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.enola;
019
020import com.google.common.collect.ImmutableList;
021import com.google.common.primitives.UnsignedLong;
022
023import dev.enola.common.ByteSeq;
024import dev.enola.common.convert.ObjectToStringBiConverters;
025import dev.enola.datatype.Datatype;
026import dev.enola.datatype.ImmutableDatatype;
027import dev.enola.thing.KIRI;
028
029import java.nio.file.attribute.FileTime;
030import java.time.Instant;
031
032/** Enola's built-in core datatypes. */
033// TODO Doc: <p>See https://enola.dev/datatypes --- once we put something on
034// https://docs.enola.dev/models/datatypes and have a working HTTP redirector.
035public final class Datatypes {
036
037    public static final Datatype<Instant> TIMESTAMP =
038            dev.enola.model.xsd.Datatypes.DATE_TIME
039                    .child()
040                    .iri("https://enola.dev/Timestamp")
041                    .build();
042
043    public static final Datatype<UnsignedLong> UNSIGNED_LONG =
044            new ImmutableDatatype<>(
045                    "https://enola.dev/UnsignedLong",
046                    ObjectToStringBiConverters.UNSIGNED_LONG,
047                    UnsignedLong.class);
048
049    // IRI_TEMPLATE "https://enola.dev/IRITemplate" isn't really required.
050
051    public static final Datatype<FileTime> FILE_TIME =
052            new ImmutableDatatype<>(
053                    "https://enola.dev/FileTime",
054                    ObjectToStringBiConverters.FILE_TIME,
055                    FileTime.class);
056
057    public static final Datatype<ByteSeq> BINARY =
058            new ImmutableDatatype<>(
059                    KIRI.E.BINARY,
060                    ObjectToStringBiConverters.MULTIBASE,
061                    ByteSeq.class,
062                    // NB: Multibase Pattern is also in binary.ttl
063                    "[0179fFvVtTbBcChkKRzZmMuUpQ/🚀][^\\s]*");
064
065    // Beware: The order here matters very much, for DatatypeRepository#match()
066    public static final Iterable<Datatype<?>> ALL =
067            ImmutableList.of(UNSIGNED_LONG, TIMESTAMP, FILE_TIME);
068
069    private Datatypes() {}
070}