public Vector<String> getPossibleCompletions(String path) {
Vector<String> result = new Vector<String>();
int index = Math.max(path.lastIndexOf('\\'), path.lastIndexOf('/'));
if (index != -1) {
String currentDirectoryName = path.substring(0, index + 1);
AbstractFile currentDirectory = FileFactory.getFile(currentDirectoryName);
if (currentDirectory != null && currentDirectory.exists()) {
long currentDirectoryDate = currentDirectory.getDate();
if (cachedDirectoryName == null
|| !cachedDirectoryName.equals(currentDirectoryName)
|| currentDirectoryDate != cachedDirectoryDate) {
AbstractFile[] currentDirectoryFiles;
try {
currentDirectoryFiles = getFiles(currentDirectory);
} catch (IOException e) {
LOGGER.debug("Caught exception", e);
return new Vector<String>();
}
int nbCurrentDirectoryFiles = currentDirectoryFiles.length;
cachedDirectoryFileNames = new String[nbCurrentDirectoryFiles];
for (int i = 0; i < nbCurrentDirectoryFiles; i++) {
AbstractFile abstractFileI = currentDirectoryFiles[i];
cachedDirectoryFileNames[i] =
abstractFileI.getName()
+ (abstractFileI.isDirectory() ? abstractFileI.getSeparator() : "");
}
Arrays.sort(cachedDirectoryFileNames, String.CASE_INSENSITIVE_ORDER);
cachedDirectoryName =
currentDirectory.getAbsolutePath()
+ (currentDirectory.isDirectory() ? "" : currentDirectory.getSeparator());
cachedDirectoryDate = currentDirectoryDate;
}
final String prefix =
index == path.length() - 1 ? null : path.substring(index + 1).toLowerCase();
result = PrefixFilter.createPrefixFilter(prefix).filter(cachedDirectoryFileNames);
}
}
return result;
}
/**
* Tries to find an existing user Trash folder and returns it. If no existing Trash folder was
* found, creates the standard Xfce user Trash folder and returns it.
*
* @return the user Trash folder, <code>null</code> if no user trash folder could be found or
* created
*/
private static AbstractFile getTrashFolder() {
AbstractFile userHome = LocalFile.getUserHome();
AbstractFile trashDir = userHome.getChildSilently(".local/share/Trash/");
if (isTrashFolder(trashDir)) {
return trashDir;
}
// No existing user trash was found: create the folder, only if it doesn't already exist.
if (!trashDir.exists()) {
try {
trashDir.mkdirs();
trashDir.getChild("info").mkdir();
trashDir.getChild("files").mkdir();
return trashDir;
} catch (IOException e) {
// Will return null
}
}
return null;
}
/**
* Copies recursively the given file or folder.
*
* @param file the file or folder to move
* @param recurseParams destination folder where the given file will be copied (null for top level
* files)
* @return <code>true</code> if the file has been copied.
*/
@Override
protected boolean processFile(AbstractFile file, Object recurseParams) {
// Stop if interrupted
if (getState() == INTERRUPTED) return false;
// Destination folder
AbstractFile destFolder = recurseParams == null ? baseDestFolder : (AbstractFile) recurseParams;
// Is current file in base folder ?
boolean isFileInBaseFolder = files.indexOf(file) != -1;
// Determine filename in destination
String destFileName;
if (isFileInBaseFolder && newName != null) destFileName = newName;
else destFileName = file.getName();
// Create destination AbstractFile instance
AbstractFile destFile = createDestinationFile(destFolder, destFileName);
if (destFile == null) return false;
currentDestFile = destFile;
// Do nothing if file is a symlink (skip file and return)
if (file.isSymlink()) return true;
destFile = checkForCollision(file, destFolder, destFile, false);
if (destFile == null) return false;
// Copy directory recursively
if (file.isDirectory()) {
// Create the folder in the destination folder if it doesn't exist
if (!(destFile.exists() && destFile.isDirectory())) {
// Loop for retry
do {
try {
destFile.mkdir();
} catch (IOException e) {
// Unable to create folder
int ret =
showErrorDialog(
errorDialogTitle, Translator.get("cannot_create_folder", destFileName));
// Retry loops
if (ret == RETRY_ACTION) continue;
// Cancel or close dialog return false
return false;
// Skip continues
}
break;
} while (true);
}
// and copy each file in this folder recursively
do { // Loop for retry
try {
// for each file in folder...
AbstractFile subFiles[] = file.ls();
// filesDiscovered(subFiles);
for (int i = 0; i < subFiles.length && getState() != INTERRUPTED; i++) {
// Notify job that we're starting to process this file (needed for recursive calls to
// processFile)
nextFile(subFiles[i]);
processFile(subFiles[i], destFile);
}
// Set currentDestFile back to the enclosing folder in case an overridden processFile
// method
// needs to work with the folder after calling super.processFile.
currentDestFile = destFile;
// 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) {
AppLogger.fine("failed to change the date of " + destFile, e);
// Fail silently
}
}
return true;
} 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;
}
} while (true);
}
// File is a regular file, copy it
else {
// Copy the file
return tryCopyFile(file, destFile, append, errorDialogTitle);
}
}
@Override
public boolean exists() {
return file.exists();
}
/**
* 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;
}
}