Spring Boot form contact

Author: giaunv

springboot-examples/springboot-freemarker-form-contact/.gitignore

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+target
+out
+.settings
+.classpath
+.project
+.idea
+*.iml

springboot-examples/springboot-freemarker-form-contact/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+    <groupId>com.hellokoding.springboot</groupId>
+    <artifactId>freemarker.form.contact</artifactId>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.1.4.RELEASE</version>
+    </parent>
+
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-freemarker</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.sun.mail</groupId>
+            <artifactId>javax.mail</artifactId>
+            <version>1.6.0</version>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>

springboot-examples/springboot-freemarker-form-contact/src/main/java/com/hellokoding/form/WebApplication.java

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+package com.hellokoding.form;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class WebApplication {
+    public static void main(String[] args) throws Exception {
+        SpringApplication.run(WebApplication.class, args);
+    }
+}

springboot-examples/springboot-freemarker-form-contact/src/main/java/com/hellokoding/form/model/MailProperties.java

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+package com.hellokoding.form.model;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+@Component
+@ConfigurationProperties(prefix = "mail")
+public class MailProperties {
+    public static class SMTP {
+        String host;
+        String port;
+        String username;
+        String password;
+
+        public String getHost() {
+            return host;
+        }
+
+        public void setHost(String host) {
+            this.host = host;
+        }
+
+        public String getPort() {
+            return port;
+        }
+
+        public void setPort(String port) {
+            this.port = port;
+        }
+
+        public String getUsername() {
+            return username;
+        }
+
+        public void setUsername(String username) {
+            this.username = username;
+        }
+
+        public String getPassword() {
+            return password;
+        }
+
+        public void setPassword(String password) {
+            this.password = password;
+        }
+    }
+
+    private SMTP smtp;
+    private String from;
+    private String fromName;
+    private String to;
+
+    public SMTP getSmtp() {
+        return smtp;
+    }
+
+    public void setSmtp(SMTP smtp) {
+        this.smtp = smtp;
+    }
+
+    public String getFrom() {
+        return from;
+    }
+
+    public void setFrom(String from) {
+        this.from = from;
+    }
+
+    public String getTo() {
+        return to;
+    }
+
+    public void setTo(String to) {
+        this.to = to;
+    }
+
+    public String getFromName() {
+        return fromName;
+    }
+
+    public void setFromName(String fromName) {
+        this.fromName = fromName;
+    }
+}

springboot-examples/springboot-freemarker-form-contact/src/main/java/com/hellokoding/form/model/User.java

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+package com.hellokoding.form.model;
+
+import javax.validation.constraints.Email;
+import javax.validation.constraints.NotEmpty;
+
+public class User {
+    @NotEmpty
+    private String name;
+
+    @NotEmpty
+    private String message;
+
+    @NotEmpty
+    @Email
+    private String email;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+}

springboot-examples/springboot-freemarker-form-contact/src/main/java/com/hellokoding/form/service/SESService.java

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+package com.hellokoding.form.service;
+
+import com.hellokoding.form.model.MailProperties;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import javax.mail.Message;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+import java.util.Properties;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+@Service
+public class SESService implements SendingMailService {
+    private final MailProperties mailProperties;
+
+    @Autowired
+    SESService(MailProperties mailProperties){
+        this.mailProperties = mailProperties;
+    }
+
+    public boolean sendMail(String subject, String body) {
+        try {
+            Properties props = System.getProperties();
+            props.put("mail.transport.protocol", "smtp");
+            props.put("mail.smtp.port", mailProperties.getSmtp().getPort());
+            props.put("mail.smtp.starttls.enable", "true");
+            props.put("mail.smtp.auth", "true");
+
+            Session session = Session.getDefaultInstance(props);
+
+            MimeMessage msg = new MimeMessage(session);
+            msg.setFrom(new InternetAddress(mailProperties.getFrom(), mailProperties.getFromName()));
+            msg.setRecipient(Message.RecipientType.TO, new InternetAddress(mailProperties.getTo()));
+            msg.setSubject(subject);
+            msg.setContent(body, "text/html");
+
+            Transport transport = session.getTransport();
+            transport.connect(mailProperties.getSmtp().getHost(), mailProperties.getSmtp().getUsername(), mailProperties.getSmtp().getPassword());
+            transport.sendMessage(msg, msg.getAllRecipients());
+            return true;
+        } catch (Exception ex) {
+            Logger.getLogger(this.getClass().getName()).log(Level.SEVERE, ex.getMessage(), ex);
+        }
+
+        return false;
+    }
+}

springboot-examples/springboot-freemarker-form-contact/src/main/java/com/hellokoding/form/service/SendingMailService.java

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+package com.hellokoding.form.service;
+
+public interface SendingMailService {
+    boolean sendMail(String subject, String body);
+}

springboot-examples/springboot-freemarker-form-contact/src/main/java/com/hellokoding/form/web/FormController.java

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+package com.hellokoding.form.web;
+
+import com.hellokoding.form.model.User;
+import com.hellokoding.form.service.SendingMailService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import javax.validation.Valid;
+
+@Controller
+public class FormController {
+    @Autowired
+    SendingMailService sendingMailService;
+
+    @GetMapping("/")
+    public String index() {
+        return "redirect:/form";
+    }
+
+    @GetMapping("/form")
+    public String formGet(Model model) {
+        model.addAttribute("user", new User());
+        return "form";
+    }
+
+    @PostMapping("/form")
+    public String formPost(@Valid User user, BindingResult bindingResult, Model model) {
+        if (bindingResult.hasErrors()) {
+            return "form";
+        }
+
+        model.addAttribute("noErrors", true);
+        model.addAttribute("user", user);
+        String subject = user.getName() + " " + user.getEmail() + " sent you a message";
+        sendingMailService.sendMail(subject, user.getMessage());
+        return "form";
+    }
+}

springboot-examples/springboot-freemarker-form-contact/src/main/resources/application.properties

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+spring.freemarker.template-loader-path: classpath:/templates
+spring.freemarker.suffix: .ftl
+
+mail.smtp.host={YOUR_SES_SMTP_HOST}
+mail.smtp.port={YOUR_SES_SMTP_PORT}
+mail.smtp.username={YOUR_SES_SMTP_USERNAME}
+mail.smtp.password={YOUR_SES_SMTP_PASSWORD}
+mail.from={YOUR_FROM_EMAIL}
+mail.from-name={YOUR_FROM_NAME}
+mail.to={YOUR_TO_EMAIL}

springboot-examples/springboot-freemarker-form-contact/src/main/resources/static/css/main.css

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+h2 {
+  color: darkgreen;
+}
+
+form b {
+  color: red;
+}