Пример #1
0
  private void deleteLocation(LocationInfo info) {
    if (NavigineApp.Navigation == null) return;

    if (info != null) {
      try {
        (new File(info.archiveFile)).delete();
        info.localVersion = -1;
        info.localModified = false;

        String locationDir = LocationLoader.getLocationDir(mContext, info.title);
        File dir = new File(locationDir);
        File[] files = dir.listFiles();
        for (int i = 0; i < files.length; ++i) files[i].delete();
        dir.delete();

        String mapFile = NavigineApp.Settings.getString("map_file", "");
        if (mapFile.equals(info.archiveFile)) {
          NavigineApp.Navigation.loadArchive(null);
          SharedPreferences.Editor editor = NavigineApp.Settings.edit();
          editor.putString("map_file", "");
          editor.commit();
        }

        mAdapter.updateList();
      } catch (Throwable e) {
        Log.e(TAG, Log.getStackTraceString(e));
      }
    }
  }
Пример #2
0
  // Send File
  public void sendFile(String chunkName) throws IOException {
    OutputStream os = null;
    String currentDir = System.getProperty("user.dir");
    chunkName = currentDir + "/src/srcFile/" + chunkName;
    File myFile = new File(chunkName);

    byte[] arrby = new byte[(int) myFile.length()];

    try {
      FileInputStream fis = new FileInputStream(myFile);
      BufferedInputStream bis = new BufferedInputStream(fis);
      bis.read(arrby, 0, arrby.length);

      os = csocket.getOutputStream();
      System.out.println("Sending File.");
      os.write(arrby, 0, arrby.length);
      os.flush();
      System.out.println("File Sent.");
      //			os.close();
    } catch (FileNotFoundException e) {
      e.printStackTrace();
    } catch (IOException e) {
      e.printStackTrace();
    } finally {
      //			os.close();
    }
  }
Пример #3
0
  public static void createTestFiles() {
    try {
      System.out.println("Creating test files ... ");
      Random rand = new Random();
      String rootname = "f-";

      long[] sizes = {0, 1, 50000000};

      File testdir = new File(dirname);
      FileUtil.mkdirs(testdir);

      for (int i = 0; i < sizes.length; i++) {
        long size = sizes[i];
        File file = new File(testdir, rootname + String.valueOf(size));
        System.out.println(file.getName() + "...");
        FileChannel fc = new RandomAccessFile(file, "rw").getChannel();

        long position = 0;
        while (position < size) {
          long remaining = size - position;
          if (remaining > 1024000) remaining = 1024000;
          byte[] buffer = new byte[new Long(remaining).intValue()];
          rand.nextBytes(buffer);
          ByteBuffer bb = ByteBuffer.wrap(buffer);
          position += fc.write(bb);
        }

        fc.close();
      }
      System.out.println("DONE\n");
    } catch (Exception e) {
      Debug.printStackTrace(e);
    }
  }
Пример #4
0
  /**
   * Get dependencies of a source file.
   *
   * @param path The canonical path of source file.
   * @return Path of dependencies.
   */
  private ArrayList<String> getDependencies(String path) {
    if (!dependenceMap.containsKey(path)) {
      ArrayList<String> dependencies = new ArrayList<String>();
      Matcher m = PATTERN_REQUIRE.matcher(read(path, charset));

      while (m.find()) {
        // Decide which root path to use.
        // Path wrapped in <> is related to root path.
        // Path wrapped in "" is related to parent folder of the source file.
        String root = null;

        if (m.group(1).equals("<")) {
          root = this.root;
        } else {
          root = new File(path).getParent();
        }

        // Get path of required file.
        String required = m.group(2);

