Page History

public boolean sendPage(Socket socket, String pageName) { // No synchronization
  Page targetPage = getPage(pageName); 

  if (targetPage == null)
    return false;

  return deliverPage(socket, targetPage);
}

private synchronized Page getPage(String pageName) { // Requires synchronization
  Page targetPage = null;

  for (Page p : pageBuff) {
    if (p.getName().equals(pageName)) {
      targetPage = p;
    }
  }
  return targetPage;
}

// Return false if an error occurs, true if successful
public boolean deliverPage(Socket socket, Page page) {
  ObjectOutputStream out = null;
  boolean result = true;
  try {
    // Get the output stream to write the Page to
    out = new ObjectOutputStream(socket.getOutputStream());

    // Send the Page to the client
    out.writeObject(page);
  } catch (IOException io) {
    // If recovery is not possible return false
    return false;    result = false;
  } finally {
    if (out != null) {
      try {
        out.flush();
        out.close();
      } catch (IOException e) {
        //result If recovery is not possible return false
        return = false;
      }
    }  
  }
  return trueresult;
}