hd1/GMailMaintain

package us.d8u;
import java.io.PrintWriter;
import java.util.Properties;
import javax.mail.AuthenticationFailedException;
import javax.mail.Flags.Flag;
import javax.mail.Folder;
import javax.mail.internet.InternetAddress;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import javax.mail.Store;
import org.joda.time.DateTime;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.log4j.Logger;
import org.apache.log4j.Level;

public class App
{
    private static Logger logger = Logger.getLogger("us.d8u.App");
    private static boolean isValid(Message msg) throws MessagingException {
        DateTime received = new DateTime(msg.getReceivedDate());
        InternetAddress from = (InternetAddress)msg.getFrom()[0];
        if (received.plusDays(30).isAfterNow() == false) return false;
        //if (from.getAddress().equalsIgnoreCase(emailAddress)) return false;
        if (msg.getFolder().getName().contains("Sent")) return false;
        return true;
    }

    public static void ProcessOptions(String[] args) throws ParseException {
        Options options = new Options();
        options.addOption("u", "user", true, "Gmail username");
        options.addOption("p", "password", true, "Gmail passsword");
        options.addOption("v", "verbose", false, "Be verbose");
        CommandLineParser parser = new GnuParser();
        CommandLine line = parser.parse(options, args);
        if (line.hasOption("user")) {
            System.setProperty("us.d8u.user", line.getOptionValue("user"));
        }
        if (line.hasOption("password")) {
            System.setProperty("us.d8u.password", line.getOptionValue("password"));
        }
        if (line.hasOption("verbose")) {
            logger.setLevel(Level.ALL);
        }

    }

    public static void main( String[] argv )
    {
        Options options = new Options();
        options.addOption("u", "user", true, "Gmail username");
        options.addOption("p", "password", true, "Gmail passsword");
        options.addOption("v", "verbose", false, "Be verbose");
        try {
            ProcessOptions(argv);
        } catch (Throwable t) {
            final HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp("Gmail", options);
            System.exit(-1);
        }

        Properties props = System.getProperties();
        props.setProperty("mail.store.protocol", "imaps");
        Session session = Session.getDefaultInstance(props, null);
        Store store = null;
        try {
            store = session.getStore("imaps");
        } catch (NoSuchProviderException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }
        try {
            store.connect("imap.gmail.com", System.getProperty("us.d8u.user"), System.getProperty("us.d8u.password"));
        } catch (AuthenticationFailedException e) {
            final HelpFormatter formatter = new HelpFormatter();
            formatter.printHelp("Gmail", options);
            System.exit(-1);
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }

        // see which folders are available
        try {
            for (Folder fold : store.getDefaultFolder().list("*")) {
                logger.debug(fold.getName());
            }
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }

        Folder folder = null;
        try {
            folder = store.getFolder("INBOX");
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }

        try {
            folder.open(Folder.READ_WRITE);
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }

        try {
            for (Message msg : folder.getMessages()) {
                if (!isValid(msg)) {
                    msg.setFlag(Flag.DELETED, true);
                }
            }
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }

        try {
            folder.close(true); // expunge messages
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }

        try {
            folder = store.getFolder("Sent Mail");
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }

        logger.debug("In sent mail");

        try {
            folder.open(Folder.READ_WRITE);
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }

        try {
            for (Message msg : folder.getMessages()) {
                if (msg.getSubject().equals("Thought you might be interested")) {
                    msg.setFlag(Flag.DELETED, true);
                }
            }
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }

        try {
            folder.close(true);
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }
        try {
            store.close();
        } catch (MessagingException e) {
            logger.fatal(e.getMessage(), e);
            System.exit(-1);
        }
    }
}