Examples of javax.servlet.ServletOutputStream

javax.servlet.ServletOutputStream
@author Rick Knowles

    reset(false);


    setStatus(statusCode, statusMsg);
    setContentType("text/html");


    ServletOutputStream out = new ServletOutputStreamImpl(bodyOut);
    out.println("<html>");
    out.println("<head>");
    out.print("<title>");
    out.print(this.statusCode);
    out.print(" ");
    out.print(this.statusMsg);
    out.println("</title>");
    out.println("</head>");
    out.println("<body>");
    out.print("<h1>");
    out.print(this.statusCode);
    out.print(" ");
    out.print(this.statusMsg);
    out.println("</h1>");
    out.println("</body>");
    out.println("</html>");


    commit();
  }

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    responseLength = responseString.length();
  
    resp.setContentType("message/http");
    resp.setContentLength(responseLength);
    ServletOutputStream out = resp.getOutputStream();
    out.print(responseString);  
    out.close();
  }

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    final String contentType = context.getMimeType(target);
    if (contentType != null)
      response.setContentType(contentType);


    ServletOutputStream os = response.getOutputStream();
    if (useGzip) {
      os = new GZIPServletOutputStreamImpl(os);
      response.addHeader(HeaderBase.CONTENT_ENCODING, "gzip");
    }
    try {
      parseHtml(target, context, os, new Stack());
    } catch (IOException ioe) {
      throw ioe;
    } catch (Exception e) {
      os.print("<b><font color=\"red\">SSI Error: " + e + "</font></b>");
    }
    // An explicit flush is needed here, since flushing the
    // underlaying servlet output stream will not finish the gzip
    // process! Note flush() should only be called once on a
    // GZIPServletOutputStreamImpl.
    os.flush();
  }

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            doUnknown(req, root);


        res.setHeader ("Pragma",        "no-cache");
        res.setHeader ("Cache-Control", "no-cache");
        String xml = new XMLOutputter().outputString(new Document(root));
        ServletOutputStream out = res.getOutputStream();
        out.println(xml);
    }

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   */
  @SuppressWarnings("unchecked")
  @Override
  public void doPost(HttpServletRequest request, HttpServletResponse response) {


    ServletOutputStream out = null;


    try {
      HttpRequestHolder.setServletRequest(request);
      FileItemFactory factory = new DiskFileItemFactory();
      ServletFileUpload upload = new ServletFileUpload(factory);


      List<FileItem> items = upload.parseRequest(request);
      response.setContentType("text/xml");
      out = response.getOutputStream();
      for (FileItem item : items) {
        if (!item.isFormField()) {
          out.print("<resource");
          IResourceBase uploadResource = new UploadResourceAdapter(
              "application/octet-stream", item);
          String resourceId = ResourceManager.getInstance().register(
              uploadResource);
          out.print(" id=\"" + resourceId);
          out.print("\" name=\"" + HtmlHelper.escapeForHTML(item.getName()));
          out.println("\" />");
        }
      }
      out.flush();
      out.close();
    } catch (FileUploadException fue) {
      fue.printStackTrace();
    } catch (IOException ioe) {
      ioe.printStackTrace();
    } catch (Exception e) {

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    int head = 0;
    boolean isFirstChunk = true;
    String boundary = null;
    int off = range.indexOf("bytes=", head);
    ServletOutputStream os = null;


    if (off < 0)
      return false;


    off += 6;


    while (off > 0 && off < length) {
      boolean hasFirst = false;
      long first = 0;
      boolean hasLast = false;
      long last = 0;
      int ch = -1;


      // Skip whitespace
      for (; off < length && (ch = range.charAt(off)) == ' '; off++) {
      }


      // read range start (before '-')
      for (;
           off < length && (ch = range.charAt(off)) >= '0' && ch <= '9';
           off++) {
        first = 10 * first + ch - '0';
        hasFirst = true;
      }


      if (length <= off && ! isFirstChunk)
        break;
      else if (ch != '-')
        return false;


      // read range end (before '-')
      for (off++;
           off < length && (ch = range.charAt(off)) >= '0' && ch <= '9';
           off++) {
        last = 10 * last + ch - '0';
        hasLast = true;
      }


      // #3766 - browser errors in range
      if (off < length && ch != ' ' && ch != ',')
        return false;


      // Skip whitespace
      for (; off < length && (ch = range.charAt(off)) == ' '; off++) {
      }


      head = off;
      long cacheLength = cache.getLength();
      if (! hasLast) {
        if (first == 0)
          return false;


        last = cacheLength - 1;
      }


      // suffix
      if (! hasFirst) {
        first = cacheLength - last;
        last = cacheLength - 1;
      }


      if (last < first)
        break;


      if (cacheLength <= last) {
        // XXX: actually, an error
        break;
      }
      res.setStatus(HttpServletResponse.SC_PARTIAL_CONTENT);
      StringBuilder cb = new StringBuilder();
      cb.append("bytes ");
      cb.append(first);
      cb.append('-');
      cb.append(last);
      cb.append('/');
      cb.append(cacheLength);
      String chunkRange = cb.toString();


      if (hasMore) {
        if (isFirstChunk) {
          StringBuilder cb1 = new StringBuilder();


          cb1.append("--");
          Base64.encode(cb1, RandomUtil.getRandomLong());
          boundary = cb1.toString();


          res.setContentType("multipart/byteranges; boundary=" + boundary);
          os = res.getOutputStream();
        }
        else {
          os.write('\r');
          os.write('\n');
        }


        isFirstChunk = false;


        os.write('-');
        os.write('-');
        os.print(boundary);
        os.print("\r\nContent-Type: ");
        os.print(mime);
        os.print("\r\nContent-Range: ");
        os.print(chunkRange);
        os.write('\r');
        os.write('\n');
        os.write('\r');
        os.write('\n');
      }
      else {
        res.setContentLength((int) (last - first + 1));


        res.addHeader("Content-Range", chunkRange);
      }


      ReadStream is = null;
      try {
        is = cache.getPath().openRead();
        is.skip(first);


        os = res.getOutputStream();
        is.writeToStream(os, (int) (last - first + 1));
      } finally {
        if (is != null)
          is.close();
      }


      for (off--; off < length && range.charAt(off) != ','; off++) {
      }


      off++;
    }


    if (hasMore) {
      os = res.getOutputStream();
      
      os.write('\r');
      os.write('\n');
      os.write('-');
      os.write('-');
      os.print(boundary);
      os.write('-');
      os.write('-');
      os.write('\r');
      os.write('\n');
    }


    return true;
  }

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                if (type != null) {
                    response.setContentType(type);
                }
            }
            
            ServletOutputStream os = response.getOutputStream();
            IOUtils.copy(is, os);
            os.flush();
        } catch (IOException ex) {
            throw new ServletException("Static resource " + pathInfo 
                                       + " can not be written to the output stream");
        }

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        responseLength = responseString.length();


        resp.setContentType("message/http");
        resp.setContentLength(responseLength);
        ServletOutputStream out = resp.getOutputStream();
        out.print(responseString);
        out.close();
        return;
    }

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                serveContent = false;
            }


        }


        ServletOutputStream ostream = null;
        PrintWriter writer = null;


        if (serveContent) {


            // Trying to retrieve the servlet output stream

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        printWriter = null;
    }


    public ServletOutputStream getOutputStream() {
        if (servletOutputStream == null) {
            servletOutputStream = new ServletOutputStream() {
                @Override
                public void write(int b) throws IOException {
                    outputStream.write(b);
                }
            };

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