Java tutorial
/** * Copyright (c) 2010-2015, openHAB.org and others. * * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html */ package org.openhab.action.prowl.internal; import java.util.Dictionary; import org.apache.commons.lang.StringUtils; import org.openhab.core.scriptengine.action.ActionService; import org.osgi.service.cm.ConfigurationException; import org.osgi.service.cm.ManagedService; /** * This class registers an OSGi service for the Prowl action. * * @author Kai Kreuzer * @since 1.3.0 */ public class ProwlActionService implements ActionService, ManagedService { /** * Indicates whether this action is properly configured which means all * necessary configurations are set. This flag can be checked by the * action methods before executing code. */ /* default */ static boolean isProperlyConfigured = false; public ProwlActionService() { } public void activate() { } public void deactivate() { // deallocate Resources here that are no longer needed and // should be reset when activating this binding again } @Override public String getActionClassName() { return Prowl.class.getCanonicalName(); } @Override public Class<?> getActionClass() { return Prowl.class; } @SuppressWarnings("rawtypes") public void updated(Dictionary config) throws ConfigurationException { if (config != null) { Prowl.url = (String) config.get("url"); Prowl.apiKey = (String) config.get("apikey"); if (StringUtils.isBlank(Prowl.apiKey)) { throw new ConfigurationException("prowl.apikey", "The parameter 'apikey' must be configured. Please refer to your 'openhab.cfg'"); } String priorityString = (String) config.get("defaultpriority"); if (StringUtils.isNotBlank(priorityString)) { Prowl.priority = Integer.valueOf(priorityString); } isProperlyConfigured = true; } } }