001/*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2024-2026 The Enola <https://enola.dev> Authors
005 *
006 * Licensed under the Apache License, Version 2.0 (the "License");
007 * you may not use this file except in compliance with the License.
008 * You may obtain a copy of the License at
009 *
010 *     https://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package dev.enola.model.w3.rdfs;
019
020import dev.enola.thing.Thing;
021
022import org.jspecify.annotations.Nullable;
023
024public interface HasLabel extends Thing {
025    // TODO Support LangString[]
026
027    default @Nullable String label() {
028        return getString(IRI.Predicate.label);
029    }
030
031    default String labelOrIRI() {
032        var label = label();
033        return label != null ? label : iri();
034    }
035
036    interface Builder<B extends HasLabel> extends Thing.Builder<B> { // skipcq: JAVA-E0169
037        default Builder<B> label(String label) {
038            set(IRI.Predicate.label.iri(), label);
039            return this;
040        }
041    }
042}