@Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String source = req.getParameter("source"); ImagesService imagesService = ImagesServiceFactory.getImagesService(); DatastoreService datastore = DatastoreServiceFactory.getDatastoreService(); List<Filter> filters = new ArrayList<Filter>(); Query query = new Query(GAEFeedRepository.FEED_ITEM_KIND); filters.add(new Query.FilterPredicate("source", FilterOperator.EQUAL, source)); filters.add(new Query.FilterPredicate("img1A", FilterOperator.EQUAL, 1)); filters.add(new Query.FilterPredicate("img2A", FilterOperator.EQUAL, 1)); query.setFilter(CompositeFilterOperator.and(filters)); query.addSort("publishedDate", SortDirection.DESCENDING); PreparedQuery pq = datastore.prepare(query); int pageSize = 30; resp.setContentType("text/html"); resp.getWriter().println(" <ul>"); FetchOptions fetchOptions = FetchOptions.Builder.withLimit(pageSize); String startCursor = req.getParameter("cursor"); // If this servlet is passed a cursor parameter, let's use it if (startCursor != null) { fetchOptions.startCursor(Cursor.fromWebSafeString(startCursor)); } QueryResultList<Entity> results = pq.asQueryResultList(fetchOptions); for (Entity entity : results) { resp.getWriter() .println( "<li>" + entity.getProperty("imageLink") + " / " + imagesService.getServingUrl( ServingUrlOptions.Builder.withBlobKey((BlobKey) entity.getProperty("img2"))) + " / <img height=40 width=40 src=\"" + imagesService.getServingUrl( ServingUrlOptions.Builder.withBlobKey((BlobKey) entity.getProperty("img2"))) + "\" />"); } resp.getWriter().println("</li> </entity></ul> "); String cursor = results.getCursor().toWebSafeString(); // Assuming this servlet lives at '/people' resp.getWriter() .println( "<a href=\"/p8admin/ListFeedItems?cursor=" + cursor + "&source=" + source + "\">Next page</a>"); }
private boolean persistNoteImage(String contentType, byte[] bytes, String noteKey) { Store.Api api = store.getApi(); User user = UserServiceFactory.getUserService().getCurrentUser(); // NoteImage image = new NoteImage(bytes, contentType, user.getEmail(), new Date(), new Date()); try { Author me = api.getOrCreateNewAuthor(user); Transaction tx = api.begin(); Note note = api.getNote(KeyFactory.stringToKey(noteKey)); if (!note.getAuthorEmail().equalsIgnoreCase(me.getEmail())) { return false; } Transform resize = ImagesServiceFactory.makeResize(400, 400); ImagesService imagesService = ImagesServiceFactory.getImagesService(); Image oldImage = ImagesServiceFactory.makeImage(bytes); Image newImage = imagesService.applyTransform(resize, oldImage, OutputEncoding.JPEG); note.setImageData(new Blob(newImage.getImageData())); note.setContentType(contentType); api.saveNote(note); tx.commit(); log.debug("Persisted image with for note: " + note.getKey()); } catch (Exception ex) { log.error(ex.getMessage(), ex); return false; } finally { api.close(); } return true; }
public byte[] process(byte[] data, ImageFormat format, ContentType type, float balance) { Image image = ImagesServiceFactory.makeImage(data); CompositeTransform tx = ImagesServiceFactory.makeCompositeTransform(); if (format.isCrop()) { float w1 = image.getWidth(); float h1 = image.getHeight(); float w2 = format.getWidth(); float h2 = format.getHeight(); Crop c = new Crop(w1, h1, w2, h2, balance); tx.concatenate(ImagesServiceFactory.makeCrop(c.x, c.y, c.x + c.width, c.y + c.height)); } tx.concatenate(ImagesServiceFactory.makeResize(format.getWidth(), format.getHeight())); try { ImagesService imagesService = ImagesServiceFactory.getImagesService(); OutputEncoding outputEncoding = OutputEncoding.valueOf(type.name()); return imagesService.applyTransform(tx, image, outputEncoding).getImageData(); } catch (OverQuotaException e) { throw new ImageServiceException(e); } }
public static String getDownloadUrl(ImageRef ref) { ImagesService imagesService = ImagesServiceFactory.getImagesService(); return imagesService.getServingUrl( ServingUrlOptions.Builder.withBlobKey(getBlobkKey(ref)) .imageSize(ImagesService.SERVING_SIZES_LIMIT)); }
