UCPRelayBoardGenericBindingProvider.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.ucprelayboard.internal;

import java.util.Map;
import java.util.Set;

import org.openhab.binding.ucprelayboard.UCPRelayBoardBindingProvider;
import org.openhab.core.binding.BindingConfig;
import org.openhab.core.items.Item;
import org.openhab.core.library.items.SwitchItem;
import org.openhab.model.item.binding.AbstractGenericBindingProvider;
import org.openhab.model.item.binding.BindingConfigParseException;

/**
 * @author Robert Michalak
 * @since 1.8.0
 */
public class UCPRelayBoardGenericBindingProvider extends AbstractGenericBindingProvider
        implements UCPRelayBoardBindingProvider {

    @Override
    public String getBindingType() {
        return "ucprelayboard";
    }

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

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

        super.processBindingConfiguration(context, item, bindingConfig);

        UCPRelayConfig config = UCPRelayConfig.fromString(bindingConfig);

        addBindingConfig(item, config);

    }

    @Override
    public UCPRelayConfig getRelayConfigForItem(String itemName) {
        return (UCPRelayConfig) bindingConfigs.get(itemName);
    }

    @Override
    public Item getItemForRelayConfig(UCPRelayConfig config) {
        for (Map.Entry<String, BindingConfig> bindingConfig : bindingConfigs.entrySet()) {
            if (bindingConfig.getValue().equals(config)) {
                for (Map.Entry<String, Set<Item>> context : contextMap.entrySet()) {
                    for (Item item : context.getValue()) {
                        if (item.getName().equals(bindingConfig.getKey())) {
                            return item;
                        }
                    }
                }
            }
        }
        return null;
    }
}