zulu builder

Author: dashaun

src/main/java/dev/dashaun/shell/initializr/plusplus/PomFileCommands.java

@@ -149,6 +149,25 @@ public String multiArchBuilder() {
 		return "Successfully added multi-architecture builder support.";
 	}
 
+	@ShellMethod("Use Zulu JDK for spring-boot:build-image with JVM args")
+	public String zuluBuilder() {
+		try {
+			Model model = reader.read(new FileReader(POM_FILE));
+
+			// Update plugins
+			Plugins.addZuluBuilder(model);
+
+			// Write updated model to file
+			MavenXpp3Writer writer = new MavenXpp3Writer();
+			writer.write(new FileWriter(POM_FILE), model);
+
+		}
+		catch (XmlPullParserException | IOException e) {
+			return "There was a problem adding multi-architecture builder support.";
+		}
+		return "Successfully added multi-architecture builder support.";
+	}
+
 	@ShellMethod("Add Spring Java Format Maven Plugin and validate goal.")
 	public String springFormat() {
 		try {

src/main/java/dev/dashaun/shell/initializr/plusplus/models/Plugins.java

@@ -62,6 +62,14 @@ public static void addMultiArchBuilder(Model model) {
 		model.getBuild().getPlugins().add(Plugins.multiArchBuilder());
 	}
 
+	public static void addZuluBuilder(Model model) {
+		model.getBuild()
+			.getPlugins()
+			.removeIf(p -> p.getGroupId().equalsIgnoreCase(SPRING_BOOT_GROUP_ID)
+					&& p.getArtifactId().equalsIgnoreCase(SPRING_BOOT_MAVEN_PLUGIN));
+		model.getBuild().getPlugins().add(Plugins.zuluBuilder());
+	}
+
 	public static void addSpringFormat(Model model) {
 		model.getBuild()
 			.getPlugins()
@@ -146,6 +154,34 @@ public static Plugin multiArchBuilder() {
 		return p;
 	}
 
+	public static Plugin zuluBuilder() {
+		Plugin p = new Plugin();
+		p.setGroupId(SPRING_BOOT_GROUP_ID);
+		p.setArtifactId(SPRING_BOOT_MAVEN_PLUGIN);
+
+		Xpp3Dom configuration = new Xpp3Dom("configuration");
+		Xpp3Dom image = new Xpp3Dom("image");
+		Xpp3Dom buildpacks = new Xpp3Dom("buildpacks");
+		Xpp3Dom zuluBuildpack = new Xpp3Dom("buildpack");
+		zuluBuildpack.setValue("paketobuildpacks/azul-zulu");
+		Xpp3Dom javaBuildpack = new Xpp3Dom("buildpack");
+		javaBuildpack.setValue("paketobuildpacks/java");
+		buildpacks.addChild(zuluBuildpack);
+		buildpacks.addChild(javaBuildpack);
+		image.addChild(buildpacks);
+
+		Xpp3Dom env = new Xpp3Dom("env");
+		Xpp3Dom javaOptions = new Xpp3Dom("BPE_APPEND_JAVA_TOOL_OPTIONS");
+		javaOptions.setValue("-Xlog:gc:gc.log");
+		env.addChild(javaOptions);
+		image.addChild(env);
+
+		configuration.addChild(image);
+
+		p.setConfiguration(configuration);
+		return p;
+	}
+
 	public static Plugin springFormat() {
 		Plugin p = new Plugin();
 		p.setGroupId("io.spring.javaformat");