Merge remote-tracking branch 'upstream/master'

README.md

@@ -1,9 +1,14 @@
 
 The "REST with Spring" Classes
 ==============================
+
 After 5 months of work, here's the Master Class of REST With Spring: <br/>
 **[>> THE REST WITH SPRING MASTER CLASS](http://www.baeldung.com/rest-with-spring-course?utm_source=github&utm_medium=social&utm_content=tutorials&utm_campaign=rws#master-class)**
 
+And here's the Master Class of Learn Spring Security: <br/>
+**[>> LEARN SPRING SECURITY MASTER CLASS](http://www.baeldung.com/learn-spring-security-course?utm_source=github&utm_medium=social&utm_content=tutorials&utm_campaign=lss#master-class)**
+
+
 
 Spring Tutorials
 ================

core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Data.java

@@ -0,0 +1,33 @@
+package com.baeldung.concurrent.waitandnotify;
+
+public class Data {
+    private String packet;
+    
+    // True if receiver should wait
+    // False if sender should wait
+    private boolean transfer = true;
+ 
+    public synchronized String receive() {
+        while (transfer) {
+            try {
+                wait();
+            } catch (InterruptedException e) {}
+        }
+        transfer = true;
+
+        notifyAll();
+        return packet;
+    }
+ 
+    public synchronized void send(String packet) {
+        while (!transfer) {
+            try { 
+                wait();
+            } catch (InterruptedException e) {}
+        }
+        transfer = false;
+        
+        this.packet = packet;
+        notifyAll();
+    }
+}

core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/NetworkDriver.java

@@ -0,0 +1,12 @@
+package com.baeldung.concurrent.waitandnotify;
+
+public class NetworkDriver {
+    public static void main(String[] args) {
+        Data data = new Data();
+        Thread sender = new Thread(new Sender(data));
+        Thread receiver = new Thread(new Receiver(data));
+        
+        sender.start();
+        receiver.start();
+    }
+}

core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Receiver.java

@@ -0,0 +1,25 @@
+package com.baeldung.concurrent.waitandnotify;
+
+import java.util.concurrent.ThreadLocalRandom;
+
+public class Receiver implements Runnable {
+    private Data load;
+ 
+    public Receiver(Data load) {
+        this.load = load;
+    }
+ 
+    public void run() {
+        for(String receivedMessage = load.receive();
+          !"End".equals(receivedMessage) ;
+          receivedMessage = load.receive()) {
+            
+            System.out.println(receivedMessage);
+
+            //Thread.sleep() to mimic heavy server-side processing
+            try {
+                Thread.sleep(ThreadLocalRandom.current().nextInt(1000, 5000));
+            } catch (InterruptedException e) {}
+        }
+    }
+}

core-java-concurrency/src/main/java/com/baeldung/concurrent/waitandnotify/Sender.java

@@ -0,0 +1,30 @@
+package com.baeldung.concurrent.waitandnotify;
+
+import java.util.concurrent.ThreadLocalRandom;
+
+public class Sender implements Runnable {
+    private Data data;
+ 
+    public Sender(Data data) {
+        this.data = data;
+    }
+ 
+    public void run() {
+        String packets[] = {
+            "First packet",
+            "Second packet",
+            "Third packet",
+            "Fourth packet",
+            "End"
+        };
+ 
+        for (String packet : packets) {
+            data.send(packet);
+            
+            //Thread.sleep() to mimic heavy server-side processing
+            try {
+                Thread.sleep(ThreadLocalRandom.current().nextInt(1000, 5000));
+            } catch (InterruptedException e) {}
+        }
+    }
+}

core-java-concurrency/src/test/java/com/baeldung/concurrent/waitandnotify/NetworkIntegrationTest.java

