com.gendevs.bedrock.appengine.integration.mail.Mailer.java Source code

Introduction

Here is the source code for com.gendevs.bedrock.appengine.integration.mail.Mailer.java

Source

/*
 * Copyright 2015 General Developers. www.gendevs.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.
 */

package com.gendevs.bedrock.appengine.integration.mail;

import com.gendevs.bedrock.appengine.utils.AppConstants;
import org.apache.velocity.app.VelocityEngine;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.ui.velocity.VelocityEngineUtils;

import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.util.Map;

public class Mailer {
    private JavaMailSenderImpl mailSender;
    private VelocityEngine velocityEngine;

    public void setMailSender(JavaMailSenderImpl mailSender) {
        this.mailSender = mailSender;
    }

    public void setVelocityEngine(VelocityEngine velocityEngine) {
        this.velocityEngine = velocityEngine;
    }

    public void sendMail(Mail mail, Map<String, Object> model) throws MessagingException {

        //TODO: Deepak. not the perfect way to pull resources from the below code
        //but accordng to http://velocity.apache.org/engine/releases/velocity-1.7/developer-guide.html#resourceloaders
        //File resource handelers needs more config for which we don't have enough time.
        MimeMessage mimeMessage = mailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, false, "utf-8");

        helper.setSubject(mail.getSubject());
        helper.setFrom(AppConstants.APP_EMAILID);

        for (MailReceiver mailReceiver : mail.getReceivers()) {
            model.put("_receiverFirstName", mailReceiver.firstName);
            model.put("_receiverLastName", mailReceiver.lastName);
            model.put("_receiverEmail", mailReceiver.email);
            model.put("_receiverImageUrl", mailReceiver.imageUrl);

            String mailBody = VelocityEngineUtils.mergeTemplateIntoString(velocityEngine,
                    "com/gendevs/bedrock/appengine/integration/mail/templates/" + mail.getTemplateName(), "UTF-8",
                    model);
            mimeMessage.setContent(mailBody, mail.getContentType());

            helper.setTo(mailReceiver.email);
            mailSender.send(mimeMessage);
        }
    }
}