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upgrade email article, move to spring-mvc-simple

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This commit is contained in:
Loredana Crusoveanu 2018-07-08 18:20:23 +03:00
parent e78ca7c830
commit 4ff269f589
10 changed files with 426 additions and 2 deletions
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1
spring-mvc-simple/README.md
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@ -5,3 +5,4 @@
- [Spring 5 and Servlet 4 – The PushBuilder](http://www.baeldung.com/spring-5-push)
- [Servlet Redirect vs Forward](http://www.baeldung.com/servlet-redirect-forward)
- [Apache Tiles Integration with Spring MVC](http://www.baeldung.com/spring-mvc-apache-tiles)
- [Guide to Spring Email](http://www.baeldung.com/spring-email)

11
spring-mvc-simple/pom.xml
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@ -20,6 +20,15 @@
<artifactId>spring-oxm</artifactId>
<version>${spring-oxm.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
</dependency>
<dependency>
<groupId>com.sun.mail</groupId>
<artifactId>javax.mail</artifactId>
<version>1.6.1</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
@ -171,7 +180,7 @@
<jstl.version>1.2</jstl.version>
<javax.servlet.jsp-api.version>2.3.2-b02</javax.servlet.jsp-api.version>
<javax.servlet-api.version>4.0.0</javax.servlet-api.version>
<hibernate-validator.version>5.4.1.Final</hibernate-validator.version>
<hibernate-validator.version>6.0.10.Final</hibernate-validator.version>
<deploy-path>enter-location-of-server</deploy-path>
<fileupload.version>1.3.2</fileupload.version>
<java.version>1.8</java.version>

31
spring-mvc-simple/src/main/java/com/baeldung/spring/configuration/ApplicationConfiguration.java
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@ -8,6 +8,9 @@ import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.StringHttpMessageConverter;
import org.springframework.http.converter.feed.RssChannelHttpMessageConverter;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.web.accept.ContentNegotiationManager;
import org.springframework.web.multipart.MultipartResolver;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
@ -20,10 +23,11 @@ import org.springframework.web.servlet.view.InternalResourceViewResolver;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
@Configuration
@EnableWebMvc
@ComponentScan(basePackages = { "com.baeldung.springmvcforms", "com.baeldung.spring.controller", "com.baeldung.spring.validator" })
@ComponentScan(basePackages = { "com.baeldung.springmvcforms", "com.baeldung.spring.controller", "com.baeldung.spring.validator", "com.baeldung.spring.mail" })
public class ApplicationConfiguration implements WebMvcConfigurer {
@Override
@ -60,4 +64,29 @@ public class ApplicationConfiguration implements WebMvcConfigurer {
converters.add(new RssChannelHttpMessageConverter());
converters.add(new JsonChannelHttpMessageConverter());
}
@Bean
public SimpleMailMessage templateSimpleMessage() {
SimpleMailMessage message = new SimpleMailMessage();
message.setText("This is the test email template for your email:\n%s\n");
return message;
}
@Bean
public JavaMailSender getJavaMailSender() {
JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
mailSender.setHost("smtp.gmail.com");
mailSender.setPort(587);
mailSender.setUsername("my.gmail@gmail.com");
mailSender.setPassword("password");
Properties props = mailSender.getJavaMailProperties();
props.put("mail.transport.protocol", "smtp");
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.debug", "true");
return mailSender;
}
}

