Java tutorial
/** * Copyright (C) 2012-2015 the original author or authors. * * 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 ninja.postoffice.commonsmail; import java.util.ArrayList; import java.util.Collection; import java.util.List; import javax.mail.internet.AddressException; import javax.mail.internet.InternetAddress; import ninja.postoffice.Mail; import ninja.postoffice.common.Tuple; import org.apache.commons.mail.EmailException; import org.apache.commons.mail.HtmlEmail; import org.apache.commons.mail.MultiPartEmail; public class CommonsmailHelperImpl implements CommonsmailHelper { /** * Creates a MultiPartEmail. Selects the correct implementation * regarding html (MultiPartEmail) and/or txt content or both. * * Populates the mutlipart email accordingly with the txt / html content. */ @Override public MultiPartEmail createMultiPartEmailWithContent(Mail mail) throws EmailException { MultiPartEmail multiPartEmail; // set if it is a txt or html mail: if (mail.getBodyHtml() == null || mail.getBodyHtml().equals("")) { multiPartEmail = new MultiPartEmail(); multiPartEmail.setMsg(mail.getBodyText()); } else if (mail.getBodyText() == null || mail.getBodyText().equals("")) { multiPartEmail = new HtmlEmail().setHtmlMsg(mail.getBodyHtml()); } else { multiPartEmail = new HtmlEmail().setHtmlMsg(mail.getBodyHtml()).setTextMsg(mail.getBodyText()); } // and return the nicely configured mail: return multiPartEmail; } @Override public void doPopulateMultipartMailWithContent(MultiPartEmail multiPartEmail, Mail mail) throws AddressException, EmailException { String charset = "utf-8"; if (mail.getCharset() != null) { charset = mail.getCharset(); } multiPartEmail.setCharset(charset); String subject = ""; if (mail.getSubject() != null) { subject = mail.getSubject(); } multiPartEmail.setSubject(subject); if (mail.getFrom() != null) { Tuple<String, String> from = createValidEmailFromString(mail.getFrom()); if (from.y != null) { multiPartEmail.setFrom(from.x, from.y); } else { multiPartEmail.setFrom(from.x); } } if (mail.getTos() != null) { if (!mail.getTos().isEmpty()) { List<Tuple<String, String>> emails = createListOfAddresses(mail.getTos()); for (Tuple<String, String> email : emails) { if (email.y != null) { multiPartEmail.addTo(email.x, email.y); } else { multiPartEmail.addTo(email.x); } } } } if (mail.getReplyTo() != null) { if (!mail.getReplyTo().isEmpty()) { List<Tuple<String, String>> emails = createListOfAddresses(mail.getReplyTo()); for (Tuple<String, String> email : emails) { multiPartEmail.addReplyTo(email.x, email.y); } } } if (mail.getCcs() != null) { if (!mail.getCcs().isEmpty()) { List<Tuple<String, String>> emails = createListOfAddresses(mail.getCcs()); for (Tuple<String, String> email : emails) { multiPartEmail.addCc(email.x, email.y); } } } if (mail.getBccs() != null) { if (!mail.getBccs().isEmpty()) { List<Tuple<String, String>> emails = createListOfAddresses(mail.getBccs()); for (Tuple<String, String> email : emails) { multiPartEmail.addBcc(email.x, email.y); } } } if (mail.getHeaders() != null) { multiPartEmail.setHeaders(mail.getHeaders()); } } @Override public void doSetServerParameter(MultiPartEmail multiPartEmail, String smtpHost, Integer smtpPort, Boolean smtpSsl, String smtpUser, String smtpPassword, Boolean smtpDebug) { // /set config params: multiPartEmail.setHostName(smtpHost); multiPartEmail.setSmtpPort(smtpPort); multiPartEmail.setSSLOnConnect(smtpSsl); if (smtpUser != null) { multiPartEmail.setAuthentication(smtpUser, smtpPassword); } multiPartEmail.setDebug(smtpDebug); } @Override public List<Tuple<String, String>> createListOfAddresses(Collection<String> emails) throws AddressException { List<Tuple<String, String>> tuples = new ArrayList<Tuple<String, String>>(); for (String email : emails) { tuples.add(createValidEmailFromString(email)); } return tuples; } @Override public Tuple<String, String> createValidEmailFromString(String email) throws AddressException { InternetAddress internetAddress = new InternetAddress(email); Tuple<String, String> tuple = new Tuple<String, String>(internetAddress.getAddress(), internetAddress.getPersonal()); return tuple; } }