public Object getNewValue(Object oldValue) throws Exception {
_type = null;
_height = null;
_width = null;
_size = null;
String text = (String) oldValue;
byte[] bytes = (byte[]) Base64.stringToObject(text);
try {
Image image = ImageLocalServiceUtil.getImage(bytes);
_type = image.getType();
_height = new Integer(image.getHeight());
_width = new Integer(image.getWidth());
_size = new Integer(image.getSize());
} catch (Exception e) {
if (_log.isWarnEnabled()) {
String imageId = (String) _imageIdColumn.getOldValue();
if (_log.isWarnEnabled()) {
_log.warn("Unable to get image data for " + imageId + ": " + e.getMessage());
}
}
_type = ImageConstants.TYPE_NOT_AVAILABLE;
_height = null;
_width = null;
_size = new Integer(bytes.length);
}
return oldValue;
}
public Image updateImage(long imageId, InputStream is) throws PortalException, SystemException {
Image image = getImage(is);
return updateImage(
imageId,
image.getTextObj(),
image.getType(),
image.getHeight(),
image.getWidth(),
image.getSize());
}
protected byte[] getImageBytes(HttpServletRequest request, Image image) {
try {
if (!PropsValues.IMAGE_AUTO_SCALE) {
return image.getTextObj();
}
ImageBag imageBag = null;
if (image.getImageId() == 0) {
imageBag = ImageToolUtil.read(image.getTextObj());
RenderedImage renderedImage = imageBag.getRenderedImage();
image.setHeight(renderedImage.getHeight());
image.setWidth(renderedImage.getWidth());
}
int height = ParamUtil.getInteger(request, "height", image.getHeight());
int width = ParamUtil.getInteger(request, "width", image.getWidth());
if ((height >= image.getHeight()) && (width >= image.getWidth())) {
return image.getTextObj();
}
if (image.getImageId() != 0) {
imageBag = ImageToolUtil.read(image.getTextObj());
}
RenderedImage renderedImage = ImageToolUtil.scale(imageBag.getRenderedImage(), height, width);
return ImageToolUtil.getBytes(renderedImage, imageBag.getType());
} catch (Exception e) {
if (_log.isWarnEnabled()) {
_log.warn("Error scaling image " + image.getImageId(), e);
}
}
return image.getTextObj();
}
protected Image getUserPortraitImageResized(Image image, long imageId)
throws PortalException, SystemException {
if (image == null) {
return null;
}
if ((image.getHeight() > PropsValues.USERS_IMAGE_MAX_HEIGHT)
|| (image.getWidth() > PropsValues.USERS_IMAGE_MAX_WIDTH)) {
User user = UserLocalServiceUtil.getUserByPortraitId(imageId);
UserLocalServiceUtil.updatePortrait(user.getUserId(), image.getTextObj());
return ImageLocalServiceUtil.getImage(imageId);
}
return image;
}
protected Image toUnwrappedModel(Image image) {
if (image instanceof ImageImpl) {
return image;
}
ImageImpl imageImpl = new ImageImpl();
imageImpl.setNew(image.isNew());
imageImpl.setPrimaryKey(image.getPrimaryKey());
imageImpl.setImageId(image.getImageId());
imageImpl.setModifiedDate(image.getModifiedDate());
imageImpl.setText(image.getText());
imageImpl.setType(image.getType());
imageImpl.setHeight(image.getHeight());
imageImpl.setWidth(image.getWidth());
imageImpl.setSize(image.getSize());
return imageImpl;
}
