Java Extras类代码示例

import com.flickr4java.flickr.photos.Extras; //导入依赖的package包/类
@Override
protected PhotoList<Photo> flickrProcess(String path) {
	try {
		final GalleriesInterface galleriesInterface = flickr.getGalleriesInterface();
		final com.flickr4java.flickr.galleries.Gallery gallery = flickr.getUrlsInterface().lookupGallery(path);

		return galleriesInterface.getPhotos(gallery.getId(), Extras.ALL_EXTRAS, 18, 0);
	} catch (final Exception e) {
		e.printStackTrace();
	}
	return null;
}
 

import com.flickr4java.flickr.photos.Extras; //导入依赖的package包/类
/**
 * Create an image dataset from a flickr gallery with the specified
 * parameters. The number of images can be limited to a subset.
 * 
 * @param reader
 *            the reader with which to load the images
 * @param token
 *            the flickr api authentication token
 * @param galleryId
 *            the Flickr gallery ID
 * @param number
 *            the maximum number of images to add to the dataset. Setting to
 *            0 or less will attempt to use all the images.
 * @return a {@link FlickrImageDataset} created from the gallery described
 *         by the given parameters
 * @throws Exception
 *             if an error occurs
 */
public static <IMAGE extends Image<?, IMAGE>> FlickrImageDataset<IMAGE> createFromGallery(
		InputStreamObjectReader<IMAGE> reader,
		FlickrAPIToken token,
		String galleryId, int number) throws Exception
{
	final Flickr flickr = makeFlickr(token);

	List<Photo> photos = new ArrayList<Photo>();
	final PhotoList<Photo> first = flickr.getGalleriesInterface().getPhotos(galleryId, Extras.ALL_EXTRAS, 250, 0);
	photos.addAll(first);

	if (number > 0)
		number = Math.min(number, first.getTotal());

	for (int page = 1, n = photos.size(); n < number; page++) {
		final PhotoList<Photo> result = flickr.getGalleriesInterface().getPhotos(galleryId, Extras.ALL_EXTRAS, 250,
				page);
		photos.addAll(result);
		n += result.size();
	}

	if (number > 0 && number < photos.size())
		photos = photos.subList(0, number);

	return new FlickrImageDataset<IMAGE>(reader, photos);
}
 

import com.flickr4java.flickr.photos.Extras; //导入依赖的package包/类
/**
 * Create an image dataset from a flickr photoset. The number of images can
 * be limited to a subset.
 * 
 * @param reader
 *            the reader with which to load the images
 * @param token
 *            the flickr api authentication token
 * @param setId
 *            the photoset identifier
 * @param number
 *            the maximum number of images to add to the dataset. Setting to
 *            0 or less will attempt to use all the images.
 * @return a {@link FlickrImageDataset} created from the gallery described
 *         by the given parameters
 * @throws Exception
 *             if an error occurs
 */
public static <IMAGE extends Image<?, IMAGE>> FlickrImageDataset<IMAGE> createFromPhotoset(
		InputStreamObjectReader<IMAGE> reader,
		FlickrAPIToken token,
		String setId, int number) throws Exception
{
	final Flickr flickr = makeFlickr(token);

	final PhotosetsInterface setsInterface = flickr.getPhotosetsInterface();

	List<Photo> photos = new ArrayList<Photo>();
	final PhotoList<Photo> first = setsInterface.getPhotos(setId, Extras.ALL_EXTRAS, 0, 250, 0);
	photos.addAll(first);

	if (number > 0)
		number = Math.min(number, first.getTotal());

	for (int page = 1, n = photos.size(); n < number; page++) {
		final PhotoList<Photo> result = setsInterface.getPhotos(setId, Extras.ALL_EXTRAS, 0, 250, page);
		photos.addAll(result);
		n += result.size();
	}

	if (number > 0 && number < photos.size())
		photos = photos.subList(0, number);

	return new FlickrImageDataset<IMAGE>(reader, photos);
}
 

import com.flickr4java.flickr.photos.Extras; //导入依赖的package包/类
@Override
public Response retrieveAccountFeed(AccountFeed feed, Integer maxRequests) {
	
	Response response = new Response();
	List<Post> items = new ArrayList<Post>();
	
	Date dateToRetrieve = feed.getSinceDate();
	String label = feed.getLabel();
	
	int page=1, pages=1; //pagination
	int numberOfRequests = 0;
	
	//Here we search the user by the userId given (NSID) - 
	// however we can get NSID via flickrAPI given user's username
	String userID = feed.getId();
	
	if(userID == null) {
		logger.info("#Flickr : No source feed");
		return response;
	}
	
	PhotosInterface photosInteface = flickr.getPhotosInterface();
	SearchParameters params = new SearchParameters();
	params.setUserId(userID);
	params.setMinUploadDate(dateToRetrieve);
	
	Set<String> extras = new HashSet<String>(Extras.ALL_EXTRAS);
	extras.remove(Extras.MACHINE_TAGS);
	params.setExtras(extras);
	
	while(page<=pages && numberOfRequests<=maxRequests) {
		
		PhotoList<Photo> photos;
		try {
			numberOfRequests++;
			photos = photosInteface.search(params , PER_PAGE, page++);
		} catch (Exception e) {
			break;
		}
		
		pages = photos.getPages();

		if(photos.isEmpty()) {
			break;
		}
	
		for(Photo photo : photos) {

			String userid = photo.getOwner().getId();
			UserAccount streamUser = userMap.get(userid);
			if(streamUser == null) {
				streamUser = getStreamUser(userid);
				userMap.put(userid, streamUser);
			}

