ExifIFD (JHOVE TIFF Module HUL 1.9.2 API)

java.lang.Object
- edu.harvard.hul.ois.jhove.module.tiff.IFD
- - edu.harvard.hul.ois.jhove.module.tiff.ExifIFD

```
public class ExifIFD
extends IFD
```
Encapsulation of a Exif IFD

Field Summary

Fields
Modifier and Type	Field and Description
`protected int`	`_colorSpace`
`protected String`	`_exifVersion`
`protected String`	`_flashpixVersion`
`protected static int`	`APERTUREVALUE` ExifVersion tag.
`protected static int`	`BRIGHTNESSVALUE` ExifVersion tag.
`protected static int`	`CFAPATTERN` ExifVersion tag.
`protected static int`	`COLORSPACE` ExifVersion tag.
`protected static int`	`COMPONENTSCONFIGURATION` ExifVersion tag.
`static String[]`	`COMPONENTSCONFIGURATION_L`
`protected static int`	`COMPRESSEDBITSPERPIXEL` ExifVersion tag.
`protected static int`	`CONTRAST` ExifVersion tag.
`static String[]`	`CONTRAST_L`
`protected static int`	`CUSTOMRENDERED` ExifVersion tag.
`static String[]`	`CUSTOMRENDERED_L`
`protected static int`	`DATETIMEDIGITIZED` ExifVersion tag.
`protected static int`	`DATETIMEORIGINAL` ExifVersion tag.
`protected static int`	`DEVICESETTINGDESCRIPTION` ExifVersion tag.
`protected static int`	`DIGITALZOOMRATIO` ExifVersion tag.
`protected static int`	`EXIFVERSION` ExifVersion tag.
`protected static int`	`EXPOSUREBIASVALUE` ExifVersion tag.
`protected static int`	`EXPOSUREINDEX` ExifVersion tag.
`protected static int`	`EXPOSUREMODE` ExifVersion tag.
`static String[]`	`EXPOSUREMODE_L`
`protected static int`	`EXPOSUREPROGRAM` ExifVersion tag.
`static String[]`	`EXPOSUREPROGRAM_L`
`protected static int`	`EXPOSURETIME` ExifVersion tag.
`protected static int`	`FILESOURCE` ExifVersion tag.
`static String[]`	`FILESOURCE_L`
`protected static int`	`FLASH` ExifVersion tag.
`static int[]`	`FLASH_INDEX`
`static String[]`	`FLASH_L`
`protected static int`	`FLASHENERGY` ExifVersion tag.
`protected static int`	`FLASHPIXVERSION` ExifVersion tag.
`protected static int`	`FNUMBER` ExifVersion tag.
`protected static int`	`FOCALLENGTH` ExifVersion tag.
`protected static int`	`FOCALLENGTHIN35MMFILM` ExifVersion tag.
`protected static int`	`FOCALPLANERESOLUTIONUNIT` ExifVersion tag.
`static String[]`	`FOCALPLANERESOLUTIONUNIT_L`
`protected static int`	`FOCALPLANEXRESOLUTION` ExifVersion tag.
`protected static int`	`FOCALPLANEYRESOLUTION` ExifVersion tag.
`protected static int`	`GAINCONTROL` ExifVersion tag.
`static String[]`	`GAINCONTROL_L`
`protected static int`	`IMAGEUNIQUEID` ExifVersion tag.
`protected static int`	`ISOSPEEDRATINGS` ExifVersion tag.
`protected static int`	`LIGHTSOURCE` ExifVersion tag.
`static int[]`	`LIGHTSOURCE_INDEX`
`static String[]`	`LIGHTSOURCE_L`
`protected static int`	`MAKERNOTE` ExifVersion tag.
`protected static int`	`MAXAPERTUREVALUE` ExifVersion tag.
`protected static int`	`METERINGMODE` ExifVersion tag.
`static int[]`	`METERINGMODE_INDEX`
`static String[]`	`METERINGMODE_L`
`protected static int`	`OECF` ExifVersion tag.
`protected static int`	`PIXELXDIMENSION` ExifVersion tag.
`protected static int`	`PIXELYDIMENSION` ExifVersion tag.
`protected static int`	`RELATEDSOUNDFILE` ExifVersion tag.
`protected static int`	`SATURATION` ExifVersion tag.
`static String[]`	`SATURATION_L`
`protected static int`	`SCENECAPTURETYPE` ExifVersion tag.
`static String[]`	`SCENECAPTURETYPE_L`
`protected static int`	`SCENETYPE` ExifVersion tag.
`static String[]`	`SCENETYPE_L`
`protected static int`	`SENSINGMETHOD` ExifVersion tag.
`static String[]`	`SENSINGMETHOD_L`
`protected static int`	`SHARPNESS` ExifVersion tag.
`static String[]`	`SHARPNESS_L`
`protected static int`	`SHUTTERSPEEDVALUE` ExifVersion tag.
`protected static int`	`SPATIALFREQUENCYRESPONSE` ExifVersion tag.
`protected static int`	`SPECTRALSENSITIVITY` ExifVersion tag.
`protected static int`	`SUBJECTAREA` ExifVersion tag.
`protected static int`	`SUBJECTDISTANCE` ExifVersion tag.
`protected static int`	`SUBJECTDISTANCERANGE` ExifVersion tag.
`static String[]`	`SUBJECTDISTANCERANGE_L`
`protected static int`	`SUBJECTLOCATION` ExifVersion tag.
`protected static int`	`SUBSECTIME` ExifVersion tag.
`protected static int`	`SUBSECTIMEDIGITIZED` ExifVersion tag.
`protected static int`	`SUBSECTIMEORIGINAL` ExifVersion tag.
`protected static int`	`USERCOMMENT` ExifVersion tag.
`protected static int`	`WHITEBALANCE` ExifVersion tag.
`static String[]`	`WHITEBALANCE_L`

