Package gov.nih.mipav.model.file
Class MetadataExtractor.JfxxReader
- java.lang.Object
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- gov.nih.mipav.model.file.MetadataExtractor.JfxxReader
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- All Implemented Interfaces:
MetadataExtractor.JpegSegmentMetadataReader,MetadataExtractor.MetadataReader
- Enclosing class:
- MetadataExtractor
public class MetadataExtractor.JfxxReader extends java.lang.Object implements MetadataExtractor.JpegSegmentMetadataReader, MetadataExtractor.MetadataReader
Reader for JFXX (JFIF extensions) data, found in the APP0 JPEG segment.- http://en.wikipedia.org/wiki/JPEG_File_Interchange_Format
- http://www.w3.org/Graphics/JPEG/jfif3.pdf
- Author:
- Drew Noakes
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Field Summary
Fields Modifier and Type Field Description static java.lang.StringPREAMBLE
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Constructor Summary
Constructors Constructor Description JfxxReader()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidextract(MetadataExtractor.RandomAccessReader reader, MetadataExtractor.Metadata metadata)Performs the JFXX data extraction, adding found values to the specified instance ofMetadataExtractor.Metadata.java.lang.Iterable<MetadataExtractor.JpegSegmentType>getSegmentTypes()Gets the set of JPEG segment types that this reader is interested in.voidreadJpegSegments(java.lang.Iterable<byte[]> segments, MetadataExtractor.Metadata metadata, MetadataExtractor.JpegSegmentType segmentType)Extracts metadata from all instances of a particular JPEG segment type.
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Field Detail
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PREAMBLE
public static final java.lang.String PREAMBLE
- See Also:
- Constant Field Values
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Method Detail
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getSegmentTypes
public java.lang.Iterable<MetadataExtractor.JpegSegmentType> getSegmentTypes()
Description copied from interface:MetadataExtractor.JpegSegmentMetadataReaderGets the set of JPEG segment types that this reader is interested in.- Specified by:
getSegmentTypesin interfaceMetadataExtractor.JpegSegmentMetadataReader
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readJpegSegments
public void readJpegSegments(java.lang.Iterable<byte[]> segments, MetadataExtractor.Metadata metadata, MetadataExtractor.JpegSegmentType segmentType)Description copied from interface:MetadataExtractor.JpegSegmentMetadataReaderExtracts metadata from all instances of a particular JPEG segment type.- Specified by:
readJpegSegmentsin interfaceMetadataExtractor.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- TheMetadataExtractor.Metadataobject into which extracted values should be merged.segmentType- TheMetadataExtractor.JpegSegmentTypebeing read.
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extract
public void extract(MetadataExtractor.RandomAccessReader reader, MetadataExtractor.Metadata metadata)
Performs the JFXX data extraction, adding found values to the specified instance ofMetadataExtractor.Metadata.- Specified by:
extractin interfaceMetadataExtractor.MetadataReader- Parameters:
reader- TheMetadataExtractor.RandomAccessReaderfrom which the metadata should be extracted.metadata- TheMetadataExtractor.Metadataobject into which extracted values should be merged.
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