SallegraGenericBindingProvider.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.sallegra.internal;

import org.openhab.binding.sallegra.SallegraBindingProvider;
import org.openhab.core.items.Item;
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 for parsing the items configuration.
 *
 * @author Benjamin Marty (Developed on behalf of Satelco.ch)
 * @since 1.8.0
 */
public class SallegraGenericBindingProvider extends AbstractGenericBindingProvider implements SallegraBindingProvider {

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

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

    /**
     * {@inheritDoc}
     * 
     * [deviceId:command:value]
     * 
     */
    @Override
    public void processBindingConfiguration(String context, Item item, String bindingConfig)
            throws BindingConfigParseException {
        super.processBindingConfiguration(context, item, bindingConfig);

        if (bindingConfig == null || item == null) {
            logger.error("invalid null input, item={}, bindingConfig={}", item, bindingConfig);
            return;
        }

        /*
         * remove unnecessary chars
         */
        String strippedBindingConfig = bindingConfig.replace("[", "").replace("]", "").trim();

        /*
         * get configpart
         */
        String[] configpart = strippedBindingConfig.split(":");
        SallegraBindingConfig config = null;

        /*
         * check for valid command
         */
        if (configpart.length == 3) {
            SallegraCommand cmdId = null;
            try {
                cmdId = SallegraCommand.valueOf(configpart[1].toUpperCase());
            } catch (IllegalArgumentException e) {
                throw new BindingConfigParseException("Unknown command: " + configpart[1]);
            }

            config = new SallegraBindingConfig(configpart[0], cmdId, configpart[2]);
            config.setItem(item.getName());
        } else {
            throw new BindingConfigParseException(
                    "Configuration must have at at least 2 or 3 configpart separated by ':'");
        }

        logger.debug("Found \"{}\" binding config for deviceId \"{}\". Command is \"{}\" and value is \"{}\"",
                configpart[0], configpart[1], configpart.length > 2 ? configpart[2] : "-");

        addBindingConfig(item, config);
    }

    @Override
    public SallegraBindingConfig getBindingConfigFor(String itemName) {
        return (SallegraBindingConfig) this.bindingConfigs.get(itemName);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void validateItemType(Item item, String bindingConfig) throws BindingConfigParseException {
    }

    @Override
    public Class<? extends Item> getItemType(String name) {
        // TODO Auto-generated method stub
        return null;
    }
}