content: /*
   * Copyright 2012-2019 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.description;
  
  import java.util.Objects;
  
  import io.spring.initializr.generator.project.ProjectDescription;
  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 when the JVM level was changed.
   *
   * @author Stephane Nicoll
   */
  public class InvalidJvmVersionHelpDocumentCustomizer implements HelpDocumentCustomizer {
  
  	private final ProjectDescriptionDiff diff;
  
  	private final ProjectDescription description;
  
  	public InvalidJvmVersionHelpDocumentCustomizer(ProjectDescriptionDiff diff, ProjectDescription description) {
  		this.diff = diff;
  		this.description = description;
  	}
  
  	@Override
  	public void customize(HelpDocument document) {
  		this.diff.ifLanguageChanged(this.description, (original, current) -> {
  			String originalJvmVersion = original.jvmVersion();
  			String currentJvmVersion = current.jvmVersion();
  			if (!Objects.equals(originalJvmVersion, currentJvmVersion)) {
  				document.getWarnings().addItem(String.format(
  						"The JVM level was changed from '%s' to '%s', review the [JDK Version Range](%s) on the wiki for more details.",
  						originalJvmVersion, currentJvmVersion,
  						"https://github.com/spring-projects/spring-framework/wiki/Spring-Framework-Versions#jdk-version-range"));
  			}
  		});
  	}
  
  }
  