132
spring-mvc-simple/src/main/java/com/baeldung/spring/controller/MailController.java Normal file
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@ -0,0 +1,132 @@
package com.baeldung.spring.controller;
import com.baeldung.spring.mail.EmailServiceImpl;
import com.baeldung.spring.domain.MailObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.Errors;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
@Controller
@RequestMapping("/mail")
public class MailController {
@Autowired
public EmailServiceImpl emailService;
@Value("${attachment.invoice}")
private String attachmentPath;
@Autowired
public SimpleMailMessage template;
private static final Map<String, Map<String, String>> labels;
static {
labels = new HashMap<>();
//Simple email
Map<String, String> props = new HashMap<>();
props.put("headerText", "Send Simple Email");
props.put("messageLabel", "Message");
props.put("additionalInfo", "");
labels.put("send", props);
//Email with template
props = new HashMap<>();
props.put("headerText", "Send Email Using Template");
props.put("messageLabel", "Template Parameter");
props.put("additionalInfo",
"The parameter value will be added to the following message template:<br>" +
"<b>This is the test email template for your email:<br>'Template Parameter'</b>"
);
labels.put("sendTemplate", props);
//Email with attachment
props = new HashMap<>();
props.put("headerText", "Send Email With Attachment");
props.put("messageLabel", "Message");
props.put("additionalInfo", "To make sure that you send an attachment with this email, change the value for the 'attachment.invoice' in the application.properties file to the path to the attachment.");
labels.put("sendAttachment", props);
}
@RequestMapping(method = RequestMethod.GET)
public String showEmailsPage() {
return "emails";
}
@RequestMapping(value = {"/send", "/sendTemplate", "/sendAttachment"}, method = RequestMethod.GET)
public String createMail(Model model,
HttpServletRequest request) {
String action = request.getRequestURL().substring(
request.getRequestURL().lastIndexOf("/") + 1
);
Map<String, String> props = labels.get(action);
Set<String> keys = props.keySet();
Iterator<String> iterator = keys.iterator();
while (iterator.hasNext()) {
String key = iterator.next();
model.addAttribute(key, props.get(key));
}
model.addAttribute("mailObject", new MailObject());
return "mail/send";
}
@RequestMapping(value = "/send", method = RequestMethod.POST)
public String createMail(Model model,
@ModelAttribute("mailObject") @Valid MailObject mailObject,
Errors errors) {
if (errors.hasErrors()) {
return "mail/send";
}
emailService.sendSimpleMessage(mailObject.getTo(),
mailObject.getSubject(), mailObject.getText());
return "redirect:/home";
}
@RequestMapping(value = "/sendTemplate", method = RequestMethod.POST)
public String createMailWithTemplate(Model model,
@ModelAttribute("mailObject") @Valid MailObject mailObject,
Errors errors) {
if (errors.hasErrors()) {
return "mail/send";
}
emailService.sendSimpleMessageUsingTemplate(mailObject.getTo(),
mailObject.getSubject(),
template,
mailObject.getText());
return "redirect:/home";
}
@RequestMapping(value = "/sendAttachment", method = RequestMethod.POST)
public String createMailWithAttachment(Model model,
@ModelAttribute("mailObject") @Valid MailObject mailObject,
Errors errors) {
if (errors.hasErrors()) {
return "mail/send";
}
emailService.sendMessageWithAttachment(
mailObject.getTo(),
mailObject.getSubject(),
mailObject.getText(),
attachmentPath
);
return "redirect:/home";
}
}

41
spring-mvc-simple/src/main/java/com/baeldung/spring/domain/MailObject.java Normal file
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@ -0,0 +1,41 @@
package com.baeldung.spring.domain;
import javax.validation.constraints.Email;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;
/**
* Created by Olga on 7/20/2016.
*/
public class MailObject {
@Email
@NotNull
@Size(min = 1, message = "Please, set an email address to send the message to it")
private String to;
private String subject;
private String text;
public String getTo() {
return to;
}
public void setTo(String to) {
this.to = to;
}
public String getSubject() {
return subject;
}
public void setSubject(String subject) {
this.subject = subject;
}
public String getText() {
return text;
}
public void setText(String text) {
this.text = text;
}
}

20
spring-mvc-simple/src/main/java/com/baeldung/spring/mail/EmailService.java Normal file
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@ -0,0 +1,20 @@
package com.baeldung.spring.mail;
import org.springframework.mail.SimpleMailMessage;
/**
* Created by Olga on 8/22/2016.
*/
public interface EmailService {
void sendSimpleMessage(String to,
String subject,
String text);
void sendSimpleMessageUsingTemplate(String to,
String subject,
SimpleMailMessage template,
String ...templateArgs);
void sendMessageWithAttachment(String to,
String subject,
String text,
String pathToAttachment);
}

