Upgrade branch 2.7.x using TemplateControl (#65)

```
Updated with template-control on 2018-11-16T14:25:16.065Z
  **build.sbt:
    libraryDependencies += "org.scalatestplus.play" %% "scalatestplus-play" % "4.0.0-RC1" % Test
  **/plugins.sbt:
    addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.7.0-RC3")
  **build.gradle:
    def playVersion = "2.7.0-RC3"
  **build.gradle:
        playTest "org.scalatestplus.play:scalatestplus-play_$scalaVersion:4.0.0-RC1"
  .travis.yml:
    - openjdk10
  .travis.yml:
          jdk: openjdk10

```

.travis.yml

@@ -1,47 +1,37 @@
 language: scala
 scala:
-# When updating Scala versions, also check the excludes
-# in build matrix below.
-- 2.11.12
-- 2.12.6
+  - 2.12.7
 jdk:
-- oraclejdk8
-- oraclejdk9
-- oraclejdk10
-- oraclejdk11
+  - oraclejdk8
+  - openjdk11
 env:
   matrix:
     - SCRIPT=scripts/test-sbt
     - SCRIPT=scripts/test-gradle
 script:
-- $SCRIPT
+  - $SCRIPT
 cache:
   directories:
-  - "$HOME/.ivy2/cache"
-  - "$HOME/.gradle/caches"
+    - "$HOME/.ivy2/cache"
+    - "$HOME/.gradle/caches"
 before_cache:
-- rm -rf $HOME/.ivy2/cache/com.typesafe.play/*
-- rm -rf $HOME/.ivy2/cache/scala_*/sbt_*/com.typesafe.play/*
-- find $HOME/.ivy2/cache -name "ivydata-*.properties" -print0 | xargs -n10 -0 rm
+  - rm -rf $HOME/.ivy2/cache/com.typesafe.play/*
+  - rm -rf $HOME/.ivy2/cache/scala_*/sbt_*/com.typesafe.play/*
+  - find $HOME/.ivy2/cache -name "ivydata-*.properties" -print0 | xargs -n10 -0 rm
 
 # Exclude some combinations from build matrix. See:
 # https://docs.travis-ci.com/user/customizing-the-build/#Build-Matrix
 matrix:
-  exclude:
-    - scala: 2.11.12
-      jdk: oraclejdk9
-    - scala: 2.11.12
-      jdk: oraclejdk10
-    - scala: 2.11.12
-      jdk: oraclejdk11
+  fast_finish: true
   allow_failures:
-    # We should allow failures here since Java 11 removed some modules including
-    # java.xml.bind which we are adding when running with Java 9+. For more details
-    # see http://openjdk.java.net/jeps/320
-    #
-    # Play already has a fix for that, but it needs to be backported and released
-    # for 2.6.x: https://github.com/playframework/playframework/pull/8382
-    - jdk: oraclejdk11
+    # Current release of Gradle still does not supports Play 2.7.x releases
+    # As soon as there is a release of Gradle that fixes that, we can then
+    # remove this allowed failure.
+    - env: SCRIPT=scripts/test-gradle
+    # Java 11 is still not fully supported. It is good that we are already
+    # testing our sample applications to better discover possible problems
+    # but we can allow failures here too.
+    - jdk: openjdk11
 
 # See https://blog.travis-ci.com/2014-03-13-slack-notifications/
 # created with travis encrypt command line tool

app/controllers/ScalaTicker.scala

@@ -12,14 +12,14 @@ trait ScalaTicker {
 
   def stringSource: Source[String, _] = {
     val df: DateTimeFormatter = DateTimeFormatter.ofPattern("HH mm ss")
-    val tickSource = Source.tick(0 millis, 100 millis, "TICK")
-    val s = tickSource.map((tick) => df.format(ZonedDateTime.now()))
+    val tickSource = Source.tick(0.millis, 100.millis, "TICK")
+    val s = tickSource.map(_ => df.format(ZonedDateTime.now()))
     s
   }
 
   def jsonSource: Source[JsValue, _] = {
-    val tickSource = Source.tick(0 millis, 100 millis, "TICK")
-    val s = tickSource.map((tick) => Json.toJson(ZonedDateTime.now))
+    val tickSource = Source.tick(0.millis, 100.millis, "TICK")
+    val s = tickSource.map(_ => Json.toJson(ZonedDateTime.now))
     s
   }
 

build.gradle

@@ -3,7 +3,7 @@ plugins {
     id 'idea'
 }
 
-def playVersion = "2.6.20"
+def playVersion = "2.7.0-RC3"
 def scalaVersion = System.getProperty("scala.binary.version", /* default = */ "2.12")
 
 model {
@@ -26,7 +26,7 @@ dependencies {
     play "com.typesafe.play:play-logback_$scalaVersion:$playVersion"
 
     playTest "com.typesafe.play:play-ahc-ws_$scalaVersion:$playVersion"
-    playTest "org.scalatestplus.play:scalatestplus-play_$scalaVersion:3.1.2"
+    playTest "org.scalatestplus.play:scalatestplus-play_$scalaVersion:4.0.0-RC1"
 }
 
 repositories {

build.sbt

@@ -2,13 +2,17 @@ name := "play-scala-streaming-example"
 
 version := "2.6.x"
 
-scalaVersion := "2.12.6"
-
-crossScalaVersions := Seq("2.11.12", "2.12.4")
+scalaVersion := "2.12.7"
 
 lazy val root = (project in file(".")).enablePlugins(PlayScala)
 
 libraryDependencies += guice
 
 libraryDependencies += ws % Test
-libraryDependencies += "org.scalatestplus.play" %% "scalatestplus-play" % "3.1.2" % Test
+libraryDependencies += "org.scalatestplus.play" %% "scalatestplus-play" % "4.0.0-RC1" % Test
+
+scalacOptions ++= Seq(
+  "-feature",
+  "-deprecation",
+  "-Xfatal-warnings"
+)

conf/application.conf

@@ -6,3 +6,10 @@ play.filters.headers {
   frameOptions = "SAMEORIGIN"
   contentSecurityPolicy = "connect-src 'self'"
 }
+
+play.filters.enabled += play.filters.csp.CSPFilter
+
+play.filters.csp.directives {
+  connect-src = "'self'"
+  default-src = "'self'"
+}

project/plugins.sbt

@@ -1,2 +1,2 @@
 // Use the Play sbt plugin for Play projects
-addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.6.20")
+addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.7.0-RC3")

scripts/test-gradle

@@ -1,13 +1,14 @@
 #!/usr/bin/env bash
 
-. "$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )/script-helper"
+set -e
+set -o pipefail
 
 # Using cut because TRAVIS_SCALA_VERSION is the full Scala
 # version (for example 2.12.4), but Gradle expects just the
 # binary version (for example 2.12)
 scala_binary_version=$(echo $TRAVIS_SCALA_VERSION | cut -c1-4)
 
 echo "+------------------------------+"
-echo "| Executing tests using Gradle |" 
+echo "| Executing tests using Gradle |"
 echo "+------------------------------+"
 ./gradlew -Dscala.binary.version=$scala_binary_version check -i --stacktrace

scripts/test-sbt

@@ -1,8 +1,9 @@
 #!/usr/bin/env bash
 
-. "$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )/script-helper"
+set -e
+set -o pipefail
 
 echo "+----------------------------+"
-echo "| Executing tests using sbt  |" 
+echo "| Executing tests using sbt  |"
 echo "+----------------------------+"
 sbt ++$TRAVIS_SCALA_VERSION test