Java tutorial
package edu.wpi.khufnagle.webimagemanager; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; import org.apache.commons.io.FileUtils; /** * @author Kevin Hufnagle * @date January 22, 2014 * @description Collects and stores geotagged photographs of lighthouses across * New England. Each of these photographs falls under a Creative * Commons license that allows someone other than the photographer * to modify the image. */ // Version history: // // 1/22/14 - Initial release public class WebImageManager { /** * Defines information for the lighthouses, then runs the * photograph-collection process. * @param args Command-line arguments for this program (not used in this * implementation) */ // Auto-boxing done "on the fly" to show progress of downloading images @SuppressWarnings("boxing") public static void main(final String[] args) { final long startTime = System.nanoTime(); System.out.println("***BEGIN PHOTO TRANSFER PROCESS***"); // Add data for lighthouses (next 375 lines or so) final List<LighthouseInfo> lighthouseData = new ArrayList<LighthouseInfo>(); /* * lighthouseData.add(new LighthouseInfo("Statue of Liberty", 40.689348, * -74.044726)); */// Statue of Liberty = 2080 photos w/out restrictions lighthouseData.add(new LighthouseInfo("Portland Head Light", 43.623104, -70.207867)); lighthouseData.add(new LighthouseInfo("Pemaquid Point Light", 43.836970, -69.505997)); lighthouseData.add(new LighthouseInfo("Five Mile Point (New Haven Harbor) Light", 41.248958, -72.903766)); lighthouseData.add(new LighthouseInfo("Cape Neddick (Nubble) Light", 43.165211, -70.591102)); lighthouseData.add(new LighthouseInfo("Portland Breakwater Light", 43.655516, -70.234813)); lighthouseData.add(new LighthouseInfo("Beavertail Light", 41.449368, -71.399372)); lighthouseData.add(new LighthouseInfo("Bass Harbor Head Light", 44.221976, -68.337214)); lighthouseData.add(new LighthouseInfo("Nobska Point Light", 41.515792, -70.655116)); lighthouseData.add(new LighthouseInfo("Spring Point Ledge Light", 43.652108, -70.223922)); lighthouseData.add(new LighthouseInfo("Gay Head Light", 41.348450, -70.834956)); lighthouseData.add(new LighthouseInfo("Derby Wharf Light", 42.516566, -70.883536)); lighthouseData.add(new LighthouseInfo("Rockland Breakwater Light", 44.104006, -69.077453)); lighthouseData.add(new LighthouseInfo("Sandy Neck Light", 41.722647, -70.280927)); lighthouseData.add(new LighthouseInfo("Marblehead Light", 42.505411, -70.833708)); lighthouseData.add(new LighthouseInfo("Portsmouth Harbor Light", 43.071061, -70.708634)); lighthouseData.add(new LighthouseInfo("Highland Light", 42.039122, -70.062025)); lighthouseData.add(new LighthouseInfo("Cape Elizabeth Light", 43.566058, -70.200042)); lighthouseData.add(new LighthouseInfo("Marshall Point Light", 43.917406, -69.261222)); lighthouseData.add(new LighthouseInfo("Chatham Light", 41.671407, -69.949884)); lighthouseData.add(new LighthouseInfo("Block Island Southeast Light", 41.153412, -71.552117)); lighthouseData.add(new LighthouseInfo("Edgartown Light", 41.390863, -70.503057)); lighthouseData.add(new LighthouseInfo("Watch Hill Light", 41.303884, -71.858575)); lighthouseData.add(new LighthouseInfo("Nauset Light", 41.858305, -69.951631)); lighthouseData .add(new LighthouseInfo("Fayerweather Island (Black Rock Harbor) Light", 41.142380, -73.217409)); lighthouseData.add(new LighthouseInfo("Owls Head Light", 44.092138, -69.044105)); lighthouseData.add(new LighthouseInfo("Point Judith Light", 41.361035, -71.481402)); lighthouseData.add(new LighthouseInfo("Sankaty