Package com.drew.metadata.photoshop

Class PhotoshopReader

java.lang.Object

com.drew.metadata.photoshop.PhotoshopReader

All Implemented Interfaces:

JpegSegmentMetadataReader

public class PhotoshopReader
extends Object
implements JpegSegmentMetadataReader

Reads metadata created by Photoshop and stored in the APPD segment of JPEG files. Note that IPTC data may be stored within this segment, in which case this reader will create both a PhotoshopDirectory and a IptcDirectory.

Author:

Drew Noakes https://drewnoakes.com, Yuri Binev, Payton Garland

Constructor Summary

Constructors

Constructor	Description
PhotoshopReader()

Method Summary

Modifier and Type	Method	Description
void	extract(SequentialReader reader, int length, Metadata metadata)
void	extract(SequentialReader reader, int length, Metadata metadata, Directory parentDirectory)
Iterable<JpegSegmentType>	getSegmentTypes()	Gets the set of JPEG segment types that this reader is interested in.
void	readJpegSegments(Iterable<byte[]> segments, Metadata metadata, JpegSegmentType segmentType)	Extracts metadata from all instances of a particular JPEG segment type.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PhotoshopReader

public PhotoshopReader()

Method Details

getSegmentTypes

public Iterable<JpegSegmentType> getSegmentTypes()

Description copied from interface: JpegSegmentMetadataReader

Gets the set of JPEG segment types that this reader is interested in.

Specified by:

getSegmentTypes in interface JpegSegmentMetadataReader

readJpegSegments

public void readJpegSegments(Iterable<byte[]> segments,
 Metadata metadata,
 JpegSegmentType segmentType)

Description copied from interface: JpegSegmentMetadataReader

Extracts metadata from all instances of a particular JPEG segment type.

Specified by:

readJpegSegments in interface JpegSegmentMetadataReader

Parameters:

segments - A sequence of byte arrays from which the metadata should be extracted. These are in the order encountered in the original file.

metadata - The Metadata object into which extracted values should be merged.

segmentType - The JpegSegmentType being read.

extract

public void extract(SequentialReader reader,
 int length,
 Metadata metadata)

extract

public void extract(SequentialReader reader,
 int length,
 Metadata metadata,
 Directory parentDirectory)