org.topbraid.shacl.rules.RuleLanguages Maven / Gradle / Ivy
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership.
*/
package org.topbraid.shacl.rules;
import java.util.HashMap;
import java.util.Map;
import org.apache.jena.rdf.model.Resource;
import org.topbraid.jenax.util.JenaUtil;
import org.topbraid.shacl.vocabulary.SH;
/**
* Global registry of known RuleLanguage instances.
*
* @author Holger Knublauch
*/
public class RuleLanguages {
private static RuleLanguages singleton = new RuleLanguages();
public static RuleLanguages get() {
return singleton;
}
private Map languages = new HashMap<>();
protected RuleLanguages() {
addLanguage(SH.JSRule, new JSRuleLanguage());
addLanguage(SH.SPARQLRule, new SPARQLRuleLanguage());
addLanguage(SH.TripleRule, new TripleRuleLanguage());
}
public void addLanguage(Resource type, RuleLanguage language) {
languages.put(type, language);
}
public RuleLanguage getRuleLanguage(Resource rule) {
Resource type = JenaUtil.getType(rule);
return languages.get(type);
}
}