private BufferedImage createDisplayImage(
CkProperties properties, byte[] imageByteArray, Dimensions currentDimensions) {
BufferedImage image;
if (currentDimensions.width > properties.getMaxWidth()
|| currentDimensions.height > properties.getMaxHeight()) {
image = ImageUtil.scale(imageByteArray, properties.getMaxWidth(), properties.getMaxHeight());
} else {
image = ImageUtil.getBufferedImage(imageByteArray);
}
return image;
}
@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);
}
