Use 4.0.1 version of the swim backend

Author: ajay-gov

gradle.properties

@@ -1 +1 @@
-swim.version=3.11.0
+swim.version=4.0.1

http_lanes/src/main/java/swim/basic/UnitAgent.java

@@ -25,16 +25,16 @@ public class UnitAgent extends AbstractAgent {
   HttpLane<Value> http = this.<Value>httpLane()
       .doRespond(request -> {
         if (HttpMethod.POST.equals(request.method())) {
-          this.state.set(request.entity().get());
+          this.state.set(request.payload().get());
         }
-        return HttpResponse.from(HttpStatus.OK)
+        return HttpResponse.create(HttpStatus.OK)
             .body(Recon.toString(this.state.get()), MediaType.applicationXRecon());
       });
 
   @SwimLane("httpJson")
   HttpLane<Value> httpJson = this.<Value>httpLane()
       .doRespond(request ->
-          HttpResponse.from(HttpStatus.OK)
+          HttpResponse.create(HttpStatus.OK)
               .body(Json.toString(this.state.get()), MediaType.applicationJson()));
 
   @Override

project.gradle

@@ -48,7 +48,7 @@ afterEvaluate {
                                 '--patch-module', "$moduleName=" + files(sourceSets.main.resources.srcDirs).asPath]
         options.encoding = 'UTF-8'
         source = sourceSets.main.allJava
-        sourceCompatibility = JavaVersion.VERSION_1_9
-        targetCompatibility = JavaVersion.VERSION_1_9
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
 }