/**
* Moves recursively the given file or folder.
*
* @param file the file or folder to move
* @param recurseParams destination folder where the given file will be moved (null for top level
* files)
* @return <code>true</code> if the file has been moved completly (copied + deleted).
*/
@Override
protected boolean processFile(AbstractFile file, Object recurseParams) {
// Stop if interrupted
if (getState() == State.INTERRUPTED) return false;
// Destination folder
AbstractFile destFolder = recurseParams == null ? baseDestFolder : (AbstractFile) recurseParams;
// Is current file at the base folder level ?
boolean isFileInBaseFolder = files.contains(file);
// Determine filename in destination
String originalName = file.getName();
String destFileName = isFileInBaseFolder && newName != null ? newName : originalName;
// create destination AbstractFile instance
AbstractFile destFile = createDestinationFile(destFolder, destFileName);
if (destFile == null) return false;
// Do not follow symlink, simply delete it and return
if (file.isSymlink()) {
do { // Loop for retry
try {
file.delete();
return true;
} catch (IOException e) {
LOGGER.debug("IOException caught", e);
int ret =
showErrorDialog(
errorDialogTitle, Translator.get("cannot_delete_file", file.getAbsolutePath()));
// Retry loops
if (ret == RETRY_ACTION) {
continue;
}
// Cancel, skip or close dialog returns false
return false;
}
} while (true);
}
destFile = checkForCollision(file, destFolder, destFile, renameMode);
if (destFile == null) return false;
// Let's try to rename the file using AbstractFile#renameTo() whenever possible, as it is more
// efficient
// than moving the file manually.
//
// Do not attempt to rename the file in the following cases:
// - destination has to be appended
// - file schemes do not match (at the time of writing, no filesystem supports mixed scheme
// renaming)
// - if the 'rename' operation is not supported
// Note: we want to avoid calling AbstractFile#renameTo when we know it will fail, as it
// performs some costly
// I/O bound checks and ends up throwing an exception which also comes at a cost.
if (!append
&& file.getURL().schemeEquals(destFile.getURL())
&& file.isFileOperationSupported(FileOperation.RENAME)) {
try {
file.renameTo(destFile);
return true;
} catch (IOException e) {
// Fail silently: renameTo might fail under normal conditions, for instance for local files
// which are
// not located on the same volume.
LOGGER.debug(
"Failed to rename " + file + " into " + destFile + " (not necessarily an error)", e);
}
}
// Rename couldn't be used or didn't succeed: move the file manually
// Move the directory and all its children recursively, by copying files to the destination and
// then deleting them.
if (file.isDirectory()) {
// create the destination folder if it doesn't exist
if (!(destFile.exists() && destFile.isDirectory())) {
do { // Loop for retry
try {
destFile.mkdir();
} catch (IOException e) {
int ret =
showErrorDialog(
errorDialogTitle,
Translator.get("cannot_create_folder", destFile.getAbsolutePath()));
// Retry loops
if (ret == RETRY_ACTION) {
continue;
}
// Cancel, skip or close dialog returns false
return false;
}
break;
} while (true);
}
// move each file in this folder recursively
do { // Loop for retry
try {
AbstractFile subFiles[] = file.ls();
boolean isFolderEmpty = true;
for (AbstractFile subFile : subFiles) {
// Return now if the job was interrupted, so that we do not attempt to delete this
// folder
if (getState() == State.INTERRUPTED) return false;
// Notify job that we're starting to process this file (needed for recursive calls to
// processFile)
nextFile(subFile);
if (!processFile(subFile, destFile)) isFolderEmpty = false;
}
// Only when finished with folder, set destination folder's date to match the original
// folder one
if (destFile.isFileOperationSupported(FileOperation.CHANGE_DATE)) {
try {
destFile.changeDate(file.getDate());
} catch (IOException e) {
LOGGER.debug("failed to change the date of " + destFile, e);
// Fail silently
}
}
// If one file failed to be moved, return false (failure) since this folder could not be
// moved totally
if (!isFolderEmpty) return false;
} catch (IOException e) {
// file.ls() failed
int ret =
showErrorDialog(
errorDialogTitle, Translator.get("cannot_read_folder", file.getName()));
// Retry loops
if (ret == RETRY_ACTION) continue;
// Cancel, skip or close dialog returns false
return false;
}
break;
} while (true);
// Return now if the job was interrupted, so that we do not attempt to delete this folder
if (getState() == State.INTERRUPTED) return false;
// finally, delete the empty folder
do { // Loop for retry
try {
file.delete();
return true;
} catch (IOException e) {
int ret =
showErrorDialog(
errorDialogTitle, Translator.get("cannot_delete_folder", file.getAbsolutePath()));
// Retry loops
if (ret == RETRY_ACTION) continue;
// Cancel, skip or close dialog returns false
return false;
}
} while (true);
}
// File is a regular file, move it by copying it to the destination and then deleting it
else {
// if renameTo() was not supported or failed, or if it wasn't possible because of 'append',
// try the hard way by copying the file first, and then deleting the source file.
if (tryCopyFile(file, destFile, append, errorDialogTitle)
&& getState() != State.INTERRUPTED) {
// Delete the source file
do { // Loop for retry
try {
file.delete();
// All OK
return true;
} catch (IOException e) {
LOGGER.debug("IOException caught", e);
int ret =
showErrorDialog(
errorDialogTitle, Translator.get("cannot_delete_file", file.getAbsolutePath()));
// Retry loops
if (ret == RETRY_ACTION) continue;
// Cancel, skip or close dialog returns false
return false;
}
} while (true);
}
return false;
}
}
@Override
public void delete() throws IOException {
file.delete();
}
/**
* Implementation of {@link com.mucommander.desktop.QueuedTrash} moveToTrash method.
*
* <p>Try to copy a collection of files to the Xfce's Trash.
*
* @param queuedFiles Collection of files to the trash
* @return <code>true</code> if movement has been successful or <code>false</code> otherwise
*/
@Override
protected boolean moveToTrash(List<AbstractFile> queuedFiles) {
boolean retVal =
true; // overall return value (if everything went OK or at least one file wasn't moved
// properly
for (AbstractFile fileToDelete : queuedFiles) {
String fileInfoContent;
String trashFileName;
// generate content of info file and new filename
try {
fileInfoContent = getFileInfoContent(fileToDelete);
trashFileName = getUniqueFilename(fileToDelete);
} catch (IOException ex) {
LOGGER.debug("Failed to create filename for new trash item: " + fileToDelete.getName(), ex);
// continue with other file (do not move file, because info file cannot be properly created
continue;
}
AbstractFile infoFile = null;
OutputStreamWriter infoWriter = null;
try {
// create info file
infoFile = TRASH_INFO_SUBFOLDER.getChild(trashFileName + ".trashinfo");
infoWriter = new OutputStreamWriter(infoFile.getOutputStream());
infoWriter.write(fileInfoContent);
} catch (IOException ex) {
retVal = false;
LOGGER.debug("Failed to create trash info file: " + trashFileName, ex);
// continue with other file (do not move file, because info file wasn't properly created)
continue;
} finally {
if (infoWriter != null) {
try {
infoWriter.close();
} catch (IOException e) {
// Not much else to do
}
}
}
try {
// rename original file
fileToDelete.renameTo(TRASH_FILES_SUBFOLDER.getChild(trashFileName));
} catch (IOException ex) {
try {
// remove info file
infoFile.delete();
} catch (IOException ex1) {
// simply ignore
}
retVal = false;
LOGGER.debug("Failed to move file to trash: " + trashFileName, ex);
}
}
return retVal;
}
