org.eclipse.rdf4j.rio.LanguageHandlerRegistry 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.ServiceRegistry;
/**
* Registry of {@link LanguageHandler}s.
*
* @author Peter Ansell
*/
public class LanguageHandlerRegistry extends ServiceRegistry {
/**
* Internal helper class to avoid continuous synchronized checking.
*/
private static class LanguageHandlerRegistryHolder {
public static final LanguageHandlerRegistry instance = new LanguageHandlerRegistry();
}
/**
* Gets the default LanguageHandlerRegistry.
*
* @return The default registry.
*/
public static LanguageHandlerRegistry getInstance() {
return LanguageHandlerRegistryHolder.instance;
}
public LanguageHandlerRegistry() {
super(LanguageHandler.class);
}
@Override
protected String getKey(LanguageHandler handler) {
return handler.getKey();
}
}