java.lang.Object
- gov.nih.mipav.model.file.MetadataExtractor.JpegDhtReader

All Implemented Interfaces:

MetadataExtractor.JpegSegmentMetadataReader

Enclosing class:

MetadataExtractor
```
public class MetadataExtractor.JpegDhtReader
extends java.lang.Object
implements MetadataExtractor.JpegSegmentMetadataReader
```
Reader for JPEG Huffman tables, found in the DHT JPEG segment.

Author:

Nadahar

Constructor Summary

Constructors
Constructor Description

JpegDhtReader()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`extract(MetadataExtractor.SequentialReader reader, MetadataExtractor.Metadata metadata)`	Performs the DHT tables extraction, adding found tables to the specified instance of `MetadataExtractor.Metadata`.
`private byte[]`	`getBytes(MetadataExtractor.SequentialReader reader, int count)`
`java.lang.Iterable<MetadataExtractor.JpegSegmentType>`	`getSegmentTypes()`	Gets the set of JPEG segment types that this reader is interested in.
`void`	`readJpegSegments(java.lang.Iterable<byte[]> segments, MetadataExtractor.Metadata metadata, MetadataExtractor.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

- Constructor Detail
  - JpegDhtReader
```
public JpegDhtReader()
```
- Method Detail
  - getSegmentTypes
```
public java.lang.Iterable<MetadataExtractor.JpegSegmentType> getSegmentTypes()
```
    Description copied from interface: MetadataExtractor.JpegSegmentMetadataReader
    
    Gets the set of JPEG segment types that this reader is interested in.
    
    Specified by:
    
    getSegmentTypes in interface MetadataExtractor.JpegSegmentMetadataReader
  - readJpegSegments
```
public void readJpegSegments(java.lang.Iterable<byte[]> segments,
                             MetadataExtractor.Metadata metadata,
                             MetadataExtractor.JpegSegmentType segmentType)
```
    Description copied from interface: MetadataExtractor.JpegSegmentMetadataReader
    
    Extracts metadata from all instances of a particular JPEG segment type.
    
    Specified by:
    
    readJpegSegments in interface MetadataExtractor.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 MetadataExtractor.Metadata object into which extracted values should be merged.
    
    segmentType - The MetadataExtractor.JpegSegmentType being read.
  - extract
```
public void extract(MetadataExtractor.SequentialReader reader,
                    MetadataExtractor.Metadata metadata)
```
    Performs the DHT tables extraction, adding found tables to the specified instance of MetadataExtractor.Metadata.
  - getBytes
```
private byte[] getBytes(MetadataExtractor.SequentialReader reader,
                        int count)
                 throws java.io.IOException
```
    Throws:
    
    java.io.IOException

Class MetadataExtractor.JpegDhtReader

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

JpegDhtReader

Method Detail

getSegmentTypes

readJpegSegments

extract

getBytes