@@ -0,0 +1,65 @@
+package com.baeldung.concurrent.waitandnotify;
+
+import static org.junit.Assert.assertEquals;
+
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class NetworkIntegrationTest {
+
+	private final ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+	private final ByteArrayOutputStream errContent = new ByteArrayOutputStream();
+	private String expected;
+	
+	@Before
+	public void setUpStreams() {
+	    System.setOut(new PrintStream(outContent));
+	    System.setErr(new PrintStream(errContent));
+	}
+	
+	@Before
+	public void setUpExpectedOutput() {
+		StringWriter expectedStringWriter = new StringWriter();
+		
+		PrintWriter printWriter = new PrintWriter(expectedStringWriter);
+		printWriter.println("First packet");
+		printWriter.println("Second packet");
+		printWriter.println("Third packet");
+		printWriter.println("Fourth packet");
+		printWriter.close();
+		
+		expected = expectedStringWriter.toString();
+	}
+
+	@After
+	public void cleanUpStreams() {
+	    System.setOut(null);
+	    System.setErr(null);
+	}
+	
+	@Test
+	public void givenSenderAndReceiver_whenSendingPackets_thenNetworkSynchronized() {
+        Data data = new Data();
+        Thread sender = new Thread(new Sender(data));
+        Thread receiver = new Thread(new Receiver(data));
+        
+        sender.start();
+        receiver.start();
+        
+        //wait for sender and receiver to finish before we test against expected
+        try {
+			sender.join();
+			receiver.join();
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}
+		
+	    assertEquals(expected, outContent.toString());
+	}
+}

core-java/src/main/java/com/baeldung/nestedclass/Enclosing.java

@@ -1,11 +0,0 @@
-package com.baeldung.nestedclass;
-
-public class Enclosing {
-
-    public static class Nested {
-
-        public void test() {
-            System.out.println("Calling test...");
-        }
-    }
-}

core-java/src/main/java/com/baeldung/nestedclass/Outer.java

@@ -1,11 +0,0 @@
-package com.baeldung.nestedclass;
-
-public class Outer {
-
-    public class Inner {
-
-        public void test() {
-            System.out.println("Calling test...");
-        }
-    }
-}

core-java/src/main/java/com/baeldung/nestedclass/SimpleAbstractClass.java

@@ -1,5 +0,0 @@
-package com.baeldung.nestedclass;
-
-abstract class SimpleAbstractClass {
-    abstract void run();
-}

core-java/src/main/java/com/baeldung/polymorphism/FileManager.java

@@ -0,0 +1,38 @@
+package com.baeldung.polymorphism;
+
+import java.awt.image.BufferedImage;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class FileManager {
+
+    final static Logger logger = LoggerFactory.getLogger(FileManager.class);
+
+    public static void main(String[] args) {
+        GenericFile file1 = new TextFile("SampleTextFile", "This is a sample text content", "v1.0.0");
+        logger.info("File Info: \n" + file1.getFileInfo() + "\n");
+        ImageFile imageFile = new ImageFile("SampleImageFile", 200, 100, new BufferedImage(100, 200, BufferedImage.TYPE_INT_RGB).toString()
+            .getBytes(), "v1.0.0");
+        logger.info("File Info: \n" + imageFile.getFileInfo());
+    }
+
+    public static ImageFile createImageFile(String name, int height, int width, byte[] content, String version) {
+        ImageFile imageFile = new ImageFile(name, height, width, content, version);
+        logger.info("File 2 Info: \n" + imageFile.getFileInfo());
+        return imageFile;
+    }
+
+    public static GenericFile createTextFile(String name, String content, String version) {
+        GenericFile file1 = new TextFile(name, content, version);
+        logger.info("File 1 Info: \n" + file1.getFileInfo() + "\n");
+        return file1;
+    }
+    
+    public static TextFile createTextFile2(String name, String content, String version) {
+        TextFile file1 = new TextFile(name, content, version);
+        logger.info("File 1 Info: \n" + file1.getFileInfo() + "\n");
+        return file1;
+    }
+
+}

