YamahaReceiverGenericBindingProvider.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.yamahareceiver.internal;

import java.util.HashMap;
import java.util.Map;

import org.openhab.binding.yamahareceiver.YamahaReceiverBindingProvider;
import org.openhab.core.binding.BindingConfig;
import org.openhab.core.items.Item;
import org.openhab.model.item.binding.AbstractGenericBindingProvider;
import org.openhab.model.item.binding.BindingConfigParseException;

/**
 * This class is responsible for parsing the binding configuration.
 *
 * @author Eric Thill
 * @author Ben Jones
 * @since 1.6.0
 */
public class YamahaReceiverGenericBindingProvider extends AbstractGenericBindingProvider
        implements YamahaReceiverBindingProvider {

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

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

    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void processBindingConfiguration(String context, Item item, String bindingConfig)
            throws BindingConfigParseException {
        super.processBindingConfiguration(context, item, bindingConfig);
        if (bindingConfig != null) {
            // parse configuration
            Map<String, String> props = parseProperties(bindingConfig);
            String id = props.get(YamahaReceiverBindingConfig.KEY_DEVICE_UID);
            String zone = props.get(YamahaReceiverBindingConfig.KEY_ZONE);
            String bindingType = props.get(YamahaReceiverBindingConfig.KEY_BINDING_TYPE);
            // create configuration
            YamahaReceiverBindingConfig config = new YamahaReceiverBindingConfig(id, zone, bindingType, item.getName());
            // add binding configuration
            addBindingConfig(item, config);
        }
    }

    public static Map<String, String> parseProperties(String config) {
        Map<String, String> props = new HashMap<String, String>();
        String[] tokens = config.trim().split(",");
        for (String token : tokens) {
            token = token.trim();
            String[] confStatement = token.split("=");
            String key = confStatement[0];
            String value = confStatement[1];
            props.put(key, value);
        }
        return props;
    }

    @Override
    public YamahaReceiverBindingConfig getItemConfig(String itemName) {
        return ((YamahaReceiverBindingConfig) bindingConfigs.get(itemName));
    }

    @Override
    public void getDeviceConfigs(String deviceUid, Map<String, YamahaReceiverBindingConfig> configs) {
        for (BindingConfig config : bindingConfigs.values()) {
            YamahaReceiverBindingConfig yamahaConfig = (YamahaReceiverBindingConfig) config;
            if (yamahaConfig.getDeviceUid().equals(deviceUid)) {
                configs.put(yamahaConfig.getItemName(), yamahaConfig);
            }
        }
    }

}