@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>");
}
public static String getDownloadUrl(ImageRef ref) {
ImagesService imagesService = ImagesServiceFactory.getImagesService();
return imagesService.getServingUrl(
ServingUrlOptions.Builder.withBlobKey(getBlobkKey(ref))
.imageSize(ImagesService.SERVING_SIZES_LIMIT));
}