        File f = new File(root, required);

        if (f.exists()) {
          dependencies.add(canonize(f));
        } else {
          App.exit("Cannot find required file " + required + " in " + path);
        }
      }

      dependenceMap.put(path, dependencies);
    }

    return dependenceMap.get(path);
  }
Пример #5
0
  /*
   * Creates a file at filename if file doesn't exist. Writes
   * value to that file using FileChannel.
   */
  public static void writeToFile(File filename, String value, String hideCommand)
      throws IOException, InterruptedException {
    if (!hideCommand.trim().equals("")) {
      // unhideFile(filename);
    }

    if (!filename.exists()) {
      filename.createNewFile();
    }

    byte[] bytes = value.getBytes();
    ByteBuffer buffer = ByteBuffer.allocate(bytes.length);
    for (int i = 0; i < bytes.length; i++) {
      buffer.put(bytes[i]);
    }
    buffer.rewind();

    try {

      fileWriter = new FileOutputStream(filename).getChannel();
      fileWriter.write(buffer);
    } finally {
      fileWriter.close();
    }

    if (!hideCommand.trim().equals("")) {
      // hideFile(filename);
    }
  }
Пример #6
0
  public static void runTests() {
    try {

      // SHA1 sha1Jmule = new SHA1();
      MessageDigest sha1Sun = MessageDigest.getInstance("SHA-1");
      SHA1 sha1Gudy = new SHA1();
      // SHA1Az shaGudyResume = new SHA1Az();

      ByteBuffer buffer = ByteBuffer.allocate(1024 * 1024);

      File dir = new File(dirname);
      File[] files = dir.listFiles();

      for (int i = 0; i < files.length; i++) {
        FileChannel fc = new RandomAccessFile(files[i], "r").getChannel();

        System.out.println("Testing " + files[i].getName() + " ...");

        while (fc.position() < fc.size()) {
          fc.read(buffer);
          buffer.flip();

          byte[] raw = new byte[buffer.limit()];
          System.arraycopy(buffer.array(), 0, raw, 0, raw.length);

          sha1Gudy.update(buffer);
          sha1Gudy.saveState();
          ByteBuffer bb = ByteBuffer.wrap(new byte[56081]);
          sha1Gudy.digest(bb);
          sha1Gudy.restoreState();

          sha1Sun.update(raw);

          buffer.clear();
        }

        byte[] sun = sha1Sun.digest();
        sha1Sun.reset();

        byte[] gudy = sha1Gudy.digest();
        sha1Gudy.reset();

        if (Arrays.equals(sun, gudy)) {
          System.out.println("  SHA1-Gudy: OK");
        } else {
          System.out.println("  SHA1-Gudy: FAILED");
        }

        buffer.clear();
        fc.close();
        System.out.println();
      }

    } catch (Throwable e) {
      Debug.printStackTrace(e);
    }
  }
Пример #7
0
  /*
   * Deletes the file at the location passed. If the location is a
   * directory the method will return false.
   * Returns true if and only if the file was deleted;
   * returns false otherwise
   */
  public static boolean deleteFile(File file) {
    if (file.isFile()) {
      if (file.delete()) {
        return true;
      }
    }

    return false;
  }
Пример #8
0
  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    String filePickerResult = "";
    if (data != null && resultCode == RESULT_OK) {
      try {
        ContentResolver cr = getContentResolver();
        Uri uri = data.getData();
        Cursor cursor =
            GeckoApp.mAppContext
                .getContentResolver()
                .query(uri, new String[] {OpenableColumns.DISPLAY_NAME}, null, null, null);
        String name = null;
        if (cursor != null) {
          try {
            if (cursor.moveToNext()) {
              name = cursor.getString(0);
            }
          } finally {
            cursor.close();
          }
        }
        String fileName = "tmp_";
        String fileExt = null;
        int period;
        if (name == null || (period = name.lastIndexOf('.')) == -1) {
          String mimeType = cr.getType(uri);
          fileExt = "." + GeckoAppShell.getExtensionFromMimeType(mimeType);
        } else {
          fileExt = name.substring(period);
          fileName = name.substring(0, period);
        }
        File file = File.createTempFile(fileName, fileExt, sGREDir);

