FileFormatServiceRegistry (RDF4J: common IO 5.0.2 API)

java.lang.Object
- org.eclipse.rdf4j.common.lang.service.ServiceRegistry<FF,S>
- - org.eclipse.rdf4j.common.lang.service.FileFormatServiceRegistry<FF,S>

```
public abstract class FileFormatServiceRegistry<FF extends FileFormat,S>
extends ServiceRegistry<FF,S>
```
A special ServiceRegistry for FileFormat related services. This FileFormat-specific subclass offers some utility methods for matching MIME types and file extensions to the file formats of registered services.

Author:

Arjohn Kampman

Field Summary
- Fields inherited from class org.eclipse.rdf4j.common.lang.service.ServiceRegistry
  logger, services

Constructor Summary

Constructors
Modifier Constructor Description

protected FileFormatServiceRegistry(Class<S> serviceClass)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Optional<FF>`	`getFileFormatForFileName(String fileName)`	Tries to match the extension of a file name against the list of registred file formats.
`Optional<FF>`	`getFileFormatForMIMEType(String mimeType)`	Tries to match a MIME type against the list of registered file formats.

Methods inherited from class org.eclipse.rdf4j.common.lang.service.ServiceRegistry
add, get, getAll, getKey, getKeys, has, remove

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

- Constructor Detail
  - FileFormatServiceRegistry
```
protected FileFormatServiceRegistry(Class<S> serviceClass)
```
- Method Detail
  - getFileFormatForMIMEType
```
public Optional<FF> getFileFormatForMIMEType(String mimeType)
```
    Tries to match a MIME type against the list of registered file formats.
    
    Parameters:
    
    mimeType - A MIME type, e.g. "text/plain".
    
    Returns:
    
    The matching FileFormat, or Optional.empty() if no match was found.
  - getFileFormatForFileName
```
public Optional<FF> getFileFormatForFileName(String fileName)
```
    Tries to match the extension of a file name against the list of registred file formats.
    
    Parameters:
    
    fileName - A file name.
    
    Returns:
    
    The matching FileFormat, or Optional.empty() if no match was found.