Add configuration file format to ProjectDescription

Author: YangSiJun528

initializr-generator/src/main/java/io/spring/initializr/generator/project/MutableProjectDescription.java

@@ -22,6 +22,7 @@
 
 import io.spring.initializr.generator.buildsystem.BuildSystem;
 import io.spring.initializr.generator.buildsystem.Dependency;
+import io.spring.initializr.generator.configuration.format.ConfigurationFileFormat;
 import io.spring.initializr.generator.language.Language;
 import io.spring.initializr.generator.packaging.Packaging;
 import io.spring.initializr.generator.version.Version;
@@ -43,6 +44,8 @@ public class MutableProjectDescription implements ProjectDescription {
 
 	private Language language;
 
+	private ConfigurationFileFormat configurationFileFormat;
+
 	private final Map<String, Dependency> requestedDependencies = new LinkedHashMap<>();
 
 	private String groupId;
@@ -136,6 +139,19 @@ public Language getLanguage() {
 		return this.language;
 	}
 
+	/**
+	 * Sets the configuration file format.
+	 * @param configurationFileFormat the configuration file format
+	 */
+	public void setConfigurationFileFormat(ConfigurationFileFormat configurationFileFormat) {
+		this.configurationFileFormat = configurationFileFormat;
+	}
+
+	@Override
+	public ConfigurationFileFormat getConfigurationFileFormat() {
+		return this.configurationFileFormat;
+	}
+
 	/**
 	 * Sets the language.
 	 * @param language the language

initializr-generator/src/main/java/io/spring/initializr/generator/project/ProjectDescription.java

@@ -20,6 +20,7 @@
 
 import io.spring.initializr.generator.buildsystem.BuildSystem;
 import io.spring.initializr.generator.buildsystem.Dependency;
+import io.spring.initializr.generator.configuration.format.ConfigurationFileFormat;
 import io.spring.initializr.generator.language.Language;
 import io.spring.initializr.generator.packaging.Packaging;
 import io.spring.initializr.generator.version.Version;
@@ -71,6 +72,12 @@ default ProjectDescription createCopy() {
 	 */
 	Language getLanguage();
 
+	/**
+	 * Return the {@link ConfigurationFileFormat} of the project.
+	 * @return the configuration file format or {@code null}
+	 */
+	ConfigurationFileFormat getConfigurationFileFormat();
+
 	/**
 	 * Return the build {@code groupId}.
 	 * @return the groupId or {@code null}