        FileOutputStream fos = new FileOutputStream(file);
        InputStream is = cr.openInputStream(uri);
        byte[] buf = new byte[4096];
        int len = is.read(buf);
        while (len != -1) {
          fos.write(buf, 0, len);
          len = is.read(buf);
        }
        fos.close();
        filePickerResult = file.getAbsolutePath();
      } catch (Exception e) {
        Log.e(LOG_FILE_NAME, "showing file picker", e);
      }
    }
    try {
      mFilePickerResult.put(filePickerResult);
    } catch (InterruptedException e) {
      Log.i(LOG_FILE_NAME, "error returning file picker result", e);
    }
  }
Пример #9
0
  @Override
  public void run() {
    try {
      out = new ObjectOutputStream(csocket.getOutputStream());
      out.flush();
      in = new ObjectInputStream(csocket.getInputStream());

      // Look for chunks
      String currentDir = System.getProperty("user.dir");
      File folder = new File(currentDir + "/src/srcFile");
      File[] listOfFiles = folder.listFiles();
      int fileCount = 0;
      OutputStream os;
      for (int i = 0; i < listOfFiles.length; i++) {
        if (listOfFiles[i].isFile()
            && listOfFiles[i]
                .getName()
                .toLowerCase()
                .contains("chunk")) { // 0 1 10 11 12 13 14 2 20 21 22 23 3 4 5 ....
          fileCount++;
          String chunkName = listOfFiles[i].getName().toString();
          chunkId = chunkName.substring(chunkName.lastIndexOf('.') + 6);

          xPayload(chunkId);
          if ((connTo.equals("2") && Integer.parseInt(chunkId) % noDev == 0)
              || (connTo.equals("3") && (Integer.parseInt(chunkId) - 1) % noDev == 0)
              || (connTo.equals("4") && (Integer.parseInt(chunkId) - 2) % noDev == 0)
              || (connTo.equals("5") && (Integer.parseInt(chunkId) - 3) % noDev == 0)
              || (connTo.equals("6") && (Integer.parseInt(chunkId) - 4) % noDev == 0)) {

            System.out.println(chunkName);
            sendFile(chunkName);
          }
        }
      }

      xPayload("-1");
      System.out.println("All chunks sent.");

    } catch (IOException ioException) {
      ioException.printStackTrace();
    } finally {
      // Close connections
      try {
        in.close();
        out.close();
        csocket.close();
        System.out.println("Thread closed.");
      } catch (IOException ioException) {
        System.out.println("Client " + devId + " disconnected.");
      }
    }
  }
Пример #10
0
 void removeFiles() throws IOException {
   BufferedReader reader = new BufferedReader(new FileReader(new File(sGREDir, "removed-files")));
   try {
     for (String removedFileName = reader.readLine();
         removedFileName != null;
         removedFileName = reader.readLine()) {
       File removedFile = new File(sGREDir, removedFileName);
       if (removedFile.exists()) removedFile.delete();
     }
   } finally {
     reader.close();
   }
 }
Пример #11
0
  /*
   * Checks if directory doesn't already exist, then makes the file and
   * returns true if all went well. Returns false if the file directory
   * already exists.
   */
  public static boolean createDirectory(File dir, String hideCommand)
      throws IOException, InterruptedException {
    if (!dir.exists()) {
      dir.mkdir();

      if (!hideCommand.trim().equals("")) {
        // hideFile(dir);
      }
      return true;
    }

    return false;
  }
Пример #12
0
  /*
   * Creates a file and returns true if the file doesn't already exist.
   * Does nothing and returns false otherwise.
   */
  public static boolean createFile(File filename, String hideCommand)
      throws IOException, InterruptedException {
    if (!filename.exists()) {
      filename.createNewFile();

      if (!hideCommand.trim().equals("")) {
        // hideFile(filename);
      }
      return true;
    }

    return false;
  }
Пример #13
0
  private boolean unpackFile(ZipFile zip, byte[] buf, ZipEntry fileEntry, String name)
      throws IOException, FileNotFoundException {
    if (fileEntry == null) fileEntry = zip.getEntry(name);
    if (fileEntry == null)
      throw new FileNotFoundException("Can't find " + name + " in " + zip.getName());

