[flicbutton] Initial contribution FlicButton Binding (#9234)

* [flicbutton] Initial contribution FlicButton Binding

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Add config parameter address for FlicButton thing

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Run spotless

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Code cleanup & docs improvement

Signed-off-by: Patrick Fink <mail@pfink.de>

* Apply suggestions from code review

Co-authored-by: Fabian Wolter <github@fabian-wolter.de>

* [flicbutton] Update LICENSE

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Apply suggestions from code review (2) & update to 3.1-SNAPSHOT

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Apply suggestions from code review (3) & fix offline status

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Fix 3rd party source for proper IDE integration

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Simplify config parsing

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Move everything to internal package

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Remove hyphens from port parameter docs example

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Change maintainer to openHAB project

Signed-off-by: Patrick Fink <mail@pfink.de>

* Apply docs suggestions + update to 3.2.0-SNAPSHOT

Signed-off-by: Patrick Fink <mail@pfink.de>

Co-authored-by: Matthew Skinner <matt@pcmus.com>

* [flicbutton] Fix bridge offline & reconnect handling

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Close open socket on dispose

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Improve exception error message in ThingStatus

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Fix README title

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Improve exception error message in ThingStatus

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Style fixes

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Use trace log level for button clicks & status changes

Signed-off-by: Patrick Fink <mail@pfink.de>

* Apply doc improvements from code review

Signed-off-by: Patrick Fink <mail@pfink.de>

Co-authored-by: Matthew Skinner <matt@pcmus.com>

* [flicbutton] Add binding to bom/openhab-addons

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Cleanup / remove guava leftover

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Remove online status description

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Improve flicd hostname label

Signed-off-by: Patrick Fink <mail@pfink.de>

Co-authored-by: Fabian Wolter <github@fabian-wolter.de>

* [flicbutton] Do not catch IllegalArgumentException anymore as its not neeed

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Use debug log level instead of info

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Update version and license

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Fix SAT warnings, e.g. add null handling annotations

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Fix SAT warnings (2)

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Concurrency refactoring & fixes

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Cancel initialization task also when already running

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Add javadoc and move FLIC_OPENHAB_EVENT_TRIGGER_MAP constant to constants class

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Use ThingStatusDetail.OFFLINE.GONE when Flic button was removed from bridge

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Fix FlicSimpleclientDiscoveryServiceImpl javadoc

Signed-off-by: Patrick Fink <mail@pfink.de>

* [flicbutton] Fix required definition of thing types

Signed-off-by: Patrick Fink <mail@pfink.de>

Co-authored-by: Fabian Wolter <github@fabian-wolter.de>
Co-authored-by: Matthew Skinner <matt@pcmus.com>
This commit is contained in:
Patrick Fink
2022-02-20 21:53:30 +01:00
committed by GitHub
parent 51bbd34cd7
commit 6c104e241a
42 changed files with 3149 additions and 0 deletions

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<?xml version="1.0" encoding="UTF-8"?>
<features name="org.openhab.binding.flicbutton-${project.version}" xmlns="http://karaf.apache.org/xmlns/features/v1.4.0">
<repository>mvn:org.openhab.core.features.karaf/org.openhab.core.features.karaf.openhab-core/${ohc.version}/xml/features</repository>
<feature name="openhab-binding-flicbutton" description="FlicButton Binding" version="${project.version}">
<feature>openhab-runtime-base</feature>
<bundle start-level="80">mvn:org.openhab.addons.bundles/org.openhab.binding.flicbutton/${project.version}</bundle>
</feature>
</features>

