Java Code Examples for com.drew.metadata.exif.GpsDirectory

The following examples show how to use com.drew.metadata.exif.GpsDirectory. These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: cineast   Source File: GpsData.java    License: MIT License 5 votes vote down vote up
/**
 * Extracts the GPS data from the given file by reading the available Exif data. In particular,
 * latitude, longitude, date and time stamp are read from the file.
 *
 * @param file file to extract exif data from
 * @return an object containing the extracted information, if available, otherwise an empty
 * object.
 */
public static GpsData ofExif(Path file) {
  GpsDirectory gps = MetadataUtil.getMetadataDirectoryOfType(file, GpsDirectory.class);
  if (gps == null) {
    return ofData(null, null);
  }
  Location location = Location.of(gps.getGeoLocation());
  Instant instant = gps.getGpsDate().toInstant();
  return ofData(location, instant);
}
 
Example 2
Source Project: Bats   Source File: ImageRecordReader.java    License: Apache License 2.0 4 votes vote down vote up
private void processDirectory(final MapWriter writer, final Directory directory, final Metadata metadata) {
  for (Tag tag : directory.getTags()) {
    try {
      final int tagType = tag.getTagType();
      Object value;
      if (descriptive || isDescriptionTag(directory, tagType)) {
        value = directory.getDescription(tagType);
        if (directory instanceof PngDirectory) {
          if (((PngDirectory) directory).getPngChunkType().areMultipleAllowed()) {
            value = new String[] { (String) value };
          }
        }
      } else {
        value = directory.getObject(tagType);
        if (directory instanceof ExifIFD0Directory && tagType == ExifIFD0Directory.TAG_DATETIME) {
          ExifSubIFDDirectory exifSubIFDDir = metadata.getFirstDirectoryOfType(ExifSubIFDDirectory.class);
          String subsecond = null;
          if (exifSubIFDDir != null) {
            subsecond = exifSubIFDDir.getString(ExifSubIFDDirectory.TAG_SUBSECOND_TIME);
          }
          value = directory.getDate(tagType, subsecond, timeZone);
        } else if (directory instanceof ExifSubIFDDirectory) {
          if (tagType == ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL) {
            value = ((ExifSubIFDDirectory) directory).getDateOriginal(timeZone);
          } else if (tagType == ExifSubIFDDirectory.TAG_DATETIME_DIGITIZED) {
            value = ((ExifSubIFDDirectory) directory).getDateDigitized(timeZone);
          }
        } else if (directory instanceof GpsDirectory) {
          if (tagType == GpsDirectory.TAG_LATITUDE) {
            value = ((GpsDirectory) directory).getGeoLocation().getLatitude();
          } else if (tagType == GpsDirectory.TAG_LONGITUDE) {
            value = ((GpsDirectory) directory).getGeoLocation().getLongitude();
          }
        }
        if (isVersionTag(directory, tagType)) {
          value = directory.getString(tagType, "US-ASCII");
        } else if (isDateTag(directory, tagType)) {
          value = directory.getDate(tagType, timeZone);
        }
      }
      writeValue(writer, formatName(tag.getTagName()), value);
    } catch (Exception e) {
      // simply skip this tag
    }
  }
}