BAEL-3353: Asynchronous HTTP Programming with Play Framework (#8349)

* project creation and added ws library

* BAEL-3353: pushing code for article

* BAEL-3353: changing test names

* BAEL-3353: removed unused imports

* BAEL-3353: applied review changes and fixed unit test bug

* BAEL-3353: added more examples to PR

* BAEL-3353: updated test following feedback

* BAEL-3353: add new unit test for large data download

* BAEL-3353: fixed PR following feedback

play-framework/async-http/.g8/form/app/controllers/$model__Camel$Controller.java

@@ -0,0 +1,43 @@
+package controllers;
+
+import play.data.Form;
+import play.data.FormFactory;
+import play.mvc.Controller;
+import play.mvc.Result;
+
+import javax.inject.Inject;
+
+// Add the following to conf/routes 
+/*
+GET     /$model;format="camel"$        controllers.$model;format="Camel"$Controller.$model;format="camel"$Get
+POST    /$model;format="camel"$        controllers.$model;format="Camel"$Controller.$model;format="camel"$Post
+*/
+
+/**
+ * $model;format="Camel"$ form controller for Play Java
+ */
+public class $model;format="Camel"$Controller extends Controller {
+
+    private final Form<$model;format="Camel"$Data> $model;format="camel"$Form;
+
+    @Inject
+    public $model;format="Camel"$Controller(FormFactory formFactory) {
+        this.$model;format="camel"$Form = formFactory.form($model;format="Camel"$Data.class);
+    }
+
+    public Result $model;format="camel"$Get() {
+        return ok(views.html.$model;format="camel"$.form.render($model;format="camel"$Form));
+    }
+
+    public Result $model;format="camel"$Post() {
+        Form<$model;format="Camel"$Data> boundForm = $model;format="camel"$Form.bindFromRequest();
+        if (boundForm.hasErrors()) {
+            return badRequest(views.html.$model;format="camel"$.form.render(boundForm));
+        } else {
+            $model;format="Camel"$Data $model;format="camel"$ = boundForm.get();
+            flash("success", "$model;format="Camel"$ " + $model;format="camel"$);
+            return redirect(routes.$model;format="Camel"$Controller.$model;format="camel"$Get());
+        }
+    }
+
+}

play-framework/async-http/.g8/form/app/controllers/$model__Camel$Data.java

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+package controllers;
+
+import play.data.validation.Constraints;
+
+public class $model;format="Camel"$Data {
+
+    @Constraints.Required
+    private String name;
+
+    @Constraints.Required
+    private Integer age;
+
+    public $model;format="Camel"$Data() {
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("$model;format="Camel"$Data(%s, %s)", name, age);
+    }
+
+}

play-framework/async-http/.g8/form/app/views/$model__camel$/form.scala.html

@@ -0,0 +1,12 @@
+@($model;format="camel"$Form: Form[$model;format="Camel"$Data])
+
+<h1>$model;format="camel"$ form</h1>
+
+@flash.getOrDefault("success", "")
+
+@helper.form(action = routes.$model;format="Camel"$Controller.$model;format="camel"$Post()) {
+  @helper.CSRF.formField
+  @helper.inputText($model;format="camel"$Form("name"))
+  @helper.inputText($model;format="camel"$Form("age"))
+  <input type="submit" value="submit"/>
+}

play-framework/async-http/.g8/form/default.properties

@@ -0,0 +1,2 @@
+description = Generates a Controller with form handling
+model = user

play-framework/async-http/.g8/form/generated-test/README.md

@@ -0,0 +1 @@
+Temporary file until g8-scaffold will generate "test" directory

play-framework/async-http/.g8/form/generated-test/controllers/$model__Camel$ControllerTest.java

@@ -0,0 +1,50 @@
+package controllers;
+
+import org.junit.Test;
+import play.Application;
+import play.filters.csrf.*;
+import play.inject.guice.GuiceApplicationBuilder;
+import play.mvc.*;
+import play.test.WithApplication;
+
+import java.util.HashMap;
+
+import static org.junit.Assert.assertEquals;
+import static play.mvc.Http.RequestBuilder;
+import static play.mvc.Http.Status.OK;
+import static play.test.Helpers.*;
+import static play.api.test.CSRFTokenHelper.*;
+
+public class $model;format="Camel"$ControllerTest extends WithApplication {
+
+    @Override
+    protected Application provideApplication() {
+        return new GuiceApplicationBuilder().build();
+    }
+
+    @Test
+    public void test$model;format="Camel"$Get() {
+        RequestBuilder request = new RequestBuilder()
+                .method(GET)
+                .uri("/$model;format="camel"$");
+
+        Result result = route(app, request);
+        assertEquals(OK, result.status());
+    }
+
+    @Test
+    public void test$model;format="Camel"$Post() {
+        HashMap<String, String> formData = new HashMap<>();
+        formData.put("name", "play");
+        formData.put("age", "4");
+        RequestBuilder request = addCSRFToken(new RequestBuilder()
+                .header(Http.HeaderNames.HOST, "localhost")
+                .method(POST)
+                .bodyForm(formData)
+                .uri("/$model;format="camel"$"));
+
+        Result result = route(app, request);
+        assertEquals(SEE_OTHER, result.status());
+    }
+
+}