org.nlab.smtp.transport.strategy.ConnectionStrategyFactory Maven / Gradle / Ivy

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SMTP Connection Pool which uses JavaMail and Apache Common Pool
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package org.nlab.smtp.transport.strategy;

import jakarta.mail.MessagingException;
import jakarta.mail.Transport;

/**
 * {@link Transport} supports actually 4 types of connections which are handled by this connection strategy factory
 * 
 * {@link Transport#connect()} => {@link  #newConnectionStrategy()} 
 * {@link Transport#connect(String, String)} ()} => {@link  #newConnectionStrategy(String, String)} 
 * {@link Transport#connect(String, String, String)} ()} => {@link  #newConnectionStrategy(String, String, String)} 
 * {@link Transport#connect(String, int, String, String)} ()} => {@link  #newConnectionStrategy(String, int, String, String)} 
 * 
 * 
 * Created by nlabrot on 04/06/15.
 */
public class ConnectionStrategyFactory {


    public static ConnectionStrategy newConnectionStrategy() {
        return new ConnectionStrategy() {
            @Override
            public void connect(Transport transport) throws MessagingException {
                transport.connect();
            }
        };
    }

    public static ConnectionStrategy newConnectionStrategy(final String username, final String password) {
        return new ConnectionStrategy() {
            @Override
            public void connect(Transport transport) throws MessagingException {
                transport.connect(username, password);
            }

            @Override
            public String toString() {
                return "ConnectionStrategy{" +
                        "username=" + username +
                        '}';
            }

        };
    }

    public static ConnectionStrategy newConnectionStrategy(final String host, final String username, final String password) {
        return new ConnectionStrategy() {
            @Override
            public void connect(Transport transport) throws MessagingException {
                transport.connect(host, username, password);
            }

            @Override
            public String toString() {
                return "ConnectionStrategy{" +
                        "host=" + host +
                        ", username=" + username +
                        '}';
            }
        };
    }

    public static ConnectionStrategy newConnectionStrategy(final String host, final int port, final String username, final String password) {
        return new ConnectionStrategy() {
            @Override
            public void connect(Transport transport) throws MessagingException {
                transport.connect(host, port, username, password);
            }

            @Override
            public String toString() {
                return "ConnectionStrategy{" +
                        "host=" + host +
                        ", port=" + port +
                        ", username=" + username +
                        '}';
            }
        };
    }
}