OmniLinkGenericBindingProvider.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.omnilink.internal;

import java.util.Set;

import org.openhab.binding.omnilink.OmniLinkBindingProvider;
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 responsible for parsing the binding configuration.
 *
 * @author Dan Cunningham
 * @since 1.5.0
 */
public class OmniLinkGenericBindingProvider extends AbstractGenericBindingProvider implements OmniLinkBindingProvider {

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

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

    /**
     * @{inheritDoc
     */
    @Override
    public void validateItemType(Item item, String bindingConfig) throws BindingConfigParseException {
        // we accept just about everything!
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void processBindingConfiguration(String context, Item item, String bindingConfig)
            throws BindingConfigParseException {
        /**
         * UNIT:1
         */
        String[] configParts = bindingConfig.trim().split(":");
        if (configParts.length != 2) {
            throw new BindingConfigParseException(
                    "Omnilink configuration must contain of two parts separated by a ':'");
        }

        OmniLinkItemType type = OmniLinkItemType.getOmniLinkItemType(configParts[0]);

        if (type == null) {
            throw new BindingConfigParseException("Unknown item type " + configParts[0]);
        }

        int number = Integer.parseInt(configParts[1]);

        OmniLinkBindingConfig config = new OmniLinkBindingConfig(type, number);
        logger.debug(" Adding item {} {}", new Object[] { config.getObjectType(), config.getNumber() });
        addBindingConfig(item, config);

        super.processBindingConfiguration(context, item, bindingConfig);
    }

    @Override
    public Item getItem(String itemName) {
        for (Set<Item> items : contextMap.values()) {
            if (items != null) {
                for (Item item : items) {
                    if (itemName.equals(item.getName())) {
                        return item;
                    }
                }
            }
        }
        return null;
    }

    @Override
    public OmniLinkBindingConfig getOmniLinkBindingConfig(String itemName) {
        return (OmniLinkBindingConfig) this.bindingConfigs.get(itemName);
    }

}