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[tesla] Add null annotations (#17582)
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Signed-off-by: Leo Siepel <[email protected]>
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@lsiepel
lsiepel authored Dec 8, 2024
1 parent 931f39f commit f39415b
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Showing 37 changed files with 981 additions and 665 deletions.
20 changes: 13 additions & 7 deletions ...ing.tesla/src/main/java/org/openhab/binding/tesla/internal/TeslaChannelSelectorProxy.java
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@
import java.util.Date;
import java.util.Map;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.core.library.types.DateTimeType;
import org.openhab.core.library.types.DecimalType;
import org.openhab.core.library.types.OnOffType;
Expand All @@ -33,13 +35,15 @@
import org.openhab.core.library.unit.Units;
import org.openhab.core.types.State;
import org.openhab.core.types.Type;
import org.openhab.core.types.UnDefType;

/**
* The {@link TeslaChannelSelectorProxy} class is a helper class to instantiate
* and parameterize the {@link TeslaChannelSelector} Enum
*
* @author Karel Goderis - Initial contribution
*/
@NonNullByDefault
public class TeslaChannelSelectorProxy {

public enum TeslaChannelSelector {
Expand Down Expand Up @@ -939,11 +943,11 @@ public State getState(String s, TeslaChannelSelectorProxy proxy, Map<String, Str
@Override
public State getState(String s, TeslaChannelSelectorProxy proxy, Map<String, String> properties) {
State someState = super.getState(s);
if (someState != null) {
if (someState != UnDefType.UNDEF) {
BigDecimal value = ((DecimalType) someState).toBigDecimal();
return new QuantityType<>(value, ImperialUnits.MILES_PER_HOUR);
} else {
return null;
return UnDefType.UNDEF;
}
}
},
Expand Down Expand Up @@ -1062,12 +1066,12 @@ public State getState(String s, TeslaChannelSelectorProxy proxy, Map<String, Str
},
WHEEL_TYPE("wheel_type", "wheeltype", StringType.class, true);

private final String restID;
private final @Nullable String restID;
private final String channelID;
private Class<? extends Type> typeClass;
private final boolean isProperty;

private TeslaChannelSelector(String restID, String channelID, Class<? extends Type> typeClass,
private TeslaChannelSelector(@Nullable String restID, String channelID, Class<? extends Type> typeClass,
boolean isProperty) {
this.restID = restID;
this.channelID = channelID;
Expand All @@ -1077,7 +1081,8 @@ private TeslaChannelSelector(String restID, String channelID, Class<? extends Ty

@Override
public String toString() {
return restID;
String restID = this.restID;
return restID != null ? restID : "null";
}

public String getChannelID() {
Expand Down Expand Up @@ -1107,7 +1112,7 @@ public State getState(String s) {
| InvocationTargetException e) {
}

return null;
return UnDefType.UNDEF;
}

public static TeslaChannelSelector getValueSelectorFromChannelID(String valueSelectorText)
Expand All @@ -1124,7 +1129,8 @@ public static TeslaChannelSelector getValueSelectorFromChannelID(String valueSel
public static TeslaChannelSelector getValueSelectorFromRESTID(String valueSelectorText)
throws IllegalArgumentException {
for (TeslaChannelSelector c : TeslaChannelSelector.values()) {
if (c.restID != null && c.restID.equals(valueSelectorText)) {
String restID = c.restID;
if (restID != null && restID.equals(valueSelectorText)) {
return c;
}
}
Expand Down
14 changes: 8 additions & 6 deletions .../main/java/org/openhab/binding/tesla/internal/discovery/TeslaVehicleDiscoveryService.java
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Expand Up @@ -12,13 +12,14 @@
*/
package org.openhab.binding.tesla.internal.discovery;

