owner.getName().equals(entry_name)) {
my_entry = entry;
}
}
if (my_entry == null) {
Debug.out("reserveAccess fail");
throw (new FMFileManagerException(
"File '"
+ canonical_path
+ "' has not been reserved (not found), '"
+ owner.getName()
+ "'"));
}
my_entry[1] = new Boolean(access_mode == FM_WRITE);
my_entry[2] = reason;
int read_access = 0;
int write_access = 0;
int write_access_lax = 0;
TOTorrentFile my_torrent_file = owner.getTorrentFile();
StringBuilder users_sb = owners.size() == 1 ? null : new StringBuilder(128);
for (Iterator it = owners.iterator(); it.hasNext(); ) {
Object[] entry = (Object[]) it.next();
FMFileOwner this_owner = (FMFileOwner) entry[0];
if (((Boolean) entry[1]).booleanValue()) {
write_access++;
TOTorrentFile this_tf = this_owner.getTorrentFile();
if (my_torrent_file != null
&& this_tf != null
&& my_torrent_file.getLength() == this_tf.getLength()) {
write_access_lax++;
}
if (users_sb != null) {
if (users_sb.length() > 0) {
users_sb.append(",");
}
users_sb.append(this_owner.getName());
users_sb.append(" [write]");
}
} else {
read_access++;
if (users_sb != null) {
if (users_sb.length() > 0) {
users_sb.append(",");
}
users_sb.append(this_owner.getName());
users_sb.append(" [read]");
}
}
}
if (write_access > 1 || (write_access == 1 && read_access > 0)) {
// relax locking if strict is disabled and torrent file is same size
if (!COConfigurationManager.getBooleanParameter("File.strict.locking")) {
if (write_access_lax == write_access) {
return;
}
}
Debug.out("reserveAccess fail");
throw (new FMFileManagerException(
"File '"
+ canonical_path
+ "' is in use by '"
+ (users_sb == null ? "eh?" : users_sb.toString())
+ "'"));
}
} finally {
file_map_mon.exit();
}
}