Head Light", 41.284379, -69.966244)); lighthouseData.add(new LighthouseInfo("Eastern Point Light", 42.580229, -70.664537)); lighthouseData.add(new LighthouseInfo("Fort Pickering Light", 42.526473, -70.866465)); lighthouseData.add(new LighthouseInfo("Wood Island Light", 43.456788, -70.328976)); lighthouseData.add(new LighthouseInfo("Stonington Harbor Light", 41.328780, -71.905486)); lighthouseData.add(new LighthouseInfo("West Quoddy Head Light", 44.815073, -66.950742)); lighthouseData.add(new LighthouseInfo("Fort Point Light", 44.467265, -68.811717)); lighthouseData.add(new LighthouseInfo("Annisquam Light", 42.661874, -70.681488)); lighthouseData.add(new LighthouseInfo("Newport Harbor Light", 41.493299, -71.327038)); lighthouseData.add(new LighthouseInfo("Long Point Light", 42.033117, -70.168651)); lighthouseData.add(new LighthouseInfo("Castle Hill Light", 41.462116, -71.362919)); lighthouseData.add(new LighthouseInfo("Brant Point Light", 41.289918, -70.090287)); lighthouseData.add(new LighthouseInfo("Stratford Point Light", 41.151984, -73.103276)); lighthouseData.add(new LighthouseInfo("Boston Light", 42.327925, -70.890101)); lighthouseData.add(new LighthouseInfo("Lynde Point Light", 41.271452, -72.343142)); lighthouseData.add(new LighthouseInfo("Scituate Light", 42.204748, -70.715814)); lighthouseData.add(new LighthouseInfo("Prospect Harbor Light", 44.403285, -68.012922)); lighthouseData.add(new LighthouseInfo("Wood End Light", 42.021223, -70.193502)); lighthouseData.add(new LighthouseInfo("Rose Island Light", 41.495477, -71.342742)); lighthouseData.add(new LighthouseInfo("Saybrook Breakwater Light", 41.263158, -72.342813)); lighthouseData.add(new LighthouseInfo("Great Point Light", 41.390096, -70.048234)); lighthouseData.add(new LighthouseInfo("Cape Poge Light", 41.418798, -70.451923)); lighthouseData.add(new LighthouseInfo("Monhegan Light", 43.764779, -69.316204)); lighthouseData.add(new LighthouseInfo("Hendricks Head Light", 43.822589, -69.689761)); lighthouseData.add(new LighthouseInfo("Egg Rock Light", 44.354050, -68.138166)); lighthouseData.add(new LighthouseInfo("New London Ledge Light", 41.305826, -72.077448)); lighthouseData.add(new LighthouseInfo("Avery Point Lighthouse", 41.315245, -72.063579)); lighthouseData.add(new LighthouseInfo("Palmers Island Light", 41.626936, -70.909109)); lighthouseData.add(new LighthouseInfo("Cuckolds Light", 43.779663, -69.649982)); lighthouseData.add(new LighthouseInfo("Gull Rocks Light", 41.502451, -71.333140)); lighthouseData.add(new LighthouseInfo("Goat Island Light", 43.357826, -70.425109)); lighthouseData.add(new LighthouseInfo("East Chop Light", 41.470245, -70.567439)); lighthouseData.add(new LighthouseInfo("Neds Point Light", 41.650859, -70.795638)); lighthouseData.add(new LighthouseInfo("Sakonnet Point Light", 41.453090, -71.202382)); lighthouseData.add(new LighthouseInfo("Narrows (Bug) Light", 42.323137, -70.919158)); lighthouseData.add(new LighthouseInfo("Plum Island Light", 42.815119, -70.818981)); lighthouseData.add(new LighthouseInfo("Block Island North Light", 41.227639, -71.575811)); lighthouseData.add(new LighthouseInfo("Mount Desert Rock Light", 43.968582, -68.128306)); lighthouseData.add(new LighthouseInfo("Duxbury Pier Light", 41.987375, -70.648498)); lighthouseData.add(new LighthouseInfo("Long Island Head Light", 42.330197, -70.957712)); lighthouseData.add(new LighthouseInfo("Prudence Island Light", 41.605881, -71.303535)); lighthouseData.add(new LighthouseInfo("Plum Beach Light", 41.530248, -71.405202)); lighthouseData.add(new