Add ":servlet:java-configuration:hello-security"

servlet/java-configuration/hello-security/build.gradle

@@ -0,0 +1,40 @@
+plugins {
+	id "java"
+	id "nebula.integtest" version "7.0.9"
+	id "org.gretty" version "3.0.3"
+	id "war"
+}
+
+apply from: "gradle/gretty.gradle"
+
+repositories {
+	mavenCentral()
+	maven { url "https://repo.spring.io/libs-snapshot" }
+}
+
+dependencies {
+	implementation platform("org.springframework:spring-framework-bom:5.2.8.RELEASE")
+	implementation platform("org.springframework.security:spring-security-bom:5.4.0-SNAPSHOT")
+	implementation platform("org.junit:junit-bom:5.6.2")
+
+	implementation "org.springframework.security:spring-security-config"
+	implementation "org.springframework.security:spring-security-web"
+	implementation "javax.servlet.jsp.jstl:javax.servlet.jsp.jstl-api:1.2.2"
+	implementation "org.apache.taglibs:taglibs-standard-jstlel:1.2.5"
+
+	providedCompile "javax.servlet:javax.servlet-api:4.0.1"
+	providedCompile "javax.servlet.jsp:javax.servlet.jsp-api:2.3.3"
+
+	testImplementation "org.assertj:assertj-core:3.15.0"
+	testImplementation "org.springframework:spring-test"
+	testImplementation "org.springframework.security:spring-security-test"
+	testImplementation("org.junit.jupiter:junit-jupiter-api")
+
+	testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine")
+
+	integTestImplementation "org.seleniumhq.selenium:htmlunit-driver:2.39.0"
+}
+
+tasks.withType(Test).configureEach {
+	useJUnitPlatform()
+}

servlet/java-configuration/hello-security/gradle.properties

@@ -0,0 +1 @@
+tomcat85Version=8.5.54

servlet/java-configuration/hello-security/gradle/gretty.gradle

@@ -0,0 +1,41 @@
+gretty {
+	servletContainer = "tomcat85"
+	contextPath = "/"
+	fileLogEnabled = false
+	integrationTestTask = 'integrationTest'
+}
+
+Task prepareAppServerForIntegrationTests = project.tasks.create('prepareAppServerForIntegrationTests') {
+	group = 'Verification'
+	description = 'Prepares the app server for integration tests'
+	doFirst {
+		project.gretty {
+			httpPort = -1
+		}
+	}
+}
+
+project.tasks.matching { it.name == "appBeforeIntegrationTest" }.all { task ->
+	task.dependsOn prepareAppServerForIntegrationTests
+}
+
+project.tasks.matching { it.name == "integrationTest" }.all {
+	task -> task.doFirst {
+		def gretty = project.gretty
+		String host = project.gretty.host ?: 'localhost'
+		boolean isHttps = gretty.httpsEnabled
+		Integer httpPort = integrationTest.systemProperties['gretty.httpPort']
+		Integer httpsPort = integrationTest.systemProperties['gretty.httpsPort']
+		int port = isHttps ? httpsPort : httpPort
+		String contextPath = project.gretty.contextPath
+		String httpBaseUrl = "http://${host}:${httpPort}${contextPath}"
+		String httpsBaseUrl = "https://${host}:${httpsPort}${contextPath}"
+		String baseUrl = isHttps ? httpsBaseUrl : httpBaseUrl
+		integrationTest.systemProperty 'app.port', port
+		integrationTest.systemProperty 'app.httpPort', httpPort
+		integrationTest.systemProperty 'app.httpsPort', httpsPort
+		integrationTest.systemProperty 'app.baseURI', baseUrl
+		integrationTest.systemProperty 'app.httpBaseURI', httpBaseUrl
+		integrationTest.systemProperty 'app.httpsBaseURI', httpsBaseUrl
+	}
+}

servlet/java-configuration/hello-security/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

