/**
* Utility that deletes any temporary uploads that were performed during editing, but were not
* saved.
*
* @throws IOException if there was a problem reading the uploads directory or deleting any
* temporary uploads
*/
private void deleteTempUploads() throws IOException {
if (selected != null) {
for (Variant variant : selected.getVariants()) {
Collection<File> tmpFiles =
FileUtils.listFiles(
UploadsServlet.getUploadsDirectory(),
FileFilterUtils.prefixFileFilter("tmp-" + variant.getUuid()),
null);
for (File tmpFile : tmpFiles) {
FileUtils.forceDelete(tmpFile);
}
}
}
}
/**
* JSF method to upload a new image file.
*
* @param uploadedImage a PrimeFaces upload
*/
public void setUploadedImage(final UploadedFile uploadedImage) {
BufferedInputStream in = null;
BufferedOutputStream out = null;
try {
// Determine if upload has a valid MIME type
if (!uploadedImage.getContentType().startsWith("image")) {
throw new IOException("Not a valid image type");
}
// Determine temporary image name
String ext = FilenameUtils.getExtension(uploadedImage.getFileName());
currentVariant.setItemImage(
"tmp-" + currentVariant.getUuid() + "-" + new Date().getTime() + "." + ext);
File path = new File(UploadsServlet.getUploadsDirectory(), currentVariant.getItemImage());
// Write file contents to disk
in = new BufferedInputStream(uploadedImage.getInputstream(), BUFFER_SIZE);
out = new BufferedOutputStream(new FileOutputStream(path), BUFFER_SIZE);
byte[] buffer = new byte[BUFFER_SIZE];
int length = -1;
while ((length = in.read(buffer)) >= 0) {
out.write(buffer, 0, length);
}
uploadedImages.put(currentVariant, uploadedImage);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
// Close streams
if (in != null) {
in.close();
}
if (out != null) {
out.flush();
out.close();
}
} catch (IOException e) {
// Ignore, only closing streams
}
}
}