// System-dependent portion of ProcessBuilder.start()
static Process start(
String cmdarray[],
java.util.Map<String, String> environment,
String dir,
ProcessBuilder.Redirect[] redirects,
boolean redirectErrorStream)
throws IOException {
String envblock = ProcessEnvironment.toEnvironmentBlock(environment);
FileInputStream f0 = null;
FileOutputStream f1 = null;
FileOutputStream f2 = null;
try {
long[] stdHandles;
if (redirects == null) {
stdHandles = new long[] {-1L, -1L, -1L};
} else {
stdHandles = new long[3];
if (redirects[0] == Redirect.PIPE) stdHandles[0] = -1L;
else if (redirects[0] == Redirect.INHERIT)
stdHandles[0] = fdAccess.getHandle(FileDescriptor.in);
else {
f0 = new FileInputStream(redirects[0].file());
stdHandles[0] = fdAccess.getHandle(f0.getFD());
}
if (redirects[1] == Redirect.PIPE) stdHandles[1] = -1L;
else if (redirects[1] == Redirect.INHERIT)
stdHandles[1] = fdAccess.getHandle(FileDescriptor.out);
else {
f1 = newFileOutputStream(redirects[1].file(), redirects[1].append());
stdHandles[1] = fdAccess.getHandle(f1.getFD());
}
if (redirects[2] == Redirect.PIPE) stdHandles[2] = -1L;
else if (redirects[2] == Redirect.INHERIT)
stdHandles[2] = fdAccess.getHandle(FileDescriptor.err);
else {
f2 = newFileOutputStream(redirects[2].file(), redirects[2].append());
stdHandles[2] = fdAccess.getHandle(f2.getFD());
}
}
return new ProcessImpl(cmdarray, envblock, dir, stdHandles, redirectErrorStream);
} finally {
// In theory, close() can throw IOException
// (although it is rather unlikely to happen here)
try {
if (f0 != null) f0.close();
} finally {
try {
if (f1 != null) f1.close();
} finally {
if (f2 != null) f2.close();
}
}
}
}
protected void add(Object value) {
File f = null;
FileOutputStream fos = null;
try {
f = createTempFile("S", dir);
fos = new FileOutputStream(f);
ObjectOutputStream fout = new ObjectOutputStream(new BufferedOutputStream(fos));
fout.writeObject(value);
fout.flush();
fos.getFD().sync();
} catch (Exception e) {
throw new SpaceError(e);
} finally {
if (fos != null) {
try {
fos.close();
} catch (Exception e) {
throw new SpaceError(e);
}
}
}
stored.add(f.getAbsolutePath());
/* fill cache */
if (cacheSize > data.size()) if ((data.size() + 1) == stored.size()) data.add(value);
}
/**
* {@inheritDoc}
*
* @see
* com.continuent.tungsten.common.file.FileIO#write(com.continuent.tungsten.common.file.FilePath,
* java.lang.String, java.lang.String, boolean)
*/
@Override
public void write(FilePath path, String value, String charset, boolean fsync)
throws FileIOException {
// Write the value and flush to storage. This overwrites any
// previous version.
FileOutputStream fos = null;
try {
fos = getOutputStream(path);
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(fos, charset));
bw.write(value);
bw.flush();
if (fsync) {
fos.getFD().sync();
}
} catch (IOException e) {
throw new FileIOException(
"Unable to write data to file: file="
+ path.toString()
+ " value="
+ safeSynopsis(value, 20),
e);
} finally {
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
}
}
}
}
private File downloadMemberPhoto(Host profileInfo, String targetFilePath) {
File targetFile = new File(targetFilePath);
if (targetFile.exists()) {
targetFile.delete();
}
HttpURLConnection c = null;
FileOutputStream fos = null;
BufferedOutputStream out = null;
try {
c = (HttpURLConnection) new URL(profileInfo.getProfilePictureLarge()).openConnection();
fos = new FileOutputStream(targetFilePath);
out = new BufferedOutputStream(fos);
InputStream in = c.getInputStream();
byte[] buffer = new byte[16384];
int len = 0;
while ((len = in.read(buffer)) > 0) {
fos.write(buffer, 0, len);
}
fos.flush();
} catch (Exception e) {
Log.i(TAG, "Error: " + e);
} finally {
try {
fos.getFD().sync();
out.close();
c.disconnect();
} catch (Exception e) {
// Don't worry about these?
