Initial commit

store-email-sender/pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>store-email-sender</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <parent>
+        <artifactId>hexagonal-architecture</artifactId>
+        <groupId>com.baeldung</groupId>
+        <version>1.0-SNAPSHOT</version>
+        <relativePath>../../hexagonal-architecture</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.baeldung</groupId>
+            <artifactId>store-core</artifactId>
+            <version>1.0-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.sun.mail</groupId>
+            <artifactId>javax.mail</artifactId>
+            <version>${javax.mail.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <version>${spring.context.version}</version>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <spring.context.version>5.1.5.RELEASE</spring.context.version>
+        <javax.mail.version>1.5.5</javax.mail.version>
+    </properties>
+
+</project>

store-email-sender/src/main/java/com/baeldung/hexogonal/store/emailsender/EmailSenderConfig.java

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+package com.baeldung.hexagonal.store.emailsender;
+
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@ComponentScan(basePackages = {"com.baeldung.hexagonal.store.emailsender"})
+public class EmailSenderConfig {
+}

store-email-sender/src/main/java/com/baeldung/hexogonal/store/emailsender/SMTPEmailSender.java

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+package com.baeldung.hexagonal.store.emailsender;
+
+import com.baeldung.hexagonal.store.core.context.order.infrastructure.EmailNotificationSender;
+import org.springframework.stereotype.Component;
+
+import javax.mail.Message;
+import javax.mail.MessagingException;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+import java.util.Properties;
+
+@Component
+public class SMTPEmailSender implements EmailNotificationSender {
+
+    public static final String FROM_MAIL = "example@baeldung.com";
+
+    @Override
+    public void sendEmailMessage(String targetEmail, String subject, String body) {
+        try {
+            Session session = createSession();
+            MimeMessage message = new MimeMessage(session);
+            message.setContent(body, "text/html; charset=utf-8");
+            message.setFrom(new InternetAddress(FROM_MAIL));
+            message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(targetEmail));
+            message.setSubject(subject);
+            Transport.send(message);
+        } catch (MessagingException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private static Session createSession() {
+        Properties props = new Properties();
+        props.put("mail.smtp.auth", "true");
+        props.put("mail.smtp.starttls.enable", "true");
+        props.put("mail.smtp.host", "smtp.baeldung.com");
+        props.put("mail.smtp.port", "587");
+        return Session.getInstance(props);
+    }
+}