The temperature application using JavaFX and RaspberryPi.

gistfile1.java

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.HBox;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;

/**
 *
 * @author tomo
 */
public class RaspberryPi extends Application {
    
    @Override
    public void start(Stage primaryStage) {
        HBox root = new HBox();
        root.setPadding(new Insets(10));
        root.setSpacing(10);
        Label temperatureLable = new Label("温度：");
        final Text temperatureText = new Text();
        Button button = new Button("get temperature");
        button.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent t) {
                temperatureText.setText(getTemperature());
            }
        });
        primaryStage.setTitle("Hello Raspberry Pi!");
        root.getChildren().addAll(temperatureLable,temperatureText, button);
        primaryStage.setScene(new Scene(root, 500, 100));
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }

    private String getTemperature() {
        Client client = ClientBuilder.newClient();
        String uriTemplate = "http://192.168.1.11:8080/things";
        return client.target(uriTemplate).path("/humidity").request().get(String.class);
    }
    
}