FS20GenericBindingProvider.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.fs20.internal;

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

import org.openhab.binding.fs20.FS20BindingConfig;
import org.openhab.binding.fs20.FS20BindingProvider;
import org.openhab.core.items.Item;
import org.openhab.core.library.items.DimmerItem;
import org.openhab.core.library.items.SwitchItem;
import org.openhab.model.item.binding.AbstractGenericBindingProvider;
import org.openhab.model.item.binding.BindingConfigParseException;

/**
 * This class is responsible for parsing the binding configuration.
 *
 * @author Till Klocke
 * @since 1.4.0
 */
public class FS20GenericBindingProvider extends AbstractGenericBindingProvider implements FS20BindingProvider {

    private Map<String, FS20BindingConfig> addressMap = new HashMap<String, FS20BindingConfig>();

    /**
     * {@inheritDoc}
     */
    @Override
    public String getBindingType() {
        return "fs20";
    }

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

        if (bindingConfig.length() != 6) {
            throw new BindingConfigParseException(
                    "The configured address must consist of 2 bytes housecode and 1 byte device address");
        }
    }

    /**
     * Binding config is in the style of {fs20="HHHHAA"} {@inheritDoc}
     */
    @Override
    public void processBindingConfiguration(String context, Item item, String bindingConfig)
            throws BindingConfigParseException {
        super.processBindingConfiguration(context, item, bindingConfig);
        FS20BindingConfig config = new FS20BindingConfig(bindingConfig, item);

        // parse bindingconfig here ...
        addressMap.put(config.getAddress(), config);
        addBindingConfig(item, config);
    }

    @Override
    public FS20BindingConfig getConfigForItemName(String itemName) {
        if (super.bindingConfigs.containsKey(itemName)) {
            return (FS20BindingConfig) super.bindingConfigs.get(itemName);
        }
        return null;
    }

    @Override
    public FS20BindingConfig getConfigForAddress(String address) {
        return addressMap.get(address);
    }

}