Merge remote-tracking branch 'upstream/master'

cas/cas-secured-app/README.md

@@ -0,0 +1,2 @@
+## Relevant articles:
+- [CAS SSO With Spring Security](http://www.baeldung.com/spring-security-cas-sso)

core-java-8/README.md

@@ -32,3 +32,4 @@
 - [“Stream has already been operated upon or closed” Exception in Java](http://www.baeldung.com/java-stream-operated-upon-or-closed-exception)
 - [Display All Time Zones With GMT And UTC in Java](http://www.baeldung.com/java-time-zones)
 - [Copy a File with Java](http://www.baeldung.com/java-copy-file)
+- [Generating Prime Numbers in Java](http://www.baeldung.com/java-generate-prime-numbers)

core-java-9/README.md

@@ -18,3 +18,4 @@
 - [How to Get All Dates Between Two Dates?](http://www.baeldung.com/java-between-dates)
 - [Java 9 java.util.Objects Additions](http://www.baeldung.com/java-9-objects-new)
 - [Compact Strings in Java 9](http://www.baeldung.com/java-9-compact-string)
+- [Convert Date to LocalDate or LocalDateTime and Back](http://www.baeldung.com/java-date-to-localdate-and-localdatetime)

core-java-concurrency/README.md

@@ -31,3 +31,5 @@
 - [Overview of the java.util.concurrent](http://www.baeldung.com/java-util-concurrent)
 - [Semaphores in Java](http://www.baeldung.com/java-semaphore)
 - [Daemon Threads in Java](http://www.baeldung.com/java-daemon-thread)
+- [Implementing a Runnable vs Extending a Thread](http://www.baeldung.com/java-runnable-vs-extending-thread)
+- [How to Kill a Java Thread](http://www.baeldung.com/java-thread-stop)

core-java/README.md

@@ -121,4 +121,8 @@
 - [Copy a File with Java](http://www.baeldung.com/java-copy-file)
 - [Introduction to Creational Design Patterns](http://www.baeldung.com/creational-design-patterns)
 - [Quick Example - Comparator vs Comparable in Java](http://www.baeldung.com/java-comparator-comparable)
-
+- [Quick Guide to Java Stack](http://www.baeldung.com/java-stack)
+- [The Java continue and break Keywords](http://www.baeldung.com/java-continue-and-break)
+- [Java – Append Data to a File](http://www.baeldung.com/java-append-to-file)
+- [Introduction to the Java ArrayDeque](http://www.baeldung.com/java-array-deque)
+- [Guide to java.util.Formatter](http://www.baeldung.com/java-string-formatter)

core-java/src/main/java/com/baeldung/array/SearchArrayTest.java

@@ -5,12 +5,12 @@ import org.openjdk.jmh.annotations.*;
 import java.util.*;
 import java.util.concurrent.TimeUnit;
 
+@BenchmarkMode(Mode.AverageTime)
+@Warmup(iterations = 5)
+@OutputTimeUnit(TimeUnit.MICROSECONDS)
 public class SearchArrayTest {
 
     @Benchmark
-    @BenchmarkMode(Mode.AverageTime)
-    @Warmup(iterations = 5)
-    @OutputTimeUnit(TimeUnit.MICROSECONDS)
     public void searchArrayLoop() {
 
         int count = 1000;
@@ -21,9 +21,6 @@ public class SearchArrayTest {
     }
 
     @Benchmark
-    @BenchmarkMode(Mode.AverageTime)
-    @Warmup(iterations = 5)
-    @OutputTimeUnit(TimeUnit.MICROSECONDS)
     public void searchArrayAllocNewList() {
 
         int count = 1000;
@@ -35,9 +32,6 @@ public class SearchArrayTest {
     }
 
     @Benchmark
-    @BenchmarkMode(Mode.AverageTime)
-    @Warmup(iterations = 5)
-    @OutputTimeUnit(TimeUnit.MICROSECONDS)
     public void searchArrayAllocNewSet() {
 
         int count = 1000;
@@ -49,9 +43,6 @@ public class SearchArrayTest {
 
 
     @Benchmark
-    @BenchmarkMode(Mode.AverageTime)
-    @Warmup(iterations = 5)
-    @OutputTimeUnit(TimeUnit.MICROSECONDS)
     public void searchArrayReuseList() {
 
         int count = 1000;
@@ -66,9 +57,6 @@ public class SearchArrayTest {
 
 
     @Benchmark
-    @BenchmarkMode(Mode.AverageTime)
-    @Warmup(iterations = 5)
-    @OutputTimeUnit(TimeUnit.MICROSECONDS)
     public void searchArrayReuseSet() {
 
         int count = 1000;
@@ -81,9 +69,6 @@ public class SearchArrayTest {
 
 
     @Benchmark
-    @BenchmarkMode(Mode.AverageTime)
-    @Warmup(iterations = 5)
-    @OutputTimeUnit(TimeUnit.MICROSECONDS)
     public void searchArrayBinarySearch() {
 
         int count = 1000;

drools/README.MD

@@ -1,3 +1,4 @@
 ### Relevant Articles:
 - [Introduction to Drools](http://www.baeldung.com/drools)
 - [Drools Using Rules from Excel Files](http://www.baeldung.com/drools-excel)
+- [An Example of Backward Chaining in Drools](http://www.baeldung.com/drools-backward-chaining)

flyway/spring-flyway/src/test/java/com/baeldung/springflyway/CustomerRepositoryInitialMigrationIntegrationTest.java

@@ -12,7 +12,7 @@ import static org.junit.Assert.assertNotNull;
 
 @RunWith(SpringRunner.class)
 @SpringBootTest
-public class CustomerRepositoryInitialMigrationTest {
+public class CustomerRepositoryInitialMigrationIntegrationTest {
 
     @Autowired CustomerRepository customerRepository;
 

flyway/spring-flyway/src/test/java/com/baeldung/springflyway/CustomerRepositoryInsertDataIntegrationTest.java

@@ -15,7 +15,7 @@ import static org.junit.Assert.*;
 
 @RunWith(SpringRunner.class)
 @SpringBootTest
-public class CustomerRepositoryInsertDataMigrationTest {
+public class CustomerRepositoryInsertDataIntegrationTest {
 
     @Autowired CustomerRepository customerRepository;
 

flyway/spring-flyway/src/test/java/com/baeldung/springflyway/CustomerRepositoryNotNullConstraintMigrationIntegrationTest.java

@@ -11,7 +11,7 @@ import org.springframework.test.context.junit4.SpringRunner;
 
 @RunWith(SpringRunner.class)
 @SpringBootTest
-public class CustomerRepositoryNotNullConstraintMigrationTest {
+public class CustomerRepositoryNotNullConstraintMigrationIntegrationTest {
 
     @Autowired CustomerRepository customerRepository;
 

flyway/spring-flyway/src/test/java/com/baeldung/springflyway/CustomerRepositoryUniqueConstraintJavaMigrationIntegrationTest.java

@@ -13,7 +13,7 @@ import org.springframework.test.context.junit4.SpringRunner;
 @SpringBootTest(properties = {
   "flyway.locations[0]=db/migration", "flyway.locations[1]=com/baeldung/springflyway/migration"
 })
-public class CustomerRepositoryUniqueConstraintJavaMigrationTest {
+public class CustomerRepositoryUniqueConstraintJavaMigrationIntegrationTest {
 
     @Autowired CustomerRepository customerRepository;
 

flyway/spring-flyway/src/test/java/com/baeldung/springflyway/CustomerRepositoryUniqueConstraintMigrationIntegrationTest.java

@@ -11,7 +11,7 @@ import org.springframework.test.context.junit4.SpringRunner;
 
 @RunWith(SpringRunner.class)
 @SpringBootTest
-public class CustomerRepositoryUniqueConstraintMigrationTest {
+public class CustomerRepositoryUniqueConstraintMigrationIntegrationTest {
 
