001/*
002 * Copyright 2022-2026 Revetware LLC.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.soklet;
018
019import org.jspecify.annotations.NonNull;
020import org.jspecify.annotations.Nullable;
021
022import javax.annotation.concurrent.Immutable;
023import java.util.List;
024
025import static java.util.Objects.requireNonNull;
026
027/**
028 * Immutable result for {@code resources/list}.
029 *
030 * @author <a href="https://www.revetkn.com">Mark Allen</a>
031 */
032@Immutable
033public record McpListResourcesResult(
034                @NonNull List<@NonNull McpListedResource> resources,
035                @Nullable String nextCursor
036) {
037        public McpListResourcesResult {
038                requireNonNull(resources);
039                resources = List.copyOf(resources);
040        }
041
042        /**
043         * Creates a non-paginated {@code resources/list} result.
044         *
045         * @param resources the listed resources
046         * @return a result without a next cursor
047         */
048        @NonNull
049        public static McpListResourcesResult fromResources(@NonNull List<@NonNull McpListedResource> resources) {
050                requireNonNull(resources);
051                return new McpListResourcesResult(resources, null);
052        }
053
054        /**
055         * Creates a paginated {@code resources/list} result.
056         *
057         * @param resources the listed resources for the current page
058         * @param nextCursor the cursor clients should use to request the next page
059         * @return a paginated list result
060         */
061        @NonNull
062        public static McpListResourcesResult fromResourcesAndNextCursor(@NonNull List<@NonNull McpListedResource> resources,
063                                                                                                                                                                                                                                                                        @NonNull String nextCursor) {
064                requireNonNull(resources);
065                requireNonNull(nextCursor);
066                return new McpListResourcesResult(resources, nextCursor);
067        }
068}