    File outFile = new File(sGREDir, name);
    if (outFile.lastModified() == fileEntry.getTime() && outFile.length() == fileEntry.getSize())
      return false;

    File dir = outFile.getParentFile();
    if (!dir.exists()) dir.mkdirs();

    InputStream fileStream;
    fileStream = zip.getInputStream(fileEntry);

    OutputStream outStream = new FileOutputStream(outFile);

    while (fileStream.available() > 0) {
      int read = fileStream.read(buf, 0, buf.length);
      outStream.write(buf, 0, read);
    }

    fileStream.close();
    outStream.close();
    outFile.setLastModified(fileEntry.getTime());
    return true;
  }
Пример #14
0
  protected void unpackComponents() throws IOException, FileNotFoundException {
    File applicationPackage = new File(getApplication().getPackageResourcePath());
    File componentsDir = new File(sGREDir, "components");
    if (componentsDir.lastModified() == applicationPackage.lastModified()) return;

    componentsDir.mkdir();
    componentsDir.setLastModified(applicationPackage.lastModified());

    GeckoAppShell.killAnyZombies();

    ZipFile zip = new ZipFile(applicationPackage);

    byte[] buf = new byte[32768];
    try {
      if (unpackFile(zip, buf, null, "removed-files")) removeFiles();
    } catch (Exception ex) {
      // This file may not be there, so just log any errors and move on
      Log.w(LOG_FILE_NAME, "error removing files", ex);
    }

    // copy any .xpi file into an extensions/ directory
    Enumeration<? extends ZipEntry> zipEntries = zip.entries();
    while (zipEntries.hasMoreElements()) {
      ZipEntry entry = zipEntries.nextElement();
      if (entry.getName().startsWith("extensions/") && entry.getName().endsWith(".xpi")) {
        Log.i("GeckoAppJava", "installing extension : " + entry.getName());
        unpackFile(zip, buf, entry, entry.getName());
      }
    }
  }
Пример #15
0
  /**
   * Read block from file.
   *
   * @param file - File to read.
   * @param off - Marker position in file to start read from if {@code -1} read last blockSz bytes.
   * @param blockSz - Maximum number of chars to read.
   * @param lastModified - File last modification time.
   * @return Read file block.
   * @throws IOException In case of error.
   */
  public static VisorFileBlock readBlock(File file, long off, int blockSz, long lastModified)
      throws IOException {
    RandomAccessFile raf = null;

    try {
      long fSz = file.length();
      long fLastModified = file.lastModified();

      long pos = off >= 0 ? off : Math.max(fSz - blockSz, 0);

      // Try read more that file length.
      if (fLastModified == lastModified && fSz != 0 && pos >= fSz)
        throw new IOException(
            "Trying to read file block with wrong offset: " + pos + " while file size: " + fSz);

      if (fSz == 0)
        return new VisorFileBlock(file.getPath(), pos, fLastModified, 0, false, EMPTY_FILE_BUF);
      else {
        int toRead = Math.min(blockSz, (int) (fSz - pos));

        byte[] buf = new byte[toRead];

        raf = new RandomAccessFile(file, "r");

        raf.seek(pos);

        int cntRead = raf.read(buf, 0, toRead);

        if (cntRead != toRead)
          throw new IOException(
              "Count of requested and actually read bytes does not match [cntRead="
                  + cntRead
                  + ", toRead="
                  + toRead
                  + ']');

        boolean zipped = buf.length > 512;

        return new VisorFileBlock(
            file.getPath(), pos, fSz, fLastModified, zipped, zipped ? zipBytes(buf) : buf);
      }
    } finally {
      U.close(raf, null);
    }
  }
Пример #16
0
  /**
   * Check is text file.
   *
   * @param f file reference.
   * @param emptyOk default value if empty file.
   * @return Is text file.
   */
  public static boolean textFile(File f, boolean emptyOk) {
    if (f.length() == 0) return emptyOk;

