[WIP] Add Helidon runtime

archetype/src/main/resources/META-INF/archetype-post-generate.groovy

@@ -26,19 +26,17 @@ private validateInput(jakartaVersion, profile, javaVersion, runtime, docker, Fil
         throw new RuntimeException("Failed, valid Jakarta EE versions are 8, 9, 9.1, and 10")
     }
 
-    if (!profile.equalsIgnoreCase("core") && !profile.equalsIgnoreCase("web") && !profile.equalsIgnoreCase("full")) {
+    if (!["core", "web", "full"].contains(profile.toLowerCase())) {
         FileUtils.forceDelete(outputDirectory)
         throw new RuntimeException("Failed, valid Jakarta EE profiles are core, web, and full")
     }
 
-    if ((javaVersion != '8') && (javaVersion != '11') && (javaVersion != '17')) {
+    if (!['8', '11', '17', '21'].contains(javaVersion)) {
         FileUtils.forceDelete(outputDirectory)
         throw new RuntimeException("Failed, valid Java SE versions are 8, 11, and 17")
     }
 
-    if (!runtime.equalsIgnoreCase("none") && !runtime.equalsIgnoreCase("glassfish")
-           && !runtime.equalsIgnoreCase("open-liberty") && !runtime.equalsIgnoreCase("payara")
-           && !runtime.equalsIgnoreCase("tomee") && !runtime.equalsIgnoreCase("wildfly")) {
+    if (!["none", "glassfish", "open-liberty", "payara", "tomee", "wildfly", "helidon"].contains(runtime.toLowerCase())) {
         FileUtils.forceDelete(outputDirectory)
         throw new RuntimeException("Failed, valid runtime values are none, glassfish, open-liberty, payara, tomee, and wildfly")
     }
@@ -103,6 +101,13 @@ private validateInput(jakartaVersion, profile, javaVersion, runtime, docker, Fil
             throw new RuntimeException("Failed, WildFly does not offer a release for Jakarta EE 9 or Jakarta EE 9.1")
         }
     }
+
+    if (runtime.equalsIgnoreCase("helidon")) {
+        if (jakartaVersion != '10' && javaVersion != '21' && profile != 'core') {
+            FileUtils.forceDelete(outputDirectory)
+            throw new RuntimeException("Failed, Helidon offer a release for Jakarta EE 10 Core profile only")
+        }
+    }
 }
 
 private generateRuntime(runtime, jakartaVersion, docker, File outputDirectory) {
@@ -127,13 +132,29 @@ private generateRuntime(runtime, jakartaVersion, docker, File outputDirectory) {
         case "open-liberty": println "Generating code for Open Liberty"
             break
 
+        case "helidon": println "Generating code for Helidon"
+            var helidonDir = new File(outputDirectory, "src/main/helidon")
+            var resourcesDir = new File(outputDirectory, "src/main/resources")
+            var webappDir = new File(outputDirectory,"src/main/webapp");
+            FileUtils.forceDelete(new File(webappDir, "/WEB-INF"))
+            FileUtils.copyDirectory(new File(helidonDir, "resources"), resourcesDir)
+            FileUtils.copyDirectory(webappDir, new File(resourcesDir, "/WEB"))
+            FileUtils.forceDelete(webappDir)
+            FileUtils.forceDelete(helidonDir)
+            break
+
         default: println "No runtime will be included in the sample"
     }
 
     if (!runtime.equalsIgnoreCase("open-liberty")) {
         // We do not need the liberty configuration directory, let's delete it.
         FileUtils.forceDelete(new File(outputDirectory, "src/main/liberty"))
     }
+
+    if (!runtime.equalsIgnoreCase("helidon")) {
+        // We do not need the helidon configuration directory, let's delete it.
+        FileUtils.forceDelete(new File(outputDirectory, "src/main/helidon"))
+    }
 }
 
 static void bindEEPackage(String jakartaVersion, File outputDirectory) throws IOException {

