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;
020
021import javax.annotation.concurrent.Immutable;
022
023import static java.util.Objects.requireNonNull;
024
025/**
026 * Immutable JSON-RPC error descriptor used by MCP request handling.
027 *
028 * @author <a href="https://www.revetkn.com">Mark Allen</a>
029 */
030@Immutable
031public record McpJsonRpcError(
032                @NonNull Integer code,
033                @NonNull String message
034) {
035        public McpJsonRpcError {
036                requireNonNull(code);
037                requireNonNull(message);
038        }
039
040        /**
041         * Creates a JSON-RPC error descriptor from a code and message.
042         *
043         * @param code the JSON-RPC error code
044         * @param message the JSON-RPC error message
045         * @return a new JSON-RPC error descriptor
046         */
047        @NonNull
048        public static McpJsonRpcError fromCodeAndMessage(@NonNull Integer code,
049                                                                                                                                                                                                         @NonNull String message) {
050                requireNonNull(code);
051                requireNonNull(message);
052                return new McpJsonRpcError(code, message);
053        }
054}