Java tutorial
// --------------------------------------------------------------------------- // jWebSocket - jWebSocket SMTP Plug-In // Copyright (c) 2010 Innotrade GmbH, jWebSocket.org // --------------------------------------------------------------------------- // THIS CODE IS FOR RESEARCH, EVALUATION AND TEST PURPOSES ONLY! // THIS CODE MAY BE SUBJECT TO CHANGES WITHOUT ANY NOTIFICATION! // --------------------------------------------------------------------------- // This program is free software; you can redistribute it and/or modify it // under the terms of the GNU Lesser General Public License as published by the // Free Software Foundation; either version 3 of the License, or (at your // option) any later version. // This program is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for // more details. // You should have received a copy of the GNU Lesser General Public License along // with this program; if not, see <http://www.gnu.org/licenses/lgpl.html>. // --------------------------------------------------------------------------- package org.jwebsocket.plugins.mail; import java.util.List; import java.util.Map; import javolution.util.FastList; import javolution.util.FastMap; import org.apache.commons.mail.Email; import org.apache.commons.mail.EmailAttachment; import org.apache.commons.mail.HtmlEmail; import org.apache.commons.mail.MultiPartEmail; import org.apache.log4j.Logger; import org.jwebsocket.api.PluginConfiguration; import org.jwebsocket.api.WebSocketConnector; import org.jwebsocket.config.JWebSocketServerConstants; import org.jwebsocket.kit.PlugInResponse; import org.jwebsocket.logging.Logging; import org.jwebsocket.plugins.TokenPlugIn; import org.jwebsocket.server.TokenServer; import org.jwebsocket.token.Token; /** * * @author aschulze */ public class MailPlugIn extends TokenPlugIn { private static Logger mLog = Logging.getLogger(MailPlugIn.class); private static String SMTP_HOST = null; private static final String SMTP_HOST_KEY = "smtp_host"; private static Integer SMTP_PORT = -1; private static final String SMTP_PORT_KEY = "smtp_port"; private static Boolean SMTP_AUTH = false; private static final String SMTP_AUTH_KEY = "smtp_auth"; private static String SMTP_USER = null; private static final String SMTP_USER_KEY = "smtp_user"; private static String SMTP_PASSWORD = null; private static final String SMTP_PASSWORD_KEY = "smtp_password"; private static Boolean SMTP_POP3BEFORE = false; private static final String SMTP_POP3BEFORE_KEY = "smtp_pop3before"; private static String POP3_HOST = null; private static final String POP3_HOST_KEY = "pop3_host"; private static Integer POP3_PORT = -1; private static final String POP3_PORT_KEY = "pop3_port"; private static String POP3_USER = null; private static String POP3_USER_KEY = "pop3_user"; private static String POP3_PASSWORD = null; private static String POP3_PASSWORD_KEY = "pop3_password"; // if namespace changed update client plug-in accordingly! private static final String NS_MAIL = JWebSocketServerConstants.NS_BASE + ".plugins.mail"; public MailPlugIn() { super(null); } public MailPlugIn(PluginConfiguration aConfiguration) { super(aConfiguration); if (mLog.isDebugEnabled()) { mLog.debug("Instantiating mail plug-in..."); } // specify default name space for admin plugin this.setNamespace(NS_MAIL); mGetSettings(); } private void mGetSettings() { SMTP_HOST = getSetting(SMTP_HOST_KEY, null); SMTP_PORT = Integer.parseInt(getSetting(SMTP_PORT_KEY, "25")); SMTP_AUTH = getSetting(SMTP_AUTH_KEY, "false").equals("true"); SMTP_USER = getSetting(SMTP_USER_KEY, null); SMTP_PASSWORD = getSetting(SMTP_PASSWORD_KEY, null); SMTP_POP3BEFORE = getSetting(SMTP_POP3BEFORE_KEY, "false").equals("true"); POP3_HOST = getSetting(POP3_HOST_KEY, null); POP3_PORT = Integer.parseInt(getSetting(POP3_PORT_KEY, "110")); POP3_USER = getSetting(POP3_USER_KEY, null); POP3_PASSWORD = getSetting(POP3_PASSWORD_KEY, null); } @Override public void processToken(PlugInResponse aResponse, WebSocketConnector aConnector, Token aToken) { String lType = aToken.getType(); String lNS = aToken.getNS(); if (lType != null && getNamespace().equals(lNS)) { // select from database if (lType.equals("sendMail")) { sendMail(aConnector, aToken); } } } private void sendMail(WebSocketConnector aConnector, Token aToken) { TokenServer lServer = getServer(); String lFrom = aToken.getString("from", "[unknown]"); String lTo = aToken.getString("to"); String lCC = aToken.getString("cc"); String lBCC = aToken.getString("bcc"); String