Add extra attributes to the init command

Update the CLI init command to expose additional attributes supported
by Spring Initializr. These are: groupId, artifactId, version, name,
description and language.

Closes gh-2793 and gh-2907

spring-boot-cli/src/main/java/org/springframework/boot/cli/command/init/InitCommand.java

@@ -37,6 +37,7 @@ import org.springframework.util.Assert;
  * {@link Command} that initializes a project using Spring initializr.
  *
  * @author Stephane Nicoll
+ * @author Eddú Meléndez
  * @since 1.2.0
  */
 public class InitCommand extends OptionParsingCommand {
@@ -96,6 +97,18 @@ public class InitCommand extends OptionParsingCommand {
 
 		private OptionSpec<Void> force;
 
+		private OptionSpec<String> language;
+
+		private OptionSpec<String> groupId;
+
+		private OptionSpec<String> artifactId;
+
+		private OptionSpec<String> name;
+
+		private OptionSpec<String> version;
+
+		private OptionSpec<String> description;
+
 		InitOptionHandler(InitializrService initializrService) {
 			this.serviceCapabilitiesReport = new ServiceCapabilitiesReportGenerator(
 					initializrService);
@@ -140,6 +153,24 @@ public class InitCommand extends OptionParsingCommand {
 					"The project type to use. Not normally needed if you use --build "
 							+ "and/or --format. Check the capabilities of the service "
 							+ "(--list) for more details").withRequiredArg();
+			this.language = option(Arrays.asList("language", "lang"),
+				"Programming Language to use (for example 'java')")
+				.withRequiredArg();
+			this.groupId = option(Arrays.asList("groupId", "g"),
+				"The project group that produced the dependency (for example 'org.test')")
+				.withRequiredArg();
+			this.artifactId = option(Arrays.asList("artifactId", "a"),
+				"The unique id for an artifact produced by the project group (for example 'test')")
+				.withRequiredArg();
+			this.name = option(Arrays.asList("name", "n"),
+				"The full name of the project.")
+				.withRequiredArg();
+			this.version = option(Arrays.asList("version", "v"),
+				"The version of the dependency (for example '0.0.1-SNAPSHOT')")
+				.withRequiredArg();
+			this.description = option(Arrays.asList("description", "des"),
+				"A detailed description of the project")
+				.withRequiredArg();
 		}
 
 		private void otherOptions() {
@@ -209,6 +240,24 @@ public class InitCommand extends OptionParsingCommand {
 			if (options.has(this.type)) {
 				request.setType(options.valueOf(this.type));
 			}
+			if(options.has(this.language)) {
+				request.setLanguage(options.valueOf(this.language));
+			}
+			if(options.has(this.groupId)) {
+				request.setGroupId(options.valueOf(this.groupId));
+			}
+			if (options.has(this.artifactId)) {
+				request.setArtifactId(options.valueOf(this.artifactId));
+			}
+			if(options.has(this.name)) {
+				request.setName(options.valueOf(this.name));
+			}
+			if(options.has(this.version)) {
+				request.setVersion(options.valueOf(this.version));
+			}
+			if(options.has(this.description)) {
+				request.setDescription(options.valueOf(this.description));
+			}
 			request.setExtract(options.has(this.extract));
 			if (nonOptionArguments.size() == 1) {
 				String output = (String) nonOptionArguments.get(0);

spring-boot-cli/src/main/java/org/springframework/boot/cli/command/init/ProjectGenerationRequest.java

@@ -59,6 +59,18 @@ class ProjectGenerationRequest {
 
 	private String type;
 
+	private String language;
+
+	private String groupId;
+
+	private String artifactId;
+
+	private String name;
+
+	private String version;
+
+	private String description;
+
 	/**
 	 * The URL of the service to use.
 	 * @see #DEFAULT_SERVICE_URL
@@ -199,6 +211,72 @@ class ProjectGenerationRequest {
 		this.type = type;
 	}
 
+	/**
+	 * The programming language to use or {@code null} if it should not be customized.
+	 */
+	public String getLanguage() {
+		return this.language;
+	}
+
+	public void setLanguage(String language) {
+		this.language = language;
+	}
+
+	/**
+	 * The groupId to use or {@code null} if it should not be customized.
+	 */
+	public String getGroupId() {
+		return this.groupId;
+	}
+
+	public void setGroupId(String groupId) {
+		this.groupId = groupId;
+	}
+
+	/**
+	 * The artifactId to use or {@code null} if it should not be customized.
+	 */
+	public String getArtifactId() {
+		return this.artifactId;
+	}
+
+	public void setArtifactId(String artifactId) {
+		this.artifactId = artifactId;
+	}
+
+	/**
+	 * The name to use or {@code null} if it should not be customized.
+	 */
+	public String getName() {
+		return this.name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	/**
+	 * The artifact version to use or {@code null} if it should not be customized.
+	 */
+	public String getVersion() {
+		return this.version;
+	}
+
+	public void setVersion(String version) {
+		this.version = version;
+	}
+
+	/**
+	 *
+	 */
+	public String getDescription() {
+		return this.description;
+	}
+
+	public void setDescription(String description) {
+		this.description = description;
+	}
+
 	/**
 	 * Generates the URI to use to generate a project represented by this request
 	 * @param metadata the metadata that describes the service
@@ -217,6 +295,9 @@ class ProjectGenerationRequest {
 			sb.append(projectType.getAction());
 			builder.setPath(sb.toString());
 
+			if (this.artifactId != null) {
+				builder.setParameter("artifactId", this.artifactId);
+			}
 			if (this.bootVersion != null) {
 				builder.setParameter("bootVersion", this.bootVersion);
 			}
@@ -225,15 +306,30 @@ class ProjectGenerationRequest {
 				builder.setParameter("dependencies",
 						StringUtils.collectionToCommaDelimitedString(this.dependencies));
 			}
+			if (this.description != null) {
+				builder.setParameter("description", this.description);
+			}
+			if (this.groupId != null) {
+				builder.setParameter("groupId", this.groupId);
+			}
 			if (this.javaVersion != null) {
 				builder.setParameter("javaVersion", this.javaVersion);
 			}
+			if (this.language != null) {
+				builder.setParameter("language", this.language);
+			}
+			if (this.name != null) {
+				builder.setParameter("name", this.name);
+			}
 			if (this.packaging != null) {
 				builder.setParameter("packaging", this.packaging);
 			}
 			if (this.type != null) {
 				builder.setParameter("type", projectType.getId());
 			}
+			if (this.version != null) {
+				builder.setParameter("version", this.version);
+			}
 
 			return builder.build();
 		}