archetype/src/main/resources/META-INF/maven/archetype-metadata.xml

@@ -59,6 +59,9 @@
         <include>images/jakartaee_logo.jpg</include>
       </includes>
     </fileSet>
+    <fileSet filtered="true" encoding="UTF-8">
+      <directory>src/main/helidon</directory>
+    </fileSet>
     <fileSet filtered="true" encoding="UTF-8">
       <directory></directory>
       <includes>

archetype/src/main/resources/archetype-resources/Dockerfile

@@ -81,11 +81,20 @@
 #end
 #set ($deployDirectory = "/config/apps/")
 #end
+#if (${runtime} == 'helidon')
+#set ($baseImage = "container-registry.oracle.com/java/jdk-no-fee-term:21")
+#end
 FROM $baseImage
 #if (${runtime} == 'open-liberty')
 COPY src/main/liberty/config/server.xml /config/server.xml
 #end
+#if (${runtime} == 'helidon')
+COPY target/libs ./libs
+COPY target/${artifactId}.jar ./
+CMD ["java", "-jar", "${artifactId}.jar"]
+#else
 COPY target/${artifactId}.war $deployDirectory
+#end
 #if ((${runtime} == 'wildfly') && (${profile} == 'full'))
 CMD ["/opt/jboss/wildfly/bin/standalone.sh", "-b", "0.0.0.0", "-bmanagement", "0.0.0.0", "-c","standalone-full.xml"]
 #end

archetype/src/main/resources/archetype-resources/README.md

@@ -16,13 +16,17 @@ You can run the application by executing the following command from the director
 ./mvnw clean package wildfly:dev
 #elseif (${runtime} == 'open-liberty')
 ./mvnw liberty:dev
+#elseif (${runtime} == 'helidon')
+./mvnw clean package && java -jar ./target/${artifactId}.jar
 #end
 ```
 
 #if ((${runtime} == 'payara') && (${profile} != 'full'))
 Once the runtime starts, you can access the project at [http://localhost:8080](http://localhost:8080).
 #elseif (${runtime} == 'open-liberty')
 Once the runtime starts, you can access the project at [http://localhost:9080](http://localhost:9080).
+#elseif (${runtime} == 'helidon')
+Once the runtime starts, you can access the project at [http://localhost:8080/](http://localhost:8080/).
 #else
 Once the runtime starts, you can access the project at [http://localhost:8080/${artifactId}](http://localhost:8080/${artifactId}).
 #end
@@ -45,10 +49,12 @@ docker run -it --rm -p 9080:9080 ${artifactId}:v1
 #end
 ```
 
-#if (${runtime} != 'open-liberty')
-Once the runtime starts, you can access the project at [http://localhost:8080/${artifactId}](http://localhost:8080/${artifactId}).
-#else
+#if (${runtime} == 'open-liberty')
 Once the runtime starts, you can access the project at [http://localhost:9080/](http://localhost:9080/).
+#elseif (${runtime} == 'helidon')
+Once the runtime starts, you can access the project at [http://localhost:8080/](http://localhost:8080/).
+#else
+Once the runtime starts, you can access the project at [http://localhost:8080/${artifactId}](http://localhost:8080/${artifactId}).
 #end
 #end
 #else

archetype/src/main/resources/archetype-resources/pom.xml

@@ -9,6 +9,7 @@
 #set ($wildflyConfiguration = "standalone-full")
 #end
 #if (${jakartaVersion} == '10')
+#set ($helidonVersion = "4.1.2")
 #set ($eeApiVersion = "10.0.0")
 #elseif (${jakartaVersion} == '9.1')
 #set ($eeApiVersion = "9.1.0")
@@ -45,10 +46,22 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
+#if (${runtime} == 'helidon')
+	<parent>
+		<groupId>io.helidon.applications</groupId>
+		<artifactId>helidon-mp</artifactId>
+		<version>${helidonVersion}</version>
+		<relativePath/>
+	</parent>
+#end
 	<groupId>${groupId}</groupId>
 	<artifactId>${artifactId}</artifactId>
 	<version>${version}</version>
+#if (${runtime} == 'helidon')
+	<packaging>jar</packaging>
+#else
 	<packaging>war</packaging>
+#end
 