core-java/src/main/java/com/baeldung/polymorphism/GenericFile.java

@@ -0,0 +1,63 @@
+package com.baeldung.polymorphism;
+
+import java.util.Date;
+
+public class GenericFile {
+    private String name;
+    private String extension;
+    private Date dateCreated;
+    private String version;
+    private byte[] content;
+
+    public GenericFile() {
+        this.setDateCreated(new Date());
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getExtension() {
+        return extension;
+    }
+
+    public void setExtension(String extension) {
+        this.extension = extension;
+    }
+
+    public Date getDateCreated() {
+        return dateCreated;
+    }
+
+    public void setDateCreated(Date dateCreated) {
+        this.dateCreated = dateCreated;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    public void setVersion(String version) {
+        this.version = version;
+    }
+
+    public byte[] getContent() {
+        return content;
+    }
+
+    public void setContent(byte[] content) {
+        this.content = content;
+    }
+
+    public String getFileInfo() {
+        return "File Name: " + this.getName() + "\n" + "Extension: " + this.getExtension() + "\n" + "Date Created: " + this.getDateCreated() + "\n" + "Version: " + this.getVersion() + "\n";
+    }
+
+    public Object read() {
+        return content;
+    }
+}

core-java/src/main/java/com/baeldung/polymorphism/ImageFile.java

@@ -0,0 +1,41 @@
+package com.baeldung.polymorphism;
+
+public class ImageFile extends GenericFile {
+    private int height;
+    private int width;
+
+    public ImageFile(String name, int height, int width, byte[] content, String version) {
+        this.setHeight(height);
+        this.setWidth(width);
+        this.setContent(content);
+        this.setName(name);
+        this.setVersion(version);
+        this.setExtension(".jpg");
+    }
+
+    public int getHeight() {
+        return height;
+    }
+
+    public void setHeight(int height) {
+        this.height = height;
+    }
+
+    public int getWidth() {
+        return width;
+    }
+
+    public void setWidth(int width) {
+        this.width = width;
+    }
+
+    public String getFileInfo() {
+        return super.getFileInfo() + "Height: " + this.getHeight() + "\n" + "Width: " + this.getWidth();
+    }
+
+    public String read() {
+        return this.getContent()
+            .toString();
+    }
+
+}

core-java/src/main/java/com/baeldung/polymorphism/TextFile.java

@@ -0,0 +1,44 @@
+package com.baeldung.polymorphism;
+
+public class TextFile extends GenericFile {
+    private int wordCount;
+
+    public TextFile(String name, String content, String version) {
+        String[] words = content.split(" ");
+        this.setWordCount(words.length > 0 ? words.length : 1);
+        this.setContent(content.getBytes());
+        this.setName(name);
+        this.setVersion(version);
+        this.setExtension(".txt");
+    }
+
+    public int getWordCount() {
+        return wordCount;
+    }
+
+    public void setWordCount(int wordCount) {
+        this.wordCount = wordCount;
+    }
+
+    public String getFileInfo() {
+        return super.getFileInfo() + "Word Count: " + wordCount;
+    }
+
+    public String read() {
+        return this.getContent()
+            .toString();
+    }
+
+    public String read(int limit) {
+        return this.getContent()
+            .toString()
+            .substring(0, limit);
+    }
+
+    public String read(int start, int stop) {
+        return this.getContent()
+            .toString()
+            .substring(start, stop);
+    }
+
+}

core-java/src/test/java/com/baeldung/nestedclass/AnonymousInner.java

@@ -2,10 +2,14 @@ package com.baeldung.nestedclass;
 
 import org.junit.Test;
 
-public class AnonymousInnerTest {
+abstract class SimpleAbstractClass {
+    abstract void run();
+}
+
+public class AnonymousInner {
 
