Added a RunTask which includes the templates directory in the runtime classspath

app/build.gradle.kts

@@ -2,19 +2,15 @@ import org.gradle.api.tasks.testing.logging.TestExceptionFormat
 import org.gradle.api.tasks.testing.logging.TestLogEvent
 
 plugins {
-    application
     id("com.uwyn.rife2")
     `maven-publish`
 }
 
+version = 1.0
+group = "com.example"
+
 base {
     archivesName.set("hello")
-    version = 1.0
-    group = "com.example"
-}
-
-application {
-    mainClass.set("hello.App")
 }
 
 java {
@@ -30,6 +26,7 @@ repositories {
 }
 
 rife2 {
+    mainClass.set("hello.App")
     version.set("1.3.0")
     useAgent.set(true)
 }

build-logic/build.gradle.kts

@@ -10,6 +10,13 @@ dependencies {
     gradleApi()
 }
 
+tasks {
+    withType<JavaCompile> {
+        options.isDeprecation = true
+        options.compilerArgs.add("-Xlint:unchecked")
+    }
+}
+
 gradlePlugin {
     plugins {
         create("rife2") {

build-logic/src/main/java/com/uwyn/rife2/gradle/Rife2Extension.java

@@ -17,7 +17,10 @@ package com.uwyn.rife2.gradle;
 
 import org.gradle.api.provider.Property;
 
+@SuppressWarnings("unused")
 public abstract class Rife2Extension {
+    public abstract Property<String> getMainClass();
+
     public abstract Property<String> getVersion();
 
     public abstract Property<Boolean> getUseAgent();

build-logic/src/main/java/com/uwyn/rife2/gradle/Rife2Plugin.java

@@ -27,14 +27,10 @@ import org.gradle.api.component.AdhocComponentWithVariants;
 import org.gradle.api.component.ConfigurationVariantDetails;
 import org.gradle.api.file.DuplicatesStrategy;
 import org.gradle.api.plugins.BasePluginExtension;
-import org.gradle.api.plugins.JavaApplication;
 import org.gradle.api.plugins.JavaPlugin;
 import org.gradle.api.plugins.JavaPluginExtension;
 import org.gradle.api.plugins.PluginContainer;
-import org.gradle.api.tasks.JavaExec;
-import org.gradle.api.tasks.SourceSet;
-import org.gradle.api.tasks.TaskContainer;
-import org.gradle.api.tasks.TaskProvider;
+import org.gradle.api.tasks.*;
 import org.gradle.api.tasks.bundling.Jar;
 import org.gradle.api.tasks.testing.Test;
 import org.gradle.process.CommandLineArgumentProvider;
@@ -42,12 +38,15 @@ import org.gradle.process.CommandLineArgumentProvider;
 import java.util.Collections;
 import java.util.Locale;
 
+@SuppressWarnings({"ALL", "unused"})
 public class Rife2Plugin implements Plugin<Project> {
 
     public static final String DEFAULT_TEMPLATES_DIR = "src/main/templates";
     public static final String DEFAULT_GENERATED_RIFE2_CLASSES_DIR = "generated/classes/rife2";
     public static final String WEBAPP_SRCDIR = "src/main/webapp";
 
+    public static final String RIFE2_GROUP = "rife2";
+
     @Override
     public void apply(Project project) {
         var plugins = project.getPlugins();
@@ -65,6 +64,7 @@ public class Rife2Plugin implements Plugin<Project> {
         createRife2DevelopmentOnlyConfiguration(project, configurations, dependencyHandler, precompileTemplates);
         exposePrecompiledTemplatesToTestTask(project, configurations, dependencyHandler, precompileTemplates);
         configureAgent(project, plugins, rife2Extension, rife2AgentClasspath);
+        registerRunTask(project, rife2Extension, rife2AgentClasspath);
         TaskProvider<Jar> uberJarTask = registerUberJarTask(project, plugins, javaPluginExtension, rife2Extension, tasks, precompileTemplates);
         bundlePrecompiledTemplatesIntoJarFile(tasks, precompileTemplates);
         configureMavenPublishing(project, plugins, configurations, uberJarTask);
@@ -81,13 +81,15 @@ public class Rife2Plugin implements Plugin<Project> {
                 conf.attributes(attrs -> {
                     for (Attribute<?> attribute : runtimeAttributes.keySet()) {
                         Object value = runtimeAttributes.getAttribute(attribute);
-                        //noinspection unchecked
+                        if (value != null) {
                             if (Bundling.class.equals(attribute.getType())) {
                                 attrs.attribute(Bundling.BUNDLING_ATTRIBUTE, project.getObjects().named(Bundling.class, Bundling.SHADOWED));
                             } else {
+                                //noinspection unchecked
                                 attrs.attribute((Attribute<Object>) attribute, value);
                             }
                         }
+                    }
                 });
             });
             AdhocComponentWithVariants component = (AdhocComponentWithVariants) project.getComponents().getByName("java");
@@ -156,8 +158,7 @@ public class Rife2Plugin implements Plugin<Project> {
     private static Rife2Extension createRife2Extension(Project project) {
         var rife2 = project.getExtensions().create("rife2", Rife2Extension.class);
         rife2.getUseAgent().convention(false);
-        rife2.getUberMainClass().convention(project.getExtensions().getByType(JavaApplication.class).getMainClass()
-            .map(mainClass -> mainClass + "Uber"));
+        rife2.getUberMainClass().set(rife2.getMainClass() + "Uber");
         return rife2;
     }
 