69
spring-mvc-simple/src/main/java/com/baeldung/spring/mail/EmailServiceImpl.java Normal file
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@ -0,0 +1,69 @@
package com.baeldung.spring.mail;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.MailException;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Component;
import java.io.File;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
/**
* Created by Olga on 7/15/2016.
*/
@Component
public class EmailServiceImpl implements EmailService {
@Autowired
public JavaMailSender emailSender;
public void sendSimpleMessage(String to, String subject, String text) {
try {
SimpleMailMessage message = new SimpleMailMessage();
message.setTo(to);
message.setSubject(subject);
message.setText(text);
emailSender.send(message);
} catch (MailException exception) {
exception.printStackTrace();
}
}
@Override
public void sendSimpleMessageUsingTemplate(String to,
String subject,
SimpleMailMessage template,
String ...templateArgs) {
String text = String.format(template.getText(), templateArgs);
sendSimpleMessage(to, subject, text);
}
@Override
public void sendMessageWithAttachment(String to,
String subject,
String text,
String pathToAttachment) {
try {
MimeMessage message = emailSender.createMimeMessage();
// pass 'true' to the constructor to create a multipart message
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setTo(to);
helper.setSubject(subject);
helper.setText(text);
FileSystemResource file = new FileSystemResource(new File(pathToAttachment));
helper.addAttachment("Invoice", file);
emailSender.send(message);
} catch (MessagingException e) {
e.printStackTrace();
}
}
}

22
spring-mvc-simple/src/main/resources/application.properties Normal file
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@ -0,0 +1,22 @@
#this property file will have to be loaded explicitly as this is not a Spring Boot project
# Gmail SMTP
spring.mail.host=smtp.gmail.com
spring.mail.port=587
spring.mail.username=username
spring.mail.password=password
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
# Amazon SES SMTP
#spring.mail.host=email-smtp.us-west-2.amazonaws.com
#spring.mail.username=username
#spring.mail.password=password
#spring.mail.properties.mail.transport.protocol=smtp
#spring.mail.properties.mail.smtp.port=25
#spring.mail.properties.mail.smtp.auth=true
#spring.mail.properties.mail.smtp.starttls.enable=true
#spring.mail.properties.mail.smtp.starttls.required=true
# path to attachment file
attachment.invoice=path_to_file

43
spring-mvc-simple/src/main/webapp/WEB-INF/views/emails.jsp Normal file
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@ -0,0 +1,43 @@
<%--
Created by IntelliJ IDEA.
User: Olga
Date: 1/19/16
Time: 3:53 PM
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="sf" uri="http://www.springframework.org/tags/form" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
<title>Home Page</title>
</head>
<body>
<div>
<div>
<h4>Select any of the options below to send sample email:</h4>
<form method="get" style="width: 200px;">
<fieldset style="border: none; padding-left: 0px; padding-top: 0px">
<table>
<tr>
<td>
<input type="submit" formaction="mail/send" value="Send Simple Email">
</td>
</tr>
<tr>
<td>
<input type="submit" formaction="mail/sendTemplate" value="Send Email Using Template">
</td>
</tr>
<tr>
<td>
<input type="submit" formaction="mail/sendAttachment" value="Send Email With Attachment">
</td>
</tr>
</table>
</fieldset>
</form>
</div>
</div>
</body>
</html>

58
spring-mvc-simple/src/main/webapp/WEB-INF/views/mail/send.jsp Normal file
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@ -0,0 +1,58 @@
<%--
Created by IntelliJ IDEA.
User: Olga
Date: 7/20/2016
Time: 1:47 PM
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<html>
<head>
<title>Send Email</title>
</head>
<body>
<div>
<h3>${headerText}</h3>
<form:form method="POST" modelAttribute="mailObject" >
<fieldset>
<div style="float:left;">
<table cellspacing="0" width="300">
<tr>
<th><label for="input_to">To</label></th>
<td><form:input path="to" id="input_to" type="email"/>
<small>Enter email address</small><br/>
<form:errors path="to" cssStyle="color:red;font-size:small"/>
</td>
</tr>
<tr>
<th><label for="input_subject">Subject</label></th>
<td><form:input path="subject" id="input_subject"/>
<small>Enter the subject</small><br/>
<form:errors path="subject" cssStyle="color:red;font-size:small"/>
</td>
</tr>
<tr>
<th><label for="input_text">${messageLabel}:</label></th>
<td><form:textarea path="text"
rows="5" cols="50"
id="input_text"/>
<form:errors path="text" cssStyle="color:red;font-size:small"/>
</td>
</tr>
<tr>
<th></th>
<td>
<input type="submit" value="Send">
</td>
</tr>
</table>
</div>
<div style="float:left; word-wrap: break-word; margin-left: 50px; width: 400px; color: grey">
${additionalInfo}
</div>
</fieldset>
</form:form>
</div>
</body>
</html>