Example #1
0
 /**
  * Send a plugin JAR file to the client
  *
  * @param data the plugin name
  */
 private void sendPlugin(ObjectConnection oc, String data) {
   DataInputStream dis = null;
   try {
     dis = new DataInputStream(new FileInputStream(APPLICATIONS_DIRECTORY + data + ".jar"));
     byte[] buf = new byte[dis.available()];
     dis.readFully(buf);
     oc.write(buf);
   } catch (Exception e) {
     Logging.getLogger().warning("Unable to send the file: " + data + ".jar");
   } finally {
     if (dis != null) {
       try {
         dis.close();
       } catch (IOException ioe) {
       }
     }
   }
 }
Example #2
0
    @Override
    public void run() {

      try {
        // Create data input and output streams
        DataInputStream inputFromClient = new DataInputStream(socket.getInputStream());
        DataOutputStream outputToClient = new DataOutputStream(socket.getOutputStream());

        // Set up a byte buffer to capture the file from the client
        byte[] buffer = new byte[BUFFER_SIZE];
        OutputStream outputStream = null;
        String fileName = "";
        boolean createFile = true;
        int bytesReceived = 0;
        long totalBytesReceived = 0;
        long fileSize = 0;

        // Continuously serve the client
        while (true) {
          bytesReceived = inputFromClient.read(buffer);

          if (bytesReceived
              > 0) { // Get the file transmission header from the initial client packet
            String transmitHeader = new String(buffer, 0, bytesReceived);
            // transmitHeader = transmitHeader.substring(0, bytesReceived).trim().;
            String[] header = transmitHeader.split(HEADER_DEL);
            fileSize = Long.parseLong(header[0]);
            fileName = header[1];

            // Send receipt acknowledgment back to the client. Just send back the number of bytes
            // received.
            outputToClient.writeInt(bytesReceived);

            // Reinitialize buffer values
            buffer = new byte[BUFFER_SIZE];
            bytesReceived = 0;
          }

          // Wait for client to send bytes
          while ((bytesReceived = inputFromClient.read(buffer)) != -1) {
            if (inputFromClient.available() > 0) {
              if (createFile) { // Get a unique name for the file to be received
                fileName = textFolder.getText() + fileName; // getUniqueFileName();
                outputStream = createFile(fileName);
                createFile = false;
                textArea.append("Receiving file from client.\n");
              }

              // Write bytes to file
              outputStream.write(buffer, 0, bytesReceived);
            } else { // We get here if no more data is available, but some bytes were already
              // received

              // If bytes were received and the file wasn't already created,
              // it means that the file was smaller than our buffer size.
              // Create the file...
              if (bytesReceived > 0
                  && createFile) { // Get a unique name for the file to be received
                fileName = textFolder.getText() + fileName; // getUniqueFileName();
                outputStream = createFile(fileName);
                createFile = false;
                textArea.append("Receiving file from client.\n");
              }

              if (outputStream != null) {
                if (bytesReceived > 0) { // Write remaining bytes to file, if any
                  outputStream.write(buffer, 0, bytesReceived);
                }

                outputStream.flush();
                outputStream.close();
                textArea.append("Received file successfully. Saved as " + fileName + "\n");

                // Return success to client.
                outputToClient.writeInt(0);
              }

              // Reset creation flag
              createFile = true;
              break;
            }

            // Reinitialize buffer values
            buffer = new byte[BUFFER_SIZE];
            bytesReceived = 0;
          }
        }
      } catch (IOException e) {
        System.err.println(e);
      }
    }