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.cli;
019
020import dev.enola.common.io.mediatype.MediaTypeProviders;
021
022import picocli.CommandLine;
023
024@CommandLine.Command(
025        name = "mediatypes",
026        description = "Provides information about all supported media types for Thing Resource I/O")
027public class MediaTypeInfoCommand implements Runnable {
028
029    // TODO Replace this with enola:MediaType's enola:fileExtensions from mediaTypes.ttl
030
031    @CommandLine.Spec CommandLine.Model.CommandSpec spec;
032
033    @Override
034    public void run() {
035        var pw = spec.commandLine().getOut();
036
037        for (var entry :
038                MediaTypeProviders.SINGLETON.get().knownTypesWithAlternatives().entrySet()) {
039            var alt = entry.getValue();
040            pw.println("." + entry.getKey() + (!alt.isEmpty() ? " == " + alt : ""));
041        }
042    }
043}