     @Autowired CustomerRepository customerRepository;
 

gradle/README.md

@@ -1 +1,2 @@
 ## Relevant articles:
+- [Introduction to Gradle](http://www.baeldung.com/gradle)

hibernate5/README.md

@@ -2,3 +2,5 @@
 
 - [Dynamic Mapping with Hibernate](http://www.baeldung.com/hibernate-dynamic-mapping)
 - [An Overview of Identifiers in Hibernate](http://www.baeldung.com/hibernate-identifiers)
+- [Hibernate – Mapping Date and Time](http://www.baeldung.com/hibernate-date-time)
+- [Hibernate Inheritance Mapping](http://www.baeldung.com/hibernate-inheritance)

jsonb/README.md

@@ -1 +1,4 @@
 ## JSON B
+
+## Relevant articles:
+- [Introduction to the JSON Binding API (JSR 367) in Java](http://www.baeldung.com/java-json-binding-api)

junit5/README.md

@@ -0,0 +1,2 @@
+## Relevant articles: 
+- [The Order of Tests in JUnit](http://www.baeldung.com/junit-5-test-order)

libraries/pom.xml

@@ -630,13 +630,13 @@
         <dependency>
           <groupId>com.google.http-client</groupId>
           <artifactId>google-http-client-jackson2</artifactId>
-            <version>${googleclient.version}</version>
+          <version>${googleclient.version}</version>
         </dependency>
         <dependency>
-        <groupId>com.google.http-client</groupId>
+            <groupId>com.google.http-client</groupId>
-        <artifactId>google-http-client-gson</artifactId>
+            <artifactId>google-http-client-gson</artifactId>
-        <version>${googleclient.version}</version>
+            <version>${googleclient.version}</version>
-      </dependency>
+        </dependency>
     </dependencies>
     <repositories>
         <repository>

libraries/src/test/java/com/baeldung/neuroph/XORIntegrationTest.java

@@ -7,7 +7,7 @@ import org.neuroph.core.NeuralNetwork;
 
 import static org.junit.Assert.*;
 
-public class XORTest {
+public class XORIntegrationTest {
     private NeuralNetwork ann = null;
 
      private void print(String input, double output, double actual) {

osgi/readme.md

@@ -86,6 +86,9 @@ org.eclipse.osgi_3.12.1.v20170821-1548.jar
 
  = = NOT GOOD = =
  
+ ## Relevant articles:
+ - [Introduction to OSGi](http://www.baeldung.com/osgi)
+ 
 
 
 

patterns/README.md

@@ -1,4 +1,5 @@
 ###Relevant Articles:
 - [A Guide to the Front Controller Pattern in Java](http://www.baeldung.com/java-front-controller-pattern)
 - [Introduction to Intercepting Filter Pattern in Java](http://www.baeldung.com/intercepting-filter-pattern-in-java)
-- [Implementing the Template Method Pattern in Java](http://www.baeldung.com/template-method-pattern-in-java)
+- [Implementing the Template Method Pattern in Java](http://www.baeldung.com/java-template-method-pattern)
+

persistence-modules/spring-jpa/README.md

@@ -15,6 +15,7 @@
 - [Deleting Objects with Hibernate](http://www.baeldung.com/delete-with-hibernate)
 - [Self-Contained Testing Using an In-Memory Database](http://www.baeldung.com/spring-jpa-test-in-memory-database)
 - [Spring Data JPA – Adding a Method in All Repositories](http://www.baeldung.com/spring-data-jpa-method-in-all-repositories)
+- [A Guide to Spring AbstractRoutingDatasource](http://www.baeldung.com/spring-abstract-routing-data-source)
 
 ### Eclipse Config 
 After importing the project into Eclipse, you may see the following error:  

pom.xml

@@ -49,8 +49,6 @@
         <module>core-java-8</module>
         <module>core-java-concurrency</module>
         <module>couchbase</module>
-		<module>cas/cas-server</module>
-		<module>cas/cas-secured-app</module>
 
         <module>deltaspike</module>
         <module>dozer</module>
@@ -141,8 +139,8 @@
         <module>persistence-modules/solr</module>
         <module>spark-java</module>
       <!--  <module>spring-5</module>-->
+        <module>spring-5-reactive</module>
         <module>spring-5-mvc</module>
-        <module>spring-acl</module>
         <module>spring-activiti</module>
         <module>spring-akka</module>
         <module>spring-amqp</module>
@@ -152,7 +150,7 @@
         <module>spring-batch</module>
         <module>spring-bom</module>
         <module>spring-boot</module>
-	<module>spring-boot-keycloak</module>
+	    <module>spring-boot-keycloak</module>
         <module>spring-boot-bootstrap</module>
         <module>spring-cloud-data-flow</module>
         <module>spring-cloud</module>

spring-5-reactive-client/.gitignore

@@ -0,0 +1,12 @@
+#folders#
+.idea
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

spring-5-reactive-client/README.md

@@ -0,0 +1,15 @@
+## Spring REST Example Project
+
+### The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
+### Relevant Articles
+
+- [Concurrent Test Execution in Spring 5](http://www.baeldung.com/spring-5-concurrent-tests)
+- [Introduction to the Functional Web Framework in Spring 5](http://www.baeldung.com/spring-5-functional-web)
+- [Exploring the Spring 5 MVC URL Matching Improvements](http://www.baeldung.com/spring-5-mvc-url-matching)
+- [Spring 5 WebClient](http://www.baeldung.com/spring-5-webclient)
+- [Spring 5 Functional Bean Registration](http://www.baeldung.com/spring-5-functional-beans)
+- [The SpringJUnitConfig and SpringJUnitWebConfig Annotations in Spring 5](http://www.baeldung.com/spring-5-junit-config)
+- [Spring Security 5 for Reactive Applications](http://www.baeldung.com/spring-security-5-reactive)
+- [Spring 5 Testing with @EnabledIf Annotation](https://github.com/eugenp/tutorials/tree/master/spring-5)

spring-5-reactive-client/pom.xml

@@ -0,0 +1,201 @@
+<?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</groupId>
+    <artifactId>spring-5-reactive-client</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>spring-5</name>
+    <description>spring 5 sample project about new features</description>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.0.0.M7</version>
+        <relativePath /> <!-- lookup parent from repository -->
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-webflux</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectreactor</groupId>
+            <artifactId>reactor-spring</artifactId>
+            <version>${reactor-spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.json.bind</groupId>
+            <artifactId>javax.json.bind-api</artifactId>
+        </dependency>
+        
+        <!-- Dependencies for Yasson -->
+        <!-- <dependency> -->
+        <!-- <groupId>org.eclipse</groupId> -->
+        <!-- <artifactId>yasson</artifactId> -->
+        <!-- <version>1.0</version> -->
+        <!-- </dependency> -->
+        <!-- <dependency> -->
+        <!-- <groupId>org.glassfish</groupId> -->
+        <!-- <artifactId>javax.json</artifactId> -->
+        <!-- <version>1.1.2</version> -->
+        <!-- </dependency> -->
+        <!-- Dependencies for Johnzon -->
+        
+        <dependency>
+            <groupId>org.apache.geronimo.specs</groupId>
+            <artifactId>geronimo-json_1.1_spec</artifactId>
+            <version>${geronimo-json_1.1_spec.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.johnzon</groupId>
+            <artifactId>johnzon-jsonb</artifactId>
+        </dependency>
+        <!-- utils -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+
+        <!-- runtime and test scoped -->
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>4.1</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-surefire-provider</artifactId>
+            <version>${junit.platform.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-runner</artifactId>
+            <version>${junit.platform.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <mainClass>com.baeldung.Spring5Application</mainClass>
+                    <layout>JAR</layout>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <configuration>
+                    <forkCount>3</forkCount>
+                    <reuseForks>true</reuseForks>
+                    <parallel>methods</parallel>
+                    <useUnlimitedThreads>true</useUnlimitedThreads>
+                    <excludes>
+                        <exclude>**/*IntegrationTest.java</exclude>
+                        <exclude>**/*LiveTest.java</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>spring-milestones</id>
+            <name>Spring Milestones</name>
+            <url>https://repo.spring.io/milestone</url>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+    <pluginRepositories>
+        <pluginRepository>
+            <id>spring-milestones</id>
+            <name>Spring Milestones</name>
+            <url>https://repo.spring.io/milestone</url>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </pluginRepository>
+    </pluginRepositories>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+        <junit.platform.version>1.0.0</junit.platform.version>
+        <junit.jupiter.version>5.0.0</junit.jupiter.version>
+        <maven-surefire-plugin.version>2.20</maven-surefire-plugin.version>
+        <spring.version>5.0.1.RELEASE</spring.version>
+        <reactor-spring.version>1.0.1.RELEASE</reactor-spring.version>
+        <johnzon.version>1.1.3</johnzon.version>
+        <jsonb-api.version>1.0</jsonb-api.version>
+        <geronimo-json_1.1_spec.version>1.0</geronimo-json_1.1_spec.version>
+    </properties>
+
+</project>