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.openhab.core.thing.CommonTriggerEvents;
import org.openhab.core.thing.ThingTypeUID;
/**
* The {@link FlicButtonBindingConstants} class defines common constants, which are
* used across the whole binding.
*
* @author Patrick Fink - Initial contribution
*/
@NonNullByDefault
public class FlicButtonBindingConstants {
public static final String BINDING_ID = "flicbutton";
// List of all Thing Type UIDs
public static final ThingTypeUID BRIDGE_THING_TYPE = new ThingTypeUID(BINDING_ID, "flicd-bridge");
public static final ThingTypeUID FLICBUTTON_THING_TYPE = new ThingTypeUID(BINDING_ID, "button");
public static final Set<ThingTypeUID> BRIDGE_THING_TYPES_UIDS = Collections.singleton(BRIDGE_THING_TYPE);
public static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Collections.singleton(FLICBUTTON_THING_TYPE);
// List of all configuration options
public static final String CONFIG_HOST_NAME = "hostname";
public static final String CONFIG_PORT = "port";
public static final String CONFIG_ADDRESS = "address";
// List of all Channel ids
public static final String CHANNEL_ID_RAWBUTTON_EVENTS = "rawbutton";
public static final String CHANNEL_ID_BUTTON_EVENTS = "button";
public static final String CHANNEL_ID_BATTERY_LEVEL = "battery-level";
// Other stuff
public static final int BUTTON_OFFLINE_GRACE_PERIOD_SECONDS = 60;
public static final Map<String, String> FLIC_OPENHAB_TRIGGER_EVENT_MAP = Collections
.unmodifiableMap(new HashMap<String, String>() {
{
put("ButtonSingleClick", CommonTriggerEvents.SHORT_PRESSED);
put("ButtonDoubleClick", CommonTriggerEvents.DOUBLE_PRESSED);
put("ButtonHold", CommonTriggerEvents.LONG_PRESSED);
put("ButtonDown", CommonTriggerEvents.PRESSED);
put("ButtonUp", CommonTriggerEvents.RELEASED);
}
});
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.flicbutton.internal.discovery.FlicButtonDiscoveryService;
import org.openhab.binding.flicbutton.internal.discovery.FlicSimpleclientDiscoveryServiceImpl;
import org.openhab.binding.flicbutton.internal.handler.FlicButtonHandler;
import org.openhab.binding.flicbutton.internal.handler.FlicDaemonBridgeHandler;
import org.openhab.core.config.discovery.DiscoveryService;
import org.openhab.core.thing.Bridge;
import org.openhab.core.thing.Thing;
import org.openhab.core.thing.ThingTypeUID;
import org.openhab.core.thing.ThingUID;
import org.openhab.core.thing.binding.BaseThingHandlerFactory;
import org.openhab.core.thing.binding.ThingHandler;
import org.openhab.core.thing.binding.ThingHandlerFactory;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.component.annotations.Component;
/**
* The {@link FlicButtonHandlerFactory} is responsible for creating things and thing
* handlers.
*
* @author Patrick Fink - Initial contribution
*/
@Component(service = ThingHandlerFactory.class, configurationPid = "binding.flicbutton")
@NonNullByDefault
public class FlicButtonHandlerFactory extends BaseThingHandlerFactory {
private static final Set<ThingTypeUID> SUPPORTED_THING_TYPES_UIDS = Stream
.concat(FlicButtonBindingConstants.BRIDGE_THING_TYPES_UIDS.stream(),
FlicButtonBindingConstants.SUPPORTED_THING_TYPES_UIDS.stream())
.collect(Collectors.toSet());
private final Map<ThingUID, @Nullable ServiceRegistration<?>> discoveryServiceRegs = new HashMap<>();
@Override
public boolean supportsThingType(ThingTypeUID thingTypeUID) {
return SUPPORTED_THING_TYPES_UIDS.contains(thingTypeUID);
}
@Override
@Nullable
protected ThingHandler createHandler(Thing thing) {
ThingTypeUID thingTypeUID = thing.getThingTypeUID();
if (thingTypeUID.equals(FlicButtonBindingConstants.FLICBUTTON_THING_TYPE)) {
return new FlicButtonHandler(thing);
} else if (thingTypeUID.equals(FlicButtonBindingConstants.BRIDGE_THING_TYPE)) {
FlicButtonDiscoveryService discoveryService = new FlicSimpleclientDiscoveryServiceImpl(thing.getUID());
FlicDaemonBridgeHandler bridgeHandler = new FlicDaemonBridgeHandler((Bridge) thing, discoveryService);
registerDiscoveryService(discoveryService, thing.getUID());
return bridgeHandler;
}
return null;
}
@Override
protected synchronized void removeHandler(ThingHandler thingHandler) {
if (thingHandler instanceof FlicDaemonBridgeHandler) {
unregisterDiscoveryService(thingHandler.getThing().getUID());
}
super.removeHandler(thingHandler);
}
private synchronized void registerDiscoveryService(FlicButtonDiscoveryService discoveryService,
ThingUID bridgeUID) {
this.discoveryServiceRegs.put(bridgeUID, getBundleContext().registerService(DiscoveryService.class.getName(),
discoveryService, new Hashtable<String, Object>()));
}
private synchronized void unregisterDiscoveryService(ThingUID bridgeUID) {
ServiceRegistration<?> serviceReg = this.discoveryServiceRegs.get(bridgeUID);
if (serviceReg != null) {
FlicButtonDiscoveryService service = (FlicButtonDiscoveryService) getBundleContext()
.getService(serviceReg.getReference());
if (service != null) {
service.deactivate();
}
serviceReg.unregister();
discoveryServiceRegs.remove(bridgeUID);
}
}
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal.discovery;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.openhab.core.config.discovery.DiscoveryService;
import org.openhab.core.thing.ThingUID;
import io.flic.fliclib.javaclient.Bdaddr;
import io.flic.fliclib.javaclient.FlicClient;
/**
* A {@link DiscoveryService} for Flic buttons.
*
* @author Patrick Fink - Initial contribution
*
*/
@NonNullByDefault
public interface FlicButtonDiscoveryService extends DiscoveryService {
