import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class Deblink extends HttpServlet {

  public void doGet(HttpServletRequest req, HttpServletResponse res) 
                               throws ServletException, IOException {

    String contentType = req.getContentType();  // get the incoming type
    if (contentType == null) return;  // nothing incoming, nothing to do
    res.setContentType(contentType);  // set outgoing type to be incoming type

    PrintWriter out = res.getWriter();

    BufferedReader in = req.getReader();

    String line = null;
    while ((line = in.readLine()) != null) {
      line = replace(line, "<BLINK>", "");
      line = replace(line, "</BLINK>", "");
      out.println(line);
    }
  }

  public void doPost(HttpServletRequest req, HttpServletResponse res)
                                throws ServletException, IOException {
    doGet(req, res);
  }

  private String replace(String line, String oldString, String newString) {
    int index = 0;
    while ((index = line.indexOf(oldString, index)) >= 0) {
      // Replace the old string with the new string (inefficiently)
      line = line.substring(0, index) +
             newString +
             line.substring(index + oldString.length());
      index += newString.length();
    }
    return line;
  }
}