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[basicprofiles] State filter profile (#531)
* State filter profile Signed-off-by: Arne Seime <[email protected]> Co-authored-by: J-N-K <[email protected]>
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...java/org/smarthomej/transform/basicprofiles/internal/config/StateFilterProfileConfig.java
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| /** | ||
| * Copyright (c) 2021-2023 Contributors to the SmartHome/J 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.smarthomej.transform.basicprofiles.internal.config; | ||
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| import org.eclipse.jdt.annotation.NonNullByDefault; | ||
| import org.openhab.core.types.UnDefType; | ||
| import org.smarthomej.transform.basicprofiles.internal.profiles.StateFilterProfile; | ||
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| /** | ||
| * Configuration class for {@link StateFilterProfile}. | ||
| * | ||
| * @author Arne Seime - Initial contribution | ||
| */ | ||
| @NonNullByDefault | ||
| public class StateFilterProfileConfig { | ||
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| public String conditions = ""; | ||
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| public String mismatchState = UnDefType.UNDEF.toString(); | ||
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| public String separator = ","; | ||
| } |
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219 changes: 219 additions & 0 deletions
219
...ain/java/org/smarthomej/transform/basicprofiles/internal/profiles/StateFilterProfile.java
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| /** | ||
| * Copyright (c) 2021-2023 Contributors to the SmartHome/J 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.smarthomej.transform.basicprofiles.internal.profiles; | ||
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| import static org.smarthomej.transform.basicprofiles.internal.factory.BasicProfilesFactory.STATE_FILTER_UID; | ||
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Locale; | ||
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| import org.eclipse.jdt.annotation.NonNullByDefault; | ||
| import org.eclipse.jdt.annotation.Nullable; | ||
| import org.openhab.core.items.Item; | ||
| import org.openhab.core.items.ItemNotFoundException; | ||
| import org.openhab.core.items.ItemRegistry; | ||
| import org.openhab.core.library.types.StringType; | ||
| import org.openhab.core.thing.profiles.ProfileCallback; | ||
| import org.openhab.core.thing.profiles.ProfileContext; | ||
| import org.openhab.core.thing.profiles.ProfileTypeUID; | ||
| import org.openhab.core.thing.profiles.StateProfile; | ||
| import org.openhab.core.types.Command; | ||
| import org.openhab.core.types.State; | ||
| import org.openhab.core.types.TypeParser; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.smarthomej.transform.basicprofiles.internal.config.StateFilterProfileConfig; | ||
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| /** | ||
| * Accepts updates to state as long as conditions are met. Support for sending fixed state if conditions are *not* | ||
| * met. | ||
| * | ||
| * @author Arne Seime - Initial contribution | ||
| */ | ||
| @NonNullByDefault | ||
| public class StateFilterProfile implements StateProfile { | ||
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| private final Logger logger = LoggerFactory.getLogger(StateFilterProfile.class); | ||
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| private final ItemRegistry itemRegistry; | ||
| private final ProfileCallback callback; | ||
| private List<Class<? extends State>> acceptedDataTypes; | ||
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| private List<StateCondition> conditions = List.of(); | ||
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| private @Nullable State configMismatchState = null; | ||
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| public StateFilterProfile(ProfileCallback callback, ProfileContext context, ItemRegistry itemRegistry) { | ||
| this.callback = callback; | ||
| acceptedDataTypes = context.getAcceptedDataTypes(); | ||
| this.itemRegistry = itemRegistry; | ||
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| StateFilterProfileConfig config = context.getConfiguration().as(StateFilterProfileConfig.class); | ||
| if (config != null) { | ||
| conditions = parseConditions(config.conditions, config.separator); | ||
| configMismatchState = parseState(config.mismatchState); | ||
| } | ||
| } | ||
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| private List<StateCondition> parseConditions(@Nullable String config, String separator) { | ||
| if (config == null) { | ||
| return List.of(); | ||
| } | ||
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| List<StateCondition> parsedConditions = new ArrayList<>(); | ||
| try { | ||
| String[] expressions = config.split(separator); | ||
| for (String expression : expressions) { | ||
| String[] parts = expression.trim().split("\s"); | ||
| if (parts.length == 3) { | ||
| String itemName = parts[0]; | ||
| StateCondition.ComparisonType conditionType = StateCondition.ComparisonType | ||
| .valueOf(parts[1].toUpperCase(Locale.ROOT)); | ||
| String value = parts[2]; | ||
| parsedConditions.add(new StateCondition(itemName, conditionType, value)); | ||
| } else { | ||
| logger.warn("Malformed condition expression: '{}'", expression); | ||
| } | ||
| } | ||
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| return parsedConditions; | ||
| } catch (IllegalArgumentException e) { | ||
| logger.warn("Cannot parse condition {}. Expected format ITEM_NAME <EQ|NEQ> STATE_VALUE: '{}'", config, | ||
| e.getMessage()); | ||
| return List.of(); | ||
| } | ||
