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@jamesward
jamesward committed May 7, 2012
1 parent 1c3f1f3 commit b8c3f68
Showing 1 changed file with 44 additions and 43 deletions.
87 changes: 44 additions & 43 deletions JAVA.md
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Original file line number Diff line number Diff line change
Expand Up @@ -151,8 +151,8 @@ Now that you have a new route for `/foo` lets create a test for that route. Now

@Test
public void testFooRoute() {
Result result = routeAndCall(fakeRequest(GET, "/foo"));
assertThat(result).isNotNull();
Result result = routeAndCall(fakeRequest(GET, "/foo"));
assertThat(result).isNotNull();
}

}
Expand Down Expand Up @@ -221,11 +221,11 @@ You can do functional tests against a controller by simply creating a new JUnit

@Test
public void callIndex() {
Result result = callAction(controllers.routes.ref.Application.index());
assertThat(status(result)).isEqualTo(OK);
assertThat(contentType(result)).isEqualTo("text/html");
assertThat(charset(result)).isEqualTo("utf-8");
assertThat(contentAsString(result)).contains("hello, world");
Result result = callAction(controllers.routes.ref.Application.index());
assertThat(status(result)).isEqualTo(OK);
assertThat(contentType(result)).isEqualTo("text/html");
assertThat(charset(result)).isEqualTo("utf-8");
assertThat(contentAsString(result)).contains("hello, world");
}

}
Expand Down Expand Up @@ -320,9 +320,9 @@ To test a template directly, create a new `test/IndexTest.java` file containing:

@Test
public void indexTemplate() {
Content html = views.html.index.render("test");
assertThat(contentType(html)).isEqualTo("text/html");
assertThat(contentAsString(html)).contains("TEST");
Content html = views.html.index.render("test");
assertThat(contentType(html)).isEqualTo("text/html");
assertThat(contentAsString(html)).contains("TEST");
}

}
Expand Down Expand Up @@ -501,26 +501,26 @@ Start by adding a new method to the `app/controllers/Application.java` file that
Now add a new method named `addTask`:

public static Result addTask() {
Form<Task> form = form(Task.class).bindFromRequest();
Task task = form.get();
task.save();
return redirect(routes.Application.index());
Form<Task> form = form(Task.class).bindFromRequest();
Task task = form.get();
task.save();
return redirect(routes.Application.index());
}


Now add a new route to the `conf/routes` file that will handle `POST` requests to `/tasks` and handle the request with the `Application.addTask()` method:
Now add a new route to the `conf/routes` file that will handle `POST` requests to `/task` and handle the request with the `Application.addTask()` method:

POST /task controllers.Application.addTask()


Now create a form in the `app/views/index.scala.html` template for adding new `Tasks`. Replace the `@play20.welcome` line with:

@message.toUpperCase
@message.toUpperCase
@helper.form(action = routes.Application.addTask()) {
<input name="contents"/>
<input type="submit"/>
}
@helper.form(action = routes.Application.addTask()) {
<input name="contents"/>
<input type="submit"/>
}


Test out the new UI by loading the app in your browser:
Expand Down Expand Up @@ -550,8 +550,8 @@ Create a new `getTasks` controller method in the `app/controllers/Application.ja
Then add the new `getTasks` method:

public static Result getTasks() {
List<Task> tasks = new Model.Finder(String.class, Task.class).all();
return ok(toJson(tasks));
List<Task> tasks = new Model.Finder(String.class, Task.class).all();
return ok(toJson(tasks));
}


Expand Down Expand Up @@ -597,7 +597,7 @@ Update the `app/views/main.scala.html` file to include the compiled and minified
<script src="@routes.Assets.at("javascripts/index.min.js")" type="text/javascript"></script>


Check out the app in your browser:
Check out the app in your browser and verify that the list of tasks is displayed:
[http://localhost:9000/](http://localhost:9000/)


Expand All @@ -614,13 +614,13 @@ Make the App Pretty with Twitter Bootstrap

[Twitter Bootstrap](http://twitter.github.com/bootstrap) is a CSS library that makes it easy to make a web app look better. To use Twitter Bootstrap start by adding the [WebJar](http://webjar.github.com) dependency and repository resolver to the `project/Build.scala` file:

val appDependencies = Seq(
"com.github.twitter" % "bootstrap" % "2.0.2"
)
val appDependencies = Seq(
"com.github.twitter" % "bootstrap" % "2.0.2"
)

val main = PlayProject(appName, appVersion, appDependencies, mainLang = JAVA).settings(
resolvers += "webjars" at "http://webjars.github.com/m2"
)
val main = PlayProject(appName, appVersion, appDependencies, mainLang = JAVA).settings(
resolvers += "webjars" at "http://webjars.github.com/m2"
)


Now restart the Play server so that it will fetch the new dependency. To use Bootstrap simply include the following line in the `app/views/main.scala.html` file, making sure it is between the `<title>` and the `main.css` lines:
Expand Down Expand Up @@ -680,12 +680,13 @@ Update the `app/views/index.scala.html` file to use Bootstrap for a nice header,
The template now takes a second parameter that is a `Form[Task]` and must be passed to the template. This will be used for helping with form validation. Update the `index()` method in the `app/controllers/Application.java` file to pass the new required parameter:

public static Result index() {
return ok(index.render("hello, world", form(Task.class)));
return ok(index.render("hello, world", form(Task.class)));
}


Update the `test/IndexTest.java` file to pass the form to the template. First add the import:

import play.data.Form;
import models.Task;

Update the first line of the `indexTemplate` test method:
Expand Down Expand Up @@ -726,15 +727,15 @@ Add the `@Constraints.Required` annotation to the `contents` field:
Update the `addTask` method on the `app/controllers/Application.java` controller to check for form errors and if it sees any then render the form instead of trying to save the Task:

public static Result addTask() {
Form<Task> form = form(Task.class).bindFromRequest();
if (form.hasErrors()) {
return badRequest(index.render("hello, world", form));
}
else {
Task task = form.get();
task.save();
return redirect(routes.Application.index());
}
Form<Task> form = form(Task.class).bindFromRequest();
if (form.hasErrors()) {
return badRequest(index.render("hello, world", form));
}
else {
Task task = form.get();
task.save();
return redirect(routes.Application.index());
}
}


Expand All @@ -756,10 +757,10 @@ Heroku provides each application with a small, free PostgreSQL database. To swi

First, add the PostgreSQL database driver as a dependency of the application by `project/Build.scala` file with the following:

val appDependencies = Seq(
"com.github.twitter" % "bootstrap" % "2.0.2",
"postgresql" % "postgresql" % "9.1-901-1.jdbc4"
)
val appDependencies = Seq(
"com.github.twitter" % "bootstrap" % "2.0.2",
"postgresql" % "postgresql" % "9.1-901-1.jdbc4"
)


Then update the `Procfile` to override the default database settings when Heroku runs the app:
Expand Down

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