LighthouseInfo("Doubling Point Light", 43.882503, -69.806792)); lighthouseData.add(new LighthouseInfo("Dice Head Light", 44.382732, -68.819022)); lighthouseData.add(new LighthouseInfo("Ram Island Ledge Light", 43.631457, -70.187366)); lighthouseData.add(new LighthouseInfo("New London Harbor Light", 41.316619, -72.089743)); lighthouseData.add(new LighthouseInfo("Lime Rock Light", 41.477536, -71.325924)); lighthouseData.add(new LighthouseInfo("Ten Pound Island Light", 42.601865, -70.665556)); lighthouseData.add(new LighthouseInfo("Bristol Ferry Light", 41.642842, -71.260319)); lighthouseData.add(new LighthouseInfo("Musselbed Shoals Light", 41.636261, -71.259958)); lighthouseData.add(new LighthouseInfo("Conimicut Light", 41.716969, -71.345106)); lighthouseData.add(new LighthouseInfo("Tongue Point Light", 41.166590, -73.177497)); lighthouseData.add(new LighthouseInfo("Bass River Light", 41.651746, -70.169473)); lighthouseData.add(new LighthouseInfo("Hospital Point Light", 42.546413, -70.856164)); lighthouseData.add(new LighthouseInfo("Newburyport Range Light", 42.811524, -70.864838)); lighthouseData.add(new LighthouseInfo("Dutch Island Light", 41.496702, -71.404299)); lighthouseData.add(new LighthouseInfo("Heron Neck Light", 44.025216, -68.861966)); lighthouseData.add(new LighthouseInfo("Pumpkin Island Light", 44.309166, -68.742876)); lighthouseData.add(new LighthouseInfo("Whaleback Light", 43.058744, -70.696306)); lighthouseData.add(new LighthouseInfo("Hyannis Harbor Light", 41.636267, -70.288439)); lighthouseData.add(new LighthouseInfo("Stage Harbor Light", 41.658692, -69.983689)); lighthouseData.add(new LighthouseInfo("Lovells Island Range Light", 42.332440, -70.930214)); lighthouseData.add(new LighthouseInfo("Hog Island Shoal Light", 41.632338, -71.273198)); lighthouseData.add(new LighthouseInfo("Ram Island Light", 43.803935, -69.599349)); lighthouseData.add(new LighthouseInfo("Bridgeport Harbor Light", 41.156718, -73.179950)); lighthouseData.add(new LighthouseInfo("Straitsmouth Island Light", 42.662236, -70.588157)); lighthouseData.add(new LighthouseInfo("Squirrel Point Light", 43.816520, -69.802402)); lighthouseData.add(new LighthouseInfo("Mayos Beach Light", 41.930755, -70.032097)); lighthouseData.add(new LighthouseInfo("Race Point Light", 42.062314, -70.243084)); lighthouseData.add(new LighthouseInfo("Point Gammon Light", 41.609647, -70.266196)); lighthouseData.add(new LighthouseInfo("Wings Neck Light", 41.680235, -70.661250)); lighthouseData.add(new LighthouseInfo("West Chop Light", 41.480806, -70.599796)); lighthouseData.add(new LighthouseInfo("Bird Island Light", 41.669295, -70.717341)); lighthouseData.add(new LighthouseInfo("Clarks Point Light", 41.593176, -70.901416)); lighthouseData.add(new LighthouseInfo("Thacher Island Light", 42.639168, -70.574759)); lighthouseData.add(new LighthouseInfo("White Island Light", 42.967228, -70.623249)); lighthouseData.add(new LighthouseInfo("Wickford Harbor Light", 41.572618, -71.436831)); lighthouseData.add(new LighthouseInfo("Whale Rock Light", 41.444597, -71.423584)); lighthouseData.add(new LighthouseInfo("Burnt Island Light", 43.825133, -69.640262)); lighthouseData.add(new LighthouseInfo("Rockland Harbor Southwest Light", 44.082720, -69.096310)); lighthouseData.add(new LighthouseInfo("Saddleback Ledge Light", 44.014232, -68.726461)); lighthouseData.add(new LighthouseInfo("Grindle Point Light", 44.281451, -68.942967)); lighthouseData.add(new LighthouseInfo("Winter Harbor Light", 44.361421, -68.087742)); lighthouseData.add(new