prod/net/jaekl/cfb/analyze/Notifier.java

   1 package net.jaekl.cfb.analyze;
   2
   3 import java.io.PrintWriter;
   4 import java.io.StringWriter;
   5 import java.util.ArrayList;
   6
   7 import net.jaekl.cfb.CfbBundle;
   8 import net.jaekl.cfb.Config;
   9 import net.jaekl.cfb.store.Run;
  10 import net.jaekl.qd.util.MailException;
  11 import net.jaekl.qd.util.MimePart;
  12 import net.jaekl.qd.util.SendMail;
  13
  14 public class Notifier {
  15         private static final String TEXT_HTML = "text/html";
  16
  17         CfbBundle m_bundle;
  18         Config m_config;
  19
  20         public Notifier(CfbBundle bundle, Config config) {
  21                 m_bundle = bundle;
  22                 m_config = config;
  23         }
  24
  25         public void sendEmailIfNeeded(PrintWriter pw, HtmlReport report) {
  26                 Delta delta = report.getDelta();
  27                 if ((delta.getNumNew() > 0) || (delta.getNumFixed() > 0)) {
  28                         sendEmail(pw, report);
  29                 }
  30         }
  31
  32         // --- end of public interface ---
  33
  34         String constructSubject(HtmlReport report) {
  35                 String earlier;
  36                 Run earlierRun = report.getDelta().getEarlier();
  37                 if (null == earlierRun) {
  38                         earlier = m_bundle.get(CfbBundle.NO_EARLIER_RUN);
  39                 }
  40                 else {
  41                         earlier = report.getDelta().getEarlier().constructVersionText(m_bundle);
  42                 }
  43
  44                 String later = report.getDelta().getLater().constructVersionText(m_bundle);
  45
  46                 String subject = m_bundle.get(CfbBundle.CFB_MAIL_SUBJECT, earlier, later);
  47                 return subject;
  48         }
  49
  50         SendMail createSendMail() {
  51                 return new SendMail();
  52         }
  53
  54         void sendEmail(PrintWriter pw, HtmlReport report) {
  55                 SendMail sendMail = createSendMail();
  56                 sendMail.setSmtpHost(m_config.getMailSmtpHost());
  57
  58                 ArrayList<String> recipients = m_config.getNotify();
  59                 if (recipients.size() < 1) {
  60                         return;
  61                 }
  62
  63                 PrintWriter mailWriter = null;
  64
  65                 try {
  66                         sendMail.setSubject(constructSubject(report));
  67                         sendMail.setFrom(m_config.getMailFrom());
  68
  69                         for (String recipient : recipients) {
  70                                 sendMail.addTo(recipient);
  71                         }
  72
  73                         StringWriter sw = new StringWriter();
  74                         mailWriter = new PrintWriter(sw);
  75                         report.write(mailWriter);
  76                         mailWriter.flush();
  77
  78                         MimePart part = new MimePart(TEXT_HTML, sw.toString());
  79                         sendMail.addPart(part);
  80                         sendMail.send();
  81                 }
  82                 catch (MailException exc) {
  83                         StringBuilder toList = new StringBuilder();
  84                         for (String recipient : recipients) {
  85                                 if (toList.length() > 0) {
  86                                         toList.append(", ");
  87                                 }
  88                                 toList.append(recipient);
  89                         }
  90                         pw.println(m_bundle.get(CfbBundle.CANNOT_SEND_MAIL, toList.toString(), exc.toString()));
  91                         exc.printStackTrace(pw);
  92                 }
  93                 finally {
  94                         if (null != mailWriter) {
  95                                 mailWriter.close();
  96                         }
  97                 }
  98         }
  99 }