/** * 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) { } } } }
@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); } }