Fields inherited from class edu.harvard.hul.ois.jhove.module.tiff.IFD
_bigEndian, _info, _next, _offset, _version, ASCII, BYTE, DOUBLE, EXIF, FLOAT, GLOBALPARAMETERS, GPSINFO, IFD, INTEROPERABILITY, LONG, NULL, RATIONAL, SBYTE, SHORT, SLONG, SRATIONAL, SSHORT, TIFF, TYPE, UNDEFINED

Constructor Summary

Constructors
Constructor and Description

ExifIFD(long offset, RepInfo info, RandomAccessFile raf, boolean bigEndian)
Instantiate an ExifIFD object.

Constructors
Constructor and Description
`ExifIFD(long offset, RepInfo info, RandomAccessFile raf, boolean bigEndian)` Instantiate an `ExifIFD` object.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`List`	`exifProps(Property pHeader)` Extracts and returns the Exif property list from a standard IFD property header.
`int`	`getColorspace()` returns the colorspace value (tag 40961).
`String`	`getExifVersion()` Returns the Exif version string (tag 36864).
`String`	`getFlashpixVersion()` Returns the Flashpix version string (tag 40960).
`NisoImageMetadata`	`getNisoImageMetadata()` Returns the constructed NisoImageMetadata.
`Property`	`getProperty(boolean rawOutput)` Get the IFD properties.
`void`	`lookupTag(int tag, int type, long count, long value)` Lookup an IFD tag.

Methods inherited from class edu.harvard.hul.ois.jhove.module.tiff.IFD
addBitmaskProperty, addIntegerArrayProperty, addIntegerProperty, addIntegerProperty, addRationalArrayProperty, addRationalProperty, average, calcValueSize, checkCount, checkCountArray, checkType, checkType, getErrors, getNext, getOffset, getVersion, isBigEndian, isFirst, isThumbnail, parse, parse, parse, postParseInitialization, propertyHeader, readASCII, readASCIIArray, readByte, readByteArray, readDoubleArray, readLong, readLongArray, readRational, readRationalArray, readShort, readShortArray, readSignedRational, readSignedRationalArray, readSShortArray, readTrueByteArray, readUnsigned, setFirst, setThumbnail

