content: /*
   * Copyright 2017-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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 org.activiti.cloud.common.swagger.springdoc.customizer;
  
  import io.swagger.v3.oas.models.OpenAPI;
  import io.swagger.v3.oas.models.servers.Server;
  import java.util.ArrayList;
  import java.util.Optional;
  import org.activiti.cloud.common.swagger.springdoc.BaseOpenApiBuilder;
  
  public class PathPrefixOpenApiCustomizer implements DefaultOpenApiCustomizer {
  
      private final String swaggerBasePath;
  
      public PathPrefixOpenApiCustomizer(String swaggerBasePath) {
          this.swaggerBasePath = swaggerBasePath;
      }
  
      @Override
      public void customise(OpenAPI openApi) {
          String servicePrefix = getServicePrefix(openApi);
          final String url = (swaggerBasePath + servicePrefix).replaceAll("//", "/");
          replaceServer(openApi, url);
      }
  
      private String getServicePrefix(OpenAPI openApi) {
          String servicePrefix = "";
          final String configuredPrefix = (String) Optional
              .ofNullable(openApi.getExtensions())
              .map(extensions -> extensions.get(BaseOpenApiBuilder.SERVICE_URL_PREFIX))
              .orElse(null);
          if (configuredPrefix != null) {
              servicePrefix = configuredPrefix;
          }
          return servicePrefix;
      }
  
      private void replaceServer(OpenAPI openApi, String url) {
          final ArrayList<Server> servers = new ArrayList<>();
          final Server server = new Server();
          server.setUrl(url);
          servers.add(server);
          openApi.setServers(servers);
      }
  }
  