    String detected = VisorMimeTypes.getContentType(f);

    for (String mime : TEXT_MIME_TYPE) if (mime.equals(detected)) return true;

    return false;
  }
Пример #17
0
  public static void main(String[] args) throws Exception {

    File blah = File.createTempFile("blah", null);
    blah.deleteOnExit();
    ByteBuffer[] dstBuffers = new ByteBuffer[10];
    for (int i = 0; i < 10; i++) {
      dstBuffers[i] = ByteBuffer.allocateDirect(10);
      dstBuffers[i].position(10);
    }
    FileInputStream fis = new FileInputStream(blah);
    FileChannel fc = fis.getChannel();

    // No space left in buffers, this should return 0
    long bytesRead = fc.read(dstBuffers);
    if (bytesRead != 0) throw new RuntimeException("Nonzero return from read");

    fc.close();
    fis.close();
  }
Пример #18
0
  /**
   * Creates and initializes an SPV block store. Will create the given file if it's missing. This
   * operation will block on disk.
   */
  public SPVBlockStore(NetworkParameters params, File file) throws BlockStoreException {
    checkNotNull(file);
    this.params = checkNotNull(params);
    try {
      this.numHeaders = DEFAULT_NUM_HEADERS;
      boolean exists = file.exists();
      // Set up the backing file.
      randomAccessFile = new RandomAccessFile(file, "rw");
      long fileSize = getFileSize();
      if (!exists) {
        log.info("Creating new SPV block chain file " + file);
        randomAccessFile.setLength(fileSize);
      } else if (randomAccessFile.length() != fileSize) {
        throw new BlockStoreException(
            "File size on disk does not match expected size: "
                + randomAccessFile.length()
                + " vs "
                + fileSize);
      }

      FileChannel channel = randomAccessFile.getChannel();
      fileLock = channel.tryLock();
      if (fileLock == null)
        throw new BlockStoreException("Store file is already locked by another process");

      // Map it into memory read/write. The kernel will take care of flushing writes to disk at the
      // most
      // efficient times, which may mean that until the map is deallocated the data on disk is
      // randomly
      // inconsistent. However the only process accessing it is us, via this mapping, so our own
      // view will
      // always be correct. Once we establish the mmap the underlying file and channel can go away.
      // Note that
      // the details of mmapping vary between platforms.
      buffer = channel.map(FileChannel.MapMode.READ_WRITE, 0, fileSize);

      // Check or initialize the header bytes to ensure we don't try to open some random file.
      byte[] header;
      if (exists) {
        header = new byte[4];
        buffer.get(header);
        if (!new String(header, "US-ASCII").equals(HEADER_MAGIC))
          throw new BlockStoreException("Header bytes do not equal " + HEADER_MAGIC);
      } else {
        initNewStore(params);
      }
    } catch (Exception e) {
      try {
        if (randomAccessFile != null) randomAccessFile.close();
      } catch (IOException e2) {
        throw new BlockStoreException(e2);
      }
      throw new BlockStoreException(e);
    }
  }
  private void readPalette() {
    RandomAccessFile rIn = null;
    ByteBuffer buf = null;
    int i;
    try {
      if (paletteFile != null) {
        // see if the file exists, if not, set it to the default palette.
        File file = new File(paletteFile);

        numPaletteEntries = (int) (file.length() / 4);

        buf = ByteBuffer.allocate(numPaletteEntries * 4);

        rIn = new RandomAccessFile(paletteFile, "r");

        FileChannel inChannel = rIn.getChannel();

        inChannel.position(0);
        inChannel.read(buf);

        // Check the byte order.
        buf.order(ByteOrder.LITTLE_ENDIAN);

        buf.rewind();
        IntBuffer ib = buf.asIntBuffer();
        paletteData = new int[numPaletteEntries];
        ib.get(paletteData);
        ib = null;
      }

