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30 package org.openimaj.tools.imagecollection.collection.webpage;
31
32 import java.io.IOException;
33 import java.net.URL;
34 import java.util.Iterator;
35 import java.util.Map;
36 import java.util.Set;
37
38 import org.openimaj.image.ImageUtilities;
39 import org.openimaj.image.MBFImage;
40 import org.openimaj.tools.imagecollection.collection.ImageCollectionEntry;
41 import org.openimaj.tools.imagecollection.collection.ImageCollectionEntrySelection;
42 import org.openimaj.util.pair.IndependentPair;
43
44 public class URLImageIterator implements Iterator<ImageCollectionEntry<MBFImage>> {
45
46 private Iterator<IndependentPair<URL, Map<String, String>>> imageList;
47 private ImageCollectionEntrySelection<MBFImage> selection;
48
49 public URLImageIterator(Set<IndependentPair<URL, Map<String, String>>> imageList2, ImageCollectionEntrySelection<MBFImage> selection) {
50 this.imageList = imageList2.iterator();
51 this.selection = selection;
52 }
53
54 @Override
55 public boolean hasNext() {
56 return imageList.hasNext();
57 }
58
59 @Override
60 public ImageCollectionEntry<MBFImage> next() {
61 IndependentPair<URL, Map<String, String>> urlMeta = imageList.next();
62 URL u = urlMeta.firstObject();
63 try {
64 MBFImage image = ImageUtilities.readMBF(u.openConnection().getInputStream());
65 ImageCollectionEntry<MBFImage> entry = new ImageCollectionEntry<MBFImage>();
66 entry.image = image;
67 entry.meta = urlMeta.secondObject();
68 entry.accepted = true;
69 if(this.selection!=null) entry.accepted = selection.acceptEntry(image);
70 return entry;
71 } catch (IOException e) {
72 }
73 return null;
74 }
75
76 @Override
77 public void remove() {
78 this.imageList.remove();
79 }
80
81 }