/** Make the backup. */
private void makeBackup() {
try {
// Only backup once per session
if (buffer.getProperty(Buffer.BACKED_UP) == null
|| jEdit.getBooleanProperty("backupEverySave")) {
if (jEdit.getIntegerProperty("backups", 1) > 0) vfs._backup(session, path, view);
buffer.setBooleanProperty(Buffer.BACKED_UP, true);
}
} catch (IOException ioe) {
// Backup failure shouldn't stop caller's activity, like
// saving a buffer, so catching the exception.
// Most backup failures are reported directly in _backup,
// with lesser severity.
// Only rare cases manifest with IOException, like #3574500
String[] pp = {ioe.getMessage()};
VFSManager.error(view, path, "ioerror.backup-failed", pp);
}
} // }}}
// {{{ run() method
public void run() {
/* if the VFS supports renaming files, we first
* save to #<filename>#save#, then rename that
* to <filename>, so that if the save fails,
* data will not be lost.
*
* as of 4.1pre7 we now call vfs.getTwoStageSaveName()
* instead of constructing the path directly
* since some VFS's might not allow # in filenames.
*/
boolean vfsRenameCap = (vfs.getCapabilities() & VFS.RENAME_CAP) != 0;
boolean wantTwoStage = wantTwoStageSave(buffer);
boolean twoStageSave = vfsRenameCap && wantTwoStage;
try {
String[] args = {vfs.getFileName(path)};
setStatus(jEdit.getProperty("vfs.status.save", args));
// the entire save operation can be aborted...
setAbortable(true);
path = vfs._canonPath(session, path, view);
if (!MiscUtilities.isURL(path)) path = MiscUtilities.resolveSymlinks(path);
String savePath;
if (twoStageSave) {
savePath = vfs.getTwoStageSaveName(path);
if (savePath == null) {
throw new IOException("Can't get a temporary path for two-stage save: " + path);
}
} else {
makeBackup();
savePath = path;
}
OutputStream out = vfs._createOutputStream(session, savePath, view);
if (out == null) {
buffer.setBooleanProperty(ERROR_OCCURRED, true);
return;
}
try {
// this must be after the stream is created or
// we deadlock with SSHTools.
buffer.readLock();
try {
// Can't use buffer.getName() here because
// it is not changed until the save is
// complete
if (path.endsWith(".gz")) buffer.setBooleanProperty(Buffer.GZIPPED, true);
else if (buffer.getName().endsWith(".gz")) {
// The path do not ends with gz.
// The buffer name was .gz.
// So it means it's blabla.txt.gz -> blabla.txt, I remove
// the gz property
buffer.setBooleanProperty(Buffer.GZIPPED, false);
}
if (buffer.getBooleanProperty(Buffer.GZIPPED)) out = new GZIPOutputStream(out);
write(buffer, out);
} finally {
buffer.readUnlock();
}
} finally {
IOUtilities.closeQuietly(out);
}
if (twoStageSave) {
makeBackup();
if (!vfs._rename(session, savePath, path, view))
throw new IOException("Rename failed: " + savePath);
}
if (!twoStageSave) VFSManager.sendVFSUpdate(vfs, path, true);
} catch (FileNotFoundException e) {
Log.log(Log.ERROR, this, "Unable to save buffer " + e);
String[] pp = {e.getMessage()};
VFSManager.error(view, path, "ioerror.write-error", pp);
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} catch (UnsupportedCharsetException e) {
Log.log(Log.ERROR, this, e, e);
String[] pp = {e.getCharsetName()};
VFSManager.error(view, path, "ioerror.unsupported-encoding-error", pp);
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} catch (Exception e) {
Log.log(Log.ERROR, this, e);
String[] pp = {e.toString()};
VFSManager.error(view, path, "ioerror.write-error", pp);
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} catch (WorkThread.Abort a) {
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} finally {
try {
vfs._saveComplete(session, buffer, path, view);
if (twoStageSave) {
vfs._finishTwoStageSave(session, buffer, path, view);
}
// clean up left-over markers file
if (!jEdit.getBooleanProperty("persistentMarkers"))
vfs._delete(session, Buffer.getMarkersPath(vfs, path), view);
vfs._endVFSSession(session, view);
} catch (Exception e) {
Log.log(Log.ERROR, this, e);
String[] pp = {e.toString()};
VFSManager.error(view, path, "ioerror.write-error", pp);
buffer.setBooleanProperty(ERROR_OCCURRED, true);
} catch (WorkThread.Abort a) {
buffer.setBooleanProperty(ERROR_OCCURRED, true);
}
}
} // }}}