lSubject = aToken.getString("subject"); String lBody = aToken.getString("body"); Boolean lIsHTML = aToken.getBoolean("html", false); // instantiate response token Token lResponse = lServer.createResponse(aToken); Map lMap = new FastMap(); if (lFrom != null && lFrom.length() > 0) { lMap.put("from", lFrom); } if (lTo != null && lTo.length() > 0) { lMap.put("to", lTo); } if (lCC != null && lCC.length() > 0) { lMap.put("cc", lCC); } if (lBCC != null && lBCC.length() > 0) { lMap.put("bcc", lBCC); } if (lSubject != null && lSubject.length() > 0) { lMap.put("subject", lSubject); } if (lBody != null && lBody.length() > 0) { lMap.put("body", lBody); } // Create the attachment List<EmailAttachment> lAttachments = new FastList<EmailAttachment>(); /* if( aAttachments != null ) { for( int lIdx = 0; lIdx < aAttachments.length; lIdx++ ) { EmailAttachment lAttachment = new EmailAttachment(); lAttachment.setPath( aAttachments[ lIdx ] ); lAttachment.setDisposition( EmailAttachment.ATTACHMENT ); // lAttachment.setDescription( "Picture of John" ); // lAttachment.setName( "John" ); lAttachments.add( lAttachment ); } } */ // Create the lEmail message if (mLog.isDebugEnabled()) { mLog.debug("Sending e-mail to " + lTo + " with subject '" + lSubject + "'..."); } try { Email lEmail; if (lIsHTML) { lEmail = new HtmlEmail(); } else { lEmail = new MultiPartEmail(); } lEmail.setHostName(SMTP_HOST); lEmail.setSmtpPort(SMTP_PORT); if (SMTP_AUTH) { lEmail.setAuthentication(SMTP_USER, SMTP_PASSWORD); } if (SMTP_POP3BEFORE) { lEmail.setPopBeforeSmtp(true, POP3_HOST, POP3_USER, POP3_PASSWORD); } if (lFrom != null && lFrom.length() > 0) { lEmail.setFrom(lFrom); } if (lTo != null && lTo.length() > 0) { lEmail.addTo(lTo); } if (lSubject != null && lSubject.length() > 0) { lEmail.setSubject(lSubject); } if (lBody != null && lBody.length() > 0) { if (lIsHTML) { HtmlEmail lHTML = ((HtmlEmail) lEmail); /* URL lURL = new URL("http://five-feet-further.com/aschulze/images/portrait_web_kleiner.jpg"); String lCID = ((HtmlEmail )lEmail).embed(lURL, "five feet further logo"); //url = new URL( "http://five-feet-further.com/resources/css/IJX4FWDocu.css" ); // String css = ((HtmlEmail)lEmail).embed( url, "name of css" ); ((HtmlEmail )lEmail).setHtmlMsg( "<html><body>" + "<style type=\"text/css\">" + "h1 { " + " font-family:arial, helvetica, sans-serif;" + " font-weight:bold;" + " font-size:18pt;" + "}" + "</style>" + // "<link href=\"cid:" + css + "\" type=\"text/css\" rel=\"stylesheet\">" + "<p><img src=\"cid:" + lCID + "\"></p>" + "<p><img src=\"http://five-feet-further.com/aschulze/images/portrait_web_kleiner.jpg\"></p>" + lItem + "</body></html>"); */ /* // Now the message body. Multipart mp = new MimeMultipart(); BodyPart textPart = new MimeBodyPart(); // sets type to "text/plain" textPart.setText("Kann Ihr Browser keine HTML-Mails darstellen?"); BodyPart pixPart = new MimeBodyPart(); pixPart.setContent(lMsg, "text/html"); // Collect the Parts into the MultiPart mp.addBodyPart(textPart); mp.addBodyPart(pixPart); // Put the MultiPart into the Message ((HtmlEmail) lEmail).setContent((MimeMultipart)mp); ((HtmlEmail) lEmail).buildMimeMessage(); /* // ((HtmlEmail) lEmail).setContent(lMsg, Email.TEXT_HTML); // lHeaders.put("Innotrade-Id", "4711-0815"); // lHTML.setHeaders(lHeaders); // ((HtmlEmail) lEmail).setCharset("UTF-8"); // ((HtmlEmail) lEmail).setMsg(lMsg); lMM.setHeader("Innotrade-Id", "4711-0815"); // ((HtmlEmail) lEmail).setContent(lTxtMsg, Email.TEXT_PLAIN); */ // String lTxtMsg = "Your Email-Client does not support HTML messages."; lHTML.setHtmlMsg(lBody); // lHTML.setTextMsg(lTxtMsg); } else { lEmail.setMsg(lBody); } } // add attachment(s), if such for (EmailAttachment lAttachment : lAttachments) { ((MultiPartEmail) lEmail).attach(lAttachment); } for (int lIdx = 0; lIdx < lAttachments.size(); lIdx++) { ((MultiPartEmail) lEmail).attach((EmailAttachment) lAttachments.get(lIdx)); } // send the Email String lMsgId = lEmail.send(); if (mLog.isInfoEnabled()) { mLog.info("Email successfully sent" + " from " + (lFrom != null ? lFrom : "(no sender)") + " to " + (lTo != null ? lTo : "(no receipient)") + ", subject " + (lSubject != null ? "'" + lSubject + "'" : "(no subject)") + ", Id " + lMsgId); } lResponse.setString("id", lMsgId); } catch (Exception lEx) { String lMsg = lEx.getClass().getSimpleName() + ": " + lEx.getMessage(); mLog.error(lMsg); lResponse.setInteger("code", -1); lResponse.setString("msg", lMsg); } // send response to requester lServer.sendToken(aConnector, lResponse); } }