DSCAlarmActionService.java

/**
 * Copyright (c) 2010-2016 by the respective copyright holders.
 *
 * 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.dscalarm.internal;

import java.util.Dictionary;

import org.openhab.binding.dscalarm1.DSCAlarmActionProvider;
import org.openhab.core.scriptengine.action.ActionService;
import org.osgi.service.cm.ConfigurationException;
import org.osgi.service.cm.ManagedService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This class registers an OSGi service for the DSC Alarm action.
 *
 * @author Russell Stephens
 * @since 1.8.0
 */
public class DSCAlarmActionService implements ActionService, ManagedService {

    private static Logger logger = LoggerFactory.getLogger(DSCAlarmActionService.class);

    private DSCAlarmActionProvider actionProvider = null;
    private static DSCAlarmActionService actionService = null;

    public DSCAlarmActionService() {
    }

    public void activate() {
        logger.debug("DSC Alarm Action Service Activated!");
        actionService = this;
    }

    public void deactivate() {
        logger.debug("DSC Alarm Action Service Deactivated!");
        actionService = null;
    }

    @Override
    public String getActionClassName() {
        return getActionClass().getCanonicalName();
    }

    @Override
    public Class<?> getActionClass() {
        return DSCAlarmAction.class;
    }

    @Override
    public void updated(Dictionary<String, ?> properties) throws ConfigurationException {
    }

    public static DSCAlarmActionService getDSCAlarmActionService() {
        return actionService;
    }

    /**
     * Sets the DSC Alarm Action Provider for use by OSGi injection.
     * 
     * @param actionProvider the DSC Alarm Action Provider (provided by the DSC Alarm Binding).
     */
    public void setDSCAlarmActionProvider(DSCAlarmActionProvider actionProvider) {
        this.actionProvider = actionProvider;
        logger.trace("setDSCAlarmActionProvider(): DSC Alarm Action Provider Set!");
    }

    /**
     * Resets the DSC Alarm Action Provider to null.
     * 
     */
    public void resetDSCAlarmActionProvider() {
        this.setDSCAlarmActionProvider(null);
        logger.trace("resetDSCAlarmActionProvider(): DSC Alarm Action Provider Reset!");
    }

    /**
     * Get the DSC Alarm Action Provider instance injected by OSGi.
     * 
     * @return the DSC Alarm Action Provider associated with this Action Service.
     */
    public DSCAlarmActionProvider getDSCAlarmActionProvider() {
        return this.actionProvider;
    }

}