added migrated 2.x add-ons

Signed-off-by: Kai Kreuzer <kai@openhab.org>

bundles/org.openhab.transform.xpath/src/main/feature/feature.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<features name="org.openhab.transform.xpath-${project.version}" xmlns="http://karaf.apache.org/xmlns/features/v1.4.0">
+	<repository>mvn:org.openhab.core.features.karaf/org.openhab.core.features.karaf.openhab-core/${ohc.version}/xml/features</repository>
+
+	<feature name="openhab-transformation-xpath" description="XPath Transformation" version="${project.version}">
+		<feature>openhab-runtime-base</feature>
+		<bundle start-level="75">mvn:org.openhab.addons.bundles/org.openhab.transform.xpath/${project.version}</bundle>
+	</feature>
+</features>

bundles/org.openhab.transform.xpath/src/main/java/org/openhab/transform/xpath/internal/XPathTransformationService.java

@@ -0,0 +1,84 @@
+/**
+ * Copyright (c) 2010-2020 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.transform.xpath.internal;
+
+import java.io.StringReader;
+
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathFactory;
+
+import org.eclipse.jdt.annotation.NonNullByDefault;
+import org.eclipse.jdt.annotation.Nullable;
+import org.openhab.core.transform.TransformationException;
+import org.openhab.core.transform.TransformationService;
+import org.osgi.service.component.annotations.Component;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.xml.sax.InputSource;
+
+/**
+ * <p>
+ * The implementation of {@link TransformationService} which transforms the input by XPath Expressions.
+ *
+ * @author Thomas.Eichstaedt-Engelen
+ */
+@NonNullByDefault
+@Component(immediate = true, property = { "smarthome.transform=XPATH" })
+public class XPathTransformationService implements TransformationService {
+
+    private final Logger logger = LoggerFactory.getLogger(XPathTransformationService.class);
+
+    @Override
+    public @Nullable String transform(String xpathExpression, String source) throws TransformationException {
+        if (xpathExpression == null || source == null) {
+            throw new TransformationException("the given parameters 'xpath' and 'source' must not be null");
+        }
+
+        logger.debug("about to transform '{}' by the function '{}'", source, xpathExpression);
+
+        StringReader stringReader = null;
+
+        try {
+            DocumentBuilderFactory domFactory = DocumentBuilderFactory.newInstance();
+            domFactory.setNamespaceAware(true);
+            domFactory.setValidating(false);
+            DocumentBuilder builder = domFactory.newDocumentBuilder();
+
+            stringReader = new StringReader(source);
+            InputSource inputSource = new InputSource(stringReader);
+            inputSource.setEncoding("UTF-8");
+
+            Document doc = builder.parse(inputSource);
+
+            XPath xpath = XPathFactory.newInstance().newXPath();
+            XPathExpression expr = xpath.compile(xpathExpression);
+
+            String transformationResult = (String) expr.evaluate(doc, XPathConstants.STRING);
+
+            logger.debug("transformation resulted in '{}'", transformationResult);
+
+            return transformationResult;
+        } catch (Exception e) {
+            throw new TransformationException("transformation throws exceptions", e);
+        } finally {
+            if (stringReader != null) {
+                stringReader.close();
+            }
+        }
+    }
+}

bundles/org.openhab.transform.xpath/src/main/java/org/openhab/transform/xpath/internal/profiles/XPathTransformationProfile.java

