Java tutorial
/** * Copyright (C) 2016 Red Hat, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package io.syndesis.runtime; import java.util.Arrays; import java.util.List; import org.springframework.boot.context.properties.ConfigurationProperties; import org.springframework.boot.context.properties.EnableConfigurationProperties; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; import org.springframework.web.cors.CorsConfiguration; import org.springframework.web.filter.CorsFilter; @Configuration @EnableConfigurationProperties @ConfigurationProperties("cors") public class SyndesisCorsConfiguration { private List<String> allowedOrigins = Arrays.asList(CorsConfiguration.ALL); public List<String> getAllowedOrigins() { return allowedOrigins; } public void setAllowedOrigins(List<String> allowedOrigins) { this.allowedOrigins = allowedOrigins; } @Bean public CorsFilter corsFilter() { return new CorsFilter(request -> { String pathInfo = request.getPathInfo(); if (pathInfo != null && (pathInfo.endsWith("/swagger.json") || pathInfo.endsWith("/swagger.yaml"))) { return new CorsConfiguration().applyPermitDefaultValues(); } CorsConfiguration config = new CorsConfiguration(); config.setAllowedOrigins(allowedOrigins); config.setAllowedMethods(Arrays.asList("HEAD", "GET", "POST", "PUT", "DELETE", "PATCH")); config.applyPermitDefaultValues(); return config; }); } }