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);
}
