public static Integer readImageOrientation(File imageFile) {
Metadata metadata = null;
try {
metadata = ImageMetadataReader.readMetadata(imageFile);
} catch (Exception e) {
// Any exception here is handled as if image
// format doesn't support EXIF
return null;
}
Directory directory = metadata.getDirectory(ExifIFD0Directory.class);
JpegDirectory jpegDirectory = (JpegDirectory) metadata.getDirectory(JpegDirectory.class);
int orientation = 1;
try {
orientation = directory.getInt(ExifIFD0Directory.TAG_ORIENTATION);
/*int width = jpegDirectory.getImageWidth();
int height = jpegDirectory.getImageHeight();*/
} catch (Exception e) {
Logger.warn("Could not get orientation");
}
return orientation;
}
@Before
public void setUp() throws Exception {
File nikonJpeg = new File("Tests/com/drew/metadata/exif/nikonMakernoteType1.jpg");
Metadata metadata = JpegMetadataReader.readMetadata(nikonJpeg);
_nikonDirectory = metadata.getDirectory(NikonType1MakernoteDirectory.class);
_exifSubIFDDirectory = metadata.getDirectory(ExifSubIFDDirectory.class);
_exifIFD0Directory = metadata.getDirectory(ExifIFD0Directory.class);
_thumbDirectory = metadata.getDirectory(ExifThumbnailDirectory.class);
}
public void testExtractMetadata() throws Exception {
File withExif = new File("Source/com/drew/metadata/exif/test/withExif.jpg");
Metadata metadata = JpegMetadataReader.readMetadata(withExif);
assertTrue(metadata.containsDirectory(ExifDirectory.class));
Directory directory = metadata.getDirectory(ExifDirectory.class);
assertEquals("80", directory.getString(ExifDirectory.TAG_ISO_EQUIVALENT));
}
private static Directory getMetaDirectory(File file) {
try {
Metadata metadata = JpegMetadataReader.readMetadata(file);
return metadata.getDirectory(ExifDirectory.class);
} catch (JpegProcessingException e) {
e.printStackTrace();
}
return null;
}
// ----------------------------------------------------------------------------------------------------
private String _readExifDateStr(File jpegFile) {
try {
Metadata metadata = ImageMetadataReader.readMetadata(jpegFile);
ExifSubIFDDirectory dir = metadata.getDirectory(ExifSubIFDDirectory.class);
Date d = dir.getDate(36868);
return m_sdf.format(d);
} catch (Exception e) {
return "_0000-00-00_";
}
}
// ----------------------------------------------------------------------------------------------------
private long _readExifDate(File jpegFile) {
try {
Metadata metadata = ImageMetadataReader.readMetadata(jpegFile);
ExifSubIFDDirectory dir = metadata.getDirectory(ExifSubIFDDirectory.class);
Date d = dir.getDate(36868);
return d.getTime();
} catch (Exception e) {
return -1;
}
}
/**
* Performs the Exif data extraction, adding found values to the specified instance of <code>
* Metadata</code>.
