emaillogger.java

think in java TIJ-3rd-edition-code.zip

//: X1:EmailLogger.java
// {RunByHand} Must be connected to the Internet
// {Depends: mail.jar}
// {Depends: activation.jar}
import java.util.logging.*;
import java.io.*;
import java.util.Properties;
import javax.mail.*;
import javax.mail.internet.*;

public class EmailLogger {
  private static Logger logger =
    Logger.getLogger("EmailLogger");
  public static void main(String[] args)
    throws Exception {
    logger.setUseParentHandlers(false);
    Handler conHdlr = new ConsoleHandler();
    conHdlr.setFormatter(new Formatter() {
      public String format(LogRecord record) {
        return record.getLevel() + "  :  " +
          record.getSourceClassName() + ":" +
          record.getSourceMethodName() + ":" +
          record.getMessage() +
          System.getProperty("line.separator");
      }
    });
    logger.addHandler(conHdlr);
    logger.addHandler(
      new FileHandler("EmailLoggerOutput.xml"));
    logger.addHandler(new MailingHandler());
    logger.log(Level.INFO, 
      "Testing Multiple Handlers", "SendMailTrue");
  }
}

// A handler that sends mail messages
class MailingHandler extends Handler {
  public void publish(LogRecord record) {
    Object[] params = record.getParameters();
    if(params == null) return;
    // Send mail only if the parameter is true
    if (params[0].equals("SendMailTrue")) {
      new MailInfo("[e-mail]",
        new String[] { "[e-mail]" },
        "smtp.theunixman.com", "Test Subject", 
        "Test Content").sendMail();
    }
  }
  public void close() {}
  public void flush() {}
}

class MailInfo {
  private String fromAddr;
  private String[] toAddr;
  private String serverAddr;
  private String subject;
  private String message;
  public MailInfo(String from, String[] to, 
    String server, String subject, String message) {
    fromAddr = from;
    toAddr = to;
    serverAddr = server;
    this.subject = subject;
    this.message = message;
  }
  public void sendMail() {
    try {
      Properties prop = new Properties();
      prop.put("mail.smtp.host", serverAddr);
      Session session =
        Session.getDefaultInstance(prop, null);
      session.setDebug(true);
      // Create a message
      Message mimeMsg = new MimeMessage(session);
      // Set the from and to address
      Address addressFrom =
        new InternetAddress(fromAddr);
      mimeMsg.setFrom(addressFrom);
      Address[] to =
        new InternetAddress[toAddr.length];
      for (int i = 0; i < toAddr.length; i++)
        to[i] = new InternetAddress(toAddr[i]);
      mimeMsg.setRecipients(
        Message.RecipientType.TO,to);
      mimeMsg.setSubject(subject);
      mimeMsg.setText(message);
      Transport.send(mimeMsg);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
  }
} ///:~