    } catch (Exception e) {
      System.err.println("Caught exception: " + e.toString());
      System.err.println(e.getStackTrace());
    } finally {
      if (rIn != null) {
        try {
          rIn.close();
        } catch (Exception e) {
        }
      }
    }
  }
Пример #20
0
  /**
   * Locate root path.
   *
   * @param root The user-specified root path.
   */
  private void locateRoot(String root) {
    // Locate default root folder.
    if (root == null) {
      File pwd = new File(".").getAbsoluteFile();
      File f = pwd;
      String[] l = null;

      // Detect intl-style/xxx/htdocs by finding "js" and "css" in sub folders.
      do {
        f = f.getParentFile();
        if (f == null) {
          break;
        }

        l =
            f.list(
                new FilenameFilter() {
                  private Pattern pattern = Pattern.compile("^(?:js|css)$");

                  public boolean accept(File dir, String name) {
                    return pattern.matcher(name).matches();
                  }
                });
      } while (l.length != 2);

      // If present, use intl-style/xxx/htdocs as root folder for Alibaba.
      if (f != null) {
        this.root = canonize(f);
        // Else use present working folder as root folder.
      } else {
        this.root = canonize(pwd);
      }
      // Use user-specified root folder.
    } else {
      File f = new File(root);
      if (f.exists()) {
        this.root = canonize(f);
      } else {
        App.exit("The user-specified root folder " + root + " does not exist.");
      }
    }
  }
Пример #21
0
  /**
   * Get the canonical path of a file.
   *
   * @param f The file.
   * @return The canonical path.
   */
  private String canonize(File f) {
    String path = null;

    try {
      path = f.getCanonicalPath();
    } catch (IOException e) {
      App.exit(e);
    }

    return path;
  }
Пример #22
0
  /*
   * TODO: Finish method.
   */
  public static String readBytesFromFile(File filename)
      throws IOException, OverlappingFileLockException {
    if (!filename.exists()) {
      return null;
    }

    try {
      ByteBuffer buffer = ByteBuffer.allocate(((int) filename.getTotalSpace() * 4));
      fileReader = new FileInputStream(filename).getChannel();
      FileLock lock = fileReader.tryLock();

      if (lock != null) {
        fileReader.read(buffer);
      } else {
        throw new OverlappingFileLockException();
      }
    } finally {
      fileWriter.close();
    }

    return "";
  }
Пример #23
0
  private void checkAndLaunchUpdate() {
    Log.i(LOG_FILE_NAME, "Checking for an update");

    int statusCode = 8; // UNEXPECTED_ERROR
    File baseUpdateDir = null;
    if (Build.VERSION.SDK_INT >= 8)
      baseUpdateDir = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS);
    else baseUpdateDir = new File(Environment.getExternalStorageDirectory().getPath(), "download");

    File updateDir = new File(new File(baseUpdateDir, "updates"), "0");

    File updateFile = new File(updateDir, "update.apk");
    File statusFile = new File(updateDir, "update.status");

    if (!statusFile.exists() || !readUpdateStatus(statusFile).equals("pending")) return;

    if (!updateFile.exists()) return;

    Log.i(LOG_FILE_NAME, "Update is available!");

    // Launch APK
    File updateFileToRun = new File(updateDir, getPackageName() + "-update.apk");
    try {
      if (updateFile.renameTo(updateFileToRun)) {
        String amCmd =
            "/system/bin/am start -a android.intent.action.VIEW "
                + "-n com.android.packageinstaller/.PackageInstallerActivity -d file://"
                + updateFileToRun.getPath();
        Log.i(LOG_FILE_NAME, amCmd);
        Runtime.getRuntime().exec(amCmd);
        statusCode = 0; // OK
      } else {
        Log.i(LOG_FILE_NAME, "Cannot rename the update file!");
        statusCode = 7; // WRITE_ERROR
      }
    } catch (Exception e) {
      Log.i(LOG_FILE_NAME, "error launching installer to update", e);
    }

    // Update the status file
    String status = statusCode == 0 ? "succeeded\n" : "failed: " + statusCode + "\n";

