StiebelHeatPumpGenericBindingProvider.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.binding.stiebelheatpump.internal;

import org.openhab.binding.stiebelheatpump.StiebelHeatPumpBindingProvider;
import org.openhab.core.binding.BindingConfig;
import org.openhab.core.items.Item;
import org.openhab.core.library.items.NumberItem;
import org.openhab.core.library.items.StringItem;
import org.openhab.model.item.binding.AbstractGenericBindingProvider;
import org.openhab.model.item.binding.BindingConfigParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This class is responsible for parsing the binding configuration.
 *
 * @author Peter Kreutzer
 * @since 1.5.0
 */
public class StiebelHeatPumpGenericBindingProvider extends AbstractGenericBindingProvider
        implements StiebelHeatPumpBindingProvider {

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

    /**
     * {@inheritDoc}
     */
    @Override
    public String getBindingType() {
        return "stiebelheatpump";
    }

    /**
     * @{inheritDoc
     */
    @Override
    public void validateItemType(Item item, String bindingConfig) throws BindingConfigParseException {
        if (!(item instanceof NumberItem || item instanceof StringItem)) {
            throw new BindingConfigParseException(
                    "item '" + item.getName() + "' is of type '" + item.getClass().getSimpleName()
                            + "', only Number- and StringItems are allowed - please check your *.items configuration");
        }
        logger.debug(bindingConfig);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void processBindingConfiguration(String context, Item item, String bindingConfig)
            throws BindingConfigParseException {
        super.processBindingConfiguration(context, item, bindingConfig);
        StiebelHeatPumpBindingConfig config = new StiebelHeatPumpBindingConfig();
        config.parameter = bindingConfig.trim();
        config.itemType = item.getClass();
        addBindingConfig(item, config);
    }

    /**
     * @{inheritDoc
     */
    @Override
    public String getParameter(String itemName) {
        StiebelHeatPumpBindingConfig config = (StiebelHeatPumpBindingConfig) bindingConfigs.get(itemName);
        return config != null ? config.parameter : null;
    }

    /**
     * @{inheritDoc
     */
    @Override
    public Class<? extends Item> getItemType(String itemName) {
        StiebelHeatPumpBindingConfig config = (StiebelHeatPumpBindingConfig) bindingConfigs.get(itemName);
        return config != null ? config.itemType : null;
    }

    class StiebelHeatPumpBindingConfig implements BindingConfig {
        public String parameter;
        public Class<? extends Item> itemType;
    }

}