@@ -0,0 +1,130 @@
+/**
+ * Copyright (c) 2010-2020 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.transform.xpath.internal.profiles;
+
+import org.eclipse.jdt.annotation.NonNullByDefault;
+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.transform.TransformationException;
+import org.openhab.core.transform.TransformationHelper;
+import org.openhab.core.transform.TransformationService;
+import org.openhab.core.types.Command;
+import org.openhab.core.types.State;
+import org.openhab.core.types.Type;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Profile to offer the XPathTransformationservice on a ItemChannelLink
+ *
+ * @author Stefan Triller - initial contribution
+ *
+ */
+@NonNullByDefault
+public class XPathTransformationProfile implements StateProfile {
+
+    public static final ProfileTypeUID PROFILE_TYPE_UID = new ProfileTypeUID(
+            TransformationService.TRANSFORM_PROFILE_SCOPE, "XPATH");
+
+    private final Logger logger = LoggerFactory.getLogger(XPathTransformationProfile.class);
+
+    private final TransformationService service;
+    private final ProfileCallback callback;
+
+    private static final String FUNCTION_PARAM = "function";
+    private static final String SOURCE_FORMAT_PARAM = "sourceFormat";
+
+    @NonNullByDefault({})
+    private final String function;
+    @NonNullByDefault({})
+    private final String sourceFormat;
+
+    public XPathTransformationProfile(ProfileCallback callback, ProfileContext context, TransformationService service) {
+        this.service = service;
+        this.callback = callback;
+
+        Object paramFunction = context.getConfiguration().get(FUNCTION_PARAM);
+        Object paramSource = context.getConfiguration().get(SOURCE_FORMAT_PARAM);
+
+        logger.debug("Profile configured with '{}'='{}', '{}'={}", FUNCTION_PARAM, paramFunction, SOURCE_FORMAT_PARAM,
+                paramSource);
+        // SOURCE_FORMAT_PARAM is an advanced parameter and we assume "%s" if it is not set
+        if (paramSource == null) {
+            paramSource = "%s";
+        }
+        if (paramFunction instanceof String && paramSource instanceof String) {
+            function = (String) paramFunction;
+            sourceFormat = (String) paramSource;
+        } else {
+            logger.error("Parameter '{}' and '{}' have to be Strings. Profile will be inactive.", FUNCTION_PARAM,
+                    SOURCE_FORMAT_PARAM);
+            function = null;
+            sourceFormat = null;
+        }
+    }
+
+    @Override
+    public ProfileTypeUID getProfileTypeUID() {
+        return PROFILE_TYPE_UID;
+    }
+
+    @Override
+    public void onStateUpdateFromItem(State state) {
+        callback.handleUpdate(state);
+    }
+
+    @Override
+    public void onCommandFromItem(Command command) {
+        callback.handleCommand(command);
+    }
+
+    @Override
+    public void onCommandFromHandler(Command command) {
+        if (function == null || sourceFormat == null) {
+            logger.warn(
+                    "Please specify a function and a source format for this Profile in the '{}', and '{}' parameters. Returning the original command now.",
+                    FUNCTION_PARAM, SOURCE_FORMAT_PARAM);
+            callback.sendCommand(command);
+            return;
+        }
+        callback.sendCommand((Command) transformState(command));
+    }
+
+    @Override
+    public void onStateUpdateFromHandler(State state) {
+        if (function == null || sourceFormat == null) {
+            logger.warn(
+                    "Please specify a function and a source format for this Profile in the '{}' and '{}' parameters. Returning the original state now.",
+                    FUNCTION_PARAM, SOURCE_FORMAT_PARAM);
+            callback.sendUpdate(state);
+            return;
+        }
+        callback.sendUpdate((State) transformState(state));
+    }
+
+    private Type transformState(Type state) {
+        String result = state.toFullString();
+        try {
+            result = TransformationHelper.transform(service, function, sourceFormat, state.toFullString());
+        } catch (TransformationException e) {
+            logger.warn("Could not transform state '{}' with function '{}' and format '{}'", state, function,
+                    sourceFormat);
+        }
+        StringType resultType = new StringType(result);
+        logger.debug("Transformed '{}' into '{}'", state, resultType);
+        return resultType;
+    }
+}

bundles/org.openhab.transform.xpath/src/main/java/org/openhab/transform/xpath/internal/profiles/XPathTransformationProfileFactory.java

@@ -0,0 +1,71 @@
+/**
+ * Copyright (c) 2010-2020 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.transform.xpath.internal.profiles;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Locale;
+
+import org.eclipse.jdt.annotation.NonNullByDefault;
+import org.eclipse.jdt.annotation.Nullable;
+import org.openhab.core.thing.profiles.Profile;
+import org.openhab.core.thing.profiles.ProfileCallback;
+import org.openhab.core.thing.profiles.ProfileContext;
+import org.openhab.core.thing.profiles.ProfileFactory;
+import org.openhab.core.thing.profiles.ProfileType;
+import org.openhab.core.thing.profiles.ProfileTypeBuilder;
+import org.openhab.core.thing.profiles.ProfileTypeProvider;
+import org.openhab.core.thing.profiles.ProfileTypeUID;
+import org.openhab.core.transform.TransformationService;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Reference;
+
+/**
+ * Profilefactory that creates the transformation profile for the xpath transformation service
+ *
+ * @author Stefan Triller - initial contribution
+ *
+ */
+@NonNullByDefault
+@Component(service = { ProfileFactory.class, ProfileTypeProvider.class })
+public class XPathTransformationProfileFactory implements ProfileFactory, ProfileTypeProvider {
+
+    @NonNullByDefault({})
+    private TransformationService service;
+
+    @Override
+    public Collection<ProfileType> getProfileTypes(@Nullable Locale locale) {
+        return Arrays.asList(ProfileTypeBuilder.newState(XPathTransformationProfile.PROFILE_TYPE_UID,
+                XPathTransformationProfile.PROFILE_TYPE_UID.getId()).build());
+    }
+
+    @Override
+    public @Nullable Profile createProfile(ProfileTypeUID profileTypeUID, ProfileCallback callback,
+            ProfileContext profileContext) {
+        return new XPathTransformationProfile(callback, profileContext, service);
+    }
+
+    @Override
+    public Collection<ProfileTypeUID> getSupportedProfileTypeUIDs() {
+        return Arrays.asList(XPathTransformationProfile.PROFILE_TYPE_UID);
+    }
+
+    @Reference(target = "(smarthome.transform=XPATH)")
+    public void addTransformationService(TransformationService service) {
+        this.service = service;
+    }
+
+    public void removeTransformationService(TransformationService service) {
+        this.service = null;
+    }
+}

bundles/org.openhab.transform.xpath/src/main/resources/OH-INF/config/xpathProfile.xml

