public void setupSizedImages( HttpServletRequest request, String sizedImages, MasterImageMetaData mimd) { Collection<SizedImageMetaData> simds = mimd.getSizedImages().values(); UserSessionData usd = getUserSessionData(request); if (!StringUtils.isBlank(sizedImages)) { log.debug("setupSizedImages: Handling the sized images..."); // Images have been selected and we didn't have any images stored previously String[] sizedImagesArray = sizedImages.split(","); log.debug( "setupSizedImages: the bean has " + sizedImagesArray.length + " sized image(s) selected"); if (simds.size() == 0) { log.debug("setupSizedImages: no simds were previously defined"); for (int x = 1; x <= sizedImagesArray.length; x++) { SizedImageMetaData simd = new SizedImageMetaData(); ImageSizeDefinition isd = imageSizeDefMgr.getImageSize(sizedImagesArray[x - 1]); simd.setSizeDefinition(isd); mimd.addSizedImage(simd); log.debug("setupSizedImages: adding new image size " + isd.getLabel()); usd.setDirty(true); } } else // Images have been selected and there were others stored previously { log.debug("setupSizedImages: simds have been previously defined"); Map<String, SizedImageMetaData> previousSimds = mimd.getSizedImages(); Map<String, SizedImageMetaData> newSimds = new HashMap<String, SizedImageMetaData>(); for (int x = 0; x < sizedImagesArray.length; x++) { SizedImageMetaData simd = null; String key = sizedImagesArray[x]; if (previousSimds.containsKey(key)) { simd = previousSimds.get(key); log.debug( "setupSizedImages: Image of type [" + key + "] previously chosen, re-using existing one"); previousSimds.remove(key); } else { simd = new SizedImageMetaData(); ImageSizeDefinition isd = imageSizeDefMgr.getImageSize(key); simd.setSizeDefinition(isd); log.debug( "setupSizedImages: Image of type [" + key + "] not previously chosen, created a new one"); usd.setDirty(true); } newSimds.put(simd.getSizeDefinition().getCode(), simd); } mimd.setSizedImages(newSimds); if (previousSimds.size() > 0) { // some SIMDs were "left over", something has changed. usd.setDirty(true); } } log.debug("setupSizedImages: Sized Images in MIMD: " + mimd.getSizedImages().size()); } else { if (simds.size() > 0) { log.debug( "setupSizedImages: There were sized images selected, but none have been selected now, so clearing out sized images"); mimd.setSizedImages(new LinkedHashMap<String, SizedImageMetaData>()); usd.setDirty(true); } } }