org.mailster.smtp.core.commands.BuiltinCommandRegistry Maven / Gradle / Ivy

package org.mailster.smtp.core.commands;

import java.lang.reflect.InvocationTargetException;

import org.mailster.smtp.core.commands.impl.AuthCommand;
import org.mailster.smtp.core.commands.impl.DataCommand;
import org.mailster.smtp.core.commands.impl.EhloCommand;
import org.mailster.smtp.core.commands.impl.HeloCommand;
import org.mailster.smtp.core.commands.impl.HelpCommand;
import org.mailster.smtp.core.commands.impl.MailCommand;
import org.mailster.smtp.core.commands.impl.NoopCommand;
import org.mailster.smtp.core.commands.impl.QuitCommand;
import org.mailster.smtp.core.commands.impl.ReceiptCommand;
import org.mailster.smtp.core.commands.impl.ResetCommand;
import org.mailster.smtp.core.commands.impl.StartTLSCommand;


/**
 * Enumerates all the internal {@link Command} available.
 *
 * @author De Oliveira Edouard <[email protected]>
 */
public enum BuiltinCommandRegistry {
    AUTH(AuthCommand.class), DATA(DataCommand.class), EHLO(EhloCommand.class), HELO(HeloCommand.class), HELP(
            HelpCommand.class), MAIL(MailCommand.class), NOOP(NoopCommand.class), QUIT(QuitCommand.class), RCPT(
            ReceiptCommand.class), RSET(ResetCommand.class), STARTTLS(StartTLSCommand.class);

    private Command instance;

    BuiltinCommandRegistry(Class c) {
        try {
            this.instance = c.getDeclaredConstructor().newInstance();
        } catch (InstantiationException | IllegalAccessException | InvocationTargetException | NoSuchMethodException e) {
            throw new RuntimeException(e);
        }
    }

    public Command getCommand() {
        return instance;
    }
}