@@ -0,0 +1,19 @@
+<?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">
+
+	<config-description uri="profile:transform:XPATH">
+		<parameter name="function" type="text" required="true">
+			<label>XPath Expression</label>
+			<description>XPath expression to be applied on the state: For example:
+				/*[name()='PTZStatus']/*[name()='AbsoluteHigh']/*[name()='azimuth']/</description>
+		</parameter>
+		<parameter name="sourceFormat" type="text" required="false">
+			<label>State Formatter</label>
+			<description>How to format the state on the channel before transforming it, i.e. %s or %.1f °C (default is %s)</description>
+			<advanced>true</advanced>
+		</parameter>
+	</config-description>
+</config-description:config-descriptions>

bundles/org.openhab.transform.xpath/src/main/resources/readme.txt

@@ -0,0 +1 @@
+Bundle resources go in here!

bundles/org.openhab.transform.xpath/src/test/java/org/openhab/transform/xpath/internal/AbstractTransformationServiceTest.java

@@ -0,0 +1,35 @@
+/**
+ * Copyright (c) 2010-2020 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.transform.xpath.internal;
+
+/**
+ * @author Thomas.Eichstaedt-Engelen
+ */
+public abstract class AbstractTransformationServiceTest {
+
+    protected String source = "<?xml version=\"1.0\"?><xml_api_reply version=\"1\"><weather module_id=\"0\""
+            + " tab_id=\"0\" mobile_row=\"0\" mobile_zipped=\"1\" row=\"0\" section=\"0\" ><forecast_information>"
+            + "<city data=\"Krefeld, North Rhine-Westphalia\"/><postal_code data=\"Krefeld Germany\"/>"
+            + "<latitude_e6 data=\"\"/><longitude_e6 data=\"\"/><forecast_date data=\"2011-03-01\"/>"
+            + "<current_date_time data=\"2011-03-01 15:20:00 +0000\"/><unit_system data=\"SI\"/></forecast_information>"
+            + "<current_conditions><condition data=\"Meistens bew<65>lkt\"/><temp_f data=\"46\"/><temp_c data=\"8\"/>"
+            + "<humidity data=\"Feuchtigkeit: 66 %\"/><icon data=\"/ig/images/weather/mostly_cloudy.gif\"/>"
+            + "<wind_condition data=\"Wind: N mit 26 km/h\"/></current_conditions><forecast_conditions><day_of_week data=\"Di.\"/>"
+            + "<low data=\"-1\"/><high data=\"6\"/><icon data=\"/ig/images/weather/sunny.gif\"/><condition data=\"Klar\"/>"
+            + "</forecast_conditions><forecast_conditions><day_of_week data=\"Mi.\"/><low data=\"-1\"/><high data=\"8\"/>"
+            + "<icon data=\"/ig/images/weather/sunny.gif\"/><condition data=\"Klar\"/></forecast_conditions><forecast_conditions>"
+            + "<day_of_week data=\"Do.\"/><low data=\"-1\"/><high data=\"8\"/><icon data=\"/ig/images/weather/sunny.gif\"/>"
+            + "<condition data=\"Klar\"/></forecast_conditions><forecast_conditions><day_of_week data=\"Fr.\"/><low data=\"0\"/>"
+            + "<high data=\"8\"/><icon data=\"/ig/images/weather/sunny.gif\"/><condition data=\"Klar\"/></forecast_conditions>"
+            + "</weather></xml_api_reply>";
+}

bundles/org.openhab.transform.xpath/src/test/java/org/openhab/transform/xpath/internal/XPathTransformationServiceTest.java

@@ -0,0 +1,41 @@
+/**
+ * Copyright (c) 2010-2020 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.transform.xpath.internal;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.openhab.core.transform.TransformationException;
+
+/**
+ * @author Thomas.Eichstaedt-Engelen
+ */
+public class XPathTransformationServiceTest extends AbstractTransformationServiceTest {
+
+    private XPathTransformationService processor;
+
+    @Before
+    public void init() {
+        processor = new XPathTransformationService();
+    }
+
+    @Test
+    public void testTransformByXPath() throws TransformationException {
+        // method under test
+        String transformedResponse = processor.transform("//current_conditions/temp_c/@data", source);
+
+        // Asserts
+        assertEquals("8", transformedResponse);
+    }
+}