content: /*
   * Copyright 2012-2021 the original author or authors.
   *
   * 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
   *
   *      https://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.spring.start.site.extension.dependency.springcloud;
  
  import java.util.Map;
  
  import io.spring.initializr.generator.buildsystem.Dependency;
  import io.spring.initializr.generator.project.ProjectDescriptionDiff;
  import io.spring.initializr.generator.spring.documentation.HelpDocument;
  import io.spring.initializr.generator.spring.documentation.HelpDocumentCustomizer;
  
  /**
   * A {@link HelpDocumentCustomizer} that adds a warning if Spring Cloud Gateway is used
   * with Spring MVC.
   *
   * @author Stephane Nicoll
   */
  public class SpringCloudGatewayHelpDocumentCustomizer implements HelpDocumentCustomizer {
  
  	private final ProjectDescriptionDiff diff;
  
  	public SpringCloudGatewayHelpDocumentCustomizer(ProjectDescriptionDiff diff) {
  		this.diff = diff;
  	}
  
  	@Override
  	public void customize(HelpDocument document) {
  		Map<String, Dependency> originalDependencies = this.diff.getOriginal().getRequestedDependencies();
  		if (originalDependencies.containsKey("cloud-gateway") && originalDependencies.containsKey("web")) {
  			document.getWarnings().addItem(
  					"Spring Cloud Gateway requires Spring WebFlux, your choice of Spring Web has been replaced accordingly.");
  		}
  	}
  
  }
  