how to organize send mail in java with condition？

import java.util.Properties;
import javax.mail.*;
import javax.mail.internet.*;

public class EmailSender {

    public static void main(String[] args) {
        
        // Condition for sending email
        boolean conditionToSendEmail = true; // Modify this based on your condition

        if (conditionToSendEmail) {
            String to = "receiver@example.com";
            String from = "sender@example.com";
            String host = "smtp.example.com";
            String password = "password"; // Your email password

            // Setup mail server properties
            Properties properties = System.getProperties();
            properties.put("mail.smtp.host", host);
            properties.put("mail.smtp.port", "587"); // You can use 465 for SSL
            properties.put("mail.smtp.auth", "true");
            properties.put("mail.smtp.starttls.enable", "true");

            // Get the default Session object
            Session session = Session.getDefaultInstance(properties,
                    new javax.mail.Authenticator() {
                        protected PasswordAuthentication getPasswordAuthentication() {
                            return new PasswordAuthentication(from, password);
                        }
                    });

            try {
                // Create a default MimeMessage object
                MimeMessage message = new MimeMessage(session);

                // Set From: header field
                message.setFrom(new InternetAddress(from));

                // Set To: header field
                message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));

                // Set Subject: header field
                message.setSubject("This is the Subject Line!");

                // Set the actual message
                message.setText("This is the body of the email!");

                // Send message
                Transport.send(message);
                System.out.println("Email Sent Successfully!");
            } catch (MessagingException mex) {
                mex.printStackTrace();
            }
        } else {
            System.out.println("Condition not met. Email not sent.");
        }
    }
}
Java相关代码片段