/**
*
* @param bdaddr Bluetooth address of the discovered Flic button
* @return UID that was created by the discovery service
*/
public ThingUID flicButtonDiscovered(Bdaddr bdaddr);
public void activate(FlicClient client);
public void deactivate();
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal.discovery;
import java.io.IOException;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.flicbutton.internal.FlicButtonBindingConstants;
import org.openhab.binding.flicbutton.internal.util.FlicButtonUtils;
import org.openhab.core.config.discovery.AbstractDiscoveryService;
import org.openhab.core.config.discovery.DiscoveryResult;
import org.openhab.core.config.discovery.DiscoveryResultBuilder;
import org.openhab.core.thing.ThingUID;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.flic.fliclib.javaclient.Bdaddr;
import io.flic.fliclib.javaclient.FlicClient;
import io.flic.fliclib.javaclient.GeneralCallbacks;
import io.flic.fliclib.javaclient.GetInfoResponseCallback;
import io.flic.fliclib.javaclient.enums.BdAddrType;
import io.flic.fliclib.javaclient.enums.BluetoothControllerState;
/**
* For each configured flicd service, there is a {@link FlicSimpleclientDiscoveryServiceImpl} which will be initialized
* by {@link org.openhab.binding.flicbutton.internal.FlicButtonHandlerFactory}.
*
* It can scan for Flic Buttons already that are already added to fliclib-linux-hci ("verified" buttons), *
* but it does not support adding and verify new buttons on it's own.
* New buttons have to be added (verified) e.g. via simpleclient by Shortcut Labs.
* Background discovery listens for new buttons that are getting verified.
*
* @author Patrick Fink - Initial contribution
*/
@NonNullByDefault
public class FlicSimpleclientDiscoveryServiceImpl extends AbstractDiscoveryService
implements FlicButtonDiscoveryService {
private final Logger logger = LoggerFactory.getLogger(FlicSimpleclientDiscoveryServiceImpl.class);
private boolean activated = false;
private ThingUID bridgeUID;
private @Nullable FlicClient flicClient;
public FlicSimpleclientDiscoveryServiceImpl(ThingUID bridgeUID) {
super(FlicButtonBindingConstants.SUPPORTED_THING_TYPES_UIDS, 2, true);
this.bridgeUID = bridgeUID;
}
@Override
public void activate(FlicClient flicClient) {
this.flicClient = flicClient;
activated = true;
super.activate(null);
}
@Override
public void deactivate() {
activated = false;
super.deactivate();
}
@Override
protected void startScan() {
try {
if (activated) {
discoverVerifiedButtons();
}
} catch (IOException e) {
logger.warn("Error occured during button discovery", e);
if (this.scanListener != null) {
scanListener.onErrorOccurred(e);
}
}
}
protected void discoverVerifiedButtons() throws IOException {
flicClient.getInfo(new GetInfoResponseCallback() {
@Override
public void onGetInfoResponse(@Nullable BluetoothControllerState bluetoothControllerState,
@Nullable Bdaddr myBdAddr, @Nullable BdAddrType myBdAddrType, int maxPendingConnections,
int maxConcurrentlyConnectedButtons, int currentPendingConnections,
boolean currentlyNoSpaceForNewConnection, Bdaddr @Nullable [] verifiedButtons) throws IOException {
for (final @Nullable Bdaddr bdaddr : verifiedButtons) {
if (bdaddr != null) {
flicButtonDiscovered((@NonNull Bdaddr) bdaddr);
}
}
}
});
}
@Override
protected void startBackgroundDiscovery() {
super.startBackgroundDiscovery();
flicClient.setGeneralCallbacks(new GeneralCallbacks() {
@Override
public void onNewVerifiedButton(@Nullable Bdaddr bdaddr) throws IOException {
logger.debug("A new Flic button was added by an external flicd client: {}", bdaddr);
if (bdaddr != null) {
flicButtonDiscovered((@NonNull Bdaddr) bdaddr);
}
}
});
}
@Override
protected void stopBackgroundDiscovery() {
super.stopBackgroundDiscovery();
if (flicClient != null) {
flicClient.setGeneralCallbacks(null);
}
}
@Override
public ThingUID flicButtonDiscovered(Bdaddr bdaddr) {
logger.debug("Flic Button {} discovered!", bdaddr);
ThingUID flicButtonUID = FlicButtonUtils.getThingUIDFromBdAddr(bdaddr, bridgeUID);
DiscoveryResult discoveryResult = DiscoveryResultBuilder.create(flicButtonUID).withBridge(bridgeUID)
.withLabel("Flic Button " + bdaddr.toString().replace(":", ""))
.withProperty(FlicButtonBindingConstants.CONFIG_ADDRESS, bdaddr.toString())
.withRepresentationProperty(FlicButtonBindingConstants.CONFIG_ADDRESS).build();
this.thingDiscovered(discoveryResult);
return flicButtonUID;
}
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal.handler;
import java.util.Collection;
import java.util.Collections;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.core.thing.Thing;
import org.openhab.core.thing.ThingStatus;
import org.openhab.core.thing.ThingStatusDetail;
import org.openhab.core.thing.ThingStatusInfo;
import org.openhab.core.thing.binding.BaseThingHandler;
import org.openhab.core.thing.binding.BridgeHandler;
/**
* The {@link ChildThingHandler} class is an abstract class for handlers that are dependent from a parent
* {@link BridgeHandler}.
*
* @author Patrick Fink - Initial contribution
* @param <BridgeHandlerType> The bridge type this child handler depends on
*/
@NonNullByDefault
public abstract class ChildThingHandler<BridgeHandlerType extends BridgeHandler> extends BaseThingHandler {
private static final Collection<ThingStatus> DEFAULT_TOLERATED_BRIDGE_STATUSES = Collections
.singleton(ThingStatus.ONLINE);
protected boolean bridgeValid = false;
protected @Nullable BridgeHandlerType bridgeHandler;
