Example usage for org.apache.commons.imaging.formats.tiff.constants ExifTagConstants EXIF_TAG_FLASH

Introduction

In this page you can find the example usage for org.apache.commons.imaging.formats.tiff.constants ExifTagConstants EXIF_TAG_FLASH.

Prototype

TagInfoShort EXIF_TAG_FLASH

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Usage

From source file:at.ac.tuwien.qse.sepm.service.impl.ExifServiceImpl.java

@Override
public Exif getExif(Photo photo) throws ServiceException {
    File file = new File(photo.getPath());
    String exposure = "not available";
    double aperture = 0.0;
    double focalLength = 0.0;
    int iso = 0;//from w  ww  .  j a  v  a2  s .  com
    boolean flash = false;
    String make = "not available";
    String model = "not available";
    double altitude = 0.0;

    try {
        final ImageMetadata metadata = Imaging.getMetadata(file);
        final JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;

        if (jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_EXPOSURE_TIME) != null) {
            exposure = jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_EXPOSURE_TIME)
                    .getValueDescription().split(" ")[0];
        }

        if (jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_APERTURE_VALUE) != null) {
            aperture = jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_APERTURE_VALUE)
                    .getDoubleValue();
        }
        if (jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_FOCAL_LENGTH) != null) {
            focalLength = jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_FOCAL_LENGTH)
                    .getDoubleValue();
        }
        if (jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_ISO) != null) {
            iso = jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_ISO).getIntValue();
        }

        if (jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_FLASH) != null) {
            flash = jpegMetadata.findEXIFValueWithExactMatch(ExifTagConstants.EXIF_TAG_FLASH)
                    .getIntValue() != 0;
        }

        if (jpegMetadata.findEXIFValueWithExactMatch(TiffTagConstants.TIFF_TAG_MAKE) != null) {
            make = jpegMetadata.findEXIFValueWithExactMatch(TiffTagConstants.TIFF_TAG_MAKE)
                    .getValueDescription();
        }
        if (jpegMetadata.findEXIFValueWithExactMatch(TiffTagConstants.TIFF_TAG_MODEL) != null) {
            model = jpegMetadata.findEXIFValueWithExactMatch(TiffTagConstants.TIFF_TAG_MODEL)
                    .getValueDescription();
        }

        if (jpegMetadata.findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_ALTITUDE) != null) {
            altitude = jpegMetadata.findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_ALTITUDE)
                    .getDoubleValue();
        }

        return new Exif(photo.getId(), exposure, aperture, focalLength, iso, flash, make, model, altitude);
    } catch (IOException | ImageReadException e) {
        throw new ServiceException(e.getMessage(), e);
    }
}

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