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - EXPOSURETIME
```
protected static final int EXPOSURETIME
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FNUMBER
```
protected static final int FNUMBER
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - EXPOSUREPROGRAM
```
protected static final int EXPOSUREPROGRAM
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SPECTRALSENSITIVITY
```
protected static final int SPECTRALSENSITIVITY
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - ISOSPEEDRATINGS
```
protected static final int ISOSPEEDRATINGS
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - OECF
```
protected static final int OECF
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - EXIFVERSION
```
protected static final int EXIFVERSION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - DATETIMEORIGINAL
```
protected static final int DATETIMEORIGINAL
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - DATETIMEDIGITIZED
```
protected static final int DATETIMEDIGITIZED
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - COMPONENTSCONFIGURATION
```
protected static final int COMPONENTSCONFIGURATION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - COMPRESSEDBITSPERPIXEL
```
protected static final int COMPRESSEDBITSPERPIXEL
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SHUTTERSPEEDVALUE
```
protected static final int SHUTTERSPEEDVALUE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - APERTUREVALUE
```
protected static final int APERTUREVALUE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - BRIGHTNESSVALUE
```
protected static final int BRIGHTNESSVALUE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - EXPOSUREBIASVALUE
```
protected static final int EXPOSUREBIASVALUE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - MAXAPERTUREVALUE
```
protected static final int MAXAPERTUREVALUE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SUBJECTDISTANCE
```
protected static final int SUBJECTDISTANCE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - METERINGMODE
```
protected static final int METERINGMODE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - LIGHTSOURCE
```
protected static final int LIGHTSOURCE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FLASH
```
protected static final int FLASH
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FOCALLENGTH
```
protected static final int FOCALLENGTH
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SUBJECTAREA
```
protected static final int SUBJECTAREA
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - MAKERNOTE
```
protected static final int MAKERNOTE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - USERCOMMENT
```
protected static final int USERCOMMENT
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SUBSECTIME
```
protected static final int SUBSECTIME
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SUBSECTIMEORIGINAL
```
protected static final int SUBSECTIMEORIGINAL
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SUBSECTIMEDIGITIZED
```
protected static final int SUBSECTIMEDIGITIZED
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FLASHPIXVERSION
```
protected static final int FLASHPIXVERSION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - COLORSPACE
```
protected static final int COLORSPACE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - PIXELXDIMENSION
```
protected static final int PIXELXDIMENSION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - PIXELYDIMENSION
```
protected static final int PIXELYDIMENSION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - RELATEDSOUNDFILE
```
protected static final int RELATEDSOUNDFILE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FLASHENERGY
```
protected static final int FLASHENERGY
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SPATIALFREQUENCYRESPONSE
```
protected static final int SPATIALFREQUENCYRESPONSE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FOCALPLANEXRESOLUTION
```
protected static final int FOCALPLANEXRESOLUTION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FOCALPLANEYRESOLUTION
```
protected static final int FOCALPLANEYRESOLUTION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FOCALPLANERESOLUTIONUNIT
```
protected static final int FOCALPLANERESOLUTIONUNIT
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SUBJECTLOCATION
```
protected static final int SUBJECTLOCATION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - EXPOSUREINDEX
```
protected static final int EXPOSUREINDEX
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SENSINGMETHOD
```
protected static final int SENSINGMETHOD
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FILESOURCE
```
protected static final int FILESOURCE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SCENETYPE
```
protected static final int SCENETYPE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - CFAPATTERN
```
protected static final int CFAPATTERN
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - CUSTOMRENDERED
```
protected static final int CUSTOMRENDERED
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - EXPOSUREMODE
```
protected static final int EXPOSUREMODE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - WHITEBALANCE
```
protected static final int WHITEBALANCE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - DIGITALZOOMRATIO
```
protected static final int DIGITALZOOMRATIO
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - FOCALLENGTHIN35MMFILM
```
protected static final int FOCALLENGTHIN35MMFILM
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SCENECAPTURETYPE
