/**
* Copy a file to another using VFS.
*
* @param progress the progress observer. It could be null if you don't want to monitor progress.
* If not null you should probably launch this command in a WorkThread
* @param sourceVFS the source VFS
* @param sourceSession the VFS session
* @param sourcePath the source path
* @param targetVFS the target VFS
* @param targetSession the target session
* @param targetPath the target path
* @param comp comp The component that will parent error dialog boxes
* @param canStop could this copy be stopped ?
* @return true if the copy was successful
* @throws IOException IOException If an I/O error occurs
* @since jEdit 4.3pre3
*/
public static boolean copy(
ProgressObserver progress,
VFS sourceVFS,
Object sourceSession,
String sourcePath,
VFS targetVFS,
Object targetSession,
String targetPath,
Component comp,
boolean canStop)
throws IOException {
if (progress != null) progress.setStatus("Initializing");
InputStream in = null;
OutputStream out = null;
try {
VFSFile sourceVFSFile = sourceVFS._getFile(sourceSession, sourcePath, comp);
if (sourceVFSFile == null) throw new FileNotFoundException(sourcePath);
if (progress != null) {
progress.setMaximum(sourceVFSFile.getLength());
}
VFSFile targetVFSFile = targetVFS._getFile(targetSession, targetPath, comp);
if (targetVFSFile.getType() == VFSFile.DIRECTORY) {
if (targetVFSFile.getPath().equals(sourceVFSFile.getPath())) return false;
targetPath = MiscUtilities.constructPath(targetPath, sourceVFSFile.getName());
}
in =
new BufferedInputStream(
sourceVFS._createInputStream(sourceSession, sourcePath, false, comp));
out =
new BufferedOutputStream(targetVFS._createOutputStream(targetSession, targetPath, comp));
boolean copyResult = IOUtilities.copyStream(IOBUFSIZE, progress, in, out, canStop);
VFSManager.sendVFSUpdate(targetVFS, targetPath, true);
return copyResult;
} finally {
IOUtilities.closeQuietly(in);
IOUtilities.closeQuietly(out);
}
}
/**
* Recursively encrypts or decrypts all files given to the method and all files in directories
* given to the method.
*
* @param relativePath The relative from the initial directory up to the current one, for
* encryption or decryption into another directory to be able to rebuild the directory
* structure
* @param files The files and directories to encrypt or decrypt
* @return Whether all encryption or decryption was fine
*/
@CheckReturnValue(explanation = "If false is returned, something went wrong")
private boolean cryptFiles(@NonNull String relativePath, @NonNull VFSFile... files) {
for (VFSFile file : files) {
VFS vfs = file.getVFS();
VFS newVfs = null;
String path = file.getPath();
Object session = vfs.createVFSSession(path, this);
Object sessionNew = null;
Object sessionNewParent = null;
InputStream in = null;
ByteArrayInputStream bais = null;
OutputStream out = null;
ByteArrayOutputStream baos = null;
try {
if (FILE == file.getType()) {
in = vfs._createInputStream(session, path, false, this);
baos = new ByteArrayOutputStream();
if (!IOUtilities.copyStream(null, in, baos, false)) {
GUIUtilities.error(
this,
encrypt
? "cipher.error.error-while-encrypting-file"
: "cipher.error.error-while-decrypting-file",
new Object[] {path});
continue;
}
baos.flush();
byte[] cryptResult;
synchronized (cipher) {
if (encrypt) {
cipher.setRawData(baos.toByteArray());
} else {
cipher.setEncryptedData(baos.toByteArray());
}
cipher.setEntropy(password);
cipher.setAdditionalInformation(additionalInformation);
if (encrypt) {
cryptResult = cipher.encryptToByteArray();
} else {
cryptResult = cipher.decryptToByteArray();
}
}
if (null == cryptResult) {
GUIUtilities.error(
this,
encrypt
? "cipher.error.error-while-encrypting-file"
: "cipher.error.error-while-decrypting-file",
new Object[] {path});
continue;
}
bais = new ByteArrayInputStream(cryptResult);
String newPath;
switch (newFileHandling) {
case OVERWRITE:
newPath = path;
newVfs = vfs;
break;
case OTHER_DIRECTORY:
if (0 < relativePath.length()) {
newPath = MiscUtilities.constructPath(directoryTextField.getText(), relativePath);
} else {
newPath = directoryTextField.getText();
}
newPath = MiscUtilities.constructPath(newPath, file.getName());
newVfs = VFSManager.getVFSForPath(newPath);
break;
case SUFFIX:
newPath = path + suffixTextField.getText();
newVfs = vfs;
break;
default:
throw new InternalError(
"missing case branch for NewFileHandling: " + newFileHandling);
}
String newPathParent = MiscUtilities.getParentOfPath(newPath);
sessionNewParent = newVfs.createVFSSession(newPathParent, this);
newVfs._mkdir(sessionNewParent, newPathParent, this);
sessionNew = newVfs.createVFSSession(newPath, this);
out = newVfs._createOutputStream(sessionNew, newPath, this);
if (!IOUtilities.copyStream(null, bais, out, false)) {
GUIUtilities.error(
this,
encrypt
? "cipher.error.error-while-encrypting-file"
: "cipher.error.error-while-decrypting-file",
new Object[] {path});
continue;
}
VFSManager.sendVFSUpdate(newVfs, newPath, true);
} else {
String newRelativePath;
if (0 < relativePath.length()) {
newRelativePath = MiscUtilities.concatPath(relativePath, file.getName());
} else {
newRelativePath = file.getName();
}
if (!cryptFiles(newRelativePath, vfs._listFiles(session, path, this))) {
return false;
}
}
} catch (IOException ioe) {
Log.log(ERROR, this, ioe);
new TextAreaDialog(
this,
encrypt
? "cipher.error.error-while-encrypting-files"
: "cipher.error.error-while-decrypting-files",
ioe);
return false;
} finally {
try {
vfs._endVFSSession(session, this);
} catch (IOException ioe) {
// just ignore it, we are not interested
}
try {
if (null != newVfs) {
newVfs._endVFSSession(sessionNew, this);
}
} catch (IOException ioe) {
// just ignore it, we are not interested
}
try {
if (null != newVfs) {
newVfs._endVFSSession(sessionNewParent, this);
}
} catch (IOException ioe) {
// just ignore it, we are not interested
}
try {
if (null != out) {
out.flush();
}
} catch (IOException ioe) {
// just ignore it, we are not interested
}
IOUtilities.closeQuietly(in);
IOUtilities.closeQuietly(bais);
IOUtilities.closeQuietly(out);
IOUtilities.closeQuietly(baos);
}
}
return true;
}