OctollerGenricBindingProvider.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.octoller.internal;

import org.openhab.binding.octoller.OctollerBindingProvider;
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. The binding
 * must have the format octoller=
 * "<IP-Address of octoller>@<IP-Address of octoller.Gateway>#'<ID of block>'"
 * Example: Rollershutter Shutter_SF_Office "Shutter Office" <rollershutter>
 * (SF_Office, gShutters) { octoller="10.158.2.33@localhost#'Shutter.DG.FZ'" }
 *
 * @author JPlenert
 * @since 1.8.0
 */
public class OctollerGenricBindingProvider extends AbstractGenericBindingProvider implements OctollerBindingProvider {

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

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

    /**
     * {@inheritDoc}
     */
    @Override
    public void processBindingConfiguration(String context, Item item, String bindingConfig)
            throws BindingConfigParseException {
        String[] configParts = bindingConfig.trim().split("#");
        if (configParts.length != 2) {
            throw new BindingConfigParseException("Two parameters needed (Host#Block)");
        }

        // Right now a gateway must be given!
        String[] hostParts = configParts[0].trim().split("@");
        if (hostParts.length != 2) {
            throw new BindingConfigParseException(
                    "Host paramter must contain device and gateway (deviceHost@gatewayHost)");
        }

        OctollerBindingConfig config = new OctollerBindingConfig();
        config.DeviceHost = hostParts[0].trim();
        config.GatewayHost = hostParts[1].trim();
        // Check for BlockName
        if (configParts[1].length() > 2 && configParts[1].startsWith("'") && configParts[1].endsWith("'")) {
            config.BlockName = configParts[1].substring(1, configParts[1].length() - 1).trim();
        } else {
            try {
                config.BlockID = Integer.parseInt(configParts[1]);
            } catch (Exception ex) {
                throw new BindingConfigParseException(
                        "Block parameter must be nummeric or the block name in single quotation marks");
            }

        }

        addBindingConfig(item, config);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public OctollerBindingConfig getConfig(String itemName) {
        return (OctollerBindingConfig) bindingConfigs.get(itemName);
    }
}