public ChildThingHandler(Thing thing) {
super(thing);
}
@Override
public void initialize() {
setStatusBasedOnBridge();
if (getBridge() != null) {
linkBridge();
}
}
protected void linkBridge() {
try {
BridgeHandler bridgeHandlerUncasted = getBridge().getHandler();
bridgeHandler = (BridgeHandlerType) bridgeHandlerUncasted;
} catch (ClassCastException e) {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Bridge Type is invalid.");
}
}
protected void setStatusBasedOnBridge() {
setStatusBasedOnBridge(DEFAULT_TOLERATED_BRIDGE_STATUSES);
}
@Override
public void bridgeStatusChanged(ThingStatusInfo bridgeStatusInfo) {
this.setStatusBasedOnBridge();
}
protected void setStatusBasedOnBridge(Collection<ThingStatus> toleratedBridgeStatuses) {
if (getBridge() != null) {
if (toleratedBridgeStatuses.contains(getBridge().getStatus())) {
bridgeValid = true;
} else {
bridgeValid = false;
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_OFFLINE,
"Bridge in unsupported status: " + getBridge().getStatus());
}
} else {
bridgeValid = false;
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.BRIDGE_UNINITIALIZED, "Bridge missing.");
}
}
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal.handler;
import java.io.IOException;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import io.flic.fliclib.javaclient.BatteryStatusListener;
import io.flic.fliclib.javaclient.Bdaddr;
/**
* Each {@link FlicButtonBatteryLevelListener} object listens to the battery status of a specific Flic button
* and calls updates the {@link FlicButtonHandler} accordingly.
*
* @author Patrick Fink - Initial contribution
*
*/
@NonNullByDefault
public class FlicButtonBatteryLevelListener extends BatteryStatusListener.Callbacks {
private final FlicButtonHandler thingHandler;
FlicButtonBatteryLevelListener(FlicButtonHandler thingHandler) {
this.thingHandler = thingHandler;
}
@Override
public void onBatteryStatus(@Nullable Bdaddr bdaddr, int i, long l) throws IOException {
thingHandler.updateBatteryChannel(i);
}
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal.handler;
import java.io.IOException;
import java.util.concurrent.Semaphore;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.flicbutton.internal.FlicButtonBindingConstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.flic.fliclib.javaclient.ButtonConnectionChannel;
import io.flic.fliclib.javaclient.enums.ClickType;
import io.flic.fliclib.javaclient.enums.ConnectionStatus;
import io.flic.fliclib.javaclient.enums.CreateConnectionChannelError;
import io.flic.fliclib.javaclient.enums.DisconnectReason;
import io.flic.fliclib.javaclient.enums.RemovedReason;
/**
* Each {@link FlicButtonEventListener} object listens to events of a specific Flic button and calls the
* associated {@link FlicButtonHandler} back accordingly.
*
* @author Patrick Fink - Initial contribution
*
*/
@NonNullByDefault
public class FlicButtonEventListener extends ButtonConnectionChannel.Callbacks {
private final Logger logger = LoggerFactory.getLogger(FlicButtonEventListener.class);
private final FlicButtonHandler thingHandler;
private final Semaphore channelResponseSemaphore = new Semaphore(0);
FlicButtonEventListener(FlicButtonHandler thingHandler) {
this.thingHandler = thingHandler;
}
public Semaphore getChannelResponseSemaphore() {
return channelResponseSemaphore;
}
@Override
public synchronized void onCreateConnectionChannelResponse(@Nullable ButtonConnectionChannel channel,
@Nullable CreateConnectionChannelError createConnectionChannelError,
@Nullable ConnectionStatus connectionStatus) {
logger.debug("Create response {}: {}, {}", channel.getBdaddr(), createConnectionChannelError, connectionStatus);
// Handling does not differ from Status change, so redirect
if (connectionStatus != null) {
thingHandler.initializeStatus((@NonNull ConnectionStatus) connectionStatus);
channelResponseSemaphore.release();
}
}
@Override
public void onRemoved(@Nullable ButtonConnectionChannel channel, @Nullable RemovedReason removedReason) {
thingHandler.flicButtonRemoved();
logger.debug("Button {} removed. ThingStatus updated to OFFLINE. Reason: {}", channel.getBdaddr(),
removedReason);
}
@Override
public void onConnectionStatusChanged(@Nullable ButtonConnectionChannel channel,
@Nullable ConnectionStatus connectionStatus, @Nullable DisconnectReason disconnectReason) {
logger.trace("New status for {}: {}", channel.getBdaddr(),
connectionStatus + (connectionStatus == ConnectionStatus.Disconnected ? ", " + disconnectReason : ""));
if (connectionStatus != null) {
thingHandler.connectionStatusChanged((@NonNull ConnectionStatus) connectionStatus, disconnectReason);
}
}
@Override
public void onButtonUpOrDown(@Nullable ButtonConnectionChannel channel, @Nullable ClickType clickType,
boolean wasQueued, int timeDiff) throws IOException {
if (channel != null && clickType != null) {
logger.trace("{} {}", channel.getBdaddr(), clickType.name());
String commonTriggerEvent = FlicButtonBindingConstants.FLIC_OPENHAB_TRIGGER_EVENT_MAP.get(clickType.name());
if (commonTriggerEvent != null) {
thingHandler.fireTriggerEvent(commonTriggerEvent);
}
}
}
@Override
public void onButtonSingleOrDoubleClickOrHold(@Nullable ButtonConnectionChannel channel,
@Nullable ClickType clickType, boolean wasQueued, int timeDiff) throws IOException {
// Handling does not differ from up/down events, so redirect
if (channel != null && clickType != null) {
onButtonUpOrDown((@NonNull ButtonConnectionChannel) channel, (@NonNull ClickType) clickType, wasQueued,
