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vorbis: guess YEAR from DATE

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This commit is contained in:
Adrian Ulrich 2016-11-26 19:29:15 +01:00
parent 0af0d35a66
commit 69b9393987
1 changed files with 21 additions and 1 deletions
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22
src/ch/blinkenlights/android/medialibrary/MediaMetadataExtractor.java
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@ -19,8 +19,10 @@ package ch.blinkenlights.android.medialibrary;
import ch.blinkenlights.bastp.Bastp; import ch.blinkenlights.bastp.Bastp;
import android.media.MediaMetadataRetriever; import android.media.MediaMetadataRetriever;
import java.util.HashMap;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.HashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class MediaMetadataExtractor extends HashMap<String, ArrayList<String>> { public class MediaMetadataExtractor extends HashMap<String, ArrayList<String>> {
// Well known tags // Well known tags
@ -39,6 +41,11 @@ public class MediaMetadataExtractor extends HashMap<String, ArrayList<String>> {
public final static String TITLE = "TITLE"; public final static String TITLE = "TITLE";
public final static String YEAR = "YEAR"; public final static String YEAR = "YEAR";
/**
* Regexp used to match a year in a date field
*/
private static final Pattern sExtractYear = Pattern.compile("(\\d{4})");
/** /**
* Constructor for MediaMetadataExtractor * Constructor for MediaMetadataExtractor
* *
@ -131,6 +138,19 @@ public class MediaMetadataExtractor extends HashMap<String, ArrayList<String>> {
put(map[i+1], tags); put(map[i+1], tags);
} }
} }
// Try to guess YEAR from date field if only DATE was specified
// We expect it to match \d{4}
if (containsKey(YEAR) == false && bastp.containsKey("DATE")) {
ArrayList<String> dateList = (ArrayList<String>)bastp.get("DATE");
Matcher dateMatch = sExtractYear.matcher(dateList.get(0));
if (dateMatch.matches()) {
ArrayList<String> year = new ArrayList<String>(1);
year.add(dateMatch.group(1));
this.put(YEAR, year);
}
}
} }
/** /**