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java.lang.Objectcom.drew.metadata.exif.ExifReader
public class ExifReader
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.
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(byte[] data)
Creates an ExifReader for the given JPEG header segment. |
|
ExifReader(java.io.File file)
Creates an ExifReader for a Jpeg file. |
|
ExifReader(java.io.InputStream is)
Creates an ExifReader for a Jpeg stream. |
|
ExifReader(JpegSegmentData segmentData)
Creates an ExifReader for a JpegSegmentData object. |
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 . |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int TAG_EXIF_OFFSET
public static final int TAG_INTEROP_OFFSET
public static final int TAG_GPS_INFO_OFFSET
public static final int TAG_MAKER_NOTE
public static final int TIFF_HEADER_START_OFFSET
Constructor Detail |
---|
public ExifReader(JpegSegmentData segmentData)
segmentData
- public ExifReader(java.io.File file) throws JpegProcessingException
file
-
JpegProcessingException
public ExifReader(java.io.InputStream is) throws JpegProcessingException
is
- JPEG stream. Stream will be closed.
JpegProcessingException
public ExifReader(byte[] data)
Method Detail |
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public Metadata extract()
Metadata
.
extract
in interface MetadataReader
public Metadata extract(Metadata metadata)
Metadata
.
extract
in interface MetadataReader
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