private Collection<Future<HTTPResponse>> handleBodyPart( HttpServletRequest request, Entity blog, BodyPart bodyPart, final Settings settings) throws MessagingException, IOException { ImagesService imagesService = ImagesServiceFactory.getImagesService(); DS ds = DS.get(); Collection<Future<HTTPResponse>> futures = new ArrayList<>(); String contentType = bodyPart.getContentType(); log(contentType); Object content = bodyPart.getContent(); if (content instanceof InputStream) { String filename = bodyPart.getFileName(); byte[] bytes = getBytes(bodyPart); String digestString = DS.getDigest(bytes); Entity metadata = createMetadata(digestString, filename, contentType, bytes); if (contentType.startsWith("image/")) { int oWidth; int oHeight; int wWidth; int wHeight; Image image = ImagesServiceFactory.makeImage(bytes); if (settings.isFixPic()) { Transform makeImFeelingLucky = ImagesServiceFactory.makeImFeelingLucky(); image = imagesService.applyTransform(makeImFeelingLucky, image); } oWidth = image.getWidth(); oHeight = image.getHeight(); if (image.getHeight() > settings.getPicMaxHeight() || image.getWidth() > settings.getPicMaxWidth()) { log( "shrinking [" + image.getHeight() + ", " + image.getWidth() + "] > [" + settings.getPicMaxHeight() + ", " + settings.getPicMaxWidth() + "]"); Transform makeResize = ImagesServiceFactory.makeResize( settings.getPicMaxHeight(), settings.getPicMaxWidth()); Image shrinken = imagesService.applyTransform(makeResize, image); wWidth = shrinken.getWidth(); wHeight = shrinken.getHeight(); Future<HTTPResponse> res = postBlobs( filename, contentType, digestString, shrinken.getImageData(), WebSizeProperty, request, wWidth, wHeight); futures.add(res); } else { wWidth = image.getWidth(); wHeight = image.getHeight(); Future<HTTPResponse> res = postBlobs( filename, contentType, digestString, bytes, WebSizeProperty, request, wWidth, wHeight); futures.add(res); } Future<HTTPResponse> res = postBlobs( filename, contentType, digestString, bytes, OriginalSizeProperty, request, oWidth, oHeight); futures.add(res); String[] cids = bodyPart.getHeader("Content-ID"); if (cids != null && cids.length > 0) { String alt = (String) metadata.getProperty(UserCommentProperty); if (alt == null) { alt = ""; } replaceBlogRef(blog, cids[0], digestString, wWidth, wHeight, alt); } } if (contentType.startsWith("application/vnd.google-earth.kml+xml") || filename.endsWith(".kml")) { try { InputStream is = (InputStream) content; KML kml = new KML(is); PlacemarkUpdater pu = new PlacemarkUpdater(ds, kml, LocatorLevel.Field); pu.visit(kml, null); } catch (JAXBException ex) { log("reading kml failed", ex); } } if (contentType.startsWith("application/vnd.google-earth.kmz") || filename.endsWith(".kmz")) { try { InputStream is = (InputStream) content; KMZ kmz = new KMZ(is); PlacemarkUpdater pu = new PlacemarkUpdater(ds, kmz, LocatorLevel.Field); pu.visit(kmz, null); } catch (JAXBException ex) { log("reading kmz failed", ex); } } if (filename.endsWith(".gpx")) { try { InputStream is = (InputStream) content; final GPX gpx = new GPX(is); final OpenCPNTrackHandler handler = new OpenCPNTrackHandler(ds); RunInNamespace rin = new RunInNamespace() { @Override protected Object run() { gpx.browse( settings.getTrackBearingTolerance(), settings.getTrackMinimumDistance(), settings.getTrackMaxSpeed(), handler); return null; } }; rin.doIt(null, settings.isCommonPlacemarks()); } catch (JAXBException ex) { log("reading gpx failed", ex); } } if (filename.endsWith(".trc")) { InputStream is = (InputStream) content; final TrackInput trackInput = new TrackInput(is); final CompressedTrackHandler cth = new CompressedTrackHandler(ds); RunInNamespace rin = new RunInNamespace() { @Override protected Object run() { try { cth.handle(trackInput); } catch (IOException ex) { log(ex.getMessage(), ex); } return null; } }; rin.doIt(null, settings.isCommonPlacemarks()); } if (contentType.startsWith("application/X-jsr179-location-nmea") || filename.endsWith(".nmea")) { log("NMEA not yet supported"); } } return futures; }