}
}
return targetFile;
}
public static void witeObjectToFile(Object object, File file) {
ObjectOutputStream objectOut = null;
FileOutputStream fileOut = null;
try {
if (!file.exists()) {
file.createNewFile();
}
fileOut = new FileOutputStream(file, false);
objectOut = new ObjectOutputStream(fileOut);
objectOut.writeObject(object);
fileOut.getFD().sync();
} catch (IOException e) {
e.printStackTrace();
} catch (NullPointerException e) {
e.printStackTrace();
} finally {
if (objectOut != null) {
try {
objectOut.close();
} catch (IOException e) {
// do nowt
}
}
if (fileOut != null) {
try {
fileOut.close();
} catch (IOException e) {
// do nowt
}
}
}
}
public void saveCache(
JMXInstrumentedCache<K, V> cache, File savedCachePath, Function<K, byte[]> converter)
throws IOException {
long start = System.currentTimeMillis();
String msgSuffix = " " + savedCachePath.getName() + " for " + cfname + " of " + ksname;
logger.debug("saving" + msgSuffix);
int count = 0;
File tmpFile =
File.createTempFile(savedCachePath.getName(), null, savedCachePath.getParentFile());
FileOutputStream fout = new FileOutputStream(tmpFile);
ObjectOutputStream out = new ObjectOutputStream(new BufferedOutputStream(fout));
FileDescriptor fd = fout.getFD();
for (K key : cache.getKeySet()) {
byte[] bytes = converter.apply(key);
out.writeInt(bytes.length);
out.write(bytes);
++count;
}
out.flush();
fd.sync();
out.close();
if (!tmpFile.renameTo(savedCachePath))
throw new IOException("Unable to rename cache to " + savedCachePath);
if (logger.isDebugEnabled())
logger.debug(
"saved "
+ count
+ " keys in "
+ (System.currentTimeMillis() - start)
+ " ms from"
+ msgSuffix);
}
private static void unzip(File src, File dest) throws IOException {
InputStream is = new FileInputStream(src);
ZipInputStream zis = new ZipInputStream(new BufferedInputStream(is));
ZipEntry ze;
dest.mkdirs();
while ((ze = zis.getNextEntry()) != null) {
byte[] buffer = new byte[16384];
int count;
FileOutputStream fos = new FileOutputStream(new File(dest, ze.getName()));
BufferedOutputStream out = new BufferedOutputStream(fos);
try {
while ((count = zis.read(buffer)) != -1) {
out.write(buffer, 0, count);
}
out.flush();
} finally {
fos.getFD().sync();
out.close();
}
zis.closeEntry();
}
zis.close();
}
/** Copy data from a source stream to destFile. Return true if succeed, return false if failed. */
public static boolean copyToFile(InputStream inputStream, File destFile) {
try {
if (destFile.exists()) {
destFile.delete();
}
FileOutputStream out = new FileOutputStream(destFile);
try {
byte[] buffer = new byte[4096];
int bytesRead;
while ((bytesRead = inputStream.read(buffer)) >= 0) {
out.write(buffer, 0, bytesRead);
}
} finally {
out.flush();
try {
out.getFD().sync();
} catch (IOException e) {
}
out.close();
}
return true;
} catch (IOException e) {
return false;
}
}
private File download(String url) throws MalformedURLException, IOException {
File output = new File(getFilesDir(), UPDATE_FILENAME);
if (output.exists()) {
output.delete();
}
HttpURLConnection c = (HttpURLConnection) new URL(url).openConnection();
FileOutputStream fos = new FileOutputStream(output.getPath());
BufferedOutputStream out = new BufferedOutputStream(fos);
try {
InputStream in = c.getInputStream();
byte[] buffer = new byte[16384];
int len = 0;
while ((len = in.read(buffer)) > 0) {
out.write(buffer, 0, len);
}
out.flush();
} finally {
fos.getFD().sync();
out.close();
c.disconnect();
}
return (output);
}
private synchronized void saveProperties(final Properties nifiProps, final Logger logger)
throws IOException {
final File statusFile = getStatusFile(logger);
if (statusFile.exists() && !statusFile.delete()) {
logger.warn("Failed to delete {}", statusFile);
}
if (!statusFile.createNewFile()) {
throw new IOException("Failed to create file " + statusFile);
}
try {
final Set<PosixFilePermission> perms = new HashSet<>();
perms.add(PosixFilePermission.OWNER_READ);
perms.add(PosixFilePermission.OWNER_WRITE);
Files.setPosixFilePermissions(statusFile.toPath(), perms);
} catch (final Exception e) {
logger.warn(
"Failed to set permissions so that only the owner can read status file {}; "
+ "this may allows others to have access to the key needed to communicate with NiFi. "
+ "Permissions should be changed so that only the owner can read this file",
statusFile);
}
try (final FileOutputStream fos = new FileOutputStream(statusFile)) {
nifiProps.store(fos, null);
fos.getFD().sync();
}
logger.debug("Saved Properties {} to {}", new Object[] {nifiProps, statusFile});
}
public static void convertTableSaveFile(
char delimiter, Integer[] partitions, final File outfile, final File infile)
throws FileNotFoundException, IOException, InterruptedException, SyncFailedException {
final FileOutputStream fos = new FileOutputStream(outfile, true);
try {
final CSVTableSaveFile converter = new CSVTableSaveFile(infile, delimiter, partitions);
try {
while (true) {
final byte bytes[] = converter.read();
if (bytes.length == 0) {
break;
}
fos.write(bytes);
}
} finally {
try {
converter.close();
} finally {
fos.getFD().sync();
}
}
} finally {
fos.close();
}
}
private static boolean sync(FileOutputStream paramFileOutputStream) {
if (paramFileOutputStream != null) {}
try {
paramFileOutputStream.getFD().sync();
return true;
} catch (IOException paramFileOutputStream) {
}
return false;
}
/**
* Write the file content to the target file.
