MiosActionService.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.mios.internal;

import java.util.Dictionary;

import org.openhab.binding.mios.MiosActionProvider;
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 MiOS Action.
 *
 * @author Mark Clark
 * @since 1.7.0
 */
public class MiosActionService implements ActionService, ManagedService {

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

    private MiosActionProvider actionProvider;
    private static MiosActionService service;

    public static MiosActionService getMiosActionService() {
        return service;
    }

    public void activate() {
        logger.debug("MiOS action service activated");
        service = this;
    }

    public void deactivate() {
        logger.debug("MiOS action service activated");
        service = null;
    }

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

    /**
     * {@inheritDoc}
     */
    @Override
    public Class<?> getActionClass() {
        return MiosAction.class;
    }

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

    /**
     * Setter for use by OSGi injection.
     * 
     * @param actionProvider the MiOS Action Provider (provided by the MiOS Binding).
     */
    public void setMiosActionProvider(MiosActionProvider actionProvider) {
        this.actionProvider = actionProvider;
        logger.debug("MiOS setMiosActionProvider called");
    }

    /**
     * Unsetter for use by OSGi injection.
     * 
     * @param actionProvider MiOS Action Provider to remove.
     */
    public void unsetMiosActionProvider(MiosActionProvider actionProvider) {
        this.actionProvider = null;
        logger.debug("MiOS unsetMiosActionProvider called");
    }

    /**
     * Get the MiosActionProvider instance injected by OSGi.
     * 
     * @return the MiOS Action Provider associated with this Action Service.
     */
    public MiosActionProvider getMiosActionProvider() {
        return this.actionProvider;
    }
}