XmpReader (metadata-extractor - Javadoc - Extracts Exif, IPTC, XMP, ICC and other metadata from image files)

java.lang.Object
- com.drew.metadata.xmp.XmpReader

All Implemented Interfaces:

JpegSegmentMetadataReader
```
public class XmpReader
extends Object
implements JpegSegmentMetadataReader
```
Extracts XMP data from a JPEG header segment.
The extraction is done with Adobe's XmpCore-Library (XMP-Toolkit) Copyright (c) 1999 - 2007, Adobe Systems Incorporated All rights reserved.

Author:

Torsten Skadell, Drew Noakes https://drewnoakes.com

Field Summary

Fields
Modifier and Type Field and Description

static String XMP_JPEG_PREAMBLE

Fields
Modifier and Type	Field and Description
`static String`	`XMP_JPEG_PREAMBLE`

Constructor Summary

Constructors
Constructor and Description

XmpReader()

Constructors
Constructor and Description
`XmpReader()`

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`extract(byte[] xmpBytes, Metadata metadata)` Performs the XMP data extraction, adding found values to the specified instance of `Metadata`.
`void`	`extract(String xmpString, Metadata metadata)` Performs the XMP data extraction, adding found values to the specified instance of `Metadata`.
`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)` Version specifically for dealing with XMP found in JPEG segments.

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

- Field Detail
  - XMP_JPEG_PREAMBLE
```
public static final String XMP_JPEG_PREAMBLE
```
    See Also:
    Constant Field Values
- Constructor Detail
  - XmpReader
```
public XmpReader()
```
- Method Detail
  - 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)
```
    Version specifically for dealing with XMP found in JPEG segments. This form of XMP has a peculiar preamble, which must be removed before parsing the XML.
    
    Specified by:
    
    readJpegSegments in interface JpegSegmentMetadataReader
    
    Parameters:
    segments - The byte array from which the metadata should be extracted.
    metadata - The Metadata object into which extracted values should be merged.
    segmentType - The JpegSegmentType being read.
  - extract
```
public void extract(byte[] xmpBytes,
           Metadata metadata)
```
    Performs the XMP data extraction, adding found values to the specified instance of Metadata.
    The extraction is done with Adobe's XMPCore library.
  - extract
```
public void extract(String xmpString,
           Metadata metadata)
```
    Performs the XMP data extraction, adding found values to the specified instance of Metadata.
    The extraction is done with Adobe's XMPCore library.

Class XmpReader

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

XMP_JPEG_PREAMBLE

Constructor Detail

XmpReader

Method Detail

getSegmentTypes

readJpegSegments

extract

extract