timeDiff);
}
}
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal.handler;
import static org.openhab.binding.flicbutton.internal.FlicButtonBindingConstants.*;
import java.io.IOException;
import java.util.Objects;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.core.library.types.DecimalType;
import org.openhab.core.thing.ChannelUID;
import org.openhab.core.thing.CommonTriggerEvents;
import org.openhab.core.thing.Thing;
import org.openhab.core.thing.ThingStatus;
import org.openhab.core.thing.ThingStatusDetail;
import org.openhab.core.thing.ThingStatusInfo;
import org.openhab.core.types.Command;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.flic.fliclib.javaclient.BatteryStatusListener;
import io.flic.fliclib.javaclient.Bdaddr;
import io.flic.fliclib.javaclient.ButtonConnectionChannel;
import io.flic.fliclib.javaclient.enums.ConnectionStatus;
import io.flic.fliclib.javaclient.enums.DisconnectReason;
/**
* The {@link FlicButtonHandler} is responsible for initializing the online status of Flic Buttons
* and trigger channel events when they're used.
*
* @author Patrick Fink - Initial contribution
*/
@NonNullByDefault
public class FlicButtonHandler extends ChildThingHandler<FlicDaemonBridgeHandler> {
private Logger logger = LoggerFactory.getLogger(FlicButtonHandler.class);
private @Nullable ScheduledFuture<?> delayedDisconnectTask;
private @Nullable Future<?> initializationTask;
private @Nullable DisconnectReason latestDisconnectReason;
private @Nullable ButtonConnectionChannel eventConnection;
private @Nullable Bdaddr bdaddr;
private @Nullable BatteryStatusListener batteryConnection;
public FlicButtonHandler(Thing thing) {
super(thing);
}
public @Nullable Bdaddr getBdaddr() {
return bdaddr;
}
@Override
public void handleCommand(ChannelUID channelUID, Command command) {
// Pure sensor -> no commands have to be handled
}
@Override
public void initialize() {
super.initialize();
bdaddr = new Bdaddr((String) this.getThing().getConfiguration().get(CONFIG_ADDRESS));
if (bridgeValid) {
initializationTask = scheduler.submit(this::initializeThing);
}
}
@Override
public void bridgeStatusChanged(ThingStatusInfo bridgeStatusInfo) {
super.bridgeStatusChanged(bridgeStatusInfo);
if (getThing().getStatusInfo().getStatusDetail() == ThingStatusDetail.BRIDGE_OFFLINE && bridgeValid) {
dispose();
initializationTask = scheduler.submit(this::initializeThing);
}
}
private void initializeThing() {
try {
initializeBatteryListener();
initializeEventListener();
// EventListener calls initializeStatus() before releasing so that ThingStatus should be set at this point
if (this.getThing().getStatus().equals(ThingStatus.INITIALIZING)) {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
"Got no response by eventListener");
}
} catch (IOException | InterruptedException e) {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
"Connection setup failed: {}" + e.getMessage());
}
}
private void initializeBatteryListener() throws IOException {
FlicButtonBatteryLevelListener batteryListener = new FlicButtonBatteryLevelListener(this);
BatteryStatusListener batteryConnection = new BatteryStatusListener(getBdaddr(), batteryListener);
bridgeHandler.getFlicClient().addBatteryStatusListener(batteryConnection);
this.batteryConnection = batteryConnection;
}
public void initializeEventListener() throws IOException, InterruptedException {
FlicButtonEventListener eventListener = new FlicButtonEventListener(this);
ButtonConnectionChannel eventConnection = new ButtonConnectionChannel(getBdaddr(), eventListener);
bridgeHandler.getFlicClient().addConnectionChannel(eventConnection);
this.eventConnection = eventConnection;
eventListener.getChannelResponseSemaphore().tryAcquire(5, TimeUnit.SECONDS);
}
@Override
public void dispose() {
cancelDelayedDisconnectTask();
cancelInitializationTask();
try {
if (eventConnection != null) {
bridgeHandler.getFlicClient().removeConnectionChannel(eventConnection);
}
if (batteryConnection != null) {
bridgeHandler.getFlicClient().removeBatteryStatusListener(this.batteryConnection);
}
} catch (IOException e) {
logger.warn("Button channel could not be properly removed", e);
}
super.dispose();
}
void initializeStatus(ConnectionStatus connectionStatus) {
if (connectionStatus == ConnectionStatus.Disconnected) {
setOffline();
} else {
setOnline();
}
}
void connectionStatusChanged(ConnectionStatus connectionStatus, @Nullable DisconnectReason disconnectReason) {
latestDisconnectReason = disconnectReason;
if (connectionStatus == ConnectionStatus.Disconnected) {
// Status change to offline have to be scheduled to improve stability,
// see https://github.com/pfink/openhab2-flicbutton/issues/2
scheduleStatusChangeToOffline();
} else {
setOnline();
}
}
private void scheduleStatusChangeToOffline() {
if (delayedDisconnectTask == null) {
delayedDisconnectTask = scheduler.schedule(this::setOffline, BUTTON_OFFLINE_GRACE_PERIOD_SECONDS,
TimeUnit.SECONDS);
}
}
protected void setOnline() {
updateStatus(ThingStatus.ONLINE, ThingStatusDetail.NONE);
}
protected void setOffline() {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.OFFLINE.NONE,
"Disconnect Reason: " + Objects.toString(latestDisconnectReason));
}
// Cleanup delayedDisconnect on status change to online
@Override
protected void updateStatus(ThingStatus status, ThingStatusDetail statusDetail, @Nullable String description) {
if (status == ThingStatus.ONLINE) {
cancelDelayedDisconnectTask();
