Email Logger
//: c15:EmailLogger.java
// {RunByHand} Must be connected to the Internet
// {Depends: mail.jar,activation.jar}
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
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() + "\n";
}
});
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("bruce@theunixman.com",
new String[] { "bruce@theunixman.com" },
"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);
}
}
} ///:~
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