2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.transform.exec.internal.profiles;
15 import org.eclipse.jdt.annotation.NonNullByDefault;
16 import org.eclipse.jdt.annotation.Nullable;
17 import org.openhab.core.library.types.StringType;
18 import org.openhab.core.thing.profiles.ProfileCallback;
19 import org.openhab.core.thing.profiles.ProfileContext;
20 import org.openhab.core.thing.profiles.ProfileTypeUID;
21 import org.openhab.core.thing.profiles.StateProfile;
22 import org.openhab.core.transform.TransformationException;
23 import org.openhab.core.transform.TransformationHelper;
24 import org.openhab.core.transform.TransformationService;
25 import org.openhab.core.types.Command;
26 import org.openhab.core.types.State;
27 import org.openhab.core.types.Type;
28 import org.slf4j.Logger;
29 import org.slf4j.LoggerFactory;
32 * Profile to offer the ExecTransformationservice on an ItemChannelLink
34 * @author Stefan Triller - initial contribution
37 public class ExecTransformationProfile implements StateProfile {
39 public static final ProfileTypeUID PROFILE_TYPE_UID = new ProfileTypeUID(
40 TransformationService.TRANSFORM_PROFILE_SCOPE, "EXEC");
42 private final Logger logger = LoggerFactory.getLogger(ExecTransformationProfile.class);
44 private final TransformationService service;
45 private final ProfileCallback callback;
47 private static final String FUNCTION_PARAM = "function";
48 private static final String SOURCE_FORMAT_PARAM = "sourceFormat";
50 private @Nullable String function;
51 private @Nullable String sourceFormat;
53 public ExecTransformationProfile(ProfileCallback callback, ProfileContext context, TransformationService service) {
54 this.service = service;
55 this.callback = callback;
57 Object paramFunction = context.getConfiguration().get(FUNCTION_PARAM);
58 Object paramSource = context.getConfiguration().get(SOURCE_FORMAT_PARAM);
60 logger.debug("Profile configured with '{}'='{}', '{}'={}", FUNCTION_PARAM, paramFunction, SOURCE_FORMAT_PARAM,
63 // SOURCE_FORMAT_PARAM is an advanced parameter and we assume "%s" if it is not set
64 if (paramSource == null) {
67 if (paramFunction instanceof String pFunction && paramSource instanceof String pFormat) {
69 sourceFormat = pFormat;
71 logger.error("Parameter '{}' and '{}' have to be Strings. Profile will be inactive.", FUNCTION_PARAM,
79 public ProfileTypeUID getProfileTypeUID() {
80 return PROFILE_TYPE_UID;
84 public void onStateUpdateFromItem(State state) {
88 public void onCommandFromItem(Command command) {
89 callback.handleCommand(command);
93 public void onCommandFromHandler(Command command) {
94 if (function == null || sourceFormat == null) {
96 "Please specify a function and a source format for this Profile in the '{}', and '{}' parameters. Returning the original command now.",
97 FUNCTION_PARAM, SOURCE_FORMAT_PARAM);
98 callback.sendCommand(command);
101 callback.sendCommand((Command) transformState(command));
105 public void onStateUpdateFromHandler(State state) {
106 if (function == null || sourceFormat == null) {
108 "Please specify a function and a source format for this Profile in the '{}' and '{}' parameters. Returning the original state now.",
109 FUNCTION_PARAM, SOURCE_FORMAT_PARAM);
110 callback.sendUpdate(state);
113 callback.sendUpdate((State) transformState(state));
116 private Type transformState(Type state) {
117 String result = state.toFullString();
118 String function = this.function;
119 String sourceFormat = this.sourceFormat;
121 if (function == null || sourceFormat == null) {
122 logger.warn("Could not transform state '{}' with function '{}' and format '{}'", state, function,
126 result = TransformationHelper.transform(service, function, sourceFormat, state.toFullString());
127 } catch (TransformationException e) {
128 logger.warn("Could not transform state '{}' with function '{}' and format '{}'", state, function,
132 StringType resultType = new StringType(result);
133 logger.debug("Transformed '{}' into '{}'", state, resultType);