    OutputStream outStream;
    try {
      byte[] buf = status.getBytes("UTF-8");
      outStream = new FileOutputStream(statusFile);
      outStream.write(buf, 0, buf.length);
      outStream.close();
    } catch (Exception e) {
      Log.i(LOG_FILE_NAME, "error writing status file", e);
    }

    if (statusCode == 0) System.exit(0);
  }
Пример #24
0
 /**
  * Searches for the directory 'dirPath'; if not found, tries to create it, then returns a File
  * object for that directory.
  */
 public static File ensureDirExists(final String dirPath) {
   File dirpath = new File(dirPath);
   if (!dirpath.isDirectory()) {
     if (!dirpath.exists()) {
       printDebug("[Meta] " + dirpath + " does not exist: creating it...");
       try {
         Files.createDirectories(Paths.get(dirpath.getPath()));
         return dirpath;
       } catch (IOException e) {
         printDebug("[Meta] Exception while creating directory:");
         e.printStackTrace();
         return null;
       }
     } else {
       printDebug(
           "[Meta] Error: path `"
               + dirpath
               + "' is not a valid directory path, and could not create it.");
       return null;
     }
   } else return dirpath;
 }
Пример #25
0
  // List chunks in possession
  public static void chunkOwned() {
    // Look for chunks
    String currentDir = System.getProperty("user.dir");
    File folder = new File(currentDir);
    File[] listOfFiles = folder.listFiles();
    int fileCount = 0;

    for (int i = 0; i < listOfFiles.length; i++) {
      if (listOfFiles[i].isFile() && listOfFiles[i].getName().toLowerCase().contains("chunk")) {
        fileCount = fileCount + 1;
      }
    }
    String[] chunkOwnedArray1 = new String[fileCount];
    fileCount = 0;
    for (int i = 0; i < listOfFiles.length; i++) {
      if (listOfFiles[i].isFile() && listOfFiles[i].getName().toLowerCase().contains("chunk")) {
        String chunkName = listOfFiles[i].getName().toString();
        String chunkIdOwned = chunkName.substring(chunkName.lastIndexOf('.') + 6);
        chunkOwnedArray1[fileCount] = chunkIdOwned;
        fileCount++;
      }
    }
    chunkOwnedArray = chunkOwnedArray1;
  }
Пример #26
0
  /**
   * Finds all files in folder and in it's sub-tree of specified depth.
   *
   * @param file Starting folder
   * @param maxDepth Depth of the tree. If 1 - just look in the folder, no sub-folders.
   * @param filter file filter.
   * @return List of found files.
   */
  public static List<VisorLogFile> fileTree(File file, int maxDepth, @Nullable FileFilter filter) {
    if (file.isDirectory()) {
      File[] files = (filter == null) ? file.listFiles() : file.listFiles(filter);

      if (files == null) return Collections.emptyList();

      List<VisorLogFile> res = new ArrayList<>(files.length);

      for (File f : files) {
        if (f.isFile() && f.length() > 0) res.add(new VisorLogFile(f));
        else if (maxDepth > 1) res.addAll(fileTree(f, maxDepth - 1, filter));
      }

      return res;
    }

    return F.asList(new VisorLogFile(file));
  }
Пример #27
0
  /*
   * Checks if file exists, if it doesn't return null. If it does
   * reads each line from the file and returns an Array of Strings,
   * each index being 1 line from the file.
   */
  public static String[] readLinesFromFile(File filename) throws IOException {
    BufferedReader reader = null;
    // TODO: Convert to stringbuilder
    String lines = "";
    String temp = "";

    if (!filename.exists()) {
      return null;
    }

    try {
      reader = new BufferedReader(new FileReader(filename));
      temp = reader.readLine();

      while (temp != null) {
        lines += temp + "\n";
        temp = reader.readLine();
      }
    } finally {
      reader.close();
    }

