com.erudika.para.email.AWSEmailer.java Source code

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Here is the source code for com.erudika.para.email.AWSEmailer.java

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/*
 * Copyright 2013-2017 Erudika. https://erudika.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * For issues and patches go to: https://github.com/erudika
 */
package com.erudika.para.email;

import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.simpleemail.AmazonSimpleEmailServiceClient;
import com.amazonaws.services.simpleemail.model.Body;
import com.amazonaws.services.simpleemail.model.Content;
import com.amazonaws.services.simpleemail.model.Destination;
import com.amazonaws.services.simpleemail.model.Message;
import com.amazonaws.services.simpleemail.model.SendEmailRequest;
import com.erudika.para.Para;
import com.erudika.para.utils.Config;
import java.util.List;
import javax.inject.Singleton;
import org.apache.commons.lang3.StringUtils;

/**
 * An emailer that uses AWS Simple Email Service (SES).
 * By default, this implementation treats the body as HTML content.
 * @author Alex Bogdanovski [alex@erudika.com]
 */
@Singleton
public class AWSEmailer implements Emailer {

    private static AmazonSimpleEmailServiceClient sesclient;

    /**
     * No-args constructor.
     */
    public AWSEmailer() {
        sesclient = new AmazonSimpleEmailServiceClient(
                new BasicAWSCredentials(Config.AWS_ACCESSKEY, Config.AWS_SECRETKEY));
    }

    @Override
    public boolean sendEmail(List<String> emails, String subject, String body) {
        if (emails != null && !emails.isEmpty() && !StringUtils.isBlank(body)) {
            final SendEmailRequest request = new SendEmailRequest().withSource(Config.SUPPORT_EMAIL);
            Destination dest = new Destination().withToAddresses(emails);
            request.setDestination(dest);

            Content subjContent = new Content().withData(subject);
            Message msg = new Message().withSubject(subjContent);

            // Include a body in both text and HTML formats
            Content textContent = new Content().withData(body).withCharset(Config.DEFAULT_ENCODING);
            msg.setBody(new Body().withHtml(textContent));

            request.setMessage(msg);

            Para.asyncExecute(new Runnable() {
                public void run() {
                    sesclient.sendEmail(request);
                }
            });
            return true;
        }
        return false;
    }
}