spring-5-reactive-client/src/main/java/com/baeldung/reactive/model/Foo.java

@@ -0,0 +1,13 @@
+package com.baeldung.reactive.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@AllArgsConstructor
+@Data
+public class Foo {
+
+    private long id;
+    private String name;
+
+}

spring-5-reactive-client/src/main/resources/application.properties

@@ -0,0 +1,3 @@
+logging.level.root=INFO
+
+server.port=8081

spring-5-reactive-client/src/main/resources/logback.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
+        <layout class="ch.qos.logback.classic.PatternLayout">
+            # Pattern of log message for console appender
+            <Pattern>%d{yyyy-MM-dd HH:mm:ss} %-5p %m%n</Pattern>
+        </layout>
+    </appender>
+    
+    <logger name="org.springframework" level="INFO" />
+
+    <root level="INFO">
+        <appender-ref ref="stdout" />
+    </root>
+    
+</configuration>

spring-5-reactive-client/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
+         version="3.1">
+
+    <display-name>Spring Functional Application</display-name>
+
+    <servlet>
+        <servlet-name>functional</servlet-name>
+        <servlet-class>com.baeldung.functional.RootServlet</servlet-class>
+        <load-on-startup>1</load-on-startup>
+        <async-supported>true</async-supported>
+    </servlet>
+    <servlet-mapping>
+        <servlet-name>functional</servlet-name>
+        <url-pattern>/</url-pattern>
+    </servlet-mapping>
+
+
+</web-app>

spring-5-reactive-client/src/test/java/com/baeldung/reactive/ReactiveIntegrationTest.java

@@ -0,0 +1,42 @@
+package com.baeldung.reactive;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.web.reactive.function.client.ClientResponse;
+import org.springframework.web.reactive.function.client.WebClient;
+
+import com.baeldung.reactive.model.Foo;
+
+import reactor.core.publisher.Mono;
+
+@SpringBootTest
+public class ReactiveIntegrationTest {
+
+    private WebClient client;
+
+    @BeforeEach
+    public void before() {
+        client = WebClient.create("http://localhost:8080");
+    }
+
+    //
+
+    @Test
+    public void whenMonoReactiveEndpointIsConsumed_thenCorrectOutput() {
+        final Mono<ClientResponse> fooMono = client.get().uri("/foos/123").exchange().log();
+
+        System.out.println(fooMono.subscribe());
+    }
+
+    @Test
+    public void whenFluxReactiveEndpointIsConsumed_thenCorrectOutput() throws InterruptedException {
+        client.get().uri("/foos")
+            .retrieve()
+            .bodyToFlux(Foo.class).log()
+            .subscribe(System.out::println);
+
+        System.out.println();
+    }
+
+}

spring-5-reactive-client/src/test/java/com/baeldung/reactive/Spring5ReactiveTestApplication.java

@@ -0,0 +1,35 @@
+package com.baeldung.reactive;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.web.reactive.function.client.WebClient;
+
+import com.baeldung.reactive.model.Foo;
+
+@SpringBootApplication
+public class Spring5ReactiveTestApplication {
+
+    @Bean
+    public WebClient client() {
+        return WebClient.create("http://localhost:8080");
+    }
+
+    @Bean
+    CommandLineRunner cmd(WebClient client) {
+        return args -> {
+            client.get().uri("/foos2")
+                .retrieve()
+                .bodyToFlux(Foo.class).log()
+                .subscribe(System.out::println);
+        };
+    }
+    
+    // 
+    
+    public static void main(String[] args) {
+        SpringApplication.run(Spring5ReactiveTestApplication.class, args);
+    }
+    
+}

spring-5-reactive-client/src/test/resources/logback-test.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
+        <layout class="ch.qos.logback.classic.PatternLayout">
+            # Pattern of log message for console appender
+            <Pattern>%d{yyyy-MM-dd HH:mm:ss} %-5p %m%n</Pattern>
+        </layout>
+    </appender>
+    
+    <logger name="org.springframework" level="INFO" />
+
+    <root level="INFO">
+        <appender-ref ref="stdout" />
+    </root>
+    
+</configuration>

spring-5-reactive/.gitignore

@@ -0,0 +1,12 @@
+#folders#
+.idea
+/target
+/neoDb*
+/data
+/src/main/webapp/WEB-INF/classes
+*/META-INF/*
+
+# Packaged files #
+*.jar
+*.war
+*.ear

spring-5-reactive/README.md

@@ -0,0 +1,15 @@
+## Spring REST Example Project
+
+### The Course
+The "REST With Spring" Classes: http://bit.ly/restwithspring
+
+### Relevant Articles
+
+- [Concurrent Test Execution in Spring 5](http://www.baeldung.com/spring-5-concurrent-tests)
+- [Introduction to the Functional Web Framework in Spring 5](http://www.baeldung.com/spring-5-functional-web)
+- [Exploring the Spring 5 MVC URL Matching Improvements](http://www.baeldung.com/spring-5-mvc-url-matching)
+- [Spring 5 WebClient](http://www.baeldung.com/spring-5-webclient)
+- [Spring 5 Functional Bean Registration](http://www.baeldung.com/spring-5-functional-beans)
+- [The SpringJUnitConfig and SpringJUnitWebConfig Annotations in Spring 5](http://www.baeldung.com/spring-5-junit-config)
+- [Spring Security 5 for Reactive Applications](http://www.baeldung.com/spring-security-5-reactive)
+- [Spring 5 Testing with @EnabledIf Annotation](https://github.com/eugenp/tutorials/tree/master/spring-5)

spring-5-reactive/pom.xml

@@ -0,0 +1,201 @@
+<?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</groupId>
+    <artifactId>spring-5-reactive</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+
+    <name>spring-5</name>
+    <description>spring 5 sample project about new features</description>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.0.0.M7</version>
+        <relativePath /> <!-- lookup parent from repository -->
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-webflux</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.projectreactor</groupId>
+            <artifactId>reactor-spring</artifactId>
+            <version>${reactor-spring.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>javax.json.bind</groupId>
+            <artifactId>javax.json.bind-api</artifactId>
+        </dependency>
+        
+        <!-- Dependencies for Yasson -->
+        <!-- <dependency> -->
+        <!-- <groupId>org.eclipse</groupId> -->
+        <!-- <artifactId>yasson</artifactId> -->
+        <!-- <version>1.0</version> -->
+        <!-- </dependency> -->
+        <!-- <dependency> -->
+        <!-- <groupId>org.glassfish</groupId> -->
+        <!-- <artifactId>javax.json</artifactId> -->
+        <!-- <version>1.1.2</version> -->
+        <!-- </dependency> -->
+        <!-- Dependencies for Johnzon -->
+        
+        <dependency>
+            <groupId>org.apache.geronimo.specs</groupId>
+            <artifactId>geronimo-json_1.1_spec</artifactId>
+            <version>${geronimo-json_1.1_spec.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.johnzon</groupId>
+            <artifactId>johnzon-jsonb</artifactId>
+        </dependency>
+        <!-- utils -->
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+
+        <!-- runtime and test scoped -->
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-test</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-collections4</artifactId>
+            <version>4.1</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-surefire-provider</artifactId>
+            <version>${junit.platform.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.platform</groupId>
+            <artifactId>junit-platform-runner</artifactId>
+            <version>${junit.platform.version}</version>
+            <scope>test</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+                <configuration>
+                    <mainClass>com.baeldung.Spring5Application</mainClass>
+                    <layout>JAR</layout>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <configuration>
+                    <forkCount>3</forkCount>
+                    <reuseForks>true</reuseForks>
+                    <parallel>methods</parallel>
+                    <useUnlimitedThreads>true</useUnlimitedThreads>
+                    <excludes>
+                        <exclude>**/*IntegrationTest.java</exclude>
+                        <exclude>**/*LiveTest.java</exclude>
+                    </excludes>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <repositories>
+        <repository>
+            <id>spring-milestones</id>
+            <name>Spring Milestones</name>
+            <url>https://repo.spring.io/milestone</url>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+    <pluginRepositories>
+        <pluginRepository>
+            <id>spring-milestones</id>
+            <name>Spring Milestones</name>
+            <url>https://repo.spring.io/milestone</url>
+            <snapshots>
+                <enabled>false</enabled>
+            </snapshots>
+        </pluginRepository>
+    </pluginRepositories>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+        <java.version>1.8</java.version>
+        <junit.platform.version>1.0.0</junit.platform.version>
+        <junit.jupiter.version>5.0.0</junit.jupiter.version>
+        <maven-surefire-plugin.version>2.20</maven-surefire-plugin.version>
+        <spring.version>5.0.1.RELEASE</spring.version>
+        <reactor-spring.version>1.0.1.RELEASE</reactor-spring.version>
+        <johnzon.version>1.1.3</johnzon.version>
+        <jsonb-api.version>1.0</jsonb-api.version>
+        <geronimo-json_1.1_spec.version>1.0</geronimo-json_1.1_spec.version>
+    </properties>
+
+</project>