import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.tesla.internal.TeslaBindingConstants;
import org.openhab.binding.tesla.internal.TeslaHandlerFactory;
import org.openhab.binding.tesla.internal.handler.TeslaAccountHandler;
import org.openhab.binding.tesla.internal.handler.VehicleListener;
import org.openhab.binding.tesla.internal.protocol.Vehicle;
import org.openhab.binding.tesla.internal.protocol.VehicleConfig;
import org.openhab.binding.tesla.internal.protocol.dto.Vehicle;
import org.openhab.binding.tesla.internal.protocol.dto.VehicleConfig;
import org.openhab.core.config.discovery.AbstractThingHandlerDiscoveryService;
import org.openhab.core.config.discovery.DiscoveryResult;
import org.openhab.core.config.discovery.DiscoveryResultBuilder;
Expand All @@ -36,8 +37,9 @@
* @author Kai Kreuzer - Initial contribution
*
*/
@NonNullByDefault
@Component(scope = ServiceScope.PROTOTYPE, service = TeslaVehicleDiscoveryService.class)
public class TeslaVehicleDiscoveryService extends AbstractThingHandlerDiscoveryService<@NonNull TeslaAccountHandler>
public class TeslaVehicleDiscoveryService extends AbstractThingHandlerDiscoveryService<TeslaAccountHandler>
implements VehicleListener {
private final Logger logger = LoggerFactory.getLogger(TeslaVehicleDiscoveryService.class);

Expand All @@ -63,13 +65,13 @@ public void dispose() {
}

@Override
public void vehicleFound(Vehicle vehicle, VehicleConfig vehicleConfig) {
public void vehicleFound(Vehicle vehicle, @Nullable VehicleConfig vehicleConfig) {
ThingTypeUID type = vehicleConfig == null ? TeslaBindingConstants.THING_TYPE_VEHICLE
: vehicleConfig.identifyModel();
if (type != null) {
logger.debug("Found a {} vehicle", type.getId());
ThingUID thingUID = new ThingUID(type, thingHandler.getThing().getUID(), vehicle.vin);
DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withLabel(vehicle.display_name)
DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(thingUID).withLabel(vehicle.displayName)
.withBridge(thingHandler.getThing().getUID()).withProperty(TeslaBindingConstants.VIN, vehicle.vin)
.build();
thingDiscovered(discoveryResult);
Expand Down
108 changes: 58 additions & 50 deletions ...g.tesla/src/main/java/org/openhab/binding/tesla/internal/handler/TeslaAccountHandler.java
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Original file line number Diff line number Diff line change
Expand Up @@ -31,12 +31,14 @@
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.tesla.internal.TeslaBindingConstants;
import org.openhab.binding.tesla.internal.discovery.TeslaVehicleDiscoveryService;
import org.openhab.binding.tesla.internal.protocol.Vehicle;
import org.openhab.binding.tesla.internal.protocol.VehicleConfig;
import org.openhab.binding.tesla.internal.protocol.VehicleData;
import org.openhab.binding.tesla.internal.protocol.sso.TokenResponse;
import org.openhab.binding.tesla.internal.protocol.dto.Vehicle;
import org.openhab.binding.tesla.internal.protocol.dto.VehicleConfig;
import org.openhab.binding.tesla.internal.protocol.dto.VehicleData;
import org.openhab.binding.tesla.internal.protocol.dto.sso.TokenResponse;
import org.openhab.core.io.net.http.HttpClientFactory;
import org.openhab.core.thing.Bridge;
import org.openhab.core.thing.ChannelUID;
Expand All @@ -63,6 +65,7 @@
* @author Nicolai Grødum - Adding token based auth
* @author Kai Kreuzer - refactored to use separate vehicle handlers
*/
@NonNullByDefault
public class TeslaAccountHandler extends BaseBridgeHandler {

public static final int API_MAXIMUM_ERRORS_IN_INTERVAL = 3;
Expand All @@ -86,17 +89,20 @@ public class TeslaAccountHandler extends BaseBridgeHandler {
private final ThingTypeMigrationService thingTypeMigrationService;

// Threading and Job related variables
@Nullable
protected ScheduledFuture<?> connectJob;

protected long lastTimeStamp;
protected long apiIntervalTimestamp;
protected int apiIntervalErrors;
protected long eventIntervalTimestamp;
protected int eventIntervalErrors;
protected ReentrantLock lock;

protected ReentrantLock lock = new ReentrantLock();

private final Gson gson = new Gson();

@Nullable
private TokenResponse logonToken;
private final Set<VehicleListener> vehicleListeners = new HashSet<>();

