EDIT

    <!-- needed for JavaMailSender -->

    <dependency>

        <groupId>org.springframework</groupId>

        <artifactId>spring-context-support</artifactId>

    </dependency>

    <dependency>

      <groupId>javax.mail</groupId>

      <artifactId>mailapi</artifactId>

    </dependency>

    <dependency>

        <groupId>org.subethamail</groupId>

        <artifactId>subethasmtp</artifactId>

        <scope>test</scope>

    </dependency>    

    <!-- =========================== -->

/**

* Copyright (C) 2021 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.api.config;

import org.springframework.context.annotation.Import;

/**

 * Annotation to make sure the {@link AppConfigurationPropertiesConfig} is

 * already loaded for other configuration classes.

 *

 * @author a.kohlbecker

 * @since Sep 14, 2021

 */

@Import(AppConfigurationPropertiesConfig.class)

public @interface AppConfigurationProperties {

}

/**

* Copyright (C) 2021 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.api.config;

import org.springframework.context.annotation.Configuration;

import org.springframework.context.annotation.PropertySource;

import org.springframework.context.annotation.PropertySources;

/**

 * Centralizes the application configuration properties for all <code>@Configuration</code> beans.

 *

 * The default configuration in {@code classpath:/application.properties} can be overwritten

 * by {@code file:/${user.home}/.cdmLibrary/application-dev.properties} for development purposes.

 * For production environments it is recommended to use system properties instead.

 *

 * Mimics the spring boot auto-configuration capabilities to some very basic extend.

 *

 * Can be replaced once we are using spring boot.

 *

 * The property source file <code>application.properties</code> may be placed in

 * <code>src/test/resources</code> and <code>src/main/resources</code>

 *

 * @author a.kohlbecker

 * @since Sep 15, 2021

 */

@Configuration

@PropertySources({

    // classpath:/application.properties as first

    @PropertySource("classpath:/application.properties"),

    // allows application-dev.properties to override the default settings !!!

    @PropertySource(value="file:${user.home}/.cdmLibrary/application-dev.properties", ignoreResourceNotFound = true)

})

public class AppConfigurationPropertiesConfig {

}

/**

* Copyright (C) 2021 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.api.config;

import java.util.Properties;

import org.apache.log4j.Logger;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.core.env.Environment;

import org.springframework.mail.javamail.JavaMailSenderImpl;

/**

 * This class replaces the {@code org.springframework.boot.autoconfigure.mail.MailSenderAutoConfiguration} which can not

 * yet used in this project

 *

 * @author a.kohlbecker

 * @since Sep 14, 2021

 */

@Configuration

@AppConfigurationProperties

public class SendEmailConfigurer {

    private static final Logger logger = Logger.getLogger(SendEmailConfigurer.class);

    @Autowired

    Environment env;

    // conforms to spring boot config

    private static final String HOST = "mail.host";

    public static final String PORT = "mail.port";

    private static final String USERNAME = "mail.username";

    private static final String PASSWORD = "mail.password";

    public static final String FROM_ADDRESS = "mail.from-address";

    private static final String DEFAULT_ENCODING = "mail.default-encoding";

    private static final String[] SMTP_PROPERTY_KEYS = new String[] {"mail.smtp.auth", "mail.smtp.starttls.enable"};

    /**

     * Disables the configuration of the mail system

     * integration tests of the mail system are skipped if this property is set true

     */

    public static final String DISABLED = "mail.disabled";

    public static final String INT_TEST_SERVER = "mail.int-test-server";

    public SendEmailConfigurer() {

        System.out.print(1);

    }

    @Bean

    public JavaMailSenderImpl mailSender() {

        boolean disabled = false;

        try {

           disabled = Boolean.valueOf(env.getProperty(DISABLED));

        } catch (Exception e) {

            logger.error("Invalid  property '" + DISABLED + "=" + env.getProperty(DISABLED) + "' for JavaMailSenderImpl configuration");

        }

        if(disabled) {

            logger.warn("JavaMailSenderImpl configuration explictly disabled by property '" + DISABLED + "=true'");

            return null;

        } else {

            JavaMailSenderImpl sender = new JavaMailSenderImpl();

            applyProperties(sender);

            return sender;

        }

    }

    private void applyProperties(JavaMailSenderImpl sender) {

        sender.setHost(env.getProperty(HOST));

        if (env.getProperty(PORT) != null) {

            sender.setPort(Integer.parseInt(env.getProperty(PORT)));

        }

        if (env.getProperty(USERNAME) != null) {

            sender.setUsername(env.getProperty(USERNAME));