LighthouseInfo("Peck's Ledge Light", 41.077298, -73.369811)); lighthouseData.add(new LighthouseInfo("Sheffield Island Light", 41.048251, -73.419931)); lighthouseData.add(new LighthouseInfo("Whitlocks Mill Light", 45.162793, -67.227395)); lighthouseData.add(new LighthouseInfo("Boon Island Light", 43.121183, -70.475845)); lighthouseData.add(new LighthouseInfo("Southwest Ledge Light", 41.234443, -72.912092)); lighthouseData.add(new LighthouseInfo("Broad Sound Channel Inner Range Light", 42.326933, -70.984649)); lighthouseData.add(new LighthouseInfo("Spectacle Island Light", 42.326898, -70.984772)); lighthouseData.add(new LighthouseInfo("Deer Island Light", 42.339836, -70.954525)); lighthouseData.add(new LighthouseInfo("Nayatt Point Light", 41.725120, -71.338926)); lighthouseData.add(new LighthouseInfo("Doubling Point Range Lights", 43.882860, -69.795652)); lighthouseData.add(new LighthouseInfo("Burkehaven Light", 43.371669, -72.065869)); lighthouseData.add(new LighthouseInfo("Loon Island Light", 43.392123, -72.059977)); lighthouseData.add(new LighthouseInfo("Curtis Island Light", 44.201372, -69.048865)); lighthouseData.add(new LighthouseInfo("Butler Flats Light", 41.603775, -70.894556)); lighthouseData.add(new LighthouseInfo("Graves Light", 42.365098, -70.869191)); lighthouseData.add(new LighthouseInfo("Stamford Harbor Light", 41.013643, -73.542577)); lighthouseData.add(new LighthouseInfo("Billingsgate Light", 41.871624, -70.068982)); lighthouseData.add(new LighthouseInfo("Monomoy Point Light", 41.559310, -69.993650)); lighthouseData.add(new LighthouseInfo("Bishop & Clerks Light", 41.574154, -70.249963)); lighthouseData.add(new LighthouseInfo("Plymouth Light", 42.003737, -70.600565)); lighthouseData.add(new LighthouseInfo("Cleveland Ledge Light", 41.630927, -70.694201)); lighthouseData.add(new LighthouseInfo("Tarpaulin Cove Light", 41.468822, -70.757514)); lighthouseData.add(new LighthouseInfo("Minots Ledge Light", 42.269678, -70.759136)); lighthouseData.add(new LighthouseInfo("Dumpling Rock Light", 41.538167, -70.921427)); lighthouseData.add(new LighthouseInfo("Bakers Island Light", 42.536470, -70.785995)); lighthouseData.add(new LighthouseInfo("Cuttyhunk Light", 41.414391, -70.949558)); lighthouseData.add(new LighthouseInfo("Egg Rock Light", 42.433346, -70.897386)); lighthouseData.add(new LighthouseInfo("Ipswich Range Light", 42.685360, -70.766128)); lighthouseData.add(new LighthouseInfo("Borden Flats Light", 41.704450, -71.174395)); lighthouseData.add(new LighthouseInfo("Bullocks Point Light", 41.737740, -71.364179)); lighthouseData.add(new LighthouseInfo("Pomham Rocks Light", 41.777618, -71.369594)); lighthouseData.add(new LighthouseInfo("Sabin Point Light", 41.762010, -71.374234)); lighthouseData.add(new LighthouseInfo("Fuller Rock Light", 41.794055, -71.379720)); lighthouseData.add(new LighthouseInfo("Gould Island Light", 41.537826, -71.344804)); lighthouseData.add(new LighthouseInfo("Warwick Light", 41.667111, -71.378413)); lighthouseData.add(new LighthouseInfo("Sassafras Point Light", 41.802496, -71.390272)); lighthouseData.add(new LighthouseInfo("Conanicut Light", 41.573484, -71.371767)); lighthouseData.add(new LighthouseInfo("Poplar Point Light", 41.571053, -71.439189)); lighthouseData.add(new LighthouseInfo("Halfway Rock Light", 43.655873, -70.037402)); lighthouseData.add(new LighthouseInfo("Seguin Island Light", 43.707554, -69.758118)); lighthouseData.add(new LighthouseInfo("Pond Island Light", 43.740031, -69.770273)); lighthouseData.add(new LighthouseInfo("Perkins Island Light", 