blob: 80e66993939f1db60380c98e0b841b03fa12858f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
package de.danoeh.antennapod.core.feed;
import android.text.TextUtils;
import android.util.Log;
import androidx.annotation.Nullable;
import de.danoeh.antennapod.model.feed.Chapter;
import java.util.List;
public class ChapterMerger {
private static final String TAG = "ChapterMerger";
private ChapterMerger() {
}
/**
* This method might modify the input data.
*/
@Nullable
public static List<Chapter> merge(@Nullable List<Chapter> chapters1, @Nullable List<Chapter> chapters2) {
Log.d(TAG, "Merging chapters");
if (chapters1 == null) {
return chapters2;
} else if (chapters2 == null) {
return chapters1;
} else if (chapters2.size() > chapters1.size()) {
return chapters2;
} else if (chapters2.size() < chapters1.size()) {
return chapters1;
} else {
// Merge chapter lists of same length. Store in chapters2 array.
// In case the lists can not be merged, return chapters1 array.
for (int i = 0; i < chapters2.size(); i++) {
Chapter chapterTarget = chapters2.get(i);
Chapter chapterOther = chapters1.get(i);
if (Math.abs(chapterTarget.getStart() - chapterOther.getStart()) > 1000) {
Log.e(TAG, "Chapter lists are too different. Cancelling merge.");
return chapters1;
}
if (TextUtils.isEmpty(chapterTarget.getImageUrl())) {
chapterTarget.setImageUrl(chapterOther.getImageUrl());
}
if (TextUtils.isEmpty(chapterTarget.getLink())) {
chapterTarget.setLink(chapterOther.getLink());
}
if (TextUtils.isEmpty(chapterTarget.getTitle())) {
chapterTarget.setTitle(chapterOther.getTitle());
}
}
return chapters2;
}
}
}
|