*
* @param content The file content.
* @param target The file to write to.
*/
public static void writeContentTo(String content, File target) {
try (FileOutputStream fos = new FileOutputStream(target);
BufferedOutputStream out = new BufferedOutputStream(fos)) {
out.write(content.getBytes(UTF_8));
out.flush();
fos.getFD().sync();
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
/**
* Perform an fsync on the given FileOutputStream. The stream at this point must be flushed but
* not yet closed.
*/
public static boolean sync(FileOutputStream stream) {
try {
if (stream != null) {
stream.getFD().sync();
}
return true;
} catch (IOException e) {
}
return false;
}
public static void createJarFileEntries(File jarFile, LinkedHashMap entries) throws Exception {
JarOutputStream jarStream = null;
FileOutputStream fileStream = null;
if (jarFile != null) {
logger.debug("Creating jar file " + jarFile.getAbsolutePath());
try {
fileStream = new FileOutputStream(jarFile);
jarStream = new JarOutputStream(fileStream);
if (entries != null && !entries.isEmpty()) {
Iterator iter = entries.keySet().iterator();
while (iter.hasNext()) {
String jarFilePath = (String) iter.next();
Object content = entries.get(jarFilePath);
JarEntry entry = new JarEntry(jarFilePath);
jarStream.putNextEntry(entry);
logger.debug("Adding jar entry " + jarFilePath + " to " + jarFile.getAbsolutePath());
if (content instanceof String) {
writeJarEntry(jarStream, ((String) content).getBytes());
} else if (content instanceof byte[]) {
writeJarEntry(jarStream, (byte[]) content);
} else if (content instanceof File) {
writeJarEntry(jarStream, (File) content);
}
}
}
jarStream.flush();
fileStream.getFD().sync();
} catch (Exception jarCreationFailure) {
throw jarCreationFailure;
} finally {
if (jarStream != null) {
try {
jarStream.close();
} catch (Exception jarNotClosed) {
logger.debug(jarNotClosed);
}
}
if (fileStream != null) {
try {
fileStream.close();
} catch (Exception fileNotClosed) {
logger.debug(fileNotClosed);
}
}
}
}
}
/**
* Perform an fsync on the given FileOutputStream. The stream at this point must be flushed but
* not yet closed.