}
super.updateStatus(status, statusDetail, description);
}
private void cancelInitializationTask() {
if (initializationTask != null) {
initializationTask.cancel(true);
initializationTask = null;
}
}
private void cancelDelayedDisconnectTask() {
if (delayedDisconnectTask != null) {
delayedDisconnectTask.cancel(false);
delayedDisconnectTask = null;
}
}
void updateBatteryChannel(int percent) {
DecimalType batteryLevel = new DecimalType(percent);
updateState(CHANNEL_ID_BATTERY_LEVEL, batteryLevel);
}
void flicButtonRemoved() {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.OFFLINE.GONE,
"Button was removed/detached from flicd (e.g. by simpleclient).");
}
void fireTriggerEvent(String event) {
String channelID = event.equals(CommonTriggerEvents.PRESSED) || event.equals(CommonTriggerEvents.RELEASED)
? CHANNEL_ID_RAWBUTTON_EVENTS
: CHANNEL_ID_BUTTON_EVENTS;
updateStatus(ThingStatus.ONLINE);
triggerChannel(channelID, event);
}
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal.handler;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
/**
* The configuration of a flicd bridge handled by {@link FlicDaemonBridgeHandler}.
*
* @author Patrick Fink - Initial contribution
*
*/
@NonNullByDefault
public class FlicDaemonBridgeConfiguration {
@Nullable
private String hostname;
private int port;
public @Nullable InetAddress getHost() throws UnknownHostException {
return InetAddress.getByName(hostname);
}
public int getPort() {
return port;
}
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal.handler;
import java.io.IOException;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.eclipse.jdt.annotation.Nullable;
import org.openhab.binding.flicbutton.internal.discovery.FlicButtonDiscoveryService;
import org.openhab.core.thing.Bridge;
import org.openhab.core.thing.ChannelUID;
import org.openhab.core.thing.ThingStatus;
import org.openhab.core.thing.ThingStatusDetail;
import org.openhab.core.thing.binding.BaseBridgeHandler;
import org.openhab.core.types.Command;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import io.flic.fliclib.javaclient.FlicClient;
/**
* The {@link FlicDaemonBridgeHandler} handles a running instance of the fliclib-linux-hci server (flicd).
*
* @author Patrick Fink - Initial contribution
*/
@NonNullByDefault
public class FlicDaemonBridgeHandler extends BaseBridgeHandler {
private final Logger logger = LoggerFactory.getLogger(FlicDaemonBridgeHandler.class);
private static final long REINITIALIZE_DELAY_SECONDS = 10;
// Config parameters
private @Nullable FlicDaemonBridgeConfiguration cfg;
// Services
private FlicButtonDiscoveryService buttonDiscoveryService;
private @Nullable Future<?> flicClientFuture;
// For disposal
private Collection<@Nullable Future<?>> startedTasks = new ArrayList<>(3);
private @Nullable FlicClient flicClient;
public FlicDaemonBridgeHandler(Bridge bridge, FlicButtonDiscoveryService buttonDiscoveryService) {
super(bridge);
this.buttonDiscoveryService = buttonDiscoveryService;
}
public @Nullable FlicClient getFlicClient() {
return flicClient;
}
@Override
public void initialize() {
startedTasks.add(scheduler.submit(this::initializeThing));
}
public void initializeThing() {
try {
initConfigParameters();
startFlicdClientAsync();
activateButtonDiscoveryService();
initThingStatus();
} catch (UnknownHostException ignored) {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.CONFIGURATION_ERROR, "Hostname wrong or unknown!");
} catch (IOException e) {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
"Error connecting to flicd: " + e.getMessage());
dispose();
scheduleReinitialize();
}
}
private void initConfigParameters() {
cfg = getConfigAs(FlicDaemonBridgeConfiguration.class);
}
private void activateButtonDiscoveryService() {
if (flicClient != null) {
buttonDiscoveryService.activate((@NonNull FlicClient) flicClient);
} else {
throw new IllegalStateException("flicClient not properly initialized");
}
}
private void startFlicdClientAsync() throws IOException {
flicClient = new FlicClient(cfg.getHost().getHostAddress(), cfg.getPort());
Runnable flicClientService = () -> {
try {
flicClient.handleEvents();
flicClient.close();
logger.debug("Listening to flicd ended");
} catch (IOException e) {
logger.debug("Error occured while listening to flicd", e);
} finally {
if (Thread.currentThread().isInterrupted()) {
onClientFailure();
}
}
};
if (!Thread.currentThread().isInterrupted()) {
flicClientFuture = scheduler.submit(flicClientService);
startedTasks.add(flicClientFuture);
}
}
private void onClientFailure() {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
"flicd client terminated, probably flicd is not reachable anymore.");
dispose();
scheduleReinitialize();
}
private void initThingStatus() {
if (!flicClientFuture.isDone()) {
updateStatus(ThingStatus.ONLINE);
} else {
updateStatus(ThingStatus.OFFLINE, ThingStatusDetail.COMMUNICATION_ERROR,
"flicd client could not be started, probably flicd is not reachable.");
}
}
@Override
public void dispose() {
super.dispose();
startedTasks.forEach(task -> task.cancel(true));
startedTasks = new ArrayList<>(2);
buttonDiscoveryService.deactivate();
}
private void scheduleReinitialize() {
startedTasks.add(scheduler.schedule(this::initialize, REINITIALIZE_DELAY_SECONDS, TimeUnit.SECONDS));
}
@Override
public void handleCommand(ChannelUID channelUID, Command command) {
// No commands to the fliclib-linux-hci are supported.
// So there is nothing to handle in the bridge handler
}
}

