org.smap.notifications.interfaces.EmitNotifications.java Source code

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Here is the source code for org.smap.notifications.interfaces.EmitNotifications.java

Source

package org.smap.notifications.interfaces;

import java.io.FileInputStream;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;

import com.amazonaws.auth.ClasspathPropertiesFileCredentialsProvider;
import com.amazonaws.services.sns.AmazonSNS;
import com.amazonaws.services.sns.AmazonSNSClient;
import com.amazonaws.services.sns.model.PublishRequest;
import com.amazonaws.services.sns.model.PublishResult;

/*****************************************************************************
    
This file is part of SMAP.
    
SMAP is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
SMAP is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with SMAP.  If not, see <http://www.gnu.org/licenses/>.
    
 ******************************************************************************/

/*
 * Manage the table that stores details on the forwarding of data onto other systems
 */
public class EmitNotifications {

    /*
     * Events
     */
    public static int AWS_REGISTER_ORGANISATION = 0;

    private static Logger log = Logger.getLogger(EmitNotifications.class.getName());

    Properties properties = new Properties();

    public EmitNotifications() {
        try {
            properties.load(new FileInputStream("/smap_bin/resources/properties/aws.properties"));
        } catch (Exception e) {
            log.log(Level.SEVERE, "Error reading properties", e);
        }
    }

    /*
     * Publish to an SNS topic
     */
    public void publish(int event, String msg, String subject) {

        //create a new SNS client
        AmazonSNS sns = AmazonSNSClient.builder().withRegion("ap-southeast-1")
                .withCredentials(new ClasspathPropertiesFileCredentialsProvider()).build();

        String topic = getTopic(event);

        if (topic != null) {
            PublishRequest publishRequest = new PublishRequest(topic, msg, subject);
            PublishResult publishResult = sns.publish(publishRequest);
            log.info("Publish: " + subject + " MessageId - " + publishResult.getMessageId());
        }

    }

    private String getTopic(int event) {

        String topic = null;

        if (event == AWS_REGISTER_ORGANISATION) {
            topic = properties.getProperty("register_organisation_topic");
            log.info("Publish: register");
        } else {
            log.info("Error: Publish: invalid event: " + event);
        }

        return topic;
    }

}