com.drew.metadata.exif

Class ExifReader

public class ExifReader extends Object implements MetadataReader

Extracts Exif data from a JPEG header segment, providing information about the camera/scanner/capture device (if available). Information is encapsulated in an Metadata object.

Author: Drew Noakes http://drewnoakes.com

Field Summary
static int	TAG_EXIF_OFFSET
static int	TAG_GPS_INFO_OFFSET
static int	TAG_INTEROP_OFFSET
static int	TAG_MAKER_NOTE
static int	TIFF_HEADER_START_OFFSET

Constructor Summary
	ExifReader(JpegSegmentData segmentData) Creates an ExifReader for a JpegSegmentData object.
	ExifReader(File file) Creates an ExifReader for a Jpeg file.
	ExifReader(InputStream is) Creates an ExifReader for a Jpeg stream.
	ExifReader(byte[] data) Creates an ExifReader for the given JPEG header segment.

Method Summary
Metadata	extract() Performs the Exif data extraction, returning a new instance of `Metadata`.
Metadata	extract(Metadata metadata) Performs the Exif data extraction, adding found values to the specified instance of `Metadata`.