*/
private static boolean sync(FileOutputStream stream) {
//noinspection EmptyCatchBlock
try {
if (stream != null) {
stream.getFD().sync();
}
return true;
} catch (IOException e) {
}
return false;
}
int truncate(FileDescriptor fd, long size) throws IOException {
if (append) {
// HACK in append mode we're not allowed to truncate, so we try to reopen the file and truncate that
try (FileOutputStream fos = new FileOutputStream(((FileStream)fd.getStream()).get_Name())) {
fos.getFD().setLength(size);
}
} else {
fd.setLength(size);
}
return 0;
}
public static void main(String[] args) throws IOException {
RandomAccessFile raf = new RandomAccessFile("classes/test/FileDescriptors.java", "r");
testDescriptorValidity(raf, raf.getFD());
FileInputStream fs1 = new FileInputStream("classes/test/FileDescriptors.java");
testDescriptorValidity(fs1, fs1.getFD());
File temp = File.createTempFile("Doppio-FileDescriptorsTest", ".txt");
FileOutputStream fs2 = new FileOutputStream(temp);
testDescriptorValidity(fs2, fs2.getFD());
temp.delete(); // we don't support deleteOnExit either
}
@Override
protected void onHandleIntent(Intent intent) {
Uri imageUri = intent.getData();
String imageFileName = imageUri.getLastPathSegment();
String imageURL = imageUri.toString();
String fileLocation;
try {
// Create a File directory
File dir =
Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_DCIM + "/SampleIntentService");
// Make the directories if needed
dir.mkdirs();
// Create the image file
File imageFile = new File(dir, imageFileName);
// Delete the image file if already exists
if (imageFile.exists()) {
imageFile.delete();
}
// Convert URL from String to URL object
URL url = new URL(imageURL);
HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
FileOutputStream fileOutputStream = new FileOutputStream(imageFile.getPath());
BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(fileOutputStream);
try {
InputStream inputStream = httpURLConnection.getInputStream();
byte[] buffer = new byte[1024];
int length = 0;
while ((length = inputStream.read(buffer)) >= 0) {
bufferedOutputStream.write(buffer, 0, length);
}
bufferedOutputStream.flush();
} finally {
fileOutputStream.getFD().sync();
bufferedOutputStream.close();
fileLocation = imageFile.getAbsolutePath();
httpURLConnection.disconnect();
}
notifyDownloadFinished(fileLocation);
} catch (IOException e) {
Log.e(LOG_TAG, "Error in downloading image file", e);
}
}
/**
* Prepares the recorder to begin capturing and encoding data. This method must be called after
* setting up the desired audio and video sources, encoders, file format, etc., but before
* start().
*
* @throws IllegalStateException if it is called after start() or before setOutputFormat().
* @throws IOException if prepare fails otherwise.
*/
public void prepare() throws IllegalStateException, IOException {
if (mPath != null) {
FileOutputStream fos = new FileOutputStream(mPath);
try {
_setOutputFile(fos.getFD(), 0, 0);
} finally {
fos.close();
}
} else if (mFd != null) {
_setOutputFile(mFd, 0, 0);
} else {
throw new IOException("No valid output file");
}
_prepare();
}
private void save(FileOutputStream os) throws IOException {
// write the version number
os.write(KEYRING_FILE_VERSION);
CipherOutputStream cos = new CipherOutputStream(os, password);
ObjectOutputStream oos = new ObjectOutputStream(cos);
// write the data
try {
oos.writeObject(authorizationInfo);
oos.writeObject(protectionSpace);
os.flush();
os.getFD().sync();
} finally {
oos.close();
}
}
/**
* @param context Context required to write the object
* @param object The object to write
* @param filename the filename to write to
* @throws IOException
*/
public static void witeObjectToFile(Context context, Object object, String filename)
throws IOException {
ObjectOutputStream objectOut = null;
try {
// create output stream
FileOutputStream fileOut = context.openFileOutput(filename, Activity.MODE_PRIVATE);
objectOut = new ObjectOutputStream(fileOut);
// write the object
objectOut.writeObject(object);
fileOut.getFD().sync();
} finally {
if (objectOut != null) objectOut.close();
}
}
private void writeMessage(FileOutputStream stream, String message, boolean forceTimestamp) {
try {
if (forceTimestamp || includeTimestampForMessages) {
writeTimeStamp(stream);
}
stream.write(message.getBytes(CharsetSupport.getCharset()));
stream.write('\n');
stream.flush();
if (syncAfterWrite) {
stream.getFD().sync();
}
} catch (IOException e) {
// QFJ-459: no point trying to log the error in the file if we had an IOException
// we will end up with a java.lang.StackOverflowError
System.err.println("error writing message to log : " + message);
e.printStackTrace(System.err);
}
}
// save / read file
public static void writeToFile(Context ctx, String[] list) {
FileOutputStream stream = null;
try {
/* you should declare private and final FILENAME_CITY */
stream =
new FileOutputStream(
new File(Environment.getExternalStorageDirectory().getPath() + "/LvivRoutes.txt"));
ObjectOutputStream dout = new ObjectOutputStream(stream);
dout.writeObject(list);
dout.flush();
stream.getFD().sync();
stream.close();
} catch (IOException e) {
}
}
@Override
public void onHandleIntent(Intent i) {
try {
File root = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
root.mkdirs();
File output = new File(root, i.getData().getLastPathSegment());
if (output.exists()) {
output.delete();
}
URL url = new URL(i.getData().toString());
HttpURLConnection c = (HttpURLConnection) url.openConnection();
c.setRequestMethod("GET");
c.setReadTimeout(15000);
c.connect();
FileOutputStream fos = new FileOutputStream(output.getPath());
BufferedOutputStream out = new BufferedOutputStream(fos);
try {
InputStream in = c.getInputStream();
byte[] buffer = new byte[8192];
int len = 0;
while ((len = in.read(buffer)) > 0) {
out.write(buffer, 0, len);
}
out.flush();
} finally {
fos.getFD().sync();
out.close();
}
sendBroadcast(new Intent(ACTION_COMPLETE));
} catch (IOException e2) {
Log.e(getClass().getName(), "Exception in download", e2);
}
}
/** Write a byte[] array to file */
private void writeToFile(byte[] data, String filePath) {
Log.i(TAG, "Write data " + (new String(data)));
// Write byte[] to file
try {
FileOutputStream out = new FileOutputStream(filePath);
Log.i(TAG, "Flush & syn");
out.write(data);
out.flush();
out.getFD().sync();
out.close();
Log.i(TAG, "Close stream");
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* Copy a resource to the target directory. The resource file retains it's name.
