FreeswitchGenericBindingProvider.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.freeswitch.internal;

import java.util.Set;

import org.openhab.binding.freeswitch.FreeswitchBindingProvider;
import org.openhab.core.items.Item;
import org.openhab.core.library.items.NumberItem;
import org.openhab.core.library.items.StringItem;
import org.openhab.core.library.items.SwitchItem;
import org.openhab.library.tel.items.CallItem;
import org.openhab.model.item.binding.AbstractGenericBindingProvider;
import org.openhab.model.item.binding.BindingConfigParseException;

/**
 * This class is responsible for parsing the binding configuration.
 *
 * @author Dan Cunningham
 * @since 1.4.0
 */
public class FreeswitchGenericBindingProvider extends AbstractGenericBindingProvider
        implements FreeswitchBindingProvider {

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

    /**
     * @{inheritDoc}
     */
    @Override
    public void validateItemType(Item item, String bindingConfig) throws BindingConfigParseException {
        if (!(item instanceof StringItem || item instanceof CallItem || item instanceof SwitchItem
                || item instanceof NumberItem)) {
            throw new BindingConfigParseException("item '" + item.getName() + "' is of type '"
                    + item.getClass().getSimpleName() + "', only String, Number, Call and Switch Items are allowed");
        }
    }

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

        String[] configParts = bindingConfig.trim().split(":", 2);

        String command = configParts[0];

        String argument = null;

        if (configParts.length > 1) {
            argument = configParts[1];
        }

        FreeswitchBindingType type = FreeswitchBindingType.fromString(command);

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

        FreeswitchBindingConfig config = new FreeswitchBindingConfig(item.getName(), item.getClass(), type, argument);

        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 FreeswitchBindingConfig getFreeswitchBindingConfig(String itemName) {
        return (FreeswitchBindingConfig) this.bindingConfigs.get(itemName);
    }

}