Junit5 (latest two commits) (#825)

* PDF to X

* PDF to X

* Remove created doc

* Code fixes and cleanup for PDF module

* Fix web.xml in spring-mvc-web-vs-initializer project

* Rollback web.xml

* Fixes to PDF article

* Merge with main eugen branch

* Junit 5

* Fix name of test and modifier

enterprise-patterns/intercepting-filter-pattern/src/main/java/com/baeldung/enterprise/patterns/front/controller/filters/AuditFilter.java

@@ -0,0 +1,25 @@
+package com.baeldung.enterprise.patterns.front.controller.filters;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpSession;
+import java.io.IOException;
+
+public class AuditFilter extends BaseFilter {
+    @Override
+    public void doFilter(
+      ServletRequest request,
+      ServletResponse response,
+      FilterChain chain
+    ) throws IOException, ServletException {
+        HttpServletRequest httpServletRequest = (HttpServletRequest) request;
+        HttpSession session = httpServletRequest.getSession(false);
+        if (session != null && session.getAttribute("username") != null) {
+            request.setAttribute("username", session.getAttribute("username"));
+        }
+        chain.doFilter(request, response);
+    }
+}

enterprise-patterns/intercepting-filter-pattern/src/main/java/com/baeldung/enterprise/patterns/front/controller/filters/VisitorCounterFilter.java

@@ -0,0 +1,23 @@
+package com.baeldung.enterprise.patterns.front.controller.filters;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.annotation.WebFilter;
+import java.io.IOException;
+
+@WebFilter(servletNames = "front-controller")
+public class VisitorCounterFilter extends BaseFilter {
+    private int counter;
+
+    @Override
+    public void doFilter(
+      ServletRequest request,
+      ServletResponse response,
+      FilterChain chain
+    ) throws IOException, ServletException {
+        request.setAttribute("counter", ++counter);
+        chain.doFilter(request, response);
+    }
+}

enterprise-patterns/pom.xml

@@ -0,0 +1,35 @@
+<?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.baeldung.enterprise.patterns</groupId>
+    <artifactId>enterprise-patterns-parent</artifactId>
+    <packaging>pom</packaging>
+    <modules>
+        <module>spring-dispatcher-servlet</module>
+    </modules>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-modules</artifactId>
+        <version>1.0.0-SNAPSHOT</version>
+    </parent>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <groupId>org.apache.maven.plugins</groupId>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.5.1</version>
+                    <configuration>
+                        <source>1.8</source>
+                        <target>1.8</target>
+                    </configuration>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+</project>