dk.teachus.backend.bean.impl.SpringMailBean.java Source code

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Here is the source code for dk.teachus.backend.bean.impl.SpringMailBean.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 dk.teachus.backend.bean.impl;

import java.util.Map;

import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

import org.springframework.mail.MailSendException;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.mail.javamail.MimeMessagePreparator;

import com.sun.mail.smtp.SMTPAddressFailedException;

import dk.teachus.backend.MailException;
import dk.teachus.backend.RecipientErrorMailException;
import dk.teachus.backend.bean.MailBean;
import dk.teachus.backend.domain.impl.MailMessage.Type;

public class SpringMailBean implements MailBean {
    private static final long serialVersionUID = 1L;

    private JavaMailSender mailSender;

    public SpringMailBean(JavaMailSender mailSender) {
        this.mailSender = mailSender;
    }

    public void sendMail(final InternetAddress sender, final InternetAddress recipient, final String subject,
            final String body, final Type mailType) throws MailException {
        try {
            mailSender.send(new MimeMessagePreparator() {
                public void prepare(MimeMessage mimeMessage) throws Exception {
                    MimeMessageHelper message = new MimeMessageHelper(mimeMessage, false, "UTF-8");

                    message.setFrom(sender);
                    message.addTo(recipient);
                    message.setSubject(subject);

                    switch (mailType) {
                    case HTML:
                        message.setText(body, true);
                        break;
                    default:
                        message.setText(body);
                        break;
                    }
                }
            });
        } catch (MailSendException e) {
            Map<?, ?> failedMessages = e.getFailedMessages();

            if (failedMessages != null && failedMessages.isEmpty() == false) {
                Object object = failedMessages.values().iterator().next();
                if (object != null) {
                    Exception mailException = (Exception) object;
                    if (mailException.getCause() instanceof SMTPAddressFailedException) {
                        throw new RecipientErrorMailException(e);
                    }
                }
            }

            throw new MailException(e);
        }
    }

}