Expand All @@ -122,31 +128,17 @@ public void initialize() {

updateStatus(ThingStatus.UNKNOWN);

lock = new ReentrantLock();
lock.lock();

try {
if (connectJob == null || connectJob.isCancelled()) {
connectJob = scheduler.scheduleWithFixedDelay(connectRunnable, 0, CONNECT_RETRY_INTERVAL,
TimeUnit.MILLISECONDS);
}
} finally {
lock.unlock();
}
connectJob = scheduler.scheduleWithFixedDelay(connectRunnable, 0, CONNECT_RETRY_INTERVAL,
TimeUnit.MILLISECONDS);
}

@Override
public void dispose() {
logger.debug("Disposing the Tesla account handler for {}", getThing().getUID());

lock.lock();
try {
if (connectJob != null && !connectJob.isCancelled()) {
connectJob.cancel(true);
connectJob = null;
}
} finally {
lock.unlock();
ScheduledFuture<?> connectJob = this.connectJob;
if (connectJob != null && !connectJob.isCancelled()) {
connectJob.cancel(true);
this.connectJob = null;
}
}

Expand All @@ -167,19 +159,25 @@ public void handleCommand(ChannelUID channelUID, Command command) {
// we do not have any channels -> nothing to do here
}

public String getAuthHeader() {
if (logonToken != null) {
return "Bearer " + logonToken.access_token;
public @Nullable String getAuthHeader() {
String accessToken = getAccessToken();
if (accessToken != null) {
return "Bearer " + accessToken;
} else {
return null;
}
}

public String getAccessToken() {
return logonToken.access_token;
public @Nullable String getAccessToken() {
TokenResponse logonToken = this.logonToken;
if (logonToken != null) {
return logonToken.accessToken;
} else {
return null;
}
}

protected boolean checkResponse(Response response, boolean immediatelyFail) {
protected boolean checkResponse(@Nullable Response response, boolean immediatelyFail) {
if (response != null && response.getStatus() == 200) {
return true;
} else if (response != null && response.getStatus() == 401) {
Expand Down Expand Up @@ -221,17 +219,23 @@ protected Vehicle[] queryVehicles() {

if (!checkResponse(response, true)) {
logger.debug("An error occurred while querying the vehicle");
return null;
return new Vehicle[0];
}

JsonObject jsonObject = JsonParser.parseString(response.readEntity(String.class)).getAsJsonObject();
Vehicle[] vehicleArray = gson.fromJson(jsonObject.getAsJsonArray("response"), Vehicle[].class);

if (vehicleArray == null) {
logger.debug("Response resulted in unexpected null array");
return new Vehicle[0];
}
for (Vehicle vehicle : vehicleArray) {
String responseString = invokeAndParse(vehicle.id, null, null, dataRequestTarget, 0);
VehicleConfig vehicleConfig = null;
if (responseString != null && !responseString.isBlank()) {
vehicleConfig = gson.fromJson(responseString, VehicleData.class).vehicle_config;
VehicleData vehicleData = gson.fromJson(responseString, VehicleData.class);
if (vehicleData != null) {
vehicleConfig = vehicleData.vehicleConfig;
}
}
for (VehicleListener listener : vehicleListeners) {
listener.vehicleFound(vehicle, vehicleConfig);
Expand All @@ -251,7 +255,7 @@ protected Vehicle[] queryVehicles() {
logger.debug("Querying the vehicle: VIN {}", vehicle.vin);
String vehicleJSON = gson.toJson(vehicle);
vehicleHandler.parseAndUpdate("queryVehicle", null, vehicleJSON);
logger.trace("Vehicle is id {}/vehicle_id {}/tokens {}", vehicle.id, vehicle.vehicle_id,
logger.trace("Vehicle is id {}/vehicle_id {}/tokens {}", vehicle.id, vehicle.vehicleId,
vehicle.tokens);
}
}
Expand All @@ -274,8 +278,8 @@ ThingStatusInfo authenticate() {
logger.debug("Current authentication time {}", DATE_FORMATTER.format(Instant.now()));

if (token != null) {
Instant tokenCreationInstant = Instant.ofEpochMilli(token.created_at * 1000);
Instant tokenExpiresInstant = Instant.ofEpochMilli((token.created_at + token.expires_in) * 1000);
Instant tokenCreationInstant = Instant.ofEpochMilli(token.createdAt * 1000);
Instant tokenExpiresInstant = Instant.ofEpochMilli((token.createdAt + token.expiresIn) * 1000);
logger.debug("Found a request token from {}", DATE_FORMATTER.format(tokenCreationInstant));
logger.debug("Access token expiration time {}", DATE_FORMATTER.format(tokenExpiresInstant));