servlet/java-configuration/hello-security/gradlew

@@ -0,0 +1,183 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

servlet/java-configuration/hello-security/gradlew.bat

@@ -0,0 +1,103 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

servlet/java-configuration/hello-security/settings.gradle

@@ -0,0 +1 @@
+

servlet/java-configuration/hello-security/src/integTest/java/example/HelloWorldTests.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2002-2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package example;
+
+import example.pages.HomePage;
+import example.pages.LoginPage;
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.htmlunit.HtmlUnitDriver;
+
+/**
+ * Test the Hello World application.
+ *
+ * @author Michael Simons
+ */
+public class HelloWorldTests {
+
+	private WebDriver driver;
+
+	private int port;
+
+	@BeforeEach
+	void setup() {
+		this.port = Integer.parseInt(System.getProperty("app.httpPort"));
+		this.driver = new HtmlUnitDriver();
+	}
+
+	@AfterEach
+	void tearDown() {
+		this.driver.quit();
+	}
+
+	@Test
+	void accessHomePageWithUnauthenticatedUserSendsToLoginPage() {
+		final LoginPage loginPage = HomePage.to(this.driver, this.port);
+		loginPage.assertAt();
+	}
+
+	@Test
+	void authenticatedUserIsSentToOriginalPage() {
+		// @formatter:off
+		final HomePage homePage = HomePage.to(this.driver, this.port)
+				.loginForm()
+					.username("user")
+					.password("password")
+					.submit();
+		// @formatter:on
+		homePage.assertAt().andTheUserNameIsDisplayed();
+	}
+
+	@Test
+	void authenticatedUserLogsOut() {
+		// @formatter:off
+		LoginPage loginPage = HomePage.to(this.driver, this.port)
+				.loginForm()
+					.username("user")
+					.password("password")
+					.submit()
+				.logout();
+		// @formatter:on
+		loginPage.assertAt();
+
+		loginPage = HomePage.to(this.driver, this.port);
+		loginPage.assertAt();
+	}
+
+}

servlet/java-configuration/hello-security/src/integTest/java/example/pages/HomePage.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright 2002-2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package example.pages;
+
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.support.FindBy;
+import org.openqa.selenium.support.PageFactory;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * The home page.
+ *
+ * @author Michael Simons
+ */
+public class HomePage {
+
+	private final WebDriver webDriver;
+
+	@FindBy(css = "p")
+	private WebElement message;
+
+	@FindBy(css = "input[type=submit]")
+	private WebElement logoutButton;
+
+	public static LoginPage to(WebDriver driver, int port) {
+		driver.get("http://localhost:" + port + "/");
+		return PageFactory.initElements(driver, LoginPage.class);
+	}
+
+	public HomePage(WebDriver webDriver) {
+		this.webDriver = webDriver;
+	}
+
+	public Content assertAt() {
+		assertThat(this.webDriver.getTitle()).isEqualTo("Hello Security");
+		return PageFactory.initElements(this.webDriver, Content.class);
+	}
+
+	public LoginPage logout() {
+		this.logoutButton.submit();
+		return PageFactory.initElements(this.webDriver, LoginPage.class);
+	}
+
+	public static class Content {
+
+		@FindBy(css = "p")
+		private WebElement message;
+
+		public Content andTheUserNameIsDisplayed() {
+			assertThat(this.message.getText()).isEqualTo("Hello user");
+			return this;
+		}
+
+	}
+
+}

servlet/java-configuration/hello-security/src/integTest/java/example/pages/LoginPage.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2002-2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package example.pages;
+
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.support.FindBy;
+import org.openqa.selenium.support.PageFactory;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * The log in page.
+ *
+ * @author Michael Simons
+ */
+public class LoginPage {
+
+	private final WebDriver webDriver;
+
+	private final LoginForm loginForm;
+
+	public LoginPage(WebDriver webDriver) {
+		this.webDriver = webDriver;
+		this.loginForm = PageFactory.initElements(this.webDriver, LoginForm.class);
+	}
+
+	public LoginPage assertAt() {
+		assertThat(this.webDriver.getTitle()).isEqualTo("Please sign in");
+		return this;
+	}
+
+	public LoginForm loginForm() {
+		return this.loginForm;
+	}
+
+	public static class LoginForm {
+
+		private WebDriver webDriver;
+
+		private WebElement username;
+
+		private WebElement password;
+
+		@FindBy(css = "button[type=submit]")
+		private WebElement submit;
+
+		public LoginForm(WebDriver webDriver) {
+			this.webDriver = webDriver;
+		}
+
+		public LoginForm username(String username) {
+			this.username.sendKeys(username);
+			return this;
+		}
+
+		public LoginForm password(String password) {
+			this.password.sendKeys(password);
+			return this;
+		}
+
+		public HomePage submit() {
+			this.submit.click();
+			return PageFactory.initElements(this.webDriver, HomePage.class);
+		}
+
+	}
+
+}

servlet/java-configuration/hello-security/src/main/java/example/SecurityConfiguration.java

