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.thing.gen.gexf;
019
020import dev.enola.common.io.mediatype.MediaTypes;
021import dev.enola.common.io.resource.ReadableResource;
022import dev.enola.common.io.resource.WritableResource;
023import dev.enola.common.io.resource.convert.CatchingResourceConverter;
024import dev.enola.thing.io.Loader;
025
026public class GexfResourceConverter implements CatchingResourceConverter {
027
028    private final GexfGenerator gexfGenerator;
029    private final Loader loader;
030
031    public GexfResourceConverter(Loader loader, GexfGenerator gexfGenerator) {
032        this.gexfGenerator = gexfGenerator;
033        this.loader = loader;
034    }
035
036    @Override
037    public boolean convertIntoThrows(ReadableResource from, WritableResource into)
038            throws Exception {
039        if (!MediaTypes.normalizedNoParamsEquals(into.mediaType(), GexfMediaType.GEXF))
040            return false;
041
042        var things = loader.loadAtLeastOneThing(from.uri());
043        gexfGenerator.convertIntoOrThrow(things, into);
044        return true;
045    }
046}