*
* @param resource The resource path.
* @param dir Target directory.
*/
public static void copyResourceTo(String resource, File dir) {
if (!dir.exists()) {
fail("Trying to copy resource " + resource + " to non-existing directory: " + dir);
}
if (dir.isFile()) {
fail("Trying to copy resource " + resource + " to file: " + dir + ", directory required");
}
int i = resource.lastIndexOf('/');
File file = new File(dir, resource.substring(i + 1));
try (FileOutputStream fos = new FileOutputStream(file);
BufferedOutputStream out = new BufferedOutputStream(fos);
InputStream in = getResourceAsStream(resource)) {
IOUtils.copy(in, out);
out.flush();
fos.getFD().sync();
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private void writeFile(TimerImpl timer) {
final File file = fileName(timer.getTimedObjectId(), timer.getId());
// if the timer is expired or cancelled delete the file
if (timer.getState() == TimerState.CANCELED || timer.getState() == TimerState.EXPIRED) {
if (file.exists()) {
file.delete();
}
return;
}
final TimerEntity entity;
if (timer instanceof CalendarTimer) {
entity = new CalendarTimerEntity((CalendarTimer) timer);
} else {
entity = new TimerEntity(timer);
}
FileOutputStream fileOutputStream = null;
try {
fileOutputStream = new FileOutputStream(file, false);
final Marshaller marshaller = factory.createMarshaller(configuration);
marshaller.start(new OutputStreamByteOutput(fileOutputStream));
marshaller.writeObject(entity);
marshaller.finish();
fileOutputStream.flush();
fileOutputStream.getFD().sync();
} catch (FileNotFoundException e) {
throw new RuntimeException(e);
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
if (fileOutputStream != null) {
try {
fileOutputStream.close();
} catch (IOException e) {
ROOT_LOGGER.failToCloseFile(e);
}
}
}
}
private void closeCurrentOutputStream() throws IOException {
if (outputStream == null) {
return;
}
boolean success = false;
try {
outputStream.flush();
outputStream.getFD().sync();
success = true;
} finally {
Util.closeQuietly(outputStream);
if (success) {
cache.commitFile(file);
} else {
file.delete();
}
outputStream = null;
file = null;
}
}
public long open(String path, String mode) throws IOException {
if (!("r".equals(mode) || "w".equals(mode) || "rw".equals(mode))) {
throw new IllegalArgumentException();
}
try {
FileDescriptor fileFD;
File file;
if (mode.equals("w")) {
FileOutputStream f = new FileOutputStream(path);
fileFD = f.getFD();
file = new OutputStreamFile(f, kem);
} else {
RandomAccessFile f = new RandomAccessFile(fileUtil.resolveWorkingDirectory(path), mode);
fileFD = f.getFD();
file = new RandomAccessFileFile(f);
}
long fd = fdCounter++;
descriptors.put(fd, fileFD);
files.put(fileFD, file);
return fd;
} catch (FileNotFoundException e) {
try {
processFileNotFoundException(e);
} catch (IOException ioe) {
if (ioe.getMessage().equals("EISDIR") && mode.equals("r")) {
// man 2 open says you can open a directory in readonly mode with open, but
// java has no support for it. So we throw an UnsupportedOperationException
// instead of failing with EISDIR
kem.registerInternalWarning(
"Unsupported file system behavior: tried to open a directory."
+ " If you are interested in this behavior, please file an issue on github.");
throw new UnsupportedOperationException();
}
throw ioe;
}
throw e; // unreachable
}
}