			FlickrPost flickrItem = new FlickrPost(photo);
			flickrItem.setLabel(label);
			
			items.add(flickrItem);
		}
	}
	
	response.setPosts(items);
	response.setRequests(numberOfRequests);
	return response;
}
 

import com.flickr4java.flickr.photos.Extras; //导入依赖的package包/类
@Override
	public List<Item> retrieveUserFeeds(SourceFeed feed) {
		
		List<Item> items = new ArrayList<Item>();
		
		long currRunningTime = System.currentTimeMillis();
		
		Date dateToRetrieve = feed.getDateToRetrieve();
		String label = feed.getLabel();
		
		int page=1, pages=1; //pagination
		int numberOfRequests = 0;
		int numberOfResults = 0;
		
		//Here we search the user by the userId given (NSID) - 
		// however we can get NSID via flickrAPI given user's username
		Source source = feed.getSource();
		String userID = source.getId();
		
		if(userID == null) {
			logger.info("#Flickr : No source feed");
			return items;
		}
		
		PhotosInterface photosInteface = flickr.getPhotosInterface();
		SearchParameters params = new SearchParameters();
		params.setUserId(userID);
		params.setMinUploadDate(dateToRetrieve);
		
		Set<String> extras = new HashSet<String>(Extras.ALL_EXTRAS);
		extras.remove(Extras.MACHINE_TAGS);
		params.setExtras(extras);
		
		while(page<=pages && numberOfRequests<=maxRequests && numberOfResults<=maxResults &&
				(System.currentTimeMillis()-currRunningTime)<maxRunningTime) {
			
			PhotoList<Photo> photos;
			try {
				numberOfRequests++;
				photos = photosInteface.search(params , PER_PAGE, page++);
			} catch (Exception e) {
				break;
			}
			
			pages = photos.getPages();
			numberOfResults += photos.size();

			if(photos.isEmpty()) {
				break;
			}
		
			for(Photo photo : photos) {

				String userid = photo.getOwner().getId();
				StreamUser streamUser = userMap.get(userid);
				if(streamUser == null) {
					streamUser = getStreamUser(userid);
					userMap.put(userid, streamUser);
				}

				FlickrItem flickrItem = new FlickrItem(photo, streamUser);
				flickrItem.setList(label);
				
				items.add(flickrItem);
			}
		}
		
		//logger.info("#Flickr : Done retrieving for this session");
//		logger.info("#Flickr : Handler fetched " + items.size() + " photos from " + userID + 
//				" [ " + lastItemDate + " - " + new Date(System.currentTimeMillis()) + " ]");
		
		// The next request will retrieve only items of the last day
		dateToRetrieve = new Date(System.currentTimeMillis() - (24*3600*1000));
		feed.setDateToRetrieve(dateToRetrieve);
		
		return items;
	}
 

import com.flickr4java.flickr.photos.Extras; //导入依赖的package包/类
@Override
public List<Item> retrieveLocationFeeds(LocationFeed feed){
	
	List<Item> items = new ArrayList<Item>();
	
	long currRunningTime = System.currentTimeMillis();
	
	Date dateToRetrieve = feed.getDateToRetrieve();
	String label = feed.getLabel();
	
	Double[][] bbox = feed.getLocation().getbbox();
	
	if(bbox == null || bbox.length==0)
		return items;
	
	int page=1, pages=1;
	int numberOfRequests = 0;
	int numberOfResults = 0;
	
	PhotosInterface photosInteface = flickr.getPhotosInterface();
	SearchParameters params = new SearchParameters();
	params.setBBox(bbox[0][0].toString(), bbox[0][1].toString(), bbox[1][0].toString(), bbox[1][1].toString());
	params.setMinUploadDate(dateToRetrieve);
	
	Set<String> extras = new HashSet<String>(Extras.ALL_EXTRAS);
	extras.remove(Extras.MACHINE_TAGS);
	params.setExtras(extras);
	
	while(page<=pages && numberOfRequests<=maxRequests && numberOfResults<=maxResults &&
			(System.currentTimeMillis()-currRunningTime)<maxRunningTime) {
		
		PhotoList<Photo> photos;
		try {
			photos = photosInteface.search(params , PER_PAGE, page++);
		} catch (FlickrException e) {
			break;
		}
		
		pages = photos.getPages();
		numberOfResults += photos.size();

		if(photos.isEmpty()) {
			break;
		}
	
		for(Photo photo : photos) {

			String userid = photo.getOwner().getId();
			StreamUser streamUser = userMap.get(userid);
			if(streamUser == null) {
				streamUser = getStreamUser(userid);

				userMap.put(userid, streamUser);
			}

			FlickrItem flickrItem = new FlickrItem(photo, streamUser);
			flickrItem.setList(label);
			
			items.add(flickrItem);
		}
	}
	
	logger.info("#Flickr : Handler fetched " + items.size() + " photos "+ 
			" [ " + dateToRetrieve + " - " + new Date(System.currentTimeMillis()) + " ]");
	
	return items;
   }