BAEL-4436 : move template dir to main/resources (#10100)

+ configure location from application.properties

spring-mvc-basics-2/src/main/java/com/baeldung/spring/configuration/EmailConfiguration.java

@@ -1,37 +1,61 @@
 package com.baeldung.spring.configuration;
 
+import freemarker.cache.ClassTemplateLoader;
+import freemarker.cache.TemplateLoader;
+import freemarker.template.Configuration;
 import java.util.Properties;
-
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
 import org.springframework.context.support.ResourceBundleMessageSource;
 import org.springframework.mail.SimpleMailMessage;
 import org.springframework.mail.javamail.JavaMailSender;
 import org.springframework.mail.javamail.JavaMailSenderImpl;
 import org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer;
-import org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver;
 import org.thymeleaf.spring5.SpringTemplateEngine;
-import org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver;
+import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver;
+import org.thymeleaf.templateresolver.ITemplateResolver;
 
-@Configuration
 @ComponentScan(basePackages = { "com.baeldung.spring.mail" })
+@PropertySource(value={"classpath:application.properties"})
 public class EmailConfiguration {
+
+    @Value("${spring.mail.host}")
+    private String mailServerHost;
+
+    @Value("${spring.mail.port}")
+    private Integer mailServerPort;
+
+    @Value("${spring.mail.username}")
+    private String mailServerUsername;
+
+    @Value("${spring.mail.password}")
+    private String mailServerPassword;
+
+    @Value("${spring.mail.properties.mail.smtp.auth}")
+    private String mailServerAuth;
+
+    @Value("${spring.mail.properties.mail.smtp.starttls.enable}")
+    private String mailServerStartTls;
+
+    @Value("${spring.mail.templates.path}")
+    private String mailTemplatesPath;
     
     @Bean
     public JavaMailSender getJavaMailSender() {
         JavaMailSenderImpl mailSender = new JavaMailSenderImpl();
         
-        mailSender.setHost("smtp.gmail.com");
-        mailSender.setPort(587);
+        mailSender.setHost(mailServerHost);
+        mailSender.setPort(mailServerPort);
         
-        mailSender.setUsername("my.gmail@gmail.com");
-        mailSender.setPassword("password");
+        mailSender.setUsername(mailServerUsername);
+        mailSender.setPassword(mailServerPassword);
         
         Properties props = mailSender.getJavaMailProperties();
         props.put("mail.transport.protocol", "smtp");
-        props.put("mail.smtp.auth", "true");
-        props.put("mail.smtp.starttls.enable", "false");
+        props.put("mail.smtp.auth", mailServerAuth);
+        props.put("mail.smtp.starttls.enable", mailServerStartTls);
         props.put("mail.debug", "true");
         
         return mailSender;
@@ -45,39 +69,52 @@ public class EmailConfiguration {
     }
     
     @Bean
-    public SpringTemplateEngine thymeleafTemplateEngine() {
+    public SpringTemplateEngine thymeleafTemplateEngine(ITemplateResolver templateResolver) {
         SpringTemplateEngine templateEngine = new SpringTemplateEngine();
-        templateEngine.setTemplateResolver(thymeleafTemplateResolver());
+        templateEngine.setTemplateResolver(templateResolver);
         templateEngine.setTemplateEngineMessageSource(emailMessageSource());
         return templateEngine;
     }
 
     @Bean
-    public SpringResourceTemplateResolver thymeleafTemplateResolver() {
-        SpringResourceTemplateResolver templateResolver = new SpringResourceTemplateResolver();
-        templateResolver.setPrefix("/WEB-INF/views/mail/");
+    public ITemplateResolver thymeleafClassLoaderTemplateResolver() {
+        ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
+        templateResolver.setPrefix(mailTemplatesPath + "/");
         templateResolver.setSuffix(".html");
         templateResolver.setTemplateMode("HTML");
         templateResolver.setCharacterEncoding("UTF-8");
         return templateResolver;
     }
+
+//    @Bean
+//    public ITemplateResolver thymeleafFilesystemTemplateResolver() {
+//        FileTemplateResolver templateResolver = new FileTemplateResolver();
+//        templateResolver.setPrefix(mailTemplatesPath + "/");
+//        templateResolver.setSuffix(".html");
+//        templateResolver.setTemplateMode("HTML");
+//        templateResolver.setCharacterEncoding("UTF-8");
+//        return templateResolver;
+//    }
     
     @Bean 
-    public FreeMarkerConfigurer freemarkerConfig() { 
-        FreeMarkerConfigurer freeMarkerConfigurer = new FreeMarkerConfigurer(); 
-        freeMarkerConfigurer.setTemplateLoaderPath("/WEB-INF/views/mail");
+    public FreeMarkerConfigurer freemarkerClassLoaderConfig() {
+        Configuration configuration = new Configuration(Configuration.VERSION_2_3_27);
+        TemplateLoader templateLoader = new ClassTemplateLoader(this.getClass(), "/" + mailTemplatesPath);
+        configuration.setTemplateLoader(templateLoader);
+        FreeMarkerConfigurer freeMarkerConfigurer = new FreeMarkerConfigurer();
+        freeMarkerConfigurer.setConfiguration(configuration);
         return freeMarkerConfigurer; 
     }
     
-    @Bean 
-    public FreeMarkerViewResolver freemarkerViewResolver() { 
-        FreeMarkerViewResolver resolver = new FreeMarkerViewResolver(); 
-        resolver.setCache(true); 
-        resolver.setPrefix(""); 
-        resolver.setSuffix(".ftl"); 
-        return resolver; 
-    }
-
+//    @Bean 
+//    public FreeMarkerConfigurer freemarkerFilesystemConfig() throws IOException {
+//        Configuration configuration = new Configuration(Configuration.VERSION_2_3_27);
+//        TemplateLoader templateLoader = new FileTemplateLoader(new File(mailTemplatesPath));
+//        configuration.setTemplateLoader(templateLoader);
+//        FreeMarkerConfigurer freeMarkerConfigurer = new FreeMarkerConfigurer();
+//        freeMarkerConfigurer.setConfiguration(configuration);
+//        return freeMarkerConfigurer; 
+//    }
     
     @Bean
     public ResourceBundleMessageSource emailMessageSource() {

spring-mvc-basics-2/src/main/java/com/baeldung/spring/mail/EmailServiceImpl.java

@@ -112,7 +112,7 @@ public class EmailServiceImpl implements EmailService {
         String to, String subject, Map<String, Object> templateModel)
             throws IOException, TemplateException, MessagingException {
 
-        Template freemarkerTemplate = freemarkerConfigurer.createConfiguration().getTemplate("template-freemarker.ftl");
+        Template freemarkerTemplate = freemarkerConfigurer.getConfiguration().getTemplate("template-freemarker.ftl");
         String htmlBody = FreeMarkerTemplateUtils.processTemplateIntoString(freemarkerTemplate, templateModel);
 
         sendHtmlMessage(to, subject, htmlBody);

spring-mvc-basics-2/src/main/resources/application.properties

@@ -6,7 +6,7 @@ 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
+spring.mail.properties.mail.smtp.starttls.enable=false
 
 # Amazon SES SMTP
 #spring.mail.host=email-smtp.us-west-2.amazonaws.com
@@ -19,4 +19,14 @@ 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
+attachment.invoice=path_to_file
+
+
+#
+# Mail templates
+#
+
+# Templates directory inside main/resources or absolute filesystem path 
+spring.mail.templates.path=mail-templates
+#spring.mail.templates.path=/path/to/templates
+