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.Command;
023import picocli.CommandLine.Model.CommandSpec;
024import picocli.CommandLine.Spec;
025
026@Command(
027        name = "extensions",
028        description =
029                "Provides information about extensions of media types for URI path resource names")
030public class ExtensionsInfoCommand implements Runnable {
031
032    // TODO Replace this with enola:MediaType's enola:fileExtensions from mediaTypes.ttl
033
034    @Spec CommandSpec spec;
035
036    @Override
037    public void run() {
038        var pw = spec.commandLine().getOut();
039
040        for (var entry :
041                MediaTypeProviders.SINGLETON.get().extensionsToTypes().asMap().entrySet()) {
042            var mediaTypes = entry.getValue();
043            pw.println(
044                    entry.getKey()
045                            + ": "
046                            + (mediaTypes.size() == 1 ? mediaTypes.iterator().next() : mediaTypes));
047        }
048    }
049}