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/**
* Copyright (c) 2010-2022 Contributors to the openHAB project
*
* See the NOTICE file(s) distributed with this work for additional
* information.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.openhab.binding.flicbutton.internal.util;
import org.eclipse.jdt.annotation.NonNullByDefault;
import org.openhab.binding.flicbutton.internal.FlicButtonBindingConstants;
import org.openhab.core.thing.ThingUID;
import io.flic.fliclib.javaclient.Bdaddr;
/**
* The {@link FlicButtonUtils} class defines static utility methods that are used within the binding.
*
* @author Patrick Fink - Initial contribution
*
*/
@NonNullByDefault
public class FlicButtonUtils {
public static ThingUID getThingUIDFromBdAddr(Bdaddr bdaddr, ThingUID bridgeUID) {
String thingID = bdaddr.toString().replace(":", "-");
return new ThingUID(FlicButtonBindingConstants.FLICBUTTON_THING_TYPE, bridgeUID, thingID);
}
public static Bdaddr getBdAddrFromThingUID(ThingUID thingUID) {
String bdaddrRaw = thingUID.getId().replace("-", ":");
return new Bdaddr(bdaddrRaw);
}
}

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<?xml version="1.0" encoding="UTF-8"?>
<binding:binding id="flicbutton" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:binding="https://openhab.org/schemas/binding/v1.0.0"
xsi:schemaLocation="https://openhab.org/schemas/binding/v1.0.0 https://openhab.org/schemas/binding-1.0.0.xsd">
<name>FlicButton Binding</name>
<description>This is the binding for Flic buttons by Shortcut Labs.</description>
</binding:binding>