43.786764, -69.785256)); lighthouseData.add(new LighthouseInfo("Latimer Reef Light", 41.304503, -71.933292)); lighthouseData.add(new LighthouseInfo("Morgan Point Light", 41.316669, -71.989327)); lighthouseData.add(new LighthouseInfo("Franklin Island Light", 43.892184, -69.374842)); lighthouseData.add(new LighthouseInfo("Matinicus Rock Light", 43.783605, -68.854898)); lighthouseData.add(new LighthouseInfo("Tenants Harbor Light", 43.961107, -69.184877)); lighthouseData.add(new LighthouseInfo("Whitehead Light", 43.978706, -69.124285)); lighthouseData.add(new LighthouseInfo("Two Bush Island Light", 43.964239, -69.073942)); lighthouseData.add(new LighthouseInfo("Indian Island Light", 44.165470, -69.061004)); lighthouseData.add(new LighthouseInfo("Browns Head Light", 44.111774, -68.909482)); lighthouseData.add(new LighthouseInfo("Goose Rocks Light", 44.135394, -68.830526)); lighthouseData.add(new LighthouseInfo("Sperry Light", 41.221221, -72.423110)); lighthouseData.add(new LighthouseInfo("Isle au Haut Light", 44.064733, -68.651339)); lighthouseData.add(new LighthouseInfo("Deer Island Thorofare Light", 44.134338, -68.703202)); lighthouseData.add(new LighthouseInfo("Herrick Cove Light", 43.411136, -72.041706)); lighthouseData.add(new LighthouseInfo("Eagle Island Light", 44.217634, -68.767743)); lighthouseData.add(new LighthouseInfo("Burnt Coat Harbor Light", 44.134176, -68.447258)); lighthouseData.add(new LighthouseInfo("Faulkner's Island Light", 41.211612, -72.655088)); lighthouseData.add(new LighthouseInfo("Blue Hill Bay Light", 44.248746, -68.497880)); lighthouseData.add(new LighthouseInfo("Great Duck Island Light", 44.142193, -68.245836)); lighthouseData.add(new LighthouseInfo("Bear Island Light", 44.283485, -68.269858)); lighthouseData.add(new LighthouseInfo("Baker Island Light", 44.241266, -68.198923)); lighthouseData.add(new LighthouseInfo("Crabtree Ledge Light", 44.475613, -68.199383)); lighthouseData.add(new LighthouseInfo("Statford Shoal Light", 41.059557, -73.101394)); lighthouseData.add(new LighthouseInfo("Petit Manan Light", 44.367574, -67.864129)); lighthouseData.add(new LighthouseInfo("Penfield Reef Light", 41.117101, -73.222070)); lighthouseData.add(new LighthouseInfo("Narraguagus Light", 44.462467, -67.837844)); lighthouseData.add(new LighthouseInfo("Nash Island Light", 44.464305, -67.747299)); lighthouseData.add(new LighthouseInfo("Moose Peak Light", 44.474244, -67.533471)); lighthouseData.add(new LighthouseInfo("Green's Ledge Light", 41.041551, -73.443974)); lighthouseData.add(new LighthouseInfo("Libby Island Light", 44.568236, -67.367339)); lighthouseData.add(new LighthouseInfo("Great Captain Island Light", 40.982478, -73.623706)); lighthouseData.add(new LighthouseInfo("Avery Rock Light", 44.654358, -67.344137)); lighthouseData.add(new LighthouseInfo("Little River Light", 44.650873, -67.192325)); lighthouseData.add(new LighthouseInfo("Lubec Channel Light", 44.841955, -66.976731)); lighthouseData.add(new LighthouseInfo("St. Croix River Light", 45.128762, -67.133594)); /* * "Clean out" photo directories before beginning photo transfer process. */ final File photosDir = new File("photos"); final File[] photoLighthouseDirsToDelete = photosDir.listFiles(); if (photoLighthouseDirsToDelete != null) { for (final File photoLighthouseDir : photoLighthouseDirsToDelete) { // Use Apache Commons IO (again) to recursively delete the directory // and all of the files within it if (photoLighthouseDir.exists() && photoLighthouseDir.isDirectory()) { try { FileUtils.deleteDirectory(photoLighthouseDir); System.out.println("Deleted