*/
public Metadata extract(Metadata metadata) {
if (_data == null) {
return metadata;
}
Directory directory = metadata.getDirectory(IptcDirectory.class);
// find start of data
int offset = 0;
try {
while (offset < _data.length - 1 && get32Bits(offset) != 0x1c02) {
offset++;
}
} catch (MetadataException e) {
directory.addError("Couldn't find start of Iptc data (invalid segment)");
return metadata;
}
// for each tag
while (offset < _data.length) {
// identifies start of a tag
if (_data[offset] != 0x1c) {
break;
}
// we need at least five bytes left to read a tag
if ((offset + 5) >= _data.length) {
break;
}
offset++;
int directoryType;
int tagType;
int tagByteCount;
try {
directoryType = _data[offset++];
tagType = _data[offset++];
tagByteCount = get32Bits(offset);
} catch (MetadataException e) {
directory.addError("Iptc data segment ended mid-way through tag descriptor");
return metadata;
}
offset += 2;
if ((offset + tagByteCount) > _data.length) {
directory.addError("data for tag extends beyond end of iptc segment");
break;
}
processTag(directory, directoryType, tagType, offset, tagByteCount);
offset += tagByteCount;
}
return metadata;
}
private void extractMetadata(UploadItem item, Image image) {
InputStream in = null;
try {
in = new FileInputStream(item.getFile());
Metadata metadata = JpegMetadataReader.readMetadata(in);
Directory exifDirectory = metadata.getDirectory(ExifDirectory.class);
Directory jpgDirectory = metadata.getDirectory(JpegDirectory.class);
setupCameraModel(image, exifDirectory);
setupDimensions(image, exifDirectory, jpgDirectory);
setupCreatedDate(image, exifDirectory);
} catch (Exception e) {
addError(item, image, Constants.IMAGE_SAVING_ERROR);
} finally {
try {
in.close();
} catch (IOException e) {
addError(item, image, Constants.IMAGE_SAVING_ERROR);
}
}
}
private void scanPictures(String filePath, boolean shared) {
File file = new File(filePath);
ContentValues values = new ContentValues();
String mime = "image/" + FilenameUtils.getExtension(filePath);
fillCommonValues(values, Constants.FILE_TYPE_PICTURES, filePath, file, mime, shared);
try {
Metadata metadata = ImageMetadataReader.readMetadata(file);
ExifIFD0Directory dir = metadata.getDirectory(ExifIFD0Directory.class);
ExifIFD0Descriptor desc = new ExifIFD0Descriptor(dir);
String title = desc.getWindowsTitleDescription();
if (StringUtils.isNullOrEmpty(title, true)) {
title = FilenameUtils.getBaseName(file.getName());
}
String artist = desc.getWindowsAuthorDescription();
if (StringUtils.isNullOrEmpty(artist, true)) {
artist = dir.getString(ExifIFD0Directory.TAG_ARTIST, "UTF-8");
}
if (StringUtils.isNullOrEmpty(artist, true)) {
artist = "";
}
String album = "";
String year = dir.getString(ExifIFD0Directory.TAG_DATETIME);
if (StringUtils.isNullOrEmpty(year, true)) {
year = "";
}
values.put(Columns.TITLE, title);
values.put(Columns.ARTIST, artist);
values.put(Columns.ALBUM, album);
values.put(Columns.YEAR, year);
} catch (Throwable e) {
String displayName = FilenameUtils.getBaseName(file.getName());
values.put(Columns.TITLE, displayName);
values.put(Columns.ARTIST, "");
values.put(Columns.ALBUM, "");
values.put(Columns.YEAR, "");
}
ShareFilesDB db = ShareFilesDB.intance();
db.insert(values);
}
/* (non-Javadoc)
* @see org.inbio.m3s.dao.multimedia.MetadataExtractorDAO#init(java.lang.String)
*/
public void init(String fileAddress) throws IllegalArgumentException {
logger.info("using the fileAddress: '" + fileAddress + "'");
this.fileAddress = fileAddress;
try {
File jpegFile = new File(fileAddress);
Metadata metadata = JpegMetadataReader.readMetadata(jpegFile);
this.exifDirectory = metadata.getDirectory(ExifDirectory.class);
} catch (JpegProcessingException e) {
e.printStackTrace();
throw new IllegalArgumentException(
"The fileAddress [" + fileAddress + "] doesn't exist. ", e.getCause());
}
}
/**
* Tries to read the orientation data from the given image {@link Metadata}. Returns <code>null
* </code> if not found or if an error occurs.