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2002-2016 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package example;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.core.userdetails.User;
+import org.springframework.security.core.userdetails.UserDetails;
+import org.springframework.security.core.userdetails.UserDetailsService;
+import org.springframework.security.provisioning.InMemoryUserDetailsManager;
+
+@EnableWebSecurity
+public class SecurityConfiguration {
+
+	// @formatter:off
+	@Bean
+	public UserDetailsService userDetailsService() {
+		UserDetails user = User.withDefaultPasswordEncoder()
+				.username("user")
+				.password("password")
+				.roles("USER")
+				.build();
+		return new InMemoryUserDetailsManager(user);
+	}
+	// @formatter:on
+
+}

servlet/java-configuration/hello-security/src/main/java/example/SecurityWebApplicationInitializer.java

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2002-2013 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package example;
+
+import org.springframework.security.web.context.AbstractSecurityWebApplicationInitializer;
+
+/**
+ * No customizations of {@link AbstractSecurityWebApplicationInitializer} are necessary.
+ *
+ * @author Rob Winch
+ */
+public class SecurityWebApplicationInitializer extends AbstractSecurityWebApplicationInitializer {
+
+	public SecurityWebApplicationInitializer() {
+		super(SecurityConfiguration.class);
+	}
+
+}

servlet/java-configuration/hello-security/src/main/resources/logback.xml

@@ -0,0 +1,12 @@
+<configuration>
+	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+	<encoder>
+		<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n</pattern>
+	</encoder>
+	</appender>
+
+	<root level="WARN">
+		<appender-ref ref="STDOUT" />
+	</root>
+
+</configuration>

servlet/java-configuration/hello-security/src/main/webapp/META-INF/MANIFEST.MF

@@ -0,0 +1,2 @@
+Manifest-Version: 1.0
+

servlet/java-configuration/hello-security/src/main/webapp/index.jsp

@@ -0,0 +1,38 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"
+    xmlns:c="http://java.sun.com/jsp/jstl/core" version="2.0">
+
+  <jsp:directive.page contentType="text/html" pageEncoding="UTF-8" />
+  <jsp:output omit-xml-declaration="true" />
+  <jsp:output doctype-root-element="HTML"
+              doctype-system="about:legacy-compat" />
+<html lang="en">
+  <head>
+    <title>Hello Security</title>
+    <c:url var="faviconUrl" value="/resources/img/favicon.ico"/>
+    <link rel="icon" type="image/x-icon" href="${faviconUrl}"/>
+    <c:url var="bootstrapUrl" value="/resources/css/bootstrap.css"/>
+    <link href="${bootstrapUrl}" rel="stylesheet"></link>
+    <c:url var="bootstrapResponsiveUrl" value="/resources/css/bootstrap-responsive.css"/>
+    <link href="${bootstrapResponsiveUrl}" rel="stylesheet"></link>
+    <!-- HTML5 shim, for IE6-8 support of HTML5 elements -->
+    <!--[if lt IE 9]>
+      <script src="https://html5shim.googlecode.com/svn/trunk/html5.js"></script>
+    <![endif]-->
+  </head>
+
+  <body>
+    <div class="container">
+      <h1>This is secured!</h1>
+      <p>
+        Hello <b><c:out value="${pageContext.request.remoteUser}"/></b>
+      </p>
+      <c:url var="logoutUrl" value="/logout"/>
+      <form class="form-inline" action="${logoutUrl}" method="post">
+          <input type="submit" value="Log out" />
+          <input type="hidden" name="${_csrf.parameterName}" value="${_csrf.token}"/>
+      </form>
+    </div>
+  </body>
+</html>
+</jsp:root>

settings.gradle

@@ -26,6 +26,7 @@ include ":reactive:webflux:java:oauth2:login"
 include ":reactive:webflux:java:oauth2:resource-server"
 include ":reactive:webflux:java:oauth2:webclient"
 include ":reactive:webflux:kotlin:hello-security"
+include ":servlet:java-configuration:hello-security"
 include ":servlet:spring-boot:java:hello"
 include ":servlet:spring-boot:java:hello-security"
 include ":servlet:spring-boot:java:hello-security-explicit"