JpaConfiguration.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.persistence.jpa.internal;

import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.osgi.framework.BundleContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * The configuration required for Jpa binding.
 * 
 * @author mbergmann
 *
 */
public class JpaConfiguration {
    private static final Logger logger = LoggerFactory.getLogger(JpaConfiguration.class);

    private static final String CFG_CONNECTION_URL = "url";
    private static final String CFG_DRIVER_CLASS = "driver";
    private static final String CFG_USERNAME = "user";
    private static final String CFG_PASSWORD = "password";
    private static final String CFG_SYNCMAPPING = "syncmappings";

    public static boolean isInitialized = false;

    public static String dbConnectionUrl = "";
    public static String dbDriverClass = "";
    public static String dbUserName = "";
    public static String dbPassword = "";
    public static String dbSyncMapping = "";

    public void activate(final BundleContext bundleContext, final Map<String, Object> properties) {
        logger.debug("Update config...");

        if (properties == null) {
            logger.error("Got a null properties object!");
            return;
        }

        String param = (String) properties.get(CFG_CONNECTION_URL);
        logger.debug("url: " + param);
        if (param == null) {
            logger.warn("Connection url is required in openhab.cfg!");
        }
        if (StringUtils.isBlank(param)) {
            logger.warn("Empty connection url in openhab.cfg!");
        }
        dbConnectionUrl = param;

        param = (String) properties.get(CFG_DRIVER_CLASS);
        logger.debug("driver: " + param);
        if (param == null) {
            logger.warn("Driver class is required in openhab.cfg!");
        }
        if (StringUtils.isBlank(param)) {
            logger.warn("Empty driver class in openhab.cfg!");
        }
        dbDriverClass = param;

        if (properties.get(CFG_USERNAME) == null) {
            logger.info("{} was not specified!", CFG_USERNAME);
        }
        dbUserName = (String) properties.get(CFG_USERNAME);

        if (properties.get(CFG_PASSWORD) == null) {
            logger.info("{} was not specified!", CFG_PASSWORD);
        }
        dbPassword = (String) properties.get(CFG_PASSWORD);

        if (properties.get(CFG_SYNCMAPPING) == null) {
            logger.debug("{} was not specified!", CFG_SYNCMAPPING);
        }
        dbSyncMapping = (String) properties.get(CFG_SYNCMAPPING);

        isInitialized = true;
        logger.debug("Update config...done");
    }

}