     @Test
-    public void whenRunAnonymousClass_thenCorrect() {
+    public void run() {
         SimpleAbstractClass simpleAbstractClass = new SimpleAbstractClass() {
             void run() {
                 System.out.println("Running Anonymous Class...");

core-java/src/test/java/com/baeldung/nestedclass/Enclosing.java

@@ -0,0 +1,21 @@
+package com.baeldung.nestedclass;
+
+import org.junit.Test;
+
+public class Enclosing {
+
+    private static int x = 1;
+
+    public static class StaticNested {
+
+        private void run() {
+            System.out.println("x = " + x);
+        }
+    }
+
+    @Test
+    public void test() {
+        Enclosing.StaticNested nested = new Enclosing.StaticNested();
+        nested.run();
+    }
+}

core-java/src/test/java/com/baeldung/nestedclass/InnerClassTest.java

@@ -1,13 +0,0 @@
-package com.baeldung.nestedclass;
-
-import org.junit.Test;
-
-public class InnerClassTest {
-
-    @Test
-    public void givenInnerClassWhenInstantiating_thenCorrect() {
-        Outer outer = new Outer();
-        Outer.Inner inner = outer.new Inner();
-        inner.test();
-    }
-}

core-java/src/test/java/com/baeldung/nestedclass/LocalClassTest.java

@@ -1,12 +0,0 @@
-package com.baeldung.nestedclass;
-
-import org.junit.Test;
-
-public class LocalClassTest {
-
-    @Test
-    public void whenTestingLocalClass_thenCorrect() {
-        NewEnclosing newEnclosing = new NewEnclosing();
-        newEnclosing.run();
-    }
-}

core-java/src/test/java/com/baeldung/nestedclass/NestedClassTest.java

@@ -1,12 +0,0 @@
-package com.baeldung.nestedclass;
-
-import org.junit.Test;
-
-public class NestedClassTest {
-
-    @Test
-    public void whenInstantiatingStaticNestedClass_thenCorrect() {
-        Enclosing.Nested nested = new Enclosing.Nested();
-        nested.test();
-    }
-}

core-java/src/test/java/com/baeldung/nestedclass/NewEnclosing.java

@@ -1,10 +1,11 @@
 package com.baeldung.nestedclass;
 
+import org.junit.Test;
+
 public class NewEnclosing {
 
-    void run() {
+    private void run() {
         class Local {
-
             void run() {
                 System.out.println("Welcome to Baeldung!");
             }
@@ -12,4 +13,10 @@ public class NewEnclosing {
         Local local = new Local();
         local.run();
     }
+
+    @Test
+    public void test() {
+        NewEnclosing newEnclosing = new NewEnclosing();
+        newEnclosing.run();
+    }
 }

core-java/src/test/java/com/baeldung/nestedclass/NewOuter.java

@@ -0,0 +1,30 @@
+package com.baeldung.nestedclass;
+
+import org.junit.Test;
+
+public class NewOuter {
+
+    int a = 1;
+    static int b = 2;
+
+    public class InnerClass {
+        int a = 3;
+        static final int b = 4;
+
+        public void run() {
+            System.out.println("a = " + a);
+            System.out.println("b = " + b);
+            System.out.println("NewOuterTest.this.a = " + NewOuter.this.a);
+            System.out.println("NewOuterTest.b = " + NewOuter.b);
+            System.out.println("NewOuterTest.this.b = " + NewOuter.this.b);
+        }
+    }
+
+    @Test
+    public void test() {
+        NewOuter outer = new NewOuter();
+        NewOuter.InnerClass inner = outer.new InnerClass();
+        inner.run();
+
+    }
+}

core-java/src/test/java/com/baeldung/nestedclass/NewOuterTest.java

@@ -1,32 +0,0 @@
-package com.baeldung.nestedclass;
-
-import static org.junit.Assert.assertEquals;
-import org.junit.Test;
-
-public class NewOuterTest {
-
-    int a = 1;
-    static int b = 2;
-
-    public class InnerClass {
-        int a = 3;
-        static final int b = 4;
-
-        @Test
-        public void whenShadowing_thenCorrect() {
-            assertEquals(3, a);
-            assertEquals(4, b);
-            assertEquals(1, NewOuterTest.this.a);
-            assertEquals(2, NewOuterTest.b);
-            assertEquals(2, NewOuterTest.this.b);
-        }
-    }
-
-    @Test
-    public void shadowingTest() {
-        NewOuterTest outer = new NewOuterTest();
-        NewOuterTest.InnerClass inner = outer.new InnerClass();
-        inner.whenShadowing_thenCorrect();
-
-    }
-}

core-java/src/test/java/com/baeldung/nestedclass/Outer.java

@@ -0,0 +1,20 @@
+package com.baeldung.nestedclass;
+
+import org.junit.Test;
+
+public class Outer {
+
+    public class Inner {
+
+        public void run() {
+            System.out.println("Calling test...");
+        }
+    }
+
+    @Test
+    public void test() {
+        Outer outer = new Outer();
+        Outer.Inner inner = outer.new Inner();
+        inner.run();
+    }
+}

core-java/src/test/java/com/baeldung/polymorphism/PolymorphismUnitTest.java

@@ -0,0 +1,34 @@
+package com.baeldung.polymorphism;
+
+import static org.junit.Assert.*;
+
+import java.awt.image.BufferedImage;
+
+import org.junit.Ignore;
+import org.junit.Test;
+
+public class PolymorphismUnitTest {
+
+    @Test
+    public void givenImageFile_whenFileCreated_shouldSucceed() {
+        ImageFile imageFile = FileManager.createImageFile("SampleImageFile", 200, 100, new BufferedImage(100, 200, BufferedImage.TYPE_INT_RGB).toString()
+            .getBytes(), "v1.0.0");
+        assertEquals(200, imageFile.getHeight());
+    }
+
+    // Downcasting then Upcasting
+    @Test
+    public void givenTextFile_whenTextFileCreatedAndAssignedToGenericFileAndCastBackToTextFileOnGetWordCount_shouldSucceed() {
+        GenericFile textFile = FileManager.createTextFile("SampleTextFile", "This is a sample text content", "v1.0.0");
+        TextFile textFile2 = (TextFile) textFile;
+        assertEquals(6, textFile2.getWordCount());
+    }
+
+    // Downcasting
+    @Test(expected = ClassCastException.class)
+    public void givenGenericFile_whenCastToTextFileAndInvokeGetWordCount_shouldFail() {
+        GenericFile genericFile = new GenericFile();
+        TextFile textFile = (TextFile) genericFile;
+        System.out.println(textFile.getWordCount());
+    }
+}

guava-modules/guava-18/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <dependencies>

guava-modules/guava-19/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>
+        <relativePath>../../</relativePath>
     </parent>
 
     <dependencies>

guava-modules/guava-21/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
      </parent>
 
     <dependencies>

logging-modules/log-mdc/pom.xml

@@ -12,7 +12,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <dependencies>

logging-modules/log4j/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <dependencies>

logging-modules/log4j2/pom.xml

@@ -9,7 +9,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>
+        <relativePath>../../</relativePath>
     </parent>
 
     <dependencies>

persistence-modules/java-cassandra/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
      </parent>
      
     <dependencies>

persistence-modules/java-mongodb/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>                
+        <relativePath>../../</relativePath>                
      </parent>
      