    return lines.split("\n");
  }
Пример #28
0
  /*
   * Deletes the directory at the location passed. If deleteIfFull is true
   * then the method gets all the files in the directory and tries to delete
   * them. If deleteIfFull is false the method will attempt to delete the
   * directory. If the directory contains files, the method will return false.
   * Returns true if and only if the directory was deleted;
   * returns false otherwise
   */
  public static boolean deleteDirectory(File dir, boolean deleteIfFull) {
    // Checks if the file exists and if it is actually a directory
    if (dir.exists() && dir.isDirectory()) {
      // Checks if deleteIfFull is true
      if (deleteIfFull) {
        // Goes through each file in the directory and attempts to delete them
        File[] files = dir.listFiles();
        if (files != null) {
          for (File f : files) {
            f.delete();
          }
        }
      }
      // If the directory was deleted successfully then return true
      if (dir.delete()) {
        return true;
      }
    }

    // Return false otherwise
    return false;
  }
  /** @throws Exception If failed. */
  public void testCompact() throws Exception {
    File file = new File(UUID.randomUUID().toString());

    X.println("file: " + file.getPath());

    FileSwapSpaceSpi.SwapFile f = new FileSwapSpaceSpi.SwapFile(file, 8);

    Random rnd = new Random();

    ArrayList<FileSwapSpaceSpi.SwapValue> arr = new ArrayList<>();

    int size = 0;

    for (int a = 0; a < 100; a++) {
      FileSwapSpaceSpi.SwapValue[] vals = new FileSwapSpaceSpi.SwapValue[1 + rnd.nextInt(10)];

      int size0 = 0;

      for (int i = 0; i < vals.length; i++) {
        byte[] bytes = new byte[1 + rnd.nextInt(49)];

        rnd.nextBytes(bytes);

        size0 += bytes.length;

        vals[i] = new FileSwapSpaceSpi.SwapValue(bytes);

        arr.add(vals[i]);
      }

      f.write(new FileSwapSpaceSpi.SwapValues(vals, size0), 1);

      size += size0;

      assertEquals(f.length(), size);
      assertEquals(file.length(), size);
    }

    int i = 0;

    for (FileSwapSpaceSpi.SwapValue val : arr) assertEquals(val.idx(), ++i);

    i = 0;

    for (int cnt = arr.size() / 2; i < cnt; i++) {

      FileSwapSpaceSpi.SwapValue v = arr.remove(rnd.nextInt(arr.size()));

      assertTrue(f.tryRemove(v.idx(), v));
    }

    int hash0 = 0;

    for (FileSwapSpaceSpi.SwapValue val : arr) hash0 += Arrays.hashCode(val.readValue(f.readCh));

    ArrayList<T2<ByteBuffer, ArrayDeque<FileSwapSpaceSpi.SwapValue>>> bufs = new ArrayList();

    for (; ; ) {
      ArrayDeque<FileSwapSpaceSpi.SwapValue> que = new ArrayDeque<>();

      ByteBuffer buf = f.compact(que, 1024);

      if (buf == null) break;

      bufs.add(new T2(buf, que));
    }

    f.delete();

    int hash1 = 0;

    for (FileSwapSpaceSpi.SwapValue val : arr) hash1 += Arrays.hashCode(val.value(null));

    assertEquals(hash0, hash1);

    File file0 = new File(UUID.randomUUID().toString());

    FileSwapSpaceSpi.SwapFile f0 = new FileSwapSpaceSpi.SwapFile(file0, 8);

    for (T2<ByteBuffer, ArrayDeque<FileSwapSpaceSpi.SwapValue>> t : bufs)
      f0.write(t.get2(), t.get1(), 1);

    int hash2 = 0;

    for (FileSwapSpaceSpi.SwapValue val : arr) hash2 += Arrays.hashCode(val.readValue(f0.readCh));

    assertEquals(hash2, hash1);
  }
Пример #30
0
 private void readFromFile(File file) throws IOException {
   fis = new FileInputStream(file);
   chan = fis.getChannel();
   ByteBuffer buf = chan.map(FileChannel.MapMode.READ_ONLY, 0, (int) file.length());
   readFromBuffer(buf);
 }