spring-5-reactive/src/main/java/com/baeldung/reactive/Spring5ReactiveApplication.java

@@ -0,0 +1,13 @@
+package com.baeldung.reactive;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Spring5ReactiveApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Spring5ReactiveApplication.class, args);
+    }
+
+}

spring-5-reactive/src/main/java/com/baeldung/reactive/controller/FooReactiveController.java

@@ -0,0 +1,46 @@
+package com.baeldung.reactive.controller;
+
+import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
+
+import java.time.Duration;
+import java.util.Random;
+import java.util.stream.Stream;
+
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+import com.baeldung.reactive.model.Foo;
+
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+import reactor.util.function.Tuple2;
+
+@RestController
+public class FooReactiveController {
+
+    @GetMapping("/foos/{id}")
+    public Mono<Foo> getFoo(@PathVariable("id") long id) {
+        return Mono.just(new Foo(id, randomAlphabetic(6)));
+    }
+
+    @GetMapping(produces = MediaType.TEXT_EVENT_STREAM_VALUE, value = "/foos")
+    public Flux<Foo> getAllFoos2() {
+        final Flux<Foo> foosFlux = Flux.fromStream(Stream.generate(() -> new Foo(new Random().nextLong(), randomAlphabetic(6))));
+        final Flux<Long> emmitFlux = Flux.interval(Duration.ofSeconds(1));
+        return Flux.zip(foosFlux, emmitFlux).map(Tuple2::getT1);
+    }
+
+    @GetMapping(produces = MediaType.TEXT_EVENT_STREAM_VALUE, value = "/foos2")
+    public Flux<Foo> getAllFoos() {
+        final Flux<Foo> flux = Flux.<Foo> create(fluxSink -> {
+            while (true) {
+                fluxSink.next(new Foo(new Random().nextLong(), randomAlphabetic(6)));
+            }
+        }).sample(Duration.ofSeconds(1)).log();
+
+        return flux;
+    }
+
+}

spring-5-reactive/src/main/java/com/baeldung/reactive/model/Foo.java

@@ -0,0 +1,13 @@
+package com.baeldung.reactive.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@AllArgsConstructor
+@Data
+public class Foo {
+
+    private long id;
+    private String name;
+
+}

spring-5-reactive/src/main/resources/application.properties

@@ -0,0 +1 @@
+logging.level.root=INFO

spring-5-reactive/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
+         version="3.1">
+
+    <display-name>Spring Functional Application</display-name>
+
+    <servlet>
+        <servlet-name>functional</servlet-name>
+        <servlet-class>com.baeldung.functional.RootServlet</servlet-class>
+        <load-on-startup>1</load-on-startup>
+        <async-supported>true</async-supported>
+    </servlet>
+    <servlet-mapping>
+        <servlet-name>functional</servlet-name>
+        <url-pattern>/</url-pattern>
+    </servlet-mapping>
+
+
+</web-app>

spring-5-reactive/src/test/java/com/baeldung/reactive/FluxUnitTest.java

@@ -0,0 +1,30 @@
+package com.baeldung.reactive;
+
+import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
+import static org.junit.Assert.assertNotNull;
+
+import java.time.Duration;
+import java.util.Random;
+
+import org.junit.jupiter.api.Test;
+
+import com.baeldung.reactive.model.Foo;
+
+import reactor.core.publisher.Flux;
+
+public class FluxUnitTest {
+
+    @Test
+    public void whenFluxIsConstructed_thenCorrect() {
+        final Flux<Foo> flux = Flux.<Foo> create(fluxSink -> {
+            while (true) {
+                fluxSink.next(new Foo(new Random().nextLong(), randomAlphabetic(6)));
+            }
+        }).sample(Duration.ofSeconds(1)).log();
+
+        flux.subscribe();
+
+        assertNotNull(flux);
+    }
+
+}

spring-5/README.md

@@ -11,3 +11,5 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [Spring 5 WebClient](http://www.baeldung.com/spring-5-webclient)
 - [Spring 5 Functional Bean Registration](http://www.baeldung.com/spring-5-functional-beans)
 - [The SpringJUnitConfig and SpringJUnitWebConfig Annotations in Spring 5](http://www.baeldung.com/spring-5-junit-config)
+- [Spring Security 5 for Reactive Applications](http://www.baeldung.com/spring-security-5-reactive)
+- [Spring 5 Testing with @EnabledIf Annotation](https://github.com/eugenp/tutorials/tree/master/spring-5)

spring-5/src/main/java/com/baeldung/web/PathPatternController.java

@@ -2,7 +2,6 @@ package com.baeldung.web;
 
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController

spring-acl/pom.xml

@@ -1,66 +0,0 @@
-<?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</groupId>
-    <artifactId>spring-acl</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
-    <packaging>war</packaging>
-
-    <name>spring-acl</name>
-    <description>Spring ACL</description>
-
-    <parent>
-        <artifactId>parent-boot-5</artifactId>
-        <groupId>com.baeldung</groupId>
-        <version>0.0.1-SNAPSHOT</version>
-        <relativePath>../parent-boot-5</relativePath>
-    </parent>
-
-    <dependencies>
-
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-starter-data-jpa</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>com.h2database</groupId>
-            <artifactId>h2</artifactId>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-            <groupId>org.springframework.security</groupId>
-            <artifactId>spring-security-test</artifactId>
-            <scope>test</scope>
-        </dependency>
-
-        <dependency>
-		    <groupId>org.springframework.security</groupId>
-		    <artifactId>spring-security-acl</artifactId>
-		</dependency>
-		<dependency>
-		    <groupId>org.springframework.security</groupId>
-		    <artifactId>spring-security-config</artifactId>
-		</dependency>
-		<dependency>
-		    <groupId>org.springframework</groupId>
-		    <artifactId>spring-context-support</artifactId>
-		</dependency>
-		<dependency>
-	        <groupId>net.sf.ehcache</groupId>
-	    	<artifactId>ehcache-core</artifactId>
-	    	<version>2.6.11</version>
-	    	<type>jar</type>
-        </dependency>
-
-    </dependencies>
-
-</project>

