org.openhab.binding.ekozefir.response.statuslistener.StatusResponseListenerCreator.java Source code

Introduction

Here is the source code for org.openhab.binding.ekozefir.response.statuslistener.StatusResponseListenerCreator.java

Source

/**
 * Copyright (c) 2010-2015, openHAB.org and others.
 *
 * 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.ekozefir.response.statuslistener;

import java.util.Map;
import java.util.Objects;

import org.openhab.binding.ekozefir.exception.UnsupportedByteValueException;
import org.openhab.binding.ekozefir.response.Response;
import org.openhab.binding.ekozefir.response.ResponseListener;
import org.openhab.binding.ekozefir.response.ResponseListenerCreator;
import org.openhab.core.events.EventPublisher;
import org.openhab.core.library.types.StringType;

import com.google.common.collect.ImmutableMap;
import com.google.common.eventbus.Subscribe;

/**
 * Creator for status of ahu response listener. Listen for response from ahu.
 * 
 * @author Michal Marasz
 * @since 1.6.0
 * 
 */
public class StatusResponseListenerCreator implements ResponseListenerCreator {

    /**
     * {@inheritDoc}
     */
    @Override
    public ResponseListener create(final String item, final EventPublisher publisher) {
        Objects.requireNonNull(item);
        Objects.requireNonNull(publisher);
        return new ResponseListener() {
            private final int byteNumberOfResponse = 3;
            private final Map<Integer, StringType> values = ImmutableMap.of(1, new StringType("STARTING"), 2,
                    new StringType("WORK"), 3, new StringType("SHUTDOWN"), 4, new StringType("STANDBY"), 5,
                    new StringType("ALERT"));

            @Subscribe
            @Override
            public void listen(Response event) {
                Objects.requireNonNull(event);
                int value = event.convertByteOfNumberToInt(byteNumberOfResponse);
                if (!values.containsKey(value)) {
                    throw new UnsupportedByteValueException(getClass(), value);
                }
                publisher.postUpdate(item, values.get(value));
            }

        };
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getId() {
        return "status";
    }

    @Override
    public String toString() {
        return Objects.toString("Response listener creator id: " + getId());
    }
}