[JAVA-28185] (#15367)

* [JAVA-28185] Moved code for article(Introduction to HtmlUnit) to spring-mvc-java-2

* [JAVA-28185] Moved code for article(Upload and Display Excel Files with Spring MVC) to spring-mvc-java-2

* [JAVA-28185] Clean up

* [JAVA-28185]

spring-web-modules/spring-mvc-java-2/README.md

@@ -5,3 +5,5 @@
 - [A Quick Guide to Spring MVC Matrix Variables](https://www.baeldung.com/spring-mvc-matrix-variables)
 - [Converting a Spring MultipartFile to a File](https://www.baeldung.com/spring-multipartfile-to-file)
 - [Testing a Spring Multipart POST Request](https://www.baeldung.com/spring-multipart-post-request-test)
+- [Introduction to HtmlUnit](https://www.baeldung.com/htmlunit)
+- [Upload and Display Excel Files with Spring MVC](https://www.baeldung.com/spring-mvc-excel-files)

spring-web-modules/spring-mvc-java-2/pom.xml

@@ -46,6 +46,57 @@
             <artifactId>commons-fileupload</artifactId>
             <version>${commons-fileupload.version}</version>
         </dependency>
+        <dependency>
+            <groupId>net.sourceforge.htmlunit</groupId>
+            <artifactId>htmlunit</artifactId>
+            <version>${htmlunit.version}</version>
+            <exclusions>
+                <exclusion>
+                    <artifactId>commons-logging</artifactId>
+                    <groupId>commons-logging</groupId>
+                </exclusion>
+                <exclusion>
+                    <groupId>commons-io</groupId>
+                    <artifactId>commons-io</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <!-- excel -->
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+            <version>${poi.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish</groupId>
+            <artifactId>javax.el</artifactId>
+            <version>${javax.el.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet.jsp</groupId>
+            <artifactId>javax.servlet.jsp-api</artifactId>
+            <version>${javax-servlet-api.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>jstl</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.tomcat.embed</groupId>
+            <artifactId>tomcat-embed-jasper</artifactId>
+            <scope>provided</scope>
+        </dependency>
+        <!-- Thymeleaf -->
+        <dependency>
+            <groupId>org.thymeleaf</groupId>
+            <artifactId>thymeleaf-spring4</artifactId>
+            <version>${thymeleaf.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.thymeleaf</groupId>
+            <artifactId>thymeleaf</artifactId>
+            <version>${thymeleaf.version}</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -63,6 +114,11 @@
         <spring.mvc.version>5.2.2.RELEASE</spring.mvc.version>
         <jaxb-runtime.version>2.3.5</jaxb-runtime.version>
         <commons-fileupload.version>1.5</commons-fileupload.version>
+        <htmlunit.version>2.32</htmlunit.version>
+        <poi.version>3.16-beta1</poi.version>
+        <javax.el.version>3.0.1-b09</javax.el.version>
+        <javax-servlet-api.version>2.3.3</javax-servlet-api.version>
+        <thymeleaf.version>3.0.9.RELEASE</thymeleaf.version>
     </properties>
 
 </project>

spring-web-modules/spring-mvc-java-2/src/main/java/com/baeldung/excel/ExcelController.java

@@ -1,18 +1,19 @@
-package com.baeldung.web.controller;
+package com.baeldung.excel;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.List;
+import java.util.Map;
+
+import javax.annotation.Resource;
 
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.multipart.MultipartFile;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import com.baeldung.excel.*;
-import java.util.Map;
-import java.util.List;
-import javax.annotation.Resource;
 
 @Controller
 public class ExcelController {

spring-web-modules/spring-mvc-java-2/src/main/java/com/baeldung/excel/ExcelPOIHelper.java

@@ -1,13 +1,14 @@
 package com.baeldung.excel;
 
-import org.apache.poi.ss.usermodel.Cell;
+import java.io.File;
-import org.apache.poi.xssf.usermodel.XSSFCell;
+import java.io.FileInputStream;
-import org.apache.poi.xssf.usermodel.XSSFCellStyle;
+import java.io.IOException;
-import org.apache.poi.xssf.usermodel.XSSFColor;
+import java.util.ArrayList;
-import org.apache.poi.xssf.usermodel.XSSFFont;
+import java.util.HashMap;
-import org.apache.poi.xssf.usermodel.XSSFRow;
+import java.util.List;
-import org.apache.poi.xssf.usermodel.XSSFSheet;
+import java.util.Map;
-import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import java.util.stream.IntStream;
+
 import org.apache.poi.hssf.usermodel.HSSFCell;
 import org.apache.poi.hssf.usermodel.HSSFCellStyle;
 import org.apache.poi.hssf.usermodel.HSSFFont;
@@ -15,16 +16,15 @@ import org.apache.poi.hssf.usermodel.HSSFRow;
 import org.apache.poi.hssf.usermodel.HSSFSheet;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
 import org.apache.poi.hssf.util.HSSFColor;
+import org.apache.poi.ss.usermodel.Cell;
 import org.apache.poi.ss.usermodel.DateUtil;
-
+import org.apache.poi.xssf.usermodel.XSSFCell;
-import java.io.File;
+import org.apache.poi.xssf.usermodel.XSSFCellStyle;
-import java.io.FileInputStream;
+import org.apache.poi.xssf.usermodel.XSSFColor;
-import java.io.IOException;
+import org.apache.poi.xssf.usermodel.XSSFFont;
-import java.util.Map;
+import org.apache.poi.xssf.usermodel.XSSFRow;
-import java.util.HashMap;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
-import java.util.ArrayList;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
-import java.util.List;
-import java.util.stream.IntStream;
 
 public class ExcelPOIHelper {
 

spring-web-modules/spring-mvc-java-2/src/main/java/com/baeldung/excel/WebConfig.java

