Java tutorial
/** * This file is part of mycollab-server-runner. * * mycollab-server-runner 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 3 of the License, or * (at your option) any later version. * * mycollab-server-runner 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 mycollab-server-runner. If not, see <http://www.gnu.org/licenses/>. */ package com.esofthead.mycollab.servlet; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.mail.DefaultAuthenticator; import org.apache.commons.mail.Email; import org.apache.commons.mail.EmailException; import org.apache.commons.mail.SimpleEmail; /** * * @author MyCollab Ltd. * @since 4.1 * */ public class EmailValidationServlet extends HttpServlet { private static final long serialVersionUID = 1L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String smtpUserName = request.getParameter("smtpUserName"); String smtpPassword = request.getParameter("smtpPassword"); String smtpHost = request.getParameter("smtpHost"); String smtpPort = request.getParameter("smtpPort"); String tls = request.getParameter("tls"); int mailServerPort; try { mailServerPort = Integer.parseInt(smtpPort); } catch (Exception e) { PrintWriter out = response.getWriter(); out.write("Port must be an integer value"); return; } try { Email email = new SimpleEmail(); email.setHostName(smtpHost); email.setSmtpPort(mailServerPort); email.setAuthenticator(new DefaultAuthenticator(smtpUserName, smtpPassword)); if (tls.equals("true")) { email.setSSLOnConnect(true); } else { email.setSSLOnConnect(false); } email.setFrom(smtpUserName); email.setSubject("MyCollab Test Email"); email.setMsg("This is a test mail ... :-)"); email.addTo(smtpUserName); email.send(); } catch (EmailException e) { PrintWriter out = response.getWriter(); out.write("Cannot establish SMTP connection. Please recheck your config."); return; } } }