Java tutorial
/** * Copyright (C) 2013, Moss Computing Inc. * * This file is part of error-reporting. * * error-reporting is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * error-reporting 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 * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with error-reporting; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA. * * Linking this library statically or dynamically with other modules is * making a combined work based on this library. Thus, the terms and * conditions of the GNU General Public License cover the whole * combination. * * As a special exception, the copyright holders of this library give you * permission to link this library with independent modules to produce an * executable, regardless of the license terms of these independent * modules, and to copy and distribute the resulting executable under * terms of your choice, provided that you also meet, for each linked * independent module, the terms and conditions of the license of that * module. An independent module is a module which is not derived from * or based on this library. If you modify this library, you may extend * this exception to your version of the library, but you are not * obligated to do so. If you do not wish to do so, delete this * exception statement from your version. */ package com.moss.error_reporting.server; import java.io.ByteArrayInputStream; import java.io.IOException; import java.util.LinkedList; import java.util.List; import java.util.zip.ZipInputStream; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.commons.mail.Email; import org.apache.commons.mail.EmailException; import org.apache.commons.mail.HtmlEmail; import org.apache.commons.mail.SimpleEmail; import com.moss.error_reporting.api.ErrorReport; import com.moss.error_reporting.api.ErrorReportChunk; import com.moss.error_reporting.api.ReportId; public final class Notifier { private static int MAX_MESSAGE_LENGTH = 1024 * 5;//5k private final Log log = LogFactory.getLog(getClass()); private final List<String> emailRecipients = new LinkedList<String>(); private final String emailFromAddress; private final String smtpServer; public Notifier(String smtpServer, String emailFromAddress, List<String> emailRecipients) { super(); this.smtpServer = smtpServer; this.emailFromAddress = emailFromAddress; this.emailRecipients.addAll(emailRecipients); } public void sendNotifications(final ReportId id, final ErrorReport report) { new Thread() { @Override public void run() { if (smtpServer != null && emailFromAddress != null && emailRecipients != null) { log.info("Sending Email"); sendEmailNotification(id, report); log.info("Email Sent"); } } }.start(); } public void sendPlainEmail(ReportId id, ErrorReport report) { try { SimpleEmail email = new SimpleEmail(); prepEmail(email, id); email.setMsg("hello world"); email.send(); } catch (EmailException e) { e.printStackTrace(); } } private void prepEmail(Email email, ReportId id) throws EmailException { email.setHostName(smtpServer); for (String recipient : emailRecipients) { email.addTo(recipient); } // email.addTo(emailRecipients.get(0)); email.setFrom(emailFromAddress, "Error Report Server"); email.setSubject("Error Report Received: " + id.getUuid()); } public void sendEmailNotification(ReportId id, ErrorReport report) { try { HtmlEmail email = new HtmlEmail(); prepEmail(email, id); StringBuffer body = new StringBuffer(); body.append("<html><body>"); List<ErrorReportChunk> chunks = report.getReportChunks(); for (int x = 0; x < chunks.size(); x++) { ErrorReportChunk chunk = chunks.get(x); body.append("<div style=\"padding:5px;text-align:center;border:1px solid black;\">"); body.append("<span style=\"font-weight:bold;\">" + chunk.getName() + "</span>"); body.append("<span style=\"font-style:italic;\">[" + chunk.getMimeType() + "</span>]"); body.append("</div>"); String mimeType = chunk.getMimeType(); if (mimeType != null && mimeType.equals("text/plain")) { body.append( "<div style=\"border:1px solid black;border-top:0px;padding:5px;background:#dddddd;\"><pre>"); boolean needsTruncation = chunk.getData().length > MAX_MESSAGE_LENGTH; int length = needsTruncation ? MAX_MESSAGE_LENGTH : chunk.getData().length; body.append(new String(chunk.getData(), 0, length)); if (needsTruncation) { body.append("\n"); body.append((chunk.getData().length - MAX_MESSAGE_LENGTH) + " more bytes"); } body.append("</pre></div>"); } else if (mimeType != null && mimeType.equals("application/zip")) { body.append( "<div style=\"border:1px solid black;border-top:0px;padding:5px;background:#dddddd;\"><pre>"); ZipInputStream in = new ZipInputStream(new ByteArrayInputStream(chunk.getData())); try { new ZipToTextTool().run(in, body); } catch (IOException e) { e.printStackTrace(); body.append("Error Reading Zip:" + e.getMessage()); } body.append("</pre></div>"); } if (x != chunks.size() - 1 && chunks.size() > 1) body.append("<br/><br/>"); } body.append("</body></html>"); // email.setHtmlMsg("<html><body>Hello World</body></html>"); email.setHtmlMsg(body.toString()); // email.setTextMsg("HTML EMAIL"); email.buildMimeMessage(); email.sendMimeMessage(); } catch (EmailException e) { e.printStackTrace(); } } }