org.eclipse.rdf4j.common.lang.service

Class FileFormatServiceRegistry<FF extends FileFormat,S>

java.lang.Object

org.eclipse.rdf4j.common.lang.service.ServiceRegistry<FF,S>

org.eclipse.rdf4j.common.lang.service.FileFormatServiceRegistry<FF,S>

Direct Known Subclasses:

BooleanQueryResultParserRegistry, BooleanQueryResultWriterRegistry, RDFParserRegistry, RDFWriterRegistry, TupleQueryResultParserRegistry, TupleQueryResultWriterRegistry

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 and Description
protected	FileFormatServiceRegistry(Class<S> serviceClass)

Method Summary

Modifier and Type	Method and 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.