 	<name>${artifactId}</name>
 	<description>
@@ -75,7 +88,9 @@
 		<wildfly.version>${wildflyVersion}</wildfly.version>
 #end
 		<compiler-plugin.version>3.13.0</compiler-plugin.version>
+#if (${runtime} != 'helidon')
 		<war-plugin.version>3.4.0</war-plugin.version>
+#end
 #if ((${runtime} == 'glassfish') || ((${runtime} == 'payara') && (${profile} == 'full')))
 		<cargo.version>1.10.15</cargo.version>
 #end
@@ -108,6 +123,31 @@
 			<version>${payara.version}</version>
 			<scope>provided</scope>
 		</dependency>
+#end
+#if (${runtime} == 'helidon')
+		<dependency>
+			<groupId>io.helidon.microprofile.bundles</groupId>
+			<artifactId>helidon-microprofile-core</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>jakarta.json.bind</groupId>
+			<artifactId>jakarta.json.bind-api</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.glassfish.jersey.media</groupId>
+			<artifactId>jersey-media-json-binding</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>io.helidon.logging</groupId>
+			<artifactId>helidon-logging-jul</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>io.smallrye</groupId>
+			<artifactId>jandex</artifactId>
+			<scope>runtime</scope>
+		</dependency>
 #end
 	</dependencies>
 
@@ -119,14 +159,15 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>${compiler-plugin.version}</version>
 			</plugin>
+#if (${runtime} != 'helidon')
 			<plugin>
 				<artifactId>maven-war-plugin</artifactId>
 				<version>${war-plugin.version}</version>
 				<configuration>
 					<failOnMissingWebXml>false</failOnMissingWebXml>
 				</configuration>
 			</plugin>
-
+#end
 #if (${runtime} == 'glassfish')
 			<!-- Execute 'mvn clean package cargo:run' to run the application. -->
 			<plugin>
@@ -214,6 +255,25 @@
 				<artifactId>liberty-maven-plugin</artifactId>
 				<version>${liberty-plugin.version}</version>
 			</plugin>
+#elseif (${runtime} == 'helidon')
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-dependency-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>copy-libs</id>
+					</execution>
+				</executions>
+			</plugin>
+			<plugin>
+				<groupId>io.smallrye</groupId>
+				<artifactId>jandex-maven-plugin</artifactId>
+				<executions>
+					<execution>
+						<id>make-index</id>
+					</execution>
+				</executions>
+			</plugin>
 #end
 		</plugins>
 	</build>

archetype/src/main/resources/archetype-resources/src/main/helidon/resources/META-INF/beans.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="https://jakarta.ee/xml/ns/jakartaee"
+        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee
+                           https://jakarta.ee/xml/ns/jakartaee/beans_4_0.xsd"
+        version="4.0"
+        bean-discovery-mode="all">
+</beans>

archetype/src/main/resources/archetype-resources/src/main/helidon/resources/META-INF/microprofile-config.properties

@@ -0,0 +1,4 @@
+server.port=8080
+server.host=0.0.0.0
+server.static.classpath.location=/WEB/
+server.static.classpath.welcome=index.html

archetype/src/main/resources/archetype-resources/src/main/helidon/resources/logging.properties

@@ -0,0 +1,17 @@
+# Example Logging Configuration File
+# For more information see $JAVA_HOME/jre/lib/logging.properties
+
+# Send messages to the console
+handlers=io.helidon.logging.jul.HelidonConsoleHandler
+
+# HelidonConsoleHandler uses a SimpleFormatter subclass that replaces "!thread!" with the current thread
+java.util.logging.SimpleFormatter.format=%1$tY.%1$tm.%1$td %1$tH:%1$tM:%1$tS %4$s %3$s !thread!: %5$s%6$s%n
+
+# Global logging level. Can be overridden by specific loggers
+.level=INFO
+
+# Component specific log levels
+#io.helidon.webserver.level=INFO
+#io.helidon.config.level=INFO
+#io.helidon.security.level=INFO
+#io.helidon.common.level=INFO