spring-acl/src/main/java/org/baeldung/acl/config/ACLContext.java

@@ -1,80 +0,0 @@
-package org.baeldung.acl.config;
-
-import javax.sql.DataSource;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
-import org.springframework.cache.ehcache.EhCacheFactoryBean;
-import org.springframework.cache.ehcache.EhCacheManagerFactoryBean;
-import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.security.access.expression.method.DefaultMethodSecurityExpressionHandler;
-import org.springframework.security.access.expression.method.MethodSecurityExpressionHandler;
-import org.springframework.security.acls.AclPermissionCacheOptimizer;
-import org.springframework.security.acls.AclPermissionEvaluator;
-import org.springframework.security.acls.domain.AclAuthorizationStrategy;
-import org.springframework.security.acls.domain.AclAuthorizationStrategyImpl;
-import org.springframework.security.acls.domain.ConsoleAuditLogger;
-import org.springframework.security.acls.domain.DefaultPermissionGrantingStrategy;
-import org.springframework.security.acls.domain.EhCacheBasedAclCache;
-import org.springframework.security.acls.jdbc.BasicLookupStrategy;
-import org.springframework.security.acls.jdbc.JdbcMutableAclService;
-import org.springframework.security.acls.jdbc.LookupStrategy;
-import org.springframework.security.acls.model.PermissionGrantingStrategy;
-import org.springframework.security.core.authority.SimpleGrantedAuthority;
-
-@Configuration
-@EnableAutoConfiguration
-public class ACLContext {
-
-    @Autowired
-    DataSource dataSource;
-
-    @Bean
-    public EhCacheBasedAclCache aclCache() {
-        return new EhCacheBasedAclCache(aclEhCacheFactoryBean().getObject(), permissionGrantingStrategy(), aclAuthorizationStrategy());
-    }
-
-    @Bean
-    public EhCacheFactoryBean aclEhCacheFactoryBean() {
-        EhCacheFactoryBean ehCacheFactoryBean = new EhCacheFactoryBean();
-        ehCacheFactoryBean.setCacheManager(aclCacheManager().getObject());
-        ehCacheFactoryBean.setCacheName("aclCache");
-        return ehCacheFactoryBean;
-    }
-
-    @Bean
-    public EhCacheManagerFactoryBean aclCacheManager() {
-        return new EhCacheManagerFactoryBean();
-    }
-
-    @Bean
-    public PermissionGrantingStrategy permissionGrantingStrategy() {
-        return new DefaultPermissionGrantingStrategy(new ConsoleAuditLogger());
-    }
-
-    @Bean
-    public AclAuthorizationStrategy aclAuthorizationStrategy() {
-        return new AclAuthorizationStrategyImpl(new SimpleGrantedAuthority("ROLE_ADMIN"));
-    }
-
-    @Bean
-    public MethodSecurityExpressionHandler defaultMethodSecurityExpressionHandler() {
-        DefaultMethodSecurityExpressionHandler expressionHandler = new DefaultMethodSecurityExpressionHandler();
-        AclPermissionEvaluator permissionEvaluator = new AclPermissionEvaluator(aclService());
-        expressionHandler.setPermissionEvaluator(permissionEvaluator);
-        expressionHandler.setPermissionCacheOptimizer(new AclPermissionCacheOptimizer(aclService()));
-        return expressionHandler;
-    }
-
-    @Bean
-    public LookupStrategy lookupStrategy() {
-        return new BasicLookupStrategy(dataSource, aclCache(), aclAuthorizationStrategy(), new ConsoleAuditLogger());
-    }
-
-    @Bean
-    public JdbcMutableAclService aclService() {
-        return new JdbcMutableAclService(dataSource, lookupStrategy(), aclCache());
-    }
-
-}

spring-acl/src/main/java/org/baeldung/acl/config/AclMethodSecurityConfiguration.java

@@ -1,21 +0,0 @@
-package org.baeldung.acl.config;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.security.access.expression.method.MethodSecurityExpressionHandler;
-import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
-import org.springframework.security.config.annotation.method.configuration.GlobalMethodSecurityConfiguration;
-
-@Configuration
-@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
-public class AclMethodSecurityConfiguration extends GlobalMethodSecurityConfiguration {
-
-    @Autowired
-    MethodSecurityExpressionHandler defaultMethodSecurityExpressionHandler;
-
-    @Override
-    protected MethodSecurityExpressionHandler createExpressionHandler() {
-        return defaultMethodSecurityExpressionHandler;
-    }
-
-}

spring-acl/src/main/java/org/baeldung/acl/config/JPAPersistenceConfig.java

@@ -1,16 +0,0 @@
-package org.baeldung.acl.config;
-
-import org.springframework.boot.autoconfigure.domain.EntityScan;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.PropertySource;
-import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
-import org.springframework.transaction.annotation.EnableTransactionManagement;
-
-@Configuration
-@EnableTransactionManagement
-@EnableJpaRepositories(basePackages = "org.baeldung.acl.persistence.dao")
-@PropertySource("classpath:org.baeldung.acl.datasource.properties")
-@EntityScan(basePackages={ "org.baeldung.acl.persistence.entity" })
-public class JPAPersistenceConfig {
-    
-}

spring-acl/src/main/java/org/baeldung/acl/persistence/dao/NoticeMessageRepository.java

@@ -1,24 +0,0 @@
-package org.baeldung.acl.persistence.dao;
-
-import java.util.List;
-
-import org.baeldung.acl.persistence.entity.NoticeMessage;
-import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.repository.query.Param;
-import org.springframework.security.access.prepost.PostAuthorize;
-import org.springframework.security.access.prepost.PostFilter;
-import org.springframework.security.access.prepost.PreAuthorize;
-
-public interface NoticeMessageRepository extends JpaRepository<NoticeMessage, Long>{
-    
-    @PostFilter("hasPermission(filterObject, 'READ')")
-    List<NoticeMessage> findAll();
-    
-    @PostAuthorize("hasPermission(returnObject, 'READ')")
-    NoticeMessage findById(Integer id);
-    
-    @SuppressWarnings("unchecked")
-    @PreAuthorize("hasPermission(#noticeMessage, 'WRITE')")
-    NoticeMessage save(@Param("noticeMessage")NoticeMessage noticeMessage);
-
-}

spring-acl/src/main/java/org/baeldung/acl/persistence/entity/NoticeMessage.java

@@ -1,29 +0,0 @@
-package org.baeldung.acl.persistence.entity;
-
-import javax.persistence.Column;
-import javax.persistence.Entity;
-import javax.persistence.Id;
-import javax.persistence.Table;
-
-@Entity
-@Table(name="system_message")
-public class NoticeMessage {
-
-    @Id
-    @Column
-    private Integer id;
-    @Column
-    private String content;
-    public Integer getId() {
-        return id;
-    }
-    public void setId(Integer id) {
-        this.id = id;
-    }
-    public String getContent() {
-        return content;
-    }
-    public void setContent(String content) {
-        this.content = content;
-    }
-}

spring-acl/src/main/resources/acl-data.sql

@@ -1,28 +0,0 @@
-INSERT INTO system_message(id,content) VALUES (1,'First Level Message');
-INSERT INTO system_message(id,content) VALUES (2,'Second Level Message');
-INSERT INTO system_message(id,content) VALUES (3,'Third Level Message');
-
-INSERT INTO acl_class (id, class) VALUES
-(1, 'org.baeldung.acl.persistence.entity.NoticeMessage');
-
-INSERT INTO acl_sid (id, principal, sid) VALUES
-(1, 1, 'manager'),
-(2, 1, 'hr'),
-(3, 1, 'admin'),
-(4, 0, 'ROLE_EDITOR');
-
-INSERT INTO acl_object_identity (id, object_id_class, object_id_identity, parent_object, owner_sid, entries_inheriting) VALUES
-(1, 1, 1, NULL, 3, 0),
-(2, 1, 2, NULL, 3, 0),
-(3, 1, 3, NULL, 3, 0)
-;
-
-INSERT INTO acl_entry (id, acl_object_identity, ace_order, sid, mask, granting, audit_success, audit_failure) VALUES
-(1, 1, 1, 1, 1, 1, 1, 1),
-(2, 1, 2, 1, 2, 1, 1, 1),
-(3, 1, 3, 4, 1, 1, 1, 1),
-(4, 2, 1, 2, 1, 1, 1, 1),
-(5, 2, 2, 4, 1, 1, 1, 1),
-(6, 3, 1, 4, 1, 1, 1, 1),
-(7, 3, 2, 4, 2, 1, 1, 1)
-;