@@ -199,6 +200,8 @@ public class Rife2Plugin implements Plugin<Project> {
     private static TaskProvider<PrecompileTemplates> registerPrecompileTemplateTask(Project project,
                                                                                     Configuration rife2CompilerClasspath) {
         return project.getTasks().register("precompileTemplates", PrecompileTemplates.class, task -> {
+            task.setGroup(RIFE2_GROUP);
+            task.setDescription("Pre-compile the templates.");
             task.getVerbose().convention(true);
             task.getClasspath().from(rife2CompilerClasspath);
             task.getType().convention("html");
@@ -206,4 +209,17 @@ public class Rife2Plugin implements Plugin<Project> {
             task.getOutputDirectory().set(project.getLayout().getBuildDirectory().dir(DEFAULT_GENERATED_RIFE2_CLASSES_DIR));
         });
     }
+
+    private static void registerRunTask(Project project, Rife2Extension rife2Extension,
+                                                         Configuration rife2CompilerClasspath) {
+        project.getTasks().register("run", RunTask.class, task -> {
+            task.setGroup(RIFE2_GROUP);
+            task.setDescription("Runs this project as an application.");
+            task.getAgentClassPath().set(rife2CompilerClasspath.getAsPath());
+            task.getClasspath().from(project.getExtensions().getByType(SourceSetContainer.class)
+                    .getByName(SourceSet.MAIN_SOURCE_SET_NAME).getRuntimeClasspath());
+            task.getMainClass().set(rife2Extension.getMainClass());
+            task.getTemplatesDirectory().set(project.getLayout().getProjectDirectory().dir(DEFAULT_TEMPLATES_DIR));
+        });
+    }
 }

build-logic/src/main/java/com/uwyn/rife2/gradle/RunTask.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2003-2021 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 com.uwyn.rife2.gradle;
+
+import org.gradle.api.DefaultTask;
+import org.gradle.api.file.ConfigurableFileCollection;
+import org.gradle.api.file.DirectoryProperty;
+import org.gradle.api.provider.Property;
+import org.gradle.api.tasks.*;
+import org.gradle.process.ExecOperations;
+
+import javax.inject.Inject;
+import java.util.ArrayList;
+import java.util.List;
+
+@CacheableTask
+public abstract class RunTask extends DefaultTask {
+    @Input
+    public abstract Property<String> getAgentClassPath();
+
+    @Classpath
+    public abstract ConfigurableFileCollection getClasspath();
+
+    @Inject
+    protected abstract ExecOperations getExecOperations();
+
+    @Input
+    public abstract Property<String> getMainClass();
+
+    @InputDirectory
+    @PathSensitive(PathSensitivity.RELATIVE)
+    public abstract DirectoryProperty getTemplatesDirectory();
+
+    @TaskAction
+    public void run() {
+        getExecOperations().javaexec(run -> {
+            run.setClasspath(getProject().getObjects().fileCollection().from(getTemplatesDirectory()).plus(getClasspath()));
+            run.getMainClass().set(getMainClass());
+            List<String> args = new ArrayList<>();
+            args.add("-javaagent:" + getAgentClassPath().get());
+            run.args(args);
+        });
+    }
+}

war/build.gradle.kts

@@ -2,9 +2,10 @@ plugins {
     war
 }
 
+version = 1.0
+
 base {
     archivesName.set("hello")
-    version = 1.0
 }
 
 repositories {