@@ -0,0 +1,32 @@
+package com.baeldung.excel;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+
+@EnableWebMvc
+@Configuration
+@ComponentScan(basePackages = { "com.baeldung.excel" })
+public class WebConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addViewControllers(final ViewControllerRegistry registry) {
+        registry.addViewController("/").setViewName("index");
+    }
+
+    @Override
+    public void addResourceHandlers(final ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
+    }
+
+
+    @Bean
+    public ExcelPOIHelper excelPOIHelper() {
+        return new ExcelPOIHelper();
+    }
+}

spring-web-modules/spring-mvc-java/README.md

@@ -9,8 +9,6 @@ The "REST With Spring" Classes: https://bit.ly/restwithspring
 ### Relevant Articles: 
 - [Integration Testing in Spring](https://www.baeldung.com/integration-testing-in-spring)
 - [File Upload with Spring MVC](https://www.baeldung.com/spring-file-upload)
-- [Introduction to HtmlUnit](https://www.baeldung.com/htmlunit)
-- [Upload and Display Excel Files with Spring MVC](https://www.baeldung.com/spring-mvc-excel-files)
 - [web.xml vs Initializer with Spring](https://www.baeldung.com/spring-xml-vs-java-config)
 - [A Java Web Application Without a web.xml](https://www.baeldung.com/java-web-app-without-web-xml)
 - [Accessing Spring MVC Model Objects in JavaScript](https://www.baeldung.com/spring-mvc-model-objects-js)

spring-web-modules/spring-mvc-java/pom.xml

@@ -44,21 +44,7 @@
             <scope>provided</scope>
         </dependency>
         <!-- common -->
-        <dependency>
+
-            <groupId>net.sourceforge.htmlunit</groupId>
-            <artifactId>htmlunit</artifactId>
-            <version>${htmlunit.version}</version>
-            <exclusions>
-                <exclusion>
-                    <artifactId>commons-logging</artifactId>
-                    <groupId>commons-logging</groupId>
-                </exclusion>
-                <exclusion>
-                    <groupId>commons-io</groupId>
-                    <artifactId>commons-io</artifactId>
-                </exclusion>
-            </exclusions>
-        </dependency>
         <dependency>
             <groupId>commons-io</groupId>
             <artifactId>commons-io</artifactId>
@@ -91,12 +77,7 @@
             <artifactId>spring-boot-starter-test</artifactId>
             <scope>test</scope>
         </dependency>
-        <!-- excel -->
+
-        <dependency>
-            <groupId>org.apache.poi</groupId>
-            <artifactId>poi-ooxml</artifactId>
-            <version>${poi.version}</version>
-        </dependency>
         <!-- Validation -->
         <dependency>
             <groupId>org.hibernate.validator</groupId>
@@ -221,19 +202,15 @@
         <!-- testing -->
         <httpcore.version>4.4.5</httpcore.version>
         <httpclient.version>4.5.2</httpclient.version>
-        <net.sourceforge.htmlunit>2.23</net.sourceforge.htmlunit>
         <!-- maven plugins -->
         <maven-resources-plugin.version>2.7</maven-resources-plugin.version>
         <cargo-maven2-plugin.version>1.6.1</cargo-maven2-plugin.version>
         <maven-resources-plugin.version>3.1.0</maven-resources-plugin.version>
         <!-- AspectJ -->
         <aspectj.version>1.9.1</aspectj.version>
-        <!-- excel -->
-        <poi.version>3.16-beta1</poi.version>
         <javax.el.version>3.0.1-b09</javax.el.version>
         <javax.version>4.0.1</javax.version>
         <javax-servlet-api.version>2.3.3</javax-servlet-api.version>
-        <htmlunit.version>2.32</htmlunit.version>
         <json-path.version>2.8.0</json-path.version>
         <start-class>com.baeldung.SpringMVCApplication</start-class>
     </properties>

spring-web-modules/spring-mvc-java/src/main/java/com/baeldung/spring/web/config/WebConfig.java

@@ -27,7 +27,6 @@ import org.thymeleaf.spring4.templateresolver.SpringResourceTemplateResolver;
 import org.thymeleaf.spring4.view.ThymeleafViewResolver;
 import org.thymeleaf.templateresolver.ITemplateResolver;
 
-import com.baeldung.excel.ExcelPOIHelper;
 
 @EnableWebMvc
 @Configuration
@@ -118,11 +117,6 @@ public class WebConfig implements WebMvcConfigurer {
         configurer.setUrlPathHelper(urlPathHelper);
     }
 
-    @Bean
-    public ExcelPOIHelper excelPOIHelper() {
-        return new ExcelPOIHelper();
-    }
-    
     @Bean(name = "multipartResolver")
     public CommonsMultipartResolver multipartResolver() {
         CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver();