String capitalizedServerEnv = env.substring(0, 1).toUpperCase() + env.substring(1);
            String taskName = "deployTo" + capitalizedServerEnv;
            project.getTasks().register(taskName, Deploy.class, task -> task.getUrl().set(serverEnvironment.getUrl()));
        });
    }
}

        ServerExtension extension = project.getExtensions().create("server", ServerExtension.class);
        extension.getUrl().convention("https://www.myorg.com/server");
        Deploy deployTask = project.getTasks().create("deploy", Deploy.class);
        deployTask.getUrl().set(extension.getUrl());
    }

        ServerExtension extension = project.getExtensions().create("server", ServerExtension.class);
        extension.getUrl().convention("https://www.myorg.com/server");
        Deploy deployTask = project.getTasks().create("deploy", Deploy.class);
        deployTask.getUrl().set(extension.getUrl());
    }

    @Test
    public void greeterPluginAddsGreetingTaskToProject() {
        Project project = ProjectBuilder.builder().build();
        project.getPluginManager().apply("org.example.greeting");

        assertTrue(project.getTasks().getByName("hello") instanceof GreetingTask);
    }
}

    }

    private static void updateDocumentationExtension(Project project, GradleDocumentationExtension extension) {
        TaskProvider<Task> generateTask = project.getTasks().named(TASK_NAME);
        Provider<? extends Directory> outputDirectory = generateTask.flatMap(t -> ((DokkatooGenerateTask) t).getOutputDirectory());

import org.gradle.api.Project;
import org.gradle.api.tasks.bundling.War;

// tag::snippet[]
public class InhouseConventionWarPlugin implements Plugin<Project> {
    public void apply(Project project) {
        project.getTasks().withType(War.class).configureEach(war ->
            war.setWebXml(project.file("src/someWeb.xml")));
    }
}

        Project project = ProjectBuilder.builder().build();
        project.getPlugins().apply("com.example.plugin.greeting");

        // Verify the result
        assertNotNull(project.getTasks().findByName("greet"));
    }

import org.gradle.api.Project;
import org.gradle.api.Plugin;
import org.gradle.api.Task;

public class HelloPlugin implements Plugin<Project> {
  public void apply(Project project) {
    Task hello = project.getTasks().create("hello");
    hello.doLast(new Action<Task>() {
      @Override
      public void execute(Task task) {
        task.getLogger().lifecycle("Hello!");
      }
    });
  }

    @Test
    public void greeterPluginAddsGreetingTaskToProject() {
        Project project = ProjectBuilder.builder().build();
        project.getPluginManager().apply("org.example.greeting");

        assertTrue(project.getTasks().getByName("hello") instanceof GreetingTask);
    }

        GreetingExtension extension = project.getExtensions().create("greeting", GreetingExtension.class);
        extension.getWho().convention("mate");
        TaskProvider<GreetingTask> task = project.getTasks().register("greeting", GreetingTask.class, t -> {
            t.getWho().convention(extension.getWho());
        });
    }