TagDescriptor (The Adobe Experience Manager SDK 2022.11.9850.20221116T162329Z-220900)

java.lang.Object
- com.drew.metadata.TagDescriptor<T>

Direct Known Subclasses:

AdobeJpegDescriptor, ExifDescriptorBase, GpsDescriptor, HuffmanTablesDescriptor, IccDescriptor, IptcDescriptor, JfifDescriptor, JpegCommentDescriptor, JpegDescriptor, PanasonicRawDistortionDescriptor, PanasonicRawIFD0Descriptor, PanasonicRawWbInfo2Descriptor, PanasonicRawWbInfoDescriptor, PhotoshopDescriptor, PrintIMDescriptor, PsdHeaderDescriptor, XmpDescriptor
```
public class TagDescriptor<T extends Directory>
extends java.lang.Object
```
Base class for all tag descriptor classes. Implementations are responsible for providing the human-readable string representation of tag values stored in a directory. The directory is provided to the tag descriptor via its constructor.

Constructor Summary

Constructors
Constructor Description

TagDescriptor(T directory)

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`static java.lang.String`	`convertBytesToVersionString(int[] components, int majorDigits)`	Takes a series of 4 bytes from the specified offset, and converts these to a well-known version number, where possible.
`java.lang.String`	`getDescription(int tagType)`	Returns a descriptive value of the specified tag for this image.

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

- Constructor Detail
  - TagDescriptor
```
public TagDescriptor(T directory)
```
- Method Detail
  - getDescription
```
public java.lang.String getDescription(int tagType)
```
    Returns a descriptive value of the specified tag for this image. Where possible, known values will be substituted here in place of the raw tokens actually kept in the metadata segment. If no substitution is available, the value provided by getString(tagType) will be returned.
    
    Parameters:
    
    tagType - the tag to find a description for
    
    Returns:
    
    a description of the image's value for the specified tag, or null if the tag hasn't been defined.
  - convertBytesToVersionString
```
public static java.lang.String convertBytesToVersionString(int[] components,
                                                           int majorDigits)
```
    Takes a series of 4 bytes from the specified offset, and converts these to a well-known version number, where possible.
    Two different formats are processed:
    
    [30 32 31 30] -> 2.10
    
    [0 1 0 0] -> 1.00
    Parameters:
    
    components - the four version values
    
    majorDigits - the number of components to be
    
    Returns:
    
    the version as a string of form "2.10" or null if the argument cannot be converted