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BAEL-8033: Getting Started with Compile-Time Templates With Spring (#19105)
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‎spring-web-modules/pom.xml‎

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<modules>
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<module>spring-5-mvc</module>
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<module>spring-freemarker</module>
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<module>spring-java-templates</module>
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<module>spring-mvc-basics</module>
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<module>spring-mvc-basics-2</module>
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<module>spring-mvc-basics-3</module>
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</plugins>
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</build>
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</project>
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</project>

‎spring-web-modules/spring-java-templates/jstachio/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-java-templates-jstachio</artifactId>
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<name>spring-java.templates.jstachio</name>
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<packaging>jar</packaging>
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<description>Spring Java Templates Module - JStachio</description>
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<parent>
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<groupId>com.baeldung.web</groupId>
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<artifactId>spring-java-templates</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<!-- JStachio -->
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<dependency>
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<groupId>io.jstach</groupId>
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<artifactId>jstachio</artifactId>
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<version>${jstachio.version}</version>
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</dependency>
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<dependency>
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<groupId>io.jstach</groupId>
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<artifactId>jstachio-spring-boot-starter-webmvc</artifactId>
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<version>${jstachio.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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<plugin>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<compilerArgs>
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<arg>-parameters</arg>
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</compilerArgs>
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<annotationProcessorPaths>
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<path>
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<groupId>io.jstach</groupId>
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<artifactId>jstachio-apt</artifactId>
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<version>${jstachio.version}</version>
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</path>
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</annotationProcessorPaths>
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</configuration>
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</plugin>
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</plugins>
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</build>
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<properties>
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<start-class>com.baeldung.templates.SpringJavaTemplatesApplication</start-class>
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<spring-boot.version>3.5.7</spring-boot.version>
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<logback.version>1.5.17</logback.version>
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<java.version>21</java.version>
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<jstachio.version>1.3.7</jstachio.version>
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</properties>
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</project>
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‎spring-web-modules/spring-java-templates/jstachio/src/main/java/com/baeldung/templates/JStachioController.java‎

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package com.baeldung.templates;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.servlet.View;
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import io.jstach.opt.spring.webmvc.JStachioModelView;
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@Controller
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public class JStachioController {
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@GetMapping("/jstachio")
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public View get() {
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return JStachioModelView.of(new JStachioModel("JStachio"));
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}
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}

‎spring-web-modules/spring-java-templates/jstachio/src/main/java/com/baeldung/templates/JStachioModel.java‎

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package com.baeldung.templates;
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import io.jstach.jstache.JStache;
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@JStache(path = "templates/jstachio/jstachio.mustache")
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public record JStachioModel(String name) {
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}

‎spring-web-modules/spring-java-templates/jstachio/src/main/java/com/baeldung/templates/SpringJavaTemplatesApplication.java‎

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package com.baeldung.templates;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@SpringBootApplication
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public class SpringJavaTemplatesApplication {
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public static void main(String[] args) {
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SpringApplication.run(SpringJavaTemplatesApplication.class, args);
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}
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}
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‎spring-web-modules/spring-java-templates/jstachio/src/main/resources/templates/jstachio/jstachio.mustache‎

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<html>
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<body>
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Hello, {{name}}!
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</body>
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</html>

‎spring-web-modules/spring-java-templates/jstachio/src/test/java/com/baeldung/templates/JStachioUnitTest.java‎

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package com.baeldung.templates;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import org.junit.jupiter.api.Test;
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class JStachioUnitTest {
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@Test
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void whenRenderingJStachio_thenTheOutputIsCorrect() {
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JStachioModel model = new JStachioModel("Baeldung");
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StringBuilder sb = new StringBuilder();
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JStachioModelRenderer.of().execute(model, sb);
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assertEquals("""
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<html>
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<body>
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Hello, Baeldung!
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</body>
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</html>
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""", sb.toString());
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}
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}

‎spring-web-modules/spring-java-templates/jte/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>spring-java-templates-jte</artifactId>
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<name>spring-java.templates.jte</name>
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<packaging>jar</packaging>
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<description>Spring Java Templates Module - JTE</description>
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<parent>
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<groupId>com.baeldung.web</groupId>
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<artifactId>spring-java-templates</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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</parent>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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<!-- JTE -->
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<dependency>
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<groupId>gg.jte</groupId>
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<artifactId>jte</artifactId>
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<version>${jte.version}</version>
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</dependency>
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<dependency>
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<groupId>gg.jte</groupId>
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<artifactId>jte-spring-boot-starter-3</artifactId>
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<version>${jte.version}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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<plugin>
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<groupId>gg.jte</groupId>
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<artifactId>jte-maven-plugin</artifactId>
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<version>${jte.version}</version>
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<configuration>
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<sourceDirectory>${basedir}/src/main/resources/templates/jte</sourceDirectory>
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<targetDirectory>${basedir}/target/jte</targetDirectory>
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<contentType>Html</contentType>
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</configuration>
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<executions>
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<execution>
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<phase>generate-sources</phase>
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<goals>
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<goal>generate</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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<properties>
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<start-class>com.baeldung.templates.SpringJavaTemplatesApplication</start-class>
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<spring-boot.version>3.5.7</spring-boot.version>
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<logback.version>1.5.17</logback.version>
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<java.version>21</java.version>
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<jte.version>3.2.1</jte.version>
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</properties>
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</project>
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‎spring-web-modules/spring-java-templates/jte/src/main/java/com/baeldung/templates/JteController.java‎

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package com.baeldung.templates;
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import java.util.Map;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.GetMapping;
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@Controller
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public class JteController {
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@GetMapping("/jte")
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public String view(Model model) {
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model.addAttribute("model", new JteModel("JTE"));
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return "JteDemo";
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}
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}

‎spring-web-modules/spring-java-templates/jte/src/main/java/com/baeldung/templates/JteModel.java‎

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package com.baeldung.templates;
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public record JteModel(String name) {
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}

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