spring-acl/src/main/resources/acl-schema.sql

@@ -1,58 +0,0 @@
-create table system_message (id integer not null, content varchar(255), primary key (id));
-
-CREATE TABLE IF NOT EXISTS acl_sid (
-  id bigint(20) NOT NULL AUTO_INCREMENT,
-  principal tinyint(1) NOT NULL,
-  sid varchar(100) NOT NULL,
-  PRIMARY KEY (id),
-  UNIQUE KEY unique_uk_1 (sid,principal)
-);
-
-CREATE TABLE IF NOT EXISTS acl_class (
-  id bigint(20) NOT NULL AUTO_INCREMENT,
-  class varchar(255) NOT NULL,
-  PRIMARY KEY (id),
-  UNIQUE KEY unique_uk_2 (class)
-);
- 
-CREATE TABLE IF NOT EXISTS acl_entry (
-  id bigint(20) NOT NULL AUTO_INCREMENT,
-  acl_object_identity bigint(20) NOT NULL,
-  ace_order int(11) NOT NULL,
-  sid bigint(20) NOT NULL,
-  mask int(11) NOT NULL,
-  granting tinyint(1) NOT NULL,
-  audit_success tinyint(1) NOT NULL,
-  audit_failure tinyint(1) NOT NULL,
-  PRIMARY KEY (id),
-  UNIQUE KEY unique_uk_4 (acl_object_identity,ace_order)
-);
- 
-CREATE TABLE IF NOT EXISTS acl_object_identity (
-  id bigint(20) NOT NULL AUTO_INCREMENT,
-  object_id_class bigint(20) NOT NULL,
-  object_id_identity bigint(20) NOT NULL,
-  parent_object bigint(20) DEFAULT NULL,
-  owner_sid bigint(20) DEFAULT NULL,
-  entries_inheriting tinyint(1) NOT NULL,
-  PRIMARY KEY (id),
-  UNIQUE KEY unique_uk_3 (object_id_class,object_id_identity)
-);
- 
-ALTER TABLE acl_entry
-ADD FOREIGN KEY (acl_object_identity) REFERENCES acl_object_identity(id);
-
-ALTER TABLE acl_entry
-ADD FOREIGN KEY (sid) REFERENCES acl_sid(id);
- 
---
--- Constraints for table acl_object_identity
---
-ALTER TABLE acl_object_identity
-ADD FOREIGN KEY (parent_object) REFERENCES acl_object_identity (id);
-
-ALTER TABLE acl_object_identity
-ADD FOREIGN KEY (object_id_class) REFERENCES acl_class (id);
-
-ALTER TABLE acl_object_identity
-ADD FOREIGN KEY (owner_sid) REFERENCES acl_sid (id);

spring-acl/src/main/resources/org.baeldung.acl.datasource.properties

@@ -1,12 +0,0 @@
-spring.datasource.url=jdbc:h2:mem:testdb;DB_CLOSE_ON_EXIT=FALSE
-spring.datasource.username=sa
-spring.datasource.password=
-spring.datasource.driverClassName=org.h2.Driver
-spring.jpa.hibernate.ddl-auto=update
-spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.H2Dialect
-
-spring.h2.console.path=/myconsole
-spring.h2.console.enabled=true
-spring.datasource.initialize=true
-spring.datasource.schema=classpath:acl-schema.sql
-spring.datasource.data=classpath:acl-data.sql

spring-acl/src/test/java/org/baeldung/acl/SpringAclTest.java

@@ -1,119 +0,0 @@
-package org.baeldung.acl;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-
-import java.util.List;
-
-import org.baeldung.acl.persistence.dao.NoticeMessageRepository;
-import org.baeldung.acl.persistence.entity.NoticeMessage;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
-import org.springframework.security.access.AccessDeniedException;
-import org.springframework.security.test.context.support.WithMockUser;
-import org.springframework.security.test.context.support.WithSecurityContextTestExecutionListener;
-import org.springframework.test.context.ContextConfiguration;
-import org.springframework.test.context.TestExecutionListeners;
-import org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
-import org.springframework.test.context.support.DependencyInjectionTestExecutionListener;
-import org.springframework.test.context.support.DirtiesContextTestExecutionListener;
-import org.springframework.test.context.transaction.TransactionalTestExecutionListener;
-import org.springframework.test.context.web.ServletTestExecutionListener;
-
-@RunWith(SpringJUnit4ClassRunner.class)
-@ContextConfiguration
-@TestExecutionListeners(listeners={ServletTestExecutionListener.class,
-        DependencyInjectionTestExecutionListener.class,
-        DirtiesContextTestExecutionListener.class,
-        TransactionalTestExecutionListener.class,
-        WithSecurityContextTestExecutionListener.class})
-public class SpringAclTest extends AbstractJUnit4SpringContextTests{
-    
-    private static Integer FIRST_MESSAGE_ID = 1;
-    private static Integer SECOND_MESSAGE_ID = 2;
-    private static Integer THIRD_MESSAGE_ID = 3;
-    private static String EDITTED_CONTENT = "EDITED";
-    
-    @Configuration
-    @ComponentScan("org.baeldung.acl.*")
-    public static class SpringConfig {
-
-    }
-    
-    @Autowired
-    NoticeMessageRepository repo;
-    
-    @Test
-    @WithMockUser(username="manager")
-    public void givenUsernameManager_whenFindAllMessage_thenReturnFirstMessage(){
-        List<NoticeMessage> details = repo.findAll();
-        assertNotNull(details);
-        assertEquals(1,details.size());
-        assertEquals(FIRST_MESSAGE_ID,details.get(0).getId());
-    }
-    
-    @Test
-    @WithMockUser(username="manager")
-    public void givenUsernameManager_whenFindFirstMessageByIdAndUpdateFirstMessageContent_thenOK(){
-        NoticeMessage firstMessage = repo.findById(FIRST_MESSAGE_ID);
-        assertNotNull(firstMessage);
-        assertEquals(FIRST_MESSAGE_ID,firstMessage.getId());
-        
-        firstMessage.setContent(EDITTED_CONTENT);
-        repo.save(firstMessage);
-        
-        NoticeMessage editedFirstMessage = repo.findById(FIRST_MESSAGE_ID);
-        assertNotNull(editedFirstMessage);
-        assertEquals(FIRST_MESSAGE_ID,editedFirstMessage.getId());
-        assertEquals(EDITTED_CONTENT,editedFirstMessage.getContent());
-    }
-    
-    @Test
-    @WithMockUser(username="hr")
-    public void givenUsernameHr_whenFindMessageById2_thenOK(){
-        NoticeMessage secondMessage = repo.findById(SECOND_MESSAGE_ID);
-        assertNotNull(secondMessage);
-        assertEquals(SECOND_MESSAGE_ID,secondMessage.getId());
-    }
-    
-    @Test(expected=AccessDeniedException.class)
-    @WithMockUser(username="hr")
-    public void givenUsernameHr_whenUpdateMessageWithId2_thenFail(){
-        NoticeMessage secondMessage = new NoticeMessage();
-        secondMessage.setId(SECOND_MESSAGE_ID);
-        secondMessage.setContent(EDITTED_CONTENT);
-        repo.save(secondMessage);
-    }
-    
-    @Test
-    @WithMockUser(roles={"EDITOR"})
-    public void givenRoleEditor_whenFindAllMessage_thenReturnThreeMessage(){
-        List<NoticeMessage> details = repo.findAll();
-        assertNotNull(details);
-        assertEquals(3,details.size());
-    }
-    
-    @Test
-    @WithMockUser(roles={"EDITOR"})
-    public void givenRoleEditor_whenUpdateThirdMessage_thenOK(){
-        NoticeMessage thirdMessage = new NoticeMessage();
-        thirdMessage.setId(THIRD_MESSAGE_ID);
-        thirdMessage.setContent(EDITTED_CONTENT);
-        repo.save(thirdMessage);
-    }
-    
-    @Test(expected=AccessDeniedException.class)
-    @WithMockUser(roles={"EDITOR"})
-    public void givenRoleEditor_whenFindFirstMessageByIdAndUpdateFirstMessageContent_thenFail(){
-        NoticeMessage firstMessage = repo.findById(FIRST_MESSAGE_ID);
-        assertNotNull(firstMessage);
-        assertEquals(FIRST_MESSAGE_ID,firstMessage.getId());
-        firstMessage.setContent(EDITTED_CONTENT);
-        repo.save(firstMessage);
-    }
-}
-    

