package io.lumify.imageMetadataHelper;
import com.drew.metadata.Metadata;
import com.drew.metadata.exif.ExifIFD0Directory;
import com.drew.metadata.exif.ExifSubIFDDirectory;
import java.util.Date;
public class DateExtractor {
/**
* Checks the metadata directories in order until the date is found. The first match is returned.
* <p/>
* NOTE: Only the ExifIFD0Directory and ExifSubIFDDirectory directories will be scanned for dates. The other 8
* directories will not be scanned for date and time information yet. (Perhaps implement later).
*/
public static Date getDateDefault(Metadata metadata) {
Date date = null;
ExifIFD0Directory exifDir = metadata.getDirectory(ExifIFD0Directory.class);
if (exifDir != null) {
date = exifDir.getDate(ExifIFD0Directory.TAG_DATETIME);
if (date != null) {
return date;
}
}
ExifSubIFDDirectory subDir = metadata.getDirectory(ExifSubIFDDirectory.class);
if (subDir != null) {
date = subDir.getDate(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL);
if (date != null) {
return date;
}
}
return null;
}
}