waterpi

@RestController
@Slf4j
public class GpioService {
    private BlockingQueue<Runnable> blockingQueue = new ArrayBlockingQueue<>(20);
    private ThreadPoolExecutor executor = new ThreadPoolExecutor(1, 1, 5, TimeUnit.SECONDS, blockingQueue);

    private void executeProcess(String was, List<String> cmd) {
        executor.execute(() -> {
            final ProcessBuilder pb = new ProcessBuilder(cmd);
            pb.directory(new File(System.getProperty("user.dir")));
            Process process;
            try {
                log.info("starte: " + was);
                process = pb.start();
                process.waitFor();
            } catch (IOException | InterruptedException e) {
                log.warn("fehlgeschlagen: " + was);
            }
        });
    }

    private void gpioWrite(String was, Integer key, Boolean val) {
        Assert.isTrue(key >= 1 && key <= 32, "bad key");
        executeProcess(was, Arrays.asList("sudo", "gpio", "write", "" + key, (val ? "1" : "0")));
    }

    private void gpioSetModeOut(String was, Integer key) {
        Assert.isTrue(key >= 1 && key <= 32, "bad key");
        executeProcess(was, Arrays.asList("sudo", "gpio", "mode", "" + key, "out"));
    }

    @PostConstruct
    private void initRelayGpios() {
        IntStream.rangeClosed(1, 8).forEach(gpio -> {
            gpioWrite("init off " + gpio, gpio, Boolean.TRUE);
            gpioSetModeOut("init mode " + gpio, gpio);
        });
    }

    private void pumpeAn() {
        gpioWrite("pumpe an", 1, Boolean.FALSE);
    }

    private void pumpeAus() {
        gpioWrite("pumpe aus", 1, Boolean.TRUE);
    }

    private void pumpeAnUndAlleAusserDiesemVentilZu(Integer anlassen) {
        IntStream.rangeClosed(2, 7)
            .filter(gpio -> !anlassen.equals(gpio))
            .forEach(gpio -> gpioWrite("andere aus " + gpio, gpio, Boolean.TRUE));
        pumpeAn();
    }

    @GetMapping("api/feierabend")
    void feierabend() {
        pumpeAus();
        IntStream.rangeClosed(2, 7)
            .forEach(gpio -> gpioWrite("feierabend aus " + gpio, gpio, Boolean.TRUE));
    }

    @GetMapping("api/wasserFeuerkorbAn")
    void wasserFeuerkorbAn() {
        gpioWrite("wasserFeuerkorb an", 2, Boolean.FALSE);
        pumpeAnUndAlleAusserDiesemVentilZu(2);
    }

    @GetMapping("api/wasserSaunaAn")
    void wasserSaunaAn() {
        gpioWrite("WasserSauna an", 3, Boolean.FALSE);
        pumpeAnUndAlleAusserDiesemVentilZu(3);
    }

    //weitere Methoden für weitere Sprenger/Schläuche
}

<form>
  <input type="radio" name="rad" id="rad_feierabend" value="feierabend" onclick="fetch('api/feierabend')">       <label for="rad_feierabend">Feierabend</label>
  <input type="radio" name="rad" id="rad_feuerkorb"  value="feuerkorb"  onclick="fetch('api/wasserFeuerkorbAn')"><label for="rad_feuerkorb">Feuerkorb</label>
  <input type="radio" name="rad" id="rad_sauna"      value="sauna"      onclick="fetch('api/wasserSaunaAn')">    <label for="rad_sauna">Sauna</label>
  <!-- weitere Radios für weitere Sprenger/Schläuche -->
</form>

@reboot cd /home/pi/Documents/waterpi; java -jar waterpi.ja