com.drew.metadata.photoshop

Class DuckyReader

java.lang.Object

com.drew.metadata.photoshop.DuckyReader

All Implemented Interfaces:

JpegSegmentMetadataReader

public class DuckyReader
extends java.lang.Object
implements JpegSegmentMetadataReader

Reads Photoshop "ducky" segments, created during Save-for-Web.

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	JPEG_SEGMENT_PREAMBLE

Constructor Summary

Constructors

Constructor and Description
DuckyReader()

Method Summary

Modifier and Type	Method and Description
void	extract(SequentialReader reader, Metadata metadata)
java.lang.Iterable<JpegSegmentType>	getSegmentTypes() Gets the set of JPEG segment types that this reader is interested in.
void	readJpegSegments(java.lang.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

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

Field Detail

JPEG_SEGMENT_PREAMBLE

private static final java.lang.String JPEG_SEGMENT_PREAMBLE

See Also:

Constant Field Values

Constructor Detail

DuckyReader

public DuckyReader()

Method Detail

getSegmentTypes

public java.lang.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(java.lang.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,
                    Metadata metadata)