Gradle support for play-java-chatroom-example

play-java-chatroom-example/.gitattributes

@@ -0,0 +1,9 @@
+#
+# https://help.github.com/articles/dealing-with-line-endings/
+#
+# Linux start script should use lf
+/gradlew        text eol=lf
+
+# These are Windows script files and should use crlf
+*.bat           text eol=crlf
+

play-java-chatroom-example/.gitignore

@@ -0,0 +1,5 @@
+# Ignore Gradle project-specific cache directory
+.gradle
+
+# Ignore Gradle build output directory
+build

play-java-chatroom-example/README.md

@@ -58,6 +58,10 @@ You will need [JDK 11](https://adoptopenjdk.net/) and [sbt](http://www.scala-sbt
 ```bash
 sbt run
 ```
+or
+```bash
+./gradlew playRun
+```
 
 Go to <http://localhost:9000> and open it in two different browsers.  Typing into one browser will cause it to show up in another browser.
 

play-java-chatroom-example/app/controllers/HomeController.java

@@ -7,15 +7,24 @@
 import org.apache.pekko.japi.Pair;
 import org.apache.pekko.japi.pf.PFBuilder;
 import org.apache.pekko.stream.Materializer;
-import org.apache.pekko.stream.javadsl.*;
+import org.apache.pekko.stream.javadsl.BroadcastHub;
+import org.apache.pekko.stream.javadsl.Flow;
+import org.apache.pekko.stream.javadsl.Keep;
+import org.apache.pekko.stream.javadsl.MergeHub;
+import org.apache.pekko.stream.javadsl.Sink;
+import org.apache.pekko.stream.javadsl.Source;
 import org.webjars.play.WebJarsUtil;
 import play.libs.F;
-import play.mvc.*;
+import play.mvc.Controller;
+import play.mvc.Http;
+import play.mvc.Result;
+import play.mvc.Results;
+import play.mvc.WebSocket;
 
-import javax.inject.Inject;
 import java.net.URI;
 import java.util.List;
 import java.util.concurrent.CompletableFuture;
+import javax.inject.Inject;
 
 /**
  * A very simple chat client using websockets.
@@ -27,6 +36,7 @@ public class HomeController extends Controller {
 
 
     @Inject
+    @SuppressWarnings({"unchecked", "rawtypes"})
     public HomeController(ActorSystem actorSystem,
                           Materializer mat,
                           WebJarsUtil webJarsUtil) {
@@ -70,7 +80,7 @@ public WebSocket chat() {
      * http://blog.dewhurstsecurity.com/2013/08/30/security-testing-html5-websockets.html
      */
     private boolean sameOriginCheck(Http.RequestHeader request) {
-        List<String> origins = request.getHeaders().getAll("Origin");
+        List<String> origins = request.headers().getAll("Origin");
         if (origins.size() > 1) {
             // more than one origin found
             return false;

play-java-chatroom-example/build.gradle.kts

@@ -0,0 +1,43 @@
+import play.gradle.plugin.PlayPlugin
+
+plugins {
+    alias(libs.plugins.twirl)
+    alias(libs.plugins.play)
+}
+
+val scalaVersion = System.getProperty("scala.version", PlayPlugin.DEFAULT_SCALA_VERSION).trimEnd { !it.isDigit() }
+
+dependencies {
+    implementation(platform("org.playframework:play-bom_$scalaVersion:${libs.versions.play.get()}"))
+
+    implementation("org.playframework:play-java-forms_$scalaVersion")
+    implementation("org.playframework:play-pekko-http-server_$scalaVersion")
+    implementation("org.playframework:play-ahc-ws_$scalaVersion")
+    implementation("org.playframework:play-guice_$scalaVersion")
+    implementation("org.playframework:play-logback_$scalaVersion")
+    implementation("org.webjars:webjars-play_$scalaVersion:${libs.versions.webjars.play.get()}")
+    implementation(libs.flot)
+    implementation(libs.bootstrap)
+
+    testImplementation(libs.junit)
+    testImplementation("org.playframework:play-test_$scalaVersion")
+    testImplementation(libs.assertj)
+    testImplementation(libs.awaitility)
+}
+
+tasks.test {
+    systemProperty("testserver.port", "19001")
+}
+
+tasks.withType<ScalaCompile>().configureEach {
+    options.compilerArgs.addAll(listOf("-Xlint:unchecked", "-Xlint:deprecation", "-Werror"))
+}
+
+// TODO: Remove after release Play Gradle Plugin
+repositories {
+    mavenCentral()
+    maven {
+        url = uri("https://oss.sonatype.org/content/repositories/snapshots")
+    }
+    mavenLocal()
+}

play-java-chatroom-example/build.sbt

@@ -12,8 +12,8 @@ lazy val root = (project in file("."))
       "org.webjars" % "bootstrap" % "3.4.1",
       guice,
       ws,
-      "org.assertj" % "assertj-core" % "3.12.2" % Test,
-      "org.awaitility" % "awaitility" % "3.1.6" % Test
+      "org.assertj" % "assertj-core" % "3.24.2" % Test,
+      "org.awaitility" % "awaitility" % "4.2.0" % Test
     ),
     (Test / javaOptions) += "-Dtestserver.port=19001",
     // Needed to make JUnit report the tests being run

play-java-chatroom-example/gradle/libs.versions.toml

@@ -0,0 +1,20 @@
+[versions]
+twirl = "2.0.3"
+play = "3.0.2-522fdae8-SNAPSHOT"
+junit = "4.13.1"
+webjars-play = "3.0.0"
+flot = "0.8.3"
+bootstrap = "3.4.1"
+assertj = "3.24.2"
+awaitility = "4.2.0"
+
+[libraries]
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+flot = { group = "org.webjars", name = "flot", version.ref = "flot" }
+bootstrap = { group = "org.webjars", name = "bootstrap", version.ref = "bootstrap" }
+assertj = { group = "org.assertj", name = "assertj-core", version.ref = "assertj" }
+awaitility = { group = "org.awaitility", name = "awaitility", version.ref = "awaitility" }
+
+[plugins]
+twirl = { id = "org.playframework.twirl", version.ref = "twirl" }
+play = { id = "org.playframework.play", version.ref = "play" }

play-java-chatroom-example/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,8 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionSha256Sum=9d926787066a081739e8200858338b4a69e837c3a821a33aca9db09dd4a41026
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists