List of usage examples for org.apache.commons.imaging.formats.tiff TiffField getDirectoryType
public int getDirectoryType()
From source file:name.hampton.mike.gallery.MetadataExtractor.java
public Map<String, Object> extractImageMetaData(final InputStream inputStream, Map<String, Object> metadataH) throws ImageReadException, IOException { // get all metadata stored in EXIF format (ie. from JPEG or TIFF). final ImageMetadata metadata = Imaging.getMetadata(inputStream, null); if (metadata instanceof JpegImageMetadata) { final JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata; // Jpeg EXIF metadata is stored in a TIFF-based directory structure // and is identified with TIFF tags. // Here we look for the "x resolution" tag, but // we could just as easily search for any other tag. ////from w w w .jav a 2 s .com // see the TiffConstants file for a list of TIFF tags. // out.println("file: " + file.getPath()); JpegPhotoshopMetadata photoshopmetadata = jpegMetadata.getPhotoshop(); metadataH.put("photoshop", photoshopmetadata); BufferedImage thumbnail = jpegMetadata.getEXIFThumbnail(); metadataH.put("hasEXIFThumbnail", null != thumbnail); Map<String, Object> jpegMetadataH = new HashMap<String, Object>(); metadataH.put("jpegMetadata", jpegMetadataH); // print out various interesting EXIF tags. recordTagValue(jpegMetadata, TiffTagConstants.TIFF_TAG_XRESOLUTION, jpegMetadataH); recordTagValue(jpegMetadata, TiffTagConstants.TIFF_TAG_DATE_TIME, jpegMetadataH); recordTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_DATE_TIME_ORIGINAL, jpegMetadataH); recordTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_DATE_TIME_DIGITIZED, jpegMetadataH); recordTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_ISO, jpegMetadataH); recordTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_SHUTTER_SPEED_VALUE, jpegMetadataH); recordTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_APERTURE_VALUE, jpegMetadataH); recordTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_BRIGHTNESS_VALUE, jpegMetadataH); recordTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF, jpegMetadataH); recordTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE, jpegMetadataH); recordTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF, jpegMetadataH); recordTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE, jpegMetadataH); // simple interface to GPS data final TiffImageMetadata exifMetadata = jpegMetadata.getExif(); if (null != exifMetadata) { final TiffImageMetadata.GPSInfo gpsInfo = exifMetadata.getGPS(); if (null != gpsInfo) { final String gpsDescription = gpsInfo.toString(); final double longitude = gpsInfo.getLongitudeAsDegreesEast(); final double latitude = gpsInfo.getLatitudeAsDegreesNorth(); jpegMetadataH.put("GPSDescription", gpsDescription); jpegMetadataH.put("GPSLongitude", longitude); jpegMetadataH.put("GPSLatitude", latitude); } List<TiffField> allFields = exifMetadata.getAllFields(); List<Map<String, Object>> allFieldsL = new ArrayList<Map<String, Object>>(); jpegMetadataH.put("allFields", allFieldsL); if (null != allFields) { for (TiffField field : allFields) { Map<String, Object> fieldH = new HashMap<String, Object>(); allFieldsL.add(fieldH); fieldH.put("fieldType", field.getFieldTypeName()); if (field.getFieldType().equals(FieldType.RATIONAL)) { // These fields format oddly, must be strings fieldH.put("value", field.getValue().toString()); } fieldH.put("descriptionWithoutValue", field.getDescriptionWithoutValue()); fieldH.put("directoryType", field.getDirectoryType()); fieldH.put("tagName", field.getTagName()); fieldH.put("valueDescription", field.getValueDescription()); } } } // more specific example of how to manually access GPS values final TiffField gpsLatitudeRefField = jpegMetadata .findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF); final TiffField gpsLatitudeField = jpegMetadata .findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LATITUDE); final TiffField gpsLongitudeRefField = jpegMetadata .findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF); final TiffField gpsLongitudeField = jpegMetadata .findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LONGITUDE); if (gpsLatitudeRefField != null && gpsLatitudeField != null && gpsLongitudeRefField != null && gpsLongitudeField != null) { // all of these values are strings. final String gpsLatitudeRef = (String) gpsLatitudeRefField.getValue(); final RationalNumber gpsLatitude[] = (RationalNumber[]) (gpsLatitudeField.getValue()); final String gpsLongitudeRef = (String) gpsLongitudeRefField.getValue(); final RationalNumber gpsLongitude[] = (RationalNumber[]) gpsLongitudeField.getValue(); final RationalNumber gpsLatitudeDegrees = gpsLatitude[0]; final RationalNumber gpsLatitudeMinutes = gpsLatitude[1]; final RationalNumber gpsLatitudeSeconds = gpsLatitude[2]; final RationalNumber gpsLongitudeDegrees = gpsLongitude[0]; final RationalNumber gpsLongitudeMinutes = gpsLongitude[1]; final RationalNumber gpsLongitudeSeconds = gpsLongitude[2]; // This will format the gps info like so: // // gpsLatitude: 8 degrees, 40 minutes, 42.2 seconds S // gpsLongitude: 115 degrees, 26 minutes, 21.8 seconds E Map<String, Object> gpsH = new HashMap<String, Object>(); jpegMetadataH.put("gps", gpsH); Map<String, Object> gpsLatitudeH = new HashMap<String, Object>(); Map<String, Object> gpsLongitudeH = new HashMap<String, Object>(); gpsH.put("latitude", gpsLatitudeH); gpsH.put("longitude", gpsLongitudeH); gpsLatitudeH.put("degrees", gpsLatitudeDegrees.toDisplayString()); gpsLatitudeH.put("minutes", gpsLatitudeMinutes.toDisplayString()); gpsLatitudeH.put("seconds", gpsLatitudeSeconds.toDisplayString()); gpsLatitudeH.put("display", gpsLatitudeRef); gpsLongitudeH.put("degrees", gpsLongitudeDegrees.toDisplayString()); gpsLongitudeH.put("minutes", gpsLongitudeMinutes.toDisplayString()); gpsLongitudeH.put("seconds", gpsLongitudeSeconds.toDisplayString()); gpsLongitudeH.put("display", gpsLongitudeRef); } } return metadataH; }