| } | ||
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| @Override | ||
| public ProfileTypeUID getProfileTypeUID() { | ||
| return STATE_FILTER_UID; | ||
| } | ||
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| @Override | ||
| public void onStateUpdateFromItem(State state) { | ||
| // do nothing | ||
| } | ||
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| @Override | ||
| public void onCommandFromItem(Command command) { | ||
| callback.handleCommand(command); | ||
| } | ||
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| @Override | ||
| public void onCommandFromHandler(Command command) { | ||
| callback.sendCommand(command); | ||
| } | ||
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| @Override | ||
| public void onStateUpdateFromHandler(State state) { | ||
| State resultState = checkCondition(state); | ||
| if (resultState != null) { | ||
| logger.debug("Received state update from handler: {}, forwarded as {}", state, resultState); | ||
| callback.sendUpdate(resultState); | ||
| } else { | ||
| logger.debug("Received state update from handler: {}, not forwarded to item", state); | ||
| } | ||
| } | ||
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| @Nullable | ||
| private State checkCondition(State state) { | ||
| if (!conditions.isEmpty()) { | ||
| boolean allConditionsMet = true; | ||
| for (StateCondition condition : conditions) { | ||
| logger.debug("Evaluting condition: {}", condition); | ||
| try { | ||
| Item item = itemRegistry.getItem(condition.itemName); | ||
| String itemState = item.getState().toString(); | ||
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| if (!condition.matches(itemState)) { | ||
| allConditionsMet = false; | ||
| } | ||
| } catch (ItemNotFoundException e) { | ||
| logger.warn( | ||
| "Cannot find item '{}' in registry - check your condition expression - skipping state update", | ||
| condition.itemName); | ||
| allConditionsMet = false; | ||
| } | ||
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| } | ||
| if (allConditionsMet) { | ||
| return state; | ||
| } else { | ||
| return configMismatchState; | ||
| } | ||
| } else { | ||
| logger.warn( | ||
| "No configuration defined for StateFilterProfile (check for log messages when instantiating profile) - skipping state update"); | ||
| } | ||
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| return null; | ||
| } | ||
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| @Nullable | ||
| State parseState(@Nullable String stateString) { | ||
| // Quoted strings are parsed as StringType | ||
| if (stateString == null) { | ||
| return null; | ||
| } else if (stateString.startsWith("'") && stateString.endsWith("'")) { | ||
| return new StringType(stateString.substring(1, stateString.length() - 1)); | ||
| } else { | ||
| return TypeParser.parseState(acceptedDataTypes, stateString); | ||
| } | ||
| } | ||
|
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| class StateCondition { | ||
| String itemName; | ||
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| ComparisonType comparisonType; | ||
| String value; | ||
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| boolean quoted = false; | ||
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| public StateCondition(String itemName, ComparisonType comparisonType, String value) { | ||
| this.itemName = itemName; | ||
| this.comparisonType = comparisonType; | ||
| this.value = value; | ||
| this.quoted = value.startsWith("'") && value.endsWith("'"); | ||
| if (quoted) { | ||
| this.value = value.substring(1, value.length() - 1); | ||
| } | ||
| } | ||
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| public boolean matches(String state) { | ||
| switch (comparisonType) { | ||
| case EQ: | ||
| return state.equals(value); | ||
| case NEQ: { | ||
| return !state.equals(value); | ||
| } | ||
| default: | ||
| logger.warn("Unknown condition type {}. Expected 'eq' or 'neq' - skipping state update", | ||
| comparisonType); | ||
| return false; | ||
|
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| } | ||
| } | ||
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| enum ComparisonType { | ||
| EQ, | ||
| NEQ | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| return "Condition{itemName='" + itemName + "', comparisonType=" + comparisonType + ", value='" + value | ||
| + "'}'"; | ||
| } | ||
| } | ||
| } |
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.../org.smarthomej.transform.basicprofiles/src/main/resources/OH-INF/config/state-filter.xml
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <config-description:config-descriptions | ||
| xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" | ||
| xmlns:config-description="https://openhab.org/schemas/config-description/v1.0.0" | ||
| xsi:schemaLocation="https://openhab.org/schemas/config-description/v1.0.0 https://openhab.org/schemas/config-description-1.0.0.xsd"> | ||
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| <config-description uri="profile:basic-profiles:state-filter"> | ||
| <parameter name="conditions" type="text" required="true"> | ||
| <label>Conditions</label> | ||
| <description>Comma separated list of expressions on the format ITEM_NAME OPERATOR ITEM_STATE, ie "MyItem EQ OFF". Use | ||
| quotes around ITEM_STATE to treat value as string ie "'OFF'".</description> | ||
| </parameter> | ||
| <parameter name="mismatchState" type="text"> | ||
| <label>State for filter rejects</label> | ||
| <description>State to pass to item instead if conditions are NOT met. Use quotes to treat as `StringType`</description> | ||
| </parameter> | ||
| </config-description> | ||
| </config-description:config-descriptions> |
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