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krams915/SendGridEmailService.java

Created July 8, 2012 10:23
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  1. krams915 created this gist Jul 8, 2012.
    59 changes: 59 additions & 0 deletions SendGridEmailService.java
    View file
    Original file line number Diff line number Diff line change
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    package org.krams.service;

    import java.io.File;
    import org.apache.log4j.Logger;
    import org.krams.domain.Message;
    import org.krams.response.StatusResponse;
    import org.krams.util.SendGridParameter;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.core.io.FileSystemResource;
    import org.springframework.core.io.Resource;
    import org.springframework.stereotype.Service;
    import org.springframework.util.LinkedMultiValueMap;
    import org.springframework.util.MultiValueMap;
    import org.springframework.web.client.RestTemplate;

    @Service
    public class SendGridEmailService implements EmailService {

    protected static Logger logger = Logger.getLogger("service");
    private RestTemplate restTemplate = new RestTemplate();

    @Value("${sendgrid.api.user}")
    private String sendgridApiUser;

    @Value("${sendgrid.api.key}")
    private String sendgridApiKey;

    @Value("${temp.dir}")
    private String tempDirectory;

    @Override
    public StatusResponse send(Message message) {
    try {
    MultiValueMap<String, Object> vars = new LinkedMultiValueMap<String, Object>();
    vars.add(SendGridParameter.API_USER, sendgridApiUser);
    vars.add(SendGridParameter.API_KEY, sendgridApiKey);
    vars.add(SendGridParameter.SENDER_NAME, message.getSenderName());
    vars.add(SendGridParameter.SENDER_EMAIL, message.getSenderEmail());
    vars.add(SendGridParameter.BLIND_COPY_EMAIL, message.getCcEmail());
    vars.add(SendGridParameter.SUBJECT, message.getSubject());
    vars.add(SendGridParameter.TEXT, "");
    vars.add(SendGridParameter.HTML, message.getBody());
    vars.add(SendGridParameter.RECEIVER_EMAIL, message.getReceiverEmail());
    vars.add(SendGridParameter.RECEIVER_NAME, message.getReceiverName());

    for (String filename: message.getFilename().split(",")) {
    Resource resource = new FileSystemResource(tempDirectory + File.separator + filename);
    vars.add("files["+filename+"]", resource);
    }

    restTemplate.postForLocation(SendGridParameter.URL, vars);
    } catch (Exception ex) {
    logger.error(ex);
    return new StatusResponse(false, "An error has occurred!");
    }

    return new StatusResponse(true, "Message sent");
    }
    }