Java tutorial
/* documentr - Edit, maintain, and present software documentation on the web. Copyright (C) 2012-2013 Maik Schreiber This program 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. 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ package de.blizzy.documentr.mail; import java.util.Map; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.mail.javamail.JavaMailSender; import org.springframework.mail.javamail.JavaMailSenderImpl; import org.springframework.stereotype.Component; import de.blizzy.documentr.system.SystemSettingsStore; @Component class MailSenderFactory { @Autowired private SystemSettingsStore systemSettingsStore; JavaMailSender createSender() { Map<String, String> settings = systemSettingsStore.getSettings(); String host = settings.get(SystemSettingsStore.MAIL_HOST_NAME); int port = Integer.parseInt(settings.get(SystemSettingsStore.MAIL_HOST_PORT)); if (StringUtils.isNotBlank(host)) { JavaMailSenderImpl sender = new JavaMailSenderImpl(); sender.setHost(host); sender.setPort(port); return sender; } else { return null; } } }