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.rdf.io;
019
020import dev.enola.common.convert.ConversionException;
021import dev.enola.common.convert.ConverterIntoAppendable;
022import dev.enola.common.io.resource.AppendableResource;
023import dev.enola.common.io.resource.WritableResource;
024import dev.enola.rdf.proto.ProtoThingRdfConverter;
025import dev.enola.thing.proto.Thing;
026
027import java.io.IOException;
028
029public class ProtoThingIntoJsonLdAppendableConverter implements ConverterIntoAppendable<Thing> {
030
031    private final ProtoThingRdfConverter thingRdfConverter = new ProtoThingRdfConverter();
032    private final RdfWriterConverter rdfWriterConverter = new RdfWriterConverter();
033
034    @Override
035    public boolean convertInto(Thing from, Appendable into)
036            throws ConversionException, IOException {
037
038        var rdfModel = thingRdfConverter.convert(from);
039        WritableResource resource = new AppendableResource(into, RdfMediaTypes.JSON_LD);
040        rdfWriterConverter.convertIntoOrThrow(rdfModel, resource);
041        return true;
042    }
043}