package com.atlassian.gzipfilter.test.web;
   
   import java.io.IOException;
   import java.io.OutputStream;
   import java.io.PrintWriter;
   import javax.servlet.ServletException;
   import javax.servlet.ServletRequest;
   import javax.servlet.ServletResponse;
   
  /**
   * helper class implementing header rewriter functionality
   */
  class RewriterHelper
  {
      static void applyContentTypes(ServletRequest req, ServletResponse resp) {
          String mimeTypes = req.getParameter("mimetypes");
          mimeTypes = mimeTypes != null ? mimeTypes : "text/html";
          for (String newMimeType: mimeTypes.split(",")) {
              resp.setContentType(newMimeType);
          }
      }
  
      static void service(ServletRequest req, ServletResponse resp) throws ServletException, IOException
      {
          applyContentTypes(req, resp);
  
          String outputMethod = req.getParameter("outputMethod");
          outputMethod = outputMethod != null ? outputMethod : "PrintWriter";
  
          PrintWriter printWriter;
          if (outputMethod.equals("PrintWriter")) {
              printWriter = resp.getWriter();
          } else {
              printWriter = new PrintWriter(resp.getOutputStream());
          }
          printWriter.write("<h1>Test Servlet</h1>");
          printWriter.close();
      }
  }