```
protected static final int SCENECAPTURETYPE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - GAINCONTROL
```
protected static final int GAINCONTROL
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - CONTRAST
```
protected static final int CONTRAST
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SATURATION
```
protected static final int SATURATION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SHARPNESS
```
protected static final int SHARPNESS
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - DEVICESETTINGDESCRIPTION
```
protected static final int DEVICESETTINGDESCRIPTION
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - SUBJECTDISTANCERANGE
```
protected static final int SUBJECTDISTANCERANGE
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - IMAGEUNIQUEID
```
protected static final int IMAGEUNIQUEID
```
    ExifVersion tag.
    
    See Also:
    
    Constant Field Values
  - COMPONENTSCONFIGURATION_L
```
public static final String[] COMPONENTSCONFIGURATION_L
```
  - CONTRAST_L
```
public static final String[] CONTRAST_L
```
  - CUSTOMRENDERED_L
```
public static final String[] CUSTOMRENDERED_L
```
  - EXPOSUREMODE_L
```
public static final String[] EXPOSUREMODE_L
```
  - EXPOSUREPROGRAM_L
```
public static final String[] EXPOSUREPROGRAM_L
```
  - FILESOURCE_L
```
public static final String[] FILESOURCE_L
```
  - FLASH_L
```
public static final String[] FLASH_L
```
  - FLASH_INDEX
```
public static final int[] FLASH_INDEX
```
  - FOCALPLANERESOLUTIONUNIT_L
```
public static final String[] FOCALPLANERESOLUTIONUNIT_L
```
  - GAINCONTROL_L
```
public static final String[] GAINCONTROL_L
```
  - LIGHTSOURCE_L
```
public static final String[] LIGHTSOURCE_L
```
  - LIGHTSOURCE_INDEX
```
public static final int[] LIGHTSOURCE_INDEX
```
  - METERINGMODE_L
```
public static final String[] METERINGMODE_L
```
  - METERINGMODE_INDEX
```
public static final int[] METERINGMODE_INDEX
```
  - SATURATION_L
```
public static final String[] SATURATION_L
```
  - SCENECAPTURETYPE_L
```
public static final String[] SCENECAPTURETYPE_L
```
  - SCENETYPE_L
```
public static final String[] SCENETYPE_L
```
  - SENSINGMETHOD_L
```
public static final String[] SENSINGMETHOD_L
```
  - SHARPNESS_L
```
public static final String[] SHARPNESS_L
```
  - SUBJECTDISTANCERANGE_L
```
public static final String[] SUBJECTDISTANCERANGE_L
```
  - WHITEBALANCE_L
```
public static final String[] WHITEBALANCE_L
```
  - _colorSpace
```
protected int _colorSpace
```
  - _exifVersion
```
protected String _exifVersion
```
  - _flashpixVersion
```
protected String _flashpixVersion
```
- Constructor Detail
  - ExifIFD
```
public ExifIFD(long offset,
               RepInfo info,
               RandomAccessFile raf,
               boolean bigEndian)
```
    Instantiate an ExifIFD object.
    
    Parameters:
    
    offset - IFD offset
    
    info - the RepInfo object
    
    raf - TIFF file
    
    bigEndian - True if big-endian file
- Method Detail
  - getProperty
```
public Property getProperty(boolean rawOutput)
```
    Get the IFD properties.
    
    Specified by:
    
    getProperty in class IFD
    
    Returns:
    
    Property
  - getExifVersion
```
public String getExifVersion()
```
    Returns the Exif version string (tag 36864).
  - getNisoImageMetadata
```
public NisoImageMetadata getNisoImageMetadata()
```
    Returns the constructed NisoImageMetadata.
  - getFlashpixVersion
```
public String getFlashpixVersion()
```
    Returns the Flashpix version string (tag 40960).
  - getColorspace
```
public int getColorspace()
```
    returns the colorspace value (tag 40961).
  - exifProps
```
public List exifProps(Property pHeader)
```
    Extracts and returns the Exif property list from a standard IFD property header.
  - lookupTag
```
public void lookupTag(int tag,
                      int type,
                      long count,
                      long value)
               throws TiffException
```
    Lookup an IFD tag.
    
    Specified by:
    
    lookupTag in class IFD
    
    Throws:
    
    TiffException

Class ExifIFD

Field Summary

Fields inherited from class edu.harvard.hul.ois.jhove.module.tiff.IFD

Constructor Summary

Method Summary

Methods inherited from class edu.harvard.hul.ois.jhove.module.tiff.IFD

Methods inherited from class java.lang.Object

Field Detail

EXPOSURETIME

FNUMBER

EXPOSUREPROGRAM

SPECTRALSENSITIVITY

ISOSPEEDRATINGS

OECF

EXIFVERSION

DATETIMEORIGINAL

DATETIMEDIGITIZED

COMPONENTSCONFIGURATION

COMPRESSEDBITSPERPIXEL

SHUTTERSPEEDVALUE

APERTUREVALUE

BRIGHTNESSVALUE

EXPOSUREBIASVALUE

MAXAPERTUREVALUE

SUBJECTDISTANCE

METERINGMODE

LIGHTSOURCE

FLASH

FOCALLENGTH

SUBJECTAREA

MAKERNOTE

USERCOMMENT

SUBSECTIME

SUBSECTIMEORIGINAL

SUBSECTIMEDIGITIZED

FLASHPIXVERSION

COLORSPACE

PIXELXDIMENSION

PIXELYDIMENSION

RELATEDSOUNDFILE

FLASHENERGY

SPATIALFREQUENCYRESPONSE

FOCALPLANEXRESOLUTION

FOCALPLANEYRESOLUTION

FOCALPLANERESOLUTIONUNIT

SUBJECTLOCATION

EXPOSUREINDEX

SENSINGMETHOD

FILESOURCE

SCENETYPE

CFAPATTERN

CUSTOMRENDERED

EXPOSUREMODE

WHITEBALANCE

DIGITALZOOMRATIO

FOCALLENGTHIN35MMFILM

SCENECAPTURETYPE

GAINCONTROL

CONTRAST

SATURATION

SHARPNESS

DEVICESETTINGDESCRIPTION

SUBJECTDISTANCERANGE

IMAGEUNIQUEID

COMPONENTSCONFIGURATION_L

CONTRAST_L

CUSTOMRENDERED_L

EXPOSUREMODE_L

EXPOSUREPROGRAM_L

FILESOURCE_L

FLASH_L

FLASH_INDEX

FOCALPLANERESOLUTIONUNIT_L

GAINCONTROL_L

LIGHTSOURCE_L

LIGHTSOURCE_INDEX

METERINGMODE_L

METERINGMODE_INDEX

SATURATION_L

SCENECAPTURETYPE_L