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<?xml version="1.0" encoding="UTF-8"?>
<thing:thing-descriptions bindingId="flicbutton"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:thing="https://openhab.org/schemas/thing-description/v1.0.0"
xsi:schemaLocation="https://openhab.org/schemas/thing-description/v1.0.0 https://openhab.org/schemas/thing-description-1.0.0.xsd">
<bridge-type id="flicd-bridge">
<label>FlicButton Bridge</label>
<description>This bridge represents a running instance of the fliclib-linux-hci server (flicd).</description>
<config-description>
<parameter name="hostname" type="text" required="false">
<context>network-address</context>
<label>Flic Daemon (flicd) Hostname</label>
<description>IP or Host name of the Flic daemon (flicd).</description>
<default>localhost</default>
</parameter>
<parameter name="port" type="integer" required="false">
<label>Flic Daemon (flicd) Port</label>
<description>Port where flicd is running. Defaults to 5551.</description>
<default>5551</default>
</parameter>
</config-description>
</bridge-type>
<thing-type id="button">
<supported-bridge-type-refs>
<bridge-type-ref id="flicd-bridge"/>
</supported-bridge-type-refs>
<label>Flic Button</label>
<description>The thing(-type) representing a Flic Button</description>
<channels>
<channel id="rawbutton" typeId="system.rawbutton"/>
<channel id="button" typeId="system.button"/>
<channel id="battery-level" typeId="system.battery-level"/>
</channels>
<config-description>
<parameter name="address" type="text" required="true">
<label>Address</label>
<description>Bluetooth address in XX:XX:XX:XX:XX:XX format</description>
</parameter>
</config-description>
</thing-type>
</thing:thing-descriptions>