001/*
002 * Copyright 2022-2025 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.core.impl;
018
019import com.soklet.core.Cors;
020import com.soklet.core.CorsAuthorizer;
021import com.soklet.core.CorsPreflight;
022import com.soklet.core.CorsPreflightResponse;
023import com.soklet.core.CorsResponse;
024import com.soklet.core.HttpMethod;
025import com.soklet.core.Request;
026import com.soklet.core.ResourceMethod;
027
028import javax.annotation.Nonnull;
029import javax.annotation.concurrent.ThreadSafe;
030import java.util.Map;
031import java.util.Optional;
032
033import static java.util.Objects.requireNonNull;
034
035/**
036 * @author <a href="https://www.revetkn.com">Mark Allen</a>
037 */
038@ThreadSafe
039public class NoOriginsCorsAuthorizer implements CorsAuthorizer {
040        @Nonnull
041        private static final NoOriginsCorsAuthorizer SHARED_INSTANCE;
042
043        static {
044                SHARED_INSTANCE = new NoOriginsCorsAuthorizer();
045        }
046
047        @Nonnull
048        public static NoOriginsCorsAuthorizer sharedInstance() {
049                return SHARED_INSTANCE;
050        }
051
052        @Nonnull
053        @Override
054        public Optional<CorsResponse> authorize(@Nonnull Request request,
055                                                                                                                                                                        @Nonnull Cors cors) {
056                requireNonNull(request);
057                requireNonNull(cors);
058
059                return Optional.empty();
060        }
061
062        @Nonnull
063        @Override
064        public Optional<CorsPreflightResponse> authorizePreflight(@Nonnull Request request,
065                                                                                                                                                                                                                                                @Nonnull CorsPreflight corsPreflight,
066                                                                                                                                                                                                                                                @Nonnull Map<HttpMethod, ResourceMethod> availableResourceMethodsByHttpMethod) {
067                requireNonNull(request);
068                requireNonNull(corsPreflight);
069                requireNonNull(availableResourceMethodsByHttpMethod);
070
071                return Optional.empty();
072        }
073}