Java tutorial
/** * The software subject to this notice and license includes both human readable * source code form and machine readable, binary, object code form. The nci-commons * Software was developed in conjunction with the National Cancer Institute * (NCI) by NCI employees and 5AM Solutions, Inc. (5AM). To the extent * government employees are authors, any rights in such works shall be subject * to Title 17 of the United States Code, section 105. * * This nci-commons Software License (the License) is between NCI and You. You (or * Your) shall mean a person or an entity, and all other entities that control, * are controlled by, or are under common control with the entity. Control for * purposes of this definition means (i) the direct or indirect power to cause * the direction or management of such entity, whether by contract or otherwise, * or (ii) ownership of fifty percent (50%) or more of the outstanding shares, * or (iii) beneficial ownership of such entity. * * This License is granted provided that You agree to the conditions described * below. NCI grants You a non-exclusive, worldwide, perpetual, fully-paid-up, * no-charge, irrevocable, transferable and royalty-free right and license in * its rights in the nci-commons Software to (i) use, install, access, operate, * execute, copy, modify, translate, market, publicly display, publicly perform, * and prepare derivative works of the nci-commons Software; (ii) distribute and * have distributed to and by third parties the nci-commons Software and any * modifications and derivative works thereof; and (iii) sublicense the * foregoing rights set out in (i) and (ii) to third parties, including the * right to license such rights to further third parties. For sake of clarity, * and not by way of limitation, NCI shall have no right of accounting or right * of payment from You or Your sub-licensees for the rights granted under this * License. This License is granted at no charge to You. * * Your redistributions of the source code for the Software must retain the * above copyright notice, this list of conditions and the disclaimer and * limitation of liability of Article 6, below. Your redistributions in object * code form must reproduce the above copyright notice, this list of conditions * and the disclaimer of Article 6 in the documentation and/or other materials * provided with the distribution, if any. * * Your end-user documentation included with the redistribution, if any, must * include the following acknowledgment: This product includes software * developed by 5AM and the National Cancer Institute. If You do not include * such end-user documentation, You shall include this acknowledgment in the * Software itself, wherever such third-party acknowledgments normally appear. * * You may not use the names "The National Cancer Institute", "NCI", or "5AM" * to endorse or promote products derived from this Software. This License does * not authorize You to use any trademarks, service marks, trade names, logos or * product names of either NCI or 5AM, except as required to comply with the * terms of this License. * * For sake of clarity, and not by way of limitation, You may incorporate this * Software into Your proprietary programs and into any third party proprietary * programs. However, if You incorporate the Software into third party * proprietary programs, You agree that You are solely responsible for obtaining * any permission from such third parties required to incorporate the Software * into such third party proprietary programs and for informing Your * sub-licensees, including without limitation Your end-users, of their * obligation to secure any required permissions from such third parties before * incorporating the Software into such third party proprietary software * programs. In the event that You fail to obtain such permissions, You agree * to indemnify NCI for any claims against NCI by such third parties, except to * the extent prohibited by law, resulting from Your failure to obtain such * permissions. * * For sake of clarity, and not by way of limitation, You may add Your own * copyright statement to Your modifications and to the derivative works, and * You may provide additional or different license terms and conditions in Your * sublicenses of modifications of the Software, or any derivative works of the * Software as a whole, provided Your use, reproduction, and distribution of the * Work otherwise complies with the conditions stated in this License. * * THIS SOFTWARE IS PROVIDED "AS IS," AND ANY EXPRESSED OR IMPLIED WARRANTIES, * (INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, * NON-INFRINGEMENT AND FITNESS FOR A PARTICULAR PURPOSE) ARE DISCLAIMED. IN NO * EVENT SHALL THE NATIONAL CANCER INSTITUTE, 5AM SOLUTIONS, INC. OR THEIR * AFFILIATES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package com.fiveamsolutions.nci.commons.util; import javax.mail.BodyPart; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.Multipart; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeBodyPart; import javax.mail.internet.MimeMessage; import javax.mail.internet.MimeMultipart; import javax.naming.NamingException; import org.apache.commons.lang.StringUtils; import org.apache.log4j.Logger; import com.fiveamsolutions.nci.commons.data.security.AbstractUser; /** * @author ddasgupta * */ public class MailUtils { private static final Logger LOG = Logger.getLogger(MailUtils.class); private static final String DEFAULT_FROM_ADDRESS = "noreply@5amsolutions.com"; private static boolean mailEnabled = false; private static String fromAddress = DEFAULT_FROM_ADDRESS; /** * Get the current mail session. * @return return the current mail session */ public static Session getMailSession() { try { return (Session) JndiUtils.lookup("java:/Mail"); } catch (IllegalStateException ise) { if (ise.getCause() instanceof NamingException) { LOG.warn("Naming exception. Expected for unit tests only!: " + ise, ise); return null; } throw ise; } } /** * Send an email. * @param u the recipient of the message * @param title the subject of the message * @param html the html content of the message * @param plainText the plain text content of the message * @throws MessagingException on error. */ public static void sendEmail(AbstractUser u, String title, String html, String plainText) throws MessagingException { if (!isMailEnabled()) { LOG.info("sending email to " + u.getEmail() + " with title " + title); LOG.info("plain text: " + plainText); LOG.info("html: " + html); return; } MimeMessage msg = new MimeMessage(getMailSession()); msg.setFrom(new InternetAddress(getFromAddress())); msg.setRecipient(Message.RecipientType.TO, new InternetAddress(u.getEmail())); msg.setSubject(title); Multipart mp = new MimeMultipart("alternative"); BodyPart bp = new MimeBodyPart(); bp.setContent(html, "text/html"); mp.addBodyPart(bp); bp = new MimeBodyPart(); bp.setContent(plainText, "text/plain"); mp.addBodyPart(bp); msg.setContent(mp); Transport.send(msg); } /** * @return the mailEnabled */ public static boolean isMailEnabled() { return mailEnabled; } /** * @param mailEnabled the mailEnabled to set */ public static void setMailEnabled(boolean mailEnabled) { MailUtils.mailEnabled = mailEnabled; } /** * @return the fromAddress */ public static String getFromAddress() { return fromAddress; } /** * @param fromAddress the fromAddress to set */ public static void setFromAddress(String fromAddress) { MailUtils.fromAddress = StringUtils.defaultIfEmpty(fromAddress, DEFAULT_FROM_ADDRESS); } }