*/
@Nullable
public static ImageOrientation getOrientation(@Nullable final Metadata metadata) {
if (metadata != null) {
final Directory exifIfd0Directory = metadata.getDirectory(ExifIFD0Directory.class);
if (exifIfd0Directory != null) {
try {
return findById(exifIfd0Directory.getInt(ExifIFD0Directory.TAG_ORIENTATION));
} catch (Exception e) {
LOG.info(
"ImageOrientation.getOrientation(): Exception while trying to read the orientation data from the EXIF. Ignoring and just returning null");
}
}
}
return null;
}
public ImageGeo(String filename) {
try {
error = false;
File jpegFile = new File(filename);
Metadata metadata = JpegMetadataReader.readMetadata(jpegFile);
GpsDirectory gpsdir = (GpsDirectory) metadata.getDirectory(GpsDirectory.class);
Rational latpart[] = gpsdir.getRationalArray(GpsDirectory.TAG_GPS_LATITUDE);
Rational lonpart[] = gpsdir.getRationalArray(GpsDirectory.TAG_GPS_LONGITUDE);
String northing = gpsdir.getString(GpsDirectory.TAG_GPS_LATITUDE_REF);
String easting = gpsdir.getString(GpsDirectory.TAG_GPS_LONGITUDE_REF);
try {
alt = gpsdir.getDouble(GpsDirectory.TAG_GPS_ALTITUDE);
} catch (Exception ex) {
}
double latsign = 1.0d;
if (northing.equalsIgnoreCase("S")) latsign = -1.0d;
double lonsign = 1.0d;
if (easting.equalsIgnoreCase("W")) lonsign = -1.0d;
lat =
(Math.abs(latpart[0].doubleValue())
+ latpart[1].doubleValue() / 60.0d
+ latpart[2].doubleValue() / 3600.0d)
* latsign;
lon =
(Math.abs(lonpart[0].doubleValue())
+ lonpart[1].doubleValue() / 60.0d
+ lonpart[2].doubleValue() / 3600.0d)
* lonsign;
if (Double.isNaN(lat) || Double.isNaN(lon)) error = true;
} catch (Exception ex) {
error = true;
}
System.out.println(filename + ": (" + lat + ", " + lon + ")");
}
protected final Media buildMedia(final MediaUploadBatch context)
throws MediaReaderException, IOException {
final String fileName = getFile().getAbsolutePath();
try {
final Metadata rawMetadata = ImageMetadataReader.readMetadata(getFile());
final ExifThumbnailDirectory thumbnailDirectory =
rawMetadata.getDirectory(ExifThumbnailDirectory.class);
final byte[] thumbnail;
if (thumbnailDirectory != null && thumbnailDirectory.hasThumbnailData()) {
thumbnail = thumbnailDirectory.getThumbnailData();
} else {
thumbnail = new byte[0];
}
final Map<String, Object> metadata = new HashMap<>(rawMetadata.getDirectoryCount());
for (final Directory directory : rawMetadata.getDirectories()) {
copy(directory, metadata);
preProcess(context, directory, metadata);
}
return new Media(getFile(), fileName, context.getTemplate(), metadata, thumbnail);
} catch (final ImageProcessingException e) {
throw new MediaReaderException(e);
}
}
/**
* @param filename
* @return
*/
private HashMap<String, String> extractExifDatas(String filename) {
HashMap<String, String> datas = new HashMap<String, String>();
SimpleDateFormat formatter = new SimpleDateFormat("yyyy_MM_dd_HH'h'mm.ss");
try {
File jpegFile = new File(filename);
Metadata metadata = ImageMetadataReader.readMetadata(jpegFile);
// reading exif
ExifSubIFDDirectory directory = metadata.getDirectory(ExifSubIFDDirectory.class);
if (directory != null) {
Date date = directory.getDate(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL);
if (date != null) {
datas.put("date", formatter.format(date));
}
}
} catch (JpegProcessingException e) {
System.err.println("Problem during datas extraction : " + e.getMessage());
} catch (IOException e) {
