/**
* upload avatar image and resize the images if need
*
* @param avatar
* @param uploadedFile
* @return file name
*/
private String processImageUpload(Avatar avatar, UploadedFile uploadedFile) {
File file = this.saveImage(avatar, uploadedFile);
if (file == null) {
return null;
}
avatar.setFileName(file.getName());
try {
long size = file.length();
long maxSize = this.config.getLong(ConfigKeys.AVATAR_MAX_SIZE);
if (size > maxSize) {
throw new ValidationException("File size too big");
}
ImageInfo ii = new ImageInfo();
try {
ii.setInput(new FileInputStream(file));
} catch (FileNotFoundException e) {
throw new ForumException(e);
}
if (!ii.check()) {
throw new ValidationException("Not a supported image file format.");
}
avatar.setHeight(ii.getHeight());
avatar.setWidth(ii.getWidth());
// check the image size
this.checkImageSize(avatar);
} catch (ValidationException e) {
file.delete();
throw e;
}
return file.getName();
}
/**
* Updates a existing avatar
*
* @param avatar
* @param image
*/
public void update(Avatar avatar, UploadedFile uploadedFile) {
this.isAllowed(avatar);
if (avatar.getId() == 0) {
throw new ValidationException("update() expects a avatar with an existing id");
}
Avatar current = this.repository.get(avatar.getId());
avatar.setAvatarType(current.getAvatarType());
// upload the img and get the upload img info
String imageDiskName = this.processImageUpload(avatar, uploadedFile);
if (imageDiskName != null) {
this.deleteImage(current);
current.setFileName(imageDiskName);
current.setHeight(avatar.getHeight());
current.setWidth(avatar.getWidth());
}
this.repository.update(current);
}