org.eclipse.rdf4j.rio.RDFParserRegistry Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015 Eclipse RDF4J contributors, Aduna, and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Distribution License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*******************************************************************************/
package org.eclipse.rdf4j.rio;
import org.eclipse.rdf4j.common.lang.service.FileFormatServiceRegistry;
/**
* A registry that keeps track of the available {@link RDFParserFactory}s.
*
* @author Arjohn Kampman
*/
public class RDFParserRegistry extends FileFormatServiceRegistry {
/**
* Internal helper class to avoid continuous synchronized checking.
*/
private static class RDFParserRegistryHolder {
public static final RDFParserRegistry instance = new RDFParserRegistry();
}
/**
* Gets the default RDFParserRegistry.
*
* @return The default registry.
*/
public static RDFParserRegistry getInstance() {
return RDFParserRegistryHolder.instance;
}
public RDFParserRegistry() {
super(RDFParserFactory.class);
}
@Override
protected RDFFormat getKey(RDFParserFactory factory) {
return factory.getRDFFormat();
}
}