System.err.println("Problem during datas extraction" + e.getMessage());
} catch (ImageProcessingException e) {
System.err.println("Problem during datas extraction" + e.getMessage());
}
return datas;
}
/**
* Constructor call with a parameter needed
*
* @param jpegFile
* @throws ImageProcessingException
* @throws IOException
*/
public EXIFMetadataExtractor(File jpegFile) throws ImageProcessingException, IOException {
this.metadata = ImageMetadataReader.readMetadata(jpegFile);
this.directory = (ExifSubIFDDirectory) metadata.getDirectory(ExifSubIFDDirectory.class);
}
/**
* Reads filename and store in private variables
*
* @param filename
* @throws ImageProcessingException
* @throws IOException
*/
public void readImageFile(String filename) throws ImageProcessingException, IOException {
File jpegFile = new File(filename);
this.metadata = ImageMetadataReader.readMetadata(jpegFile);
this.directory = (ExifSubIFDDirectory) metadata.getDirectory(ExifSubIFDDirectory.class);
}
private static void extractExif(ImageEntry e) {
double deg;
double min, sec;
double lon, lat;
Metadata metadata = null;
Directory dir = null;
try {
metadata = JpegMetadataReader.readMetadata(e.getFile());
dir = metadata.getDirectory(GpsDirectory.class);
} catch (CompoundException p) {
e.setExifCoor(null);
e.setPos(null);
return;
}
try {
// longitude
Rational[] components = dir.getRationalArray(GpsDirectory.TAG_GPS_LONGITUDE);
deg = components[0].doubleValue();
min = components[1].doubleValue();
sec = components[2].doubleValue();
if (Double.isNaN(deg) && Double.isNaN(min) && Double.isNaN(sec))
throw new IllegalArgumentException();
lon =
(Double.isNaN(deg)
? 0
: deg
+ (Double.isNaN(min) ? 0 : (min / 60))
+ (Double.isNaN(sec) ? 0 : (sec / 3600)));
if (dir.getString(GpsDirectory.TAG_GPS_LONGITUDE_REF).charAt(0) == 'W') {
lon = -lon;
}
// latitude
components = dir.getRationalArray(GpsDirectory.TAG_GPS_LATITUDE);
deg = components[0].doubleValue();
min = components[1].doubleValue();
sec = components[2].doubleValue();
if (Double.isNaN(deg) && Double.isNaN(min) && Double.isNaN(sec))
throw new IllegalArgumentException();
lat =
(Double.isNaN(deg)
? 0
: deg
+ (Double.isNaN(min) ? 0 : (min / 60))
+ (Double.isNaN(sec) ? 0 : (sec / 3600)));
if (Double.isNaN(lat)) throw new IllegalArgumentException();
if (dir.getString(GpsDirectory.TAG_GPS_LATITUDE_REF).charAt(0) == 'S') {
lat = -lat;
}
// Store values
e.setExifCoor(new LatLon(lat, lon));
e.setPos(e.getExifCoor());
} catch (CompoundException p) {
// Try to read lon/lat as double value (Nonstandard, created by some cameras -> #5220)
try {
Double longitude = dir.getDouble(GpsDirectory.TAG_GPS_LONGITUDE);
Double latitude = dir.getDouble(GpsDirectory.TAG_GPS_LATITUDE);
if (longitude == null || latitude == null) throw new CompoundException("");
// Store values
e.setExifCoor(new LatLon(latitude, longitude));
e.setPos(e.getExifCoor());
} catch (CompoundException ex) {
e.setExifCoor(null);
e.setPos(null);
}
} catch (Exception ex) { // (other exceptions, e.g. #5271)
System.err.println("Error when reading EXIF from file: " + ex);
e.setExifCoor(null);
e.setPos(null);
}
// compass direction value
Rational direction = null;
try {
direction = dir.getRational(GpsDirectory.TAG_GPS_IMG_DIRECTION);
if (direction != null) {
e.setExifImgDir(direction.doubleValue());
}
} catch (Exception ex) { // (CompoundException and other exceptions, e.g. #5271)
// Do nothing
}
}
