Пример #1
0
 public static Bitmap loadBitmap(String url, UrlBitmapDownloadCallback callback) {
   if (TextUtils.isEmpty(url)) {
     return null;
   }
   SoftReference<Bitmap> sf = mapUrlToBitmap.get(url);
   Bitmap bmp = null;
   if (sf != null) {
     bmp = sf.get();
   }
   if (bmp == null) {
     String filePath = FilePaths.getUrlFileCachePath(url);
     if (new File(filePath).exists()) {
       BitmapFactory.Options op = new BitmapFactory.Options();
       SystemUtils.computeSampleSize(op, filePath, 1024, 1024 * 512);
       try {
         bmp = BitmapFactory.decodeFile(filePath, op);
       } catch (OutOfMemoryError e) {
         e.printStackTrace();
         op.inSampleSize *= 2;
         bmp = BitmapFactory.decodeFile(filePath, op);
       }
     }
     if (bmp == null) {
       if (callback != null) {
         mapUrlToCallback.put(url, callback);
       }
       requestDownloadBitmap(url, filePath);
     } else if (bmp != null) {
       mapUrlToBitmap.put(url, new SoftReference<Bitmap>(bmp));
     }
   }
   return bmp;
 }
  @Override
  protected void doPost(HttpServletRequest req, HttpServletResponse resp)
      throws ServletException, IOException {

    String error = "";

    String contextPath = getServletContext().getContextPath();

    String funcNum = req.getParameter("CKEditorFuncNum");

    resp.setContentType("text/html");
    PrintWriter writer = resp.getWriter();

    PropertyProcessor instance = PropertyProcessor.getInstance(contextPath);
    CkProperties properties = instance.getProperties();
    FileItem fileItem = fetchFileFromRequest(req, properties.getUploadFieldName());

    String contentType = fileItem.getContentType();
    String output = "";

    if (contentType.contains("image")) {
      byte[] bytes = fileItem.get();
      Dimensions currentDimensions = ImageUtil.getCurrentDimensions(bytes);

      BufferedImage displayImage = createDisplayImage(properties, bytes, currentDimensions);
      BufferedImage thumbnailImage = createThumbnailImage(properties, bytes, currentDimensions);

      FilePathStrategy strategy = properties.getStrategy();
      FilePaths paths = strategy.createPaths(fileItem.getName(), properties);

      ImageUtil.saveImage(displayImage, paths.getDisplayImageServerPath());
      ImageUtil.saveImage(thumbnailImage, paths.getThumbnailServerpath());

      output =
          String.format(
              "<script type='text/javascript'>window.parent.CKEDITOR.tools.callFunction(%s, '%s', '%s');</script>",
              funcNum, paths.getDisplayImageRelativeUrl(), error);
    } else {
      output =
          String.format(
              "<script type='text/javascript'>window.parent.CKEDITOR.tools.callFunction(%s, '%s', '%s');</script>",
              funcNum, "", properties.getNoImageError());
    }

    writer.write(output);
  }