directory \"" + photoLighthouseDir + "\" successfully."); } catch (final IOException ioe) { System.err.println( "Could not delete directory: \"" + photoLighthouseDir + "\" successfully!"); } } } } // Keep track of elapsed time long estimatedTime = System.nanoTime() - startTime; String elapsedTime = WebImageManager.calculateElapsedTime(estimatedTime); System.out.println("Estimated elapsed time: " + elapsedTime + "."); System.out.println(); /* * Keep track of total number of photographs transferred from Flickr * websites to disks across _all_ lighthouses */ int totalNumPhotosTransferred = 0; /* * Keep track of total number of photographs that _should_ be transferred * from Flickr for _all_ lighthouses */ int totalNumPhotos = 0; for (final LighthouseInfo lighthousePieceOfData : lighthouseData) { System.out.println("Processing photos of " + lighthousePieceOfData.getName() + "..."); /* * URL for accessing Flickr APIs. For a given lighthouse, this URL * provides an XML file in response that lists information about every * geotagged, Creative Commons-enabled photograph for that lighthouse * on Flickr. */ // GET Parameter Explanation: // method - Use the "search photos" method for the Flickr APIs // // api_key - A unique key that I use to get the results // // text - Find all lighthouses whose title, tags, or description // contains the word "lighthouse" // // license - Find all photos with a Creative Commons license _except_ // those that do not allow for modification on my part // // content_type - Find photos only (no videos) // // has_geo - Implicitly set to true; implies that all photos are // geotagged // // lat - The latitude of the center of the "search circle" // // lon - The longitude of the center of the "search circle" // // radius - The radius of the "search circle," in _kilometers_ (NOT // miles) // // extras - Also include a URL to the "raw" photo (small version) final String inputURLText = "http://ycpi.api.flickr.com/services/rest/?" + "method=flickr.photos.search" + "&api_key=3ea8366b020383eb91f170c6f41748f5" + "&text=lighthouse" + "&license=1,2,4,5,7" + "&content_type=1" + "&has_geo" + "&lat=" + lighthousePieceOfData.getLatitude() + "&lon=" + lighthousePieceOfData.getLongitude() + "&radius=1" + "&extras=url_s"; // Output file where XML web response will be stored temporarily final String outputFileName = "output.xml"; /* * Convert the name of the lighthouse to a "computer friendly" version * with all lower-case letters and underscores replacing spaces, * apostrophes, and parenthesis */ String lighthouseName = lighthousePieceOfData.getName(); lighthouseName = lighthouseName.toLowerCase(); lighthouseName = lighthouseName.replace(' ', '_'); lighthouseName = lighthouseName.replace('\'', '_'); lighthouseName = lighthouseName.replace('(', '_'); lighthouseName = lighthouseName.replace(')', '_'); // Will contain the textual links to each "raw" photo website Set<String> rawPhotoURLs = new HashSet<String>(); // Make sure file for XML output does not exist at first // (don't want to use an old, incorrect version accidentally) final File outputXMLFile = new File(outputFileName); if (outputXMLFile.exists()) { outputXMLFile.delete(); } System.out.println("Cleaned output XML file containing photo URLs on disk successfully."); /* * Access the list of photographs for a given lighthouse and copy them * to the XML file on disk */ final WebDataExtractor extractor = new WebDataExtractor(inputURLText, outputFileName); System.out.println("Looking for XML file containing lighthosue