001/*
002 * SPDX-License-Identifier: Apache-2.0
003 *
004 * Copyright 2025-2026 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.io.object;
019
020import com.google.common.net.MediaType;
021import com.google.errorprone.annotations.CanIgnoreReturnValue;
022
023import dev.enola.common.io.resource.MemoryResource;
024import dev.enola.common.io.resource.WritableResource;
025
026import java.io.IOException;
027import java.util.Optional;
028
029public interface ObjectWriter {
030
031    @CanIgnoreReturnValue
032    boolean write(Object instance, WritableResource resource) throws IOException;
033
034    default Optional<String> write(Object instance, MediaType mediaType) throws IOException {
035        var resource = new MemoryResource(mediaType);
036        var success = write(instance, resource);
037
038        if (success) return Optional.of(resource.charSource().read());
039        else return Optional.empty();
040    }
041}