Expand Down Expand Up @@ -306,8 +310,8 @@ ThingStatusInfo authenticate() {
return new ThingStatusInfo(ThingStatus.ONLINE, ThingStatusDetail.NONE, null);
}

protected String invokeAndParse(String vehicleId, String command, String payLoad, WebTarget target,
int noOfretries) {
protected @Nullable String invokeAndParse(@Nullable String vehicleId, @Nullable String command,
@Nullable String payLoad, WebTarget target, int noOfretries) {
logger.debug("Invoking: {}", command);

if (vehicleId != null) {
Expand All @@ -316,26 +320,29 @@ protected String invokeAndParse(String vehicleId, String command, String payLoad
if (payLoad != null) {
if (command != null) {
response = target.resolveTemplate("cmd", command).resolveTemplate("vid", vehicleId).request()
.header("Authorization", "Bearer " + logonToken.access_token)
.header("Authorization", getAuthHeader())
.post(Entity.entity(payLoad, MediaType.APPLICATION_JSON_TYPE));
} else {
response = target.resolveTemplate("vid", vehicleId).request()
.header("Authorization", "Bearer " + logonToken.access_token)
.header("Authorization", getAuthHeader())
.post(Entity.entity(payLoad, MediaType.APPLICATION_JSON_TYPE));
}
} else if (command != null) {
response = target.resolveTemplate("cmd", command).resolveTemplate("vid", vehicleId)
.request(MediaType.APPLICATION_JSON_TYPE)
.header("Authorization", "Bearer " + logonToken.access_token).get();
.request(MediaType.APPLICATION_JSON_TYPE).header("Authorization", getAuthHeader()).get();
} else {
response = target.resolveTemplate("vid", vehicleId).request(MediaType.APPLICATION_JSON_TYPE)
.header("Authorization", "Bearer " + logonToken.access_token).get();
.header("Authorization", getAuthHeader()).get();
}

if (!checkResponse(response, false)) {
if (response == null) {
logger.debug(
"An error occurred while communicating with the vehicle during request, the response was null");
return null;
}
logger.debug("An error occurred while communicating with the vehicle during request {}: {}: {}",
command, (response != null) ? response.getStatus() : "",
(response != null) ? response.getStatusInfo().getReasonPhrase() : "No Response");
command, response.getStatus(), response.getStatusInfo().getReasonPhrase());
if (response.getStatus() == 408 && noOfretries > 0) {
try {
// we give the vehicle a moment to wake up and try the request again
Expand Down Expand Up @@ -377,7 +384,7 @@ protected String invokeAndParse(String vehicleId, String command, String payLoad
if (authenticationResult.getStatus() == ThingStatus.ONLINE) {
// get a list of vehicles
Response response = productsTarget.request(MediaType.APPLICATION_JSON_TYPE)
.header("Authorization", "Bearer " + logonToken.access_token).get();
.header("Authorization", getAuthHeader()).get();

if (response != null && response.getStatus() == 200 && response.hasEntity()) {
updateStatus(ThingStatus.ONLINE);
Expand Down Expand Up @@ -436,11 +443,12 @@ protected class Request implements Runnable {

private TeslaVehicleHandler handler;
private String request;
@Nullable
private String payLoad;
private WebTarget target;
private boolean allowWakeUpForCommands;

public Request(TeslaVehicleHandler handler, String request, String payLoad, WebTarget target,
public Request(TeslaVehicleHandler handler, String request, @Nullable String payLoad, WebTarget target,
boolean allowWakeUpForCommands) {
this.handler = handler;
this.request = request;
Expand All @@ -467,8 +475,8 @@ public void run() {
}
}

public Request newRequest(TeslaVehicleHandler teslaVehicleHandler, String command, String payLoad, WebTarget target,
boolean allowWakeUpForCommands) {
public Request newRequest(TeslaVehicleHandler teslaVehicleHandler, String command, @Nullable String payLoad,
WebTarget target, boolean allowWakeUpForCommands) {
return new Request(teslaVehicleHandler, command, payLoad, target, allowWakeUpForCommands);
}

Expand Down
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