photo information..."); extractor.transferURLToFile(); System.out.println("Found XML file containing lighthouse photo URLs."); /* * Object for extracting the "raw" URLs from each piece of photo data * in the XML file */ final XMLParser parser = new FlickrXMLOutputParser(outputFileName); // Complete the extraction process rawPhotoURLs = parser.parseFile("//photo/@url_s"); final int numPhotos = rawPhotoURLs.size(); totalNumPhotos += numPhotos; int i = 0; // Counter for keeping track of progress /* * Keep track of photos transferred successfully (which might be less * than the total number of photos defined int the XML output from * Flickr, especially if connection issues occur */ int numPhotosTransferred = 0; for (final String photoURL : rawPhotoURLs) { System.out.print("Transferring photos..."); i++; /* * Go to a website containing a "raw" JPEG image file and save it * accordingly on disk in the photo folder corresponding to the * lighthouse name */ final WebDataExtractor rawPhotoExtractor = new WebDataExtractor(photoURL, "photos/" + lighthouseName + "/lighthouse_photo_" + Integer.toString(i) + ".jpg"); final boolean transferSuccessful = rawPhotoExtractor.transferURLToFile(); if (transferSuccessful) { numPhotosTransferred++; } // Simple progress tracker System.out.printf("%d of %d (%.1f%%) complete.\n", i, numPhotos, i * 1.0 / numPhotos * 100.0); } // Indicate number of photos successfully transferred to disk if (numPhotosTransferred == numPhotos && numPhotos > 0) { System.out.println("All photos transferred to disk successfully!"); } else if (numPhotos == 0) { System.out.println("It appears there are no photos available for this lighthouse..."); } else if (numPhotosTransferred == 1 && numPhotos > 1) { System.out.println("1 photo transferred to disk successfully."); } else if (numPhotosTransferred == 1 && numPhotos == 1) { System.out.println("The photo transferred to disk successfully!"); } else { System.out.println(numPhotosTransferred + " photos transferred to disk successfully."); } // Keep track of elapsed time estimatedTime = System.nanoTime() - startTime; elapsedTime = WebImageManager.calculateElapsedTime(estimatedTime); System.out.println("Estimated elapsed time: " + elapsedTime + "."); // Add extra line in between lighthouses in output stream System.out.println(); /* * Keep track of total number of photos transferred so far across * _all_lighthouses */ totalNumPhotosTransferred += numPhotosTransferred; } // Display "grand" total (which is hopefully greater than 0) System.out.println("***GRAND TOTAL: " + totalNumPhotosTransferred + " OF " + totalNumPhotos + " PHOTOS TRANSFERRED SUCCESSFULLY***"); estimatedTime = System.nanoTime() - startTime; elapsedTime = WebImageManager.calculateElapsedTime(estimatedTime); System.out.println("TOTAL ELAPSED TIME: " + elapsedTime.toUpperCase()); } private static String calculateElapsedTime(final long estimatedTime) { String output = ""; final double numSecondsPrecise = estimatedTime / 1000000000.0; int numSeconds = (int) (numSecondsPrecise + 0.5); int numMinutes = 0; numMinutes = numSeconds / 60; numSeconds = numSeconds % 60; if (numMinutes > 0) { if (numMinutes == 1) { output = output.concat("1 minute"); } else { output = output.concat(numMinutes + " minutes"); } } // At "even" minute markers (exactly 2 minutes), don't record seconds // value if (numMinutes == 0 || numMinutes > 0 && numSeconds != 0) { if (numSeconds == 1) { output = output.concat(" 1 second"); } else { output = output.concat(" " + numSeconds + " seconds"); } } return output; } }