spring-aop/README.md

@@ -2,4 +2,5 @@
 
 - [Implementing a Custom Spring AOP Annotation](http://www.baeldung.com/spring-aop-annotation)
 - [Intro to AspectJ](http://www.baeldung.com/aspectj)
-- [Spring Performance Logging](http://www.baeldung.com/spring-performance-logging)
+- [Spring Performance Logging](http://www.baeldung.com/spring-performance-logging)
+- [Introduction to Spring AOP](http://www.baeldung.com/spring-aop)

spring-boot-keycloak/README.md

@@ -0,0 +1,2 @@
+## Relevant articles:
+- [A Quick Guide to Using Keycloak with Spring Boot](http://www.baeldung.com/spring-boot-keycloak)

spring-boot/README.MD

@@ -28,4 +28,4 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
 - [Spring Boot and Togglz Aspect](http://www.baeldung.com/spring-togglz)
 - [Getting Started with GraphQL and Spring Boot](http://www.baeldung.com/spring-graphql)
 - [Guide to Spring Type Conversions](http://www.baeldung.com/spring-type-conversions)
-
+- [Quick Guide on data.sql and schema.sql Files in Spring Boot](http://www.baeldung.com/spring-boot-data-sql-and-schema-sql)

spring-cloud-cli/README.md

@@ -3,4 +3,4 @@
 ## Spring Cloud CLI
 
 ### Relevant Articles: 
-- [Introduction to Spring Cloud CLI](http://www.baeldung.com/introduction-to-spring-cloud-cli/)
+- [Introduction to Spring Cloud CLI](http://www.baeldung.com/spring-cloud-cli)

spring-core/README.md

@@ -8,3 +8,5 @@
 - [Spring YAML Configuration](http://www.baeldung.com/spring-yaml)
 - [Introduction to Spring’s StreamUtils](http://www.baeldung.com/spring-stream-utils)
 - [Using Spring @Value with Defaults](http://www.baeldung.com/spring-value-defaults)
+- [Groovy Bean Definitions](http://www.baeldung.com/spring-groovy-beans)
+- [XML-Based Injection in Spring](http://www.baeldung.com/spring-xml-injection)

spring-hibernate3/README.md

@@ -0,0 +1,2 @@
+## Relevant articles:
+- [HibernateException: No Hibernate Session Bound to Thread in Hibernate 3](http://www.baeldung.com/no-hibernate-session-bound-to-thread-exception)

spring-rest-simple/pom.xml

@@ -346,7 +346,7 @@
     </profiles>
 
     <properties>
-        <commons-fileupload.version>1.3.2</commons-fileupload.version>
+        <commons-fileupload.version>1.3.3</commons-fileupload.version>
         <kryo.version>4.0.0</kryo.version>
         <protobuf-java-format.version>1.4</protobuf-java-format.version>
         <protobuf-java.version>3.1.0</protobuf-java.version>

spring-rest-simple/src/main/java/com/baeldung/apachefileupload/UploadController.java

@@ -0,0 +1,73 @@
+package com.baeldung.apachefileupload;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Iterator;
+import java.util.List;
+import javax.servlet.http.HttpServletRequest;
+import org.apache.commons.fileupload.FileItem;
+import org.apache.commons.fileupload.FileItemIterator;
+import org.apache.commons.fileupload.FileItemStream;
+import org.apache.commons.fileupload.FileUploadException;
+import org.apache.commons.fileupload.disk.DiskFileItemFactory;
+import org.apache.commons.fileupload.servlet.ServletFileUpload;
+import org.apache.commons.fileupload.util.Streams;
+import org.apache.commons.io.IOUtils;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class UploadController {
+
+    @RequestMapping(value = "/upload", method = RequestMethod.POST)
+    public String handleUpload(HttpServletRequest request) {
+        System.out.println(System.getProperty("java.io.tmpdir"));
+        boolean isMultipart = ServletFileUpload.isMultipartContent(request);
+        // Create a factory for disk-based file items
+        DiskFileItemFactory factory = new DiskFileItemFactory();
+        factory.setRepository(new File(System.getProperty("java.io.tmpdir")));
+        factory.setSizeThreshold(DiskFileItemFactory.DEFAULT_SIZE_THRESHOLD);
+        factory.setFileCleaningTracker(null);
+        // Configure a repository (to ensure a secure temp location is used)
+        ServletFileUpload upload = new ServletFileUpload(factory);
+        try {
+            // Parse the request
+            List<FileItem> items = upload.parseRequest(request);
+            // Process the uploaded items
+            Iterator<FileItem> iter = items.iterator();
+            while (iter.hasNext()) {
+                FileItem item = iter.next();
+
+                if (!item.isFormField()) {
+                    try (InputStream uploadedStream = item.getInputStream();
+                            OutputStream out = new FileOutputStream("file.mov");) {
+                        IOUtils.copy(uploadedStream, out);
+                        out.close();
+                    }
+                }
+            }
+            // Parse the request with Streaming API
+            upload = new ServletFileUpload();
+            FileItemIterator iterStream = upload.getItemIterator(request);
+            while (iterStream.hasNext()) {
+                FileItemStream item = iterStream.next();
+                String name = item.getFieldName();
+                InputStream stream = item.openStream();
+                if (!item.isFormField()) {
+                    //Process the InputStream
+                } else {
+                    //process form fields
+                    String formFieldValue = Streams.asString(stream);
+                }
+            }
+            return "success!";
+        } catch (IOException | FileUploadException ex) {
+            return "failed: " + ex.getMessage();
+        }
+    }
+
+}

spring-security-acl/pom.xml

@@ -3,7 +3,6 @@
     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</groupId>
     <artifactId>spring-security-acl</artifactId>
     <version>0.0.1-SNAPSHOT</version>
     <packaging>war</packaging>

spring-security-acl/src/main/java/org/baeldung/acl/Application.java

@@ -0,0 +1,11 @@
+package org.baeldung.acl;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Application {
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
+}

spring-security-acl/src/test/java/org/baeldung/acl/SpringACLIntegrationTest.java

@@ -31,7 +31,7 @@ import org.springframework.test.context.web.ServletTestExecutionListener;
         DirtiesContextTestExecutionListener.class,
         TransactionalTestExecutionListener.class,
         WithSecurityContextTestExecutionListener.class})
-public class SpringAclTest extends AbstractJUnit4SpringContextTests{
+public class SpringACLIntegrationTest extends AbstractJUnit4SpringContextTests{
     
     private static Integer FIRST_MESSAGE_ID = 1;
     private static Integer SECOND_MESSAGE_ID = 2;

testing-modules/mockito-2/README.md

@@ -1,6 +1,7 @@
 ### Relevant articles
 
 - [Mockito’s Java 8 Features](http://www.baeldung.com/mockito-2-java-8)
+- [Lazy Verification with Mockito 2](http://www.baeldung.com/mockito-2-lazy-verification)
 