     <dependencies>

persistence-modules/liquibase/pom.xml

@@ -6,7 +6,7 @@
         <artifactId>parent-modules</artifactId>
         <groupId>com.baeldung</groupId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
     <modelVersion>4.0.0</modelVersion>
 

persistence-modules/querydsl/pom.xml

@@ -15,7 +15,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <properties>

persistence-modules/redis/pom.xml

@@ -15,7 +15,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <dependencies>

persistence-modules/solr/pom.xml

@@ -12,7 +12,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <properties>

persistence-modules/spring-data-cassandra/pom.xml

@@ -13,7 +13,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <properties>

persistence-modules/spring-data-gemfire/pom.xml

@@ -12,7 +12,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <properties>

persistence-modules/spring-data-neo4j/pom.xml

@@ -10,7 +10,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <dependencies>

persistence-modules/spring-data-redis/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <properties>

persistence-modules/spring-data-solr/pom.xml

@@ -12,7 +12,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <properties>

persistence-modules/spring-hibernate-3/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <dependencies>

persistence-modules/spring-hibernate-5/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <dependencies>

pom.xml

@@ -141,6 +141,7 @@
         <module>spark-java</module>
       <!--  <module>spring-5</module>-->
         <module>spring-5-mvc</module>
+        <module>spring-acl</module>
         <module>spring-activiti</module>
         <module>spring-akka</module>
         <module>spring-amqp</module>

spring-acl/pom.xml

@@ -0,0 +1,66 @@
+<?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

@@ -0,0 +1,80 @@
+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

@@ -0,0 +1,21 @@
+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

@@ -0,0 +1,16 @@
+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

@@ -0,0 +1,24 @@
+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

@@ -0,0 +1,29 @@
+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

@@ -0,0 +1,28 @@
+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

@@ -0,0 +1,58 @@
+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

@@ -0,0 +1,12 @@
+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

@@ -0,0 +1,119 @@
+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-security-mvc-boot/src/main/java/org/baeldung/Application.java

@@ -5,12 +5,13 @@ import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
 import org.springframework.boot.web.support.SpringBootServletInitializer;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.FilterType;
 
 @Configuration
 @EnableAutoConfiguration
-@ComponentScan(excludeFilters = { @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.voter.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multipleauthproviders.*"),
+@ComponentScan({ "org.baeldung.config", "org.baeldung.persistence", "org.baeldung.security", "org.baeldung.web" })
-        @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multiplelogin.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multipleentrypoints.*") })
+// @ComponentScan(excludeFilters = { @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.voter.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multipleauthproviders.*"),
+// @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multiplelogin.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.multipleentrypoints.*"),
+// @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.rolesauthorities.*"), @ComponentScan.Filter(type = FilterType.REGEX, pattern = "org.baeldung.acl.*") })
 public class Application extends SpringBootServletInitializer {
     public static void main(String[] args) {
         SpringApplication.run(Application.class, args);

testing-modules/groovy-spock/pom.xml

@@ -17,7 +17,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>
+        <relativePath>../../</relativePath>
     </parent>
 
     <build>

testing-modules/junit-5/pom.xml

@@ -14,7 +14,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <properties>

testing-modules/mockito-2/pom.xml

@@ -12,7 +12,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>
+        <relativePath>../../</relativePath>
     </parent>
 
     <profiles>

testing-modules/mockito/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>
+        <relativePath>../../</relativePath>
     </parent>
 
     <dependencies>

testing-modules/mocks/pom.xml

@@ -6,7 +6,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>
+        <relativePath>../../</relativePath>
     </parent>
 
     <artifactId>mocks</artifactId>

testing-modules/rest-assured/pom.xml

@@ -10,7 +10,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>
+        <relativePath>../../</relativePath>
     </parent>
 
     <dependencies>

testing-modules/rest-testing/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <dependencies>

testing-modules/selenium-junit-testng/pom.xml

@@ -9,7 +9,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>        
+        <relativePath>../../</relativePath>        
     </parent>
 
     <build>

testing-modules/testing/pom.xml

@@ -10,7 +10,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>
+        <relativePath>../../</relativePath>
     </parent>
 
     <dependencies>

testing-modules/testng/pom.xml

@@ -11,7 +11,7 @@
         <groupId>com.baeldung</groupId>
         <artifactId>parent-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
-        <relativePath>../</relativePath>
+        <relativePath>../../</relativePath>
     </parent>
 
     <dependencies>