        }

        if (env.getProperty(PASSWORD) != null) {

        sender.setPassword(env.getProperty(PASSWORD));

        }

        // sender.setProtocol(this.properties.getProtocol());

        if (env.getProperty(DEFAULT_ENCODING) != null) {

            sender.setDefaultEncoding(env.getProperty(DEFAULT_ENCODING));

        }

        Properties smtpProperties = new Properties();

        for(String key : SMTP_PROPERTY_KEYS) {

            String value = env.getProperty(key);

            if(value != null) {

                smtpProperties.put(key, value);

            }

        }

        sender.setJavaMailProperties(smtpProperties);

    }

}

/**

* Copyright (C) 2021 EDIT

* European Distributed Institute of Taxonomy

* http://www.e-taxonomy.eu

*

* The contents of this file are subject to the Mozilla Public License Version 1.1

* See LICENSE.TXT at the top of this package for the full license terms.

*/

package eu.etaxonomy.cdm.api.service;

import static org.junit.Assert.assertEquals;

import java.io.FileNotFoundException;

import java.util.Objects;

import javax.mail.MessagingException;

import javax.mail.internet.MimeMessage;

import org.junit.Test;

import org.springframework.core.env.Environment;

import org.springframework.mail.SimpleMailMessage;

import org.springframework.mail.javamail.JavaMailSender;

import org.subethamail.wiser.Wiser;

import org.subethamail.wiser.WiserMessage;

import org.unitils.spring.annotation.SpringBeanByType;

import eu.etaxonomy.cdm.api.config.SendEmailConfigurer;

import eu.etaxonomy.cdm.test.integration.CdmIntegrationTest;

public class EmailSendTest extends CdmIntegrationTest {

    private static final String SUBJECT = "eu.etaxonomy.cdm.test.function.EmailSendTest";

    private static final String TO = "a.kohlbecker@bgbm.org";

    @SpringBeanByType

    private JavaMailSender emailSender;

    @SpringBeanByType

    private Environment env;

    @Test

    public void sendEmailTest() {

        String from = env.getProperty(SendEmailConfigurer.FROM_ADDRESS);

        boolean useWiser = Objects.equals(env.getProperty(SendEmailConfigurer.INT_TEST_SERVER), "wiser");

        Wiser wiser = null;

        if(useWiser) {

            // start test smtp server

            wiser = new Wiser();

            wiser.setPort(2500); // Default is 25

            wiser.start();

        }

        boolean disabled = false;

        try {

           disabled = Boolean.valueOf(env.getProperty(SendEmailConfigurer.DISABLED));

        } catch (Exception e) {

            // ignore all

        }

        if(!disabled) {

            SimpleMailMessage message = new SimpleMailMessage();

            message.setFrom(from);

            message.setTo(TO);

            message.setSubject(SUBJECT);

            message.setText("This is a test email send from the cdmlib intergration test suite");

            emailSender.send(message);

        }

        if(useWiser) {

            for (WiserMessage message : wiser.getMessages())

            {

                String envelopeSender = message.getEnvelopeSender();

                String envelopeReceiver = message.getEnvelopeReceiver();

                String subject = null;

                assertEquals(from, envelopeSender);

                assertEquals(TO, envelopeReceiver);

                try {

                    MimeMessage mess = message.getMimeMessage();

                    subject  = mess.getSubject();

                } catch (MessagingException e) {

                    logger.error("MessagingException", e);

                }

                assertEquals(SUBJECT, subject);

            }

            wiser.stop();

        }

    }

    @Override

    public void createTestDataSet() throws FileNotFoundException {

        // no data needed

    }

}

# ======================================================

# = MAIL configuration for the local SMPT server Wiser

#   see eu.etaxonomy.cdm.api.service.EmailSendTest

# ======================================================

mail.default-encoding: UTF-8

mail.host: localhost

mail.from-address: test-mail@bgbm.org

#mail.username: test-mail@bgbm.org

#mail.password: lsdjfoianef

mail.port: 2500

# JavaMailProperties

#mail.smtp.auth: true

#mail.smtp.starttls.enable: true

# this properties allows for disabling the mail agent

mail.disabled: false 

      <dependency>

        <!-- used in cdmlib-services for the EmailSendTest -->

        <groupId>org.subethamail</groupId>

        <artifactId>subethasmtp</artifactId>

        <version>3.1.7</version>

        <scope>test</scope>

      </dependency>    

      <!-- Email functionality (used in cdmlib-services) -->

      <dependency>

        <groupId>javax.mail</groupId>

        <artifactId>mailapi</artifactId>

        <version>1.4.3</version>

      </dependency>