 ## Mockito 2 and Java 8 Tips
 

testing-modules/mockito/README.md

@@ -12,3 +12,5 @@
 - [Introduction to PowerMock](http://www.baeldung.com/intro-to-powermock)
 - [Mocking Exception Throwing using Mockito](http://www.baeldung.com/mockito-exceptions)
 - [Mocking Void Methods with Mockito](http://www.baeldung.com/mockito-void-methods)
+- [Mocking of Private Methods Using PowerMock](http://www.baeldung.com/powermock-private-method)
+- [Mock Final Classes and Methods with Mockito](http://www.baeldung.com/mockito-final)

testing-modules/testing/pom.xml

@@ -94,6 +94,11 @@
             <version>1.5</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.javalite</groupId>
+            <artifactId>javalite-common</artifactId>
+            <version>${javalite.version}</version>
+        </dependency>
     </dependencies>
     <build>
         <plugins>
@@ -162,5 +167,6 @@
         <truth.version>0.32</truth.version>
         <jUnitParams.version>1.1.0</jUnitParams.version>
         <jgotesting.version>0.12</jgotesting.version>
+        <javalite.version>1.4.13</javalite.version>
     </properties>
 </project>

testing-modules/testing/src/main/java/com/baeldung/jspec/Animal.java

@@ -0,0 +1,41 @@
+package com.baeldung.jspec;
+
+public abstract class Animal {
+
+    protected String name;
+
+    public Animal(String name) {
+        this.name = name;
+    }
+    
+    public String getName() {
+        return name;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((name == null) ? 0 : name.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj)
+            return true;
+        if (obj == null)
+            return false;
+        if (getClass() != obj.getClass())
+            return false;
+        Animal other = (Animal) obj;
+        if (name == null) {
+            if (other.name != null)
+                return false;
+        } else if (!name.equals(other.name))
+            return false;
+        return true;
+    }
+    
+    
+}

testing-modules/testing/src/main/java/com/baeldung/jspec/Cage.java

@@ -0,0 +1,48 @@
+package com.baeldung.jspec;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+public class Cage {
+    
+    private Set<Animal> animals = new HashSet<>();
+    
+    public void put(Animal animal) {
+        animals.add(animal);
+    }
+    
+    public void put(Animal... animals) {
+        this.animals.addAll(Arrays.asList(animals));
+    }
+    
+    public Animal release(Animal animal) {
+        return animals.remove(animal) ? animal : null;
+    }
+    
+    public void open() {
+        animals.clear();
+    }
+    
+    public boolean hasAnimals() {
+        return animals.size() > 0;
+    }
+    
+    public boolean isEmpty() {
+        return animals.isEmpty();
+    }
+    
+    public Set<Animal> getAnimals() {
+        return this.animals;
+    }
+    
+    public int size() {
+        return animals.size();
+    }
+
+    @Override
+    public String toString() {
+        return "Cage [animals=" + animals + "]";
+    }
+    
+}

testing-modules/testing/src/main/java/com/baeldung/jspec/Cat.java

@@ -0,0 +1,14 @@
+package com.baeldung.jspec;
+
+public class Cat extends Animal {
+
+    public Cat(String name) {
+        super(name);
+    }
+
+    @Override
+    public String toString() {
+        return "Cat [name=" + name + "]";
+    }
+    
+}

testing-modules/testing/src/main/java/com/baeldung/jspec/Dog.java

@@ -0,0 +1,14 @@
+package com.baeldung.jspec;
+
+public class Dog extends Animal {
+
+    public Dog(String name) {
+        super(name);
+    }
+
+    @Override
+    public String toString() {
+        return "Dog [name=" + name + "]";
+    }
+    
+}

testing-modules/testing/src/test/java/com/baeldung/jspec/CageUnitTest.java

@@ -0,0 +1,126 @@
+package com.baeldung.jspec;
+
+import static org.javalite.test.jspec.JSpec.$;
+import static org.javalite.test.jspec.JSpec.expect;
+import static org.javalite.test.jspec.JSpec.the;
+
+import java.util.Set;
+
+import org.javalite.test.jspec.DifferenceExpectation;
+import org.junit.Test;
+
+public class CageUnitTest {
+
+    Cat tomCat = new Cat("Tom");
+    Cat felixCat = new Cat("Felix");
+    Dog boltDog = new Dog("Bolt");
+    Cage cage = new Cage();
+
+    
+    @Test
+    public void puttingAnimals_shouldIncreaseCageSize() {
+        // When
+        cage.put(tomCat, boltDog);
+        
+        // Then
+        the(cage.size()).shouldEqual(2);
+    }
+    
+    @Test
+    public void releasingAnimals_shouldDecreaseCageSize() {
+        // When
+        cage.put(tomCat, boltDog);
+        cage.release(tomCat);
+        
+        // Then
+        the(cage.size()).shouldEqual(1);
+    }
+    
+    @Test
+    public void puttingAnimals_shouldLeaveThemInsideTheCage() {
+        // When
+        cage.put(tomCat, boltDog);
+        
+        // Then
+        the(cage).shouldHave("animals");
+    }
+    
+    @Test
+    public void openingTheCage_shouldReleaseAllAnimals() {
+        // When
+        cage.put(tomCat, boltDog);
+        
+        // Then
+        the(cage).shouldNotBe("empty");
+        
+        // When
+        cage.open();
+        
+        // Then
+        the(cage).shouldBe("empty");
+        the(cage.isEmpty()).shouldBeTrue();
+    }
+    
+    @Test
+    public void comparingTwoDogs() {
+        // When
+        Dog firstDog = new Dog("Rex");
+        Dog secondDog = new Dog("Rex");
+        
+        // Then
+        $(firstDog).shouldEqual(secondDog);
+        $(firstDog).shouldNotBeTheSameAs(secondDog);
+    }
+    
+    @Test
+    public void puttingCatsOnly_shouldLetCageAnimalsToContainCats() {
+        // When
+        cage.put(tomCat, felixCat);
+        
+        // Then
+        Set<Animal> animals = cage.getAnimals();
+        the(animals).shouldContain(tomCat);
+        the(animals).shouldContain(felixCat);
+        the(animals).shouldNotContain(boltDog);
+    }
+    
+    @Test
+    public void puttingCatsOnly_shouldLetCageToContainCats() {
+        // When
+        cage.put(tomCat, felixCat);
+        
+        // Then
+        // Check with toString of the tested objects
+        the(cage).shouldContain(tomCat);
+        the(cage).shouldContain(felixCat);
+        the(cage).shouldNotContain(boltDog);
+    }
+    
+    @Test
+    public void puttingMoreAnimals_shouldChangeSize() {
+        // When
+        cage.put(tomCat, boltDog);
+        
+        // Then
+        expect( new DifferenceExpectation<Integer>(cage.size()) {
+
+            @Override
+            public Integer exec() {
+                cage.release(tomCat);
+                return cage.size();
+            }
+        } );
+    }
+    
+    
+    @Test
+    public void releasingTheDog_shouldReleaseAnAnimalOfDogType() {
+        // When
+        cage.put(boltDog);
+        Animal releasedAnimal = cage.release(boltDog);
+        
+        // Then
+        the(releasedAnimal).shouldNotBeNull();
+        the(releasedAnimal).shouldBeA(Dog.class);
+    }
+}

testing-modules/testing/src/test/java/com/baeldung/jspec/JSpecUnitTest.java

@@ -0,0 +1,57 @@
+package com.baeldung.jspec;
+
+import static org.javalite.test.jspec.JSpec.$;
+import static org.javalite.test.jspec.JSpec.a;
+import static org.javalite.test.jspec.JSpec.expect;
+import static org.javalite.test.jspec.JSpec.it;
+import static org.javalite.test.jspec.JSpec.the;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.javalite.test.jspec.ExceptionExpectation;
+import org.junit.Test;
+
+public class JSpecUnitTest {
+
+    @Test
+    public void onePlusTwo_shouldEqualThree() {
+        $(1 + 2).shouldEqual(3);
+        a(1 + 2).shouldEqual(3);
+        the(1 + 2).shouldEqual(3);
+        it(1 + 2).shouldEqual(3);
+    }
+    
+    @Test
+    public void messageShouldContainJSpec() {
+        String message = "Welcome to JSpec demo";
+        // The message should not be empty
+        the(message).shouldNotBe("empty");
+        // The message should contain JSpec
+        the(message).shouldContain("JSpec");
+    }
+
+    public void colorsListShouldContainRed() {
+        List<String> colorsList = Arrays.asList("red", "green", "blue");
+        $(colorsList).shouldContain("red");
+    }
+
+    public void guessedNumberShouldEqualHiddenNumber() {
+        Integer guessedNumber = 11;
+        Integer hiddenNumber = 11;
+
+        $(guessedNumber).shouldEqual(hiddenNumber);
+        $(guessedNumber).shouldNotBeTheSameAs(hiddenNumber);
+    }
+    
+    @Test
+    public void dividingByThero_shouldThrowArithmeticException() {
+        expect(new ExceptionExpectation<ArithmeticException>(ArithmeticException.class) {
+            @Override
+            public void exec() throws ArithmeticException {
+                System.out.println(1 / 0);
+            }
+        } );
+    }
+
+}