CloudClientListenerAdapter.java

/*******************************************************************************
 * Copyright (c) 2011, 2016 Eurotech and/or its affiliates
 *
 * 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
 *
 * Contributors:
 *     Eurotech
 *******************************************************************************/
package org.eclipse.kura.core.cloud;

import org.eclipse.kura.cloud.CloudClientListener;
import org.eclipse.kura.message.KuraPayload;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Utility class to invoke CloudClientListeners catching and ignoring possible raised exceptions.
 */
public class CloudClientListenerAdapter implements CloudClientListener {

    private static final String IGNORED_ERROR_NOTIFYING = "IGNORED - Error notifying ";

    private static final Logger s_logger = LoggerFactory.getLogger(CloudClientListenerAdapter.class);

    private final CloudClientListener m_listener;

    CloudClientListenerAdapter(CloudClientListener listener) {
        this.m_listener = listener;
    }

    public CloudClientListener getCloudClientListenerAdapted() {
        return this.m_listener;
    }

    @Override
    public void onControlMessageArrived(String deviceId, String appTopic, KuraPayload msg, int qos, boolean retain) {
        try {
            this.m_listener.onControlMessageArrived(deviceId, appTopic, msg, qos, retain);
        } catch (Exception e) {
            s_logger.error(IGNORED_ERROR_NOTIFYING + this.m_listener + " for onControlMessageArrived", e);
        }
    }

    @Override
    public void onMessageArrived(String deviceId, String appTopic, KuraPayload msg, int qos, boolean retain) {
        try {
            this.m_listener.onMessageArrived(deviceId, appTopic, msg, qos, retain);
        } catch (Exception e) {
            s_logger.error(IGNORED_ERROR_NOTIFYING + this.m_listener + " for onMessageArrived", e);
        }
    }

    @Override
    public void onConnectionLost() {
        try {
            this.m_listener.onConnectionLost();
        } catch (Exception e) {
            s_logger.error(IGNORED_ERROR_NOTIFYING + this.m_listener + " for onConnectionLost", e);
        }
    }

    @Override
    public void onConnectionEstablished() {
        try {
            this.m_listener.onConnectionEstablished();
        } catch (Exception e) {
            s_logger.error(IGNORED_ERROR_NOTIFYING + this.m_listener + " for onConnectionEstablished", e);
        }
    }

    @Override
    public void onMessageConfirmed(int messageId, String appTopic) {
        try {
            this.m_listener.onMessageConfirmed(messageId, appTopic);
        } catch (Exception e) {
            s_logger.error(IGNORED_ERROR_NOTIFYING + this.m_listener + " for onMessageConfirmed", e);
        }
    }

    @Override
    public void onMessagePublished(int messageId, String appTopic) {
        try {
            this.m_listener.onMessagePublished(messageId, appTopic);
        } catch (Exception e) {
            s_logger.error(IGNORED_ERROR_NOTIFYING + this.m_listener + " for onMessagePublished", e);
        }
    }
}