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.common.convert;
019
020import com.google.common.reflect.TypeToken;
021
022import dev.enola.common.ImmutableObjectWithTypeToken;
023import dev.enola.common.MutableObjectWithTypeToken;
024import dev.enola.common.ObjectWithTypeToken;
025
026import java.io.IOException;
027import java.util.Optional;
028
029public interface ObjectWithTypeTokenConverter
030        extends ObjectClassConverter<Object>,
031                ConverterInto<ObjectWithTypeToken<?>, MutableObjectWithTypeToken<?>> {
032
033    @Override
034    boolean convertInto(ObjectWithTypeToken<?> from, MutableObjectWithTypeToken<?> into)
035            throws ConversionException, IOException;
036
037    default <T> ObjectWithTypeToken<T> convertToTypeOrThrow(Object input, TypeToken<T> intoType)
038            throws ConversionException {
039        var inputTypedObject = new ImmutableObjectWithTypeToken<>(input);
040        var convertedObject = new MutableObjectWithTypeToken<>(intoType);
041        convertIntoOrThrow(inputTypedObject, convertedObject);
042        return convertedObject;
043    }
044
045    @Override
046    default <T> Optional<T> convertToType(Object input, Class<T> type) throws IOException {
047        var from = new ImmutableObjectWithTypeToken<>(input);
048        var into = new MutableObjectWithTypeToken<>(TypeToken.of(type));
049        if (convertInto(from, into)) return Optional.of(into.object());
050        else return Optional.empty();
051    }
052}