ui/src/main/java/org/eclipse/starter/ui/Project.java

@@ -33,7 +33,7 @@ public class Project implements Serializable {
 	private static final Logger LOGGER = Logger.getLogger(MethodHandles.lookup().lookupClass().getName());
 	private static final Map<String, String> RUNTIMES = Map.ofEntries(entry("glassfish", "GlassFish"),
 			entry("open-liberty", "Open Liberty"), entry("payara", "Payara"), entry("tomee", "TomEE"),
-			entry("wildfly", "WildFly"));
+			entry("wildfly", "WildFly"), entry("helidon", "Helidon"));
 	private static final String DEFAULT_GROUPID = "org.eclipse";
 	private static final String DEFAULT_ARTIFACTID = "jakartaee-hello-world";
 
@@ -73,6 +73,7 @@ public Project() {
 		profiles.put("web", new SelectItem("web", "Web Profile"));
 		profiles.put("core", new SelectItem("core", "Core Profile"));
 
+		javaVersions.put("21", new SelectItem("21", "Java SE 21"));
 		javaVersions.put("17", new SelectItem("17", "Java SE 17"));
 		javaVersions.put("11", new SelectItem("11", "Java SE 11"));
 		javaVersions.put("8", new SelectItem("8", "Java SE 8", "Java SE 8", true));
@@ -191,6 +192,7 @@ public void onJakartaVersionChange() {
 			    runtimes.get("payara").setDisabled(true);
 				runtimes.get("glassfish").setDisabled(true);
 			}
+			runtimes.get("helidon").setDisabled(true);
 		} else {
 			javaVersions.get("8").setDisabled(true);
 
@@ -199,6 +201,7 @@ public void onJakartaVersionChange() {
 			}
 
 			runtimes.get("wildfly").setDisabled(false);
+			runtimes.get("helidon").setDisabled(false);
 		}
 	}
 
@@ -243,8 +246,12 @@ public void onProfileChange() {
 
 			runtimes.get("glassfish").setDisabled(true);
 			runtimes.get("tomee").setDisabled(true);
+			runtimes.get("helidon").setDisabled(false);
 		} else if (profile.equals("full")) {
 			runtimes.get("tomee").setDisabled(true);
+			runtimes.get("helidon").setDisabled(true);
+		} else {
+			runtimes.get("helidon").setDisabled(true);
 		}
 	}
 
@@ -312,6 +319,10 @@ public void onRuntimeChange() {
 		LOGGER.log(Level.INFO,
 				"Validating form for Jakarta EE version: {0}, Jakarta EE profile: {1}, Java SE version: {2}, Docker: {3}, runtime: {4}",
 				new Object[] { jakartaVersion, profile, javaVersion, docker, runtime });
+		javaVersions.forEach((s, i) -> i.setDisabled(false));
+		jakartaVersions.forEach((s, i) -> i.setDisabled(false));
+		jakartaVersions.forEach((s, i) -> i.setDisabled(false));
+
 		if (!profile.equals("core")) {
 			jakartaVersions.get("9").setDisabled(false);
 			jakartaVersions.get("9.1").setDisabled(false);
@@ -361,7 +372,21 @@ public void onRuntimeChange() {
 
 			if (jakartaVersion != 8) {
 			    javaVersions.get("8").setDisabled(true);
-			}			
+			}
+		} else if (runtime.equals("helidon")) {
+			jakartaVersions.get("9").setDisabled(true);
+			profiles.get("web").setDisabled(true);
+			profiles.get("full").setDisabled(true);
+			javaVersions.get("8").setDisabled(true);
+			javaVersions.get("11").setDisabled(true);
+			javaVersions.get("17").setDisabled(true);
+			jakartaVersions.get("8").setDisabled(true);
+			jakartaVersions.get("9").setDisabled(true);
+			jakartaVersions.get("9.1").setDisabled(true);
+			// these are the only choices so far
+			jakartaVersion = 10;
+			javaVersion = 21;
+			profile = "core";
 		}
 	}