feat: Using dependency walking to verify JDK9 Plugin works (#1065)

* using dependency walking to check JDK9 works

* rollback constant extract

* code format and header format

* improve code

* fix code

* add CI action

* apply for all JDK9 package module

* update ci

* Using plugin rather than code

Signed-off-by: Andy.Chen <iRoiocam@gmail.com>

---------

Signed-off-by: Andy.Chen <iRoiocam@gmail.com>

project/PekkoDependWalker.scala

@@ -0,0 +1,33 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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
+ *
+ *    http://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.
+ */
+
+import Jdk9.CompileJdk9
+import io.github.roiocam.DependWalkerPlugin.autoImport.walkTasks
+import io.github.roiocam.TaskDefine._
+import io.github.roiocam._
+import sbt.Keys._
+import sbt._
+
+object PekkoDependWalker {
+
+  lazy val jdk9CompileCheckSetting = Seq(
+    walkTasks := Seq(
+      WalkTask(
+        ScopeKeyMatcher((Compile / packageBin).scopedKey, CheckBoth),
+        ScopeKeyMatcher((CompileJdk9 / compile).scopedKey, CheckConfig))))
+
+}

project/plugins.sbt

@@ -29,6 +29,7 @@ addSbtPlugin("com.github.pjfanning" % "sbt-source-dist" % "0.1.11")
 addSbtPlugin("com.github.pjfanning" % "sbt-pekko-build" % "0.3.2")
 addSbtPlugin("com.github.reibitto" % "sbt-welcome" % "0.4.0")
 addSbtPlugin("com.github.sbt" % "sbt-license-report" % "1.6.1")
+addSbtPlugin("io.github.roiocam" % "sbt-depend-walker" % "0.1.1")
 
 // We have to deliberately use older versions of sbt-paradox because current Pekko sbt build
 // only loads on JDK 1.8 so we need to bring in older versions of parboiled which support JDK 1.8