move design patterns to new module (#4206)

* move design patterns to new module

* fix logger import

core-java/src/main/java/com/baeldung/designpatterns/creational/abstractfactory/Color.java

@@ -1,5 +0,0 @@
-package com.baeldung.designpatterns.creational.abstractfactory;
-
-public interface Color {
-    String getColor();
-}

core-java/src/main/java/com/baeldung/designpatterns/creational/factory/Polygon.java

@@ -1,5 +0,0 @@
-package com.baeldung.designpatterns.creational.factory;
-
-public interface Polygon {
-    String getType();
-}

core-java/src/main/java/com/baeldung/numberofdigits/NumberOfDigitsDriver.java

@@ -1,10 +1,12 @@
 package com.baeldung.numberofdigits;
 
-import static com.baeldung.designpatterns.util.LogerUtil.LOG;
+import org.apache.log4j.Logger;
 
 public class NumberOfDigitsDriver {
     private static NumberOfDigits numberOfDigits;
     
+    private static Logger LOG = Logger.getLogger(NumberOfDigitsDriver.class);
+    
     static {
         numberOfDigits = new NumberOfDigits();
     }

patterns/design-patterns/pom.xml

@@ -1,12 +1,12 @@
 <?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.pattern.templatemethod</groupId>
-    <artifactId>pattern.templatemethod</artifactId>
+    <groupId>com.baeldung</groupId>
+    <artifactId>design-patterns</artifactId>
     <version>1.0</version>
     <packaging>jar</packaging>
     <parent>
-        <groupId>com.baeldung.patterns</groupId>
+        <groupId>com.baeldung</groupId>
         <artifactId>patterns-parent</artifactId>
         <version>1.0.0-SNAPSHOT</version>
         <relativePath>..</relativePath>
@@ -19,7 +19,7 @@
             <version>4.12</version>
             <scope>test</scope>
         </dependency>
-	<dependency>
+		<dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>hamcrest-core</artifactId>
             <version>1.3</version>
@@ -31,10 +31,22 @@
             <version>3.8.0</version>
             <scope>test</scope>
         </dependency>
+          <dependency>
+            <groupId>log4j</groupId>
+            <artifactId>log4j</artifactId>
+            <version>${log4j.version}</version>
+        </dependency>
+           <dependency>
+            <groupId>com.googlecode.grep4j</groupId>
+            <artifactId>grep4j</artifactId>
+            <version>${grep4j.version}</version>
+        </dependency>
     </dependencies>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-    </properties>	
+        <log4j.version>1.2.17</log4j.version>
+          <grep4j.version>1.8.7</grep4j.version>
+    </properties>
 </project>

patterns/design-patterns/src/main/java/com/baeldung/adapter/AdapterPatternDriver.java

@@ -1,6 +1,6 @@
-package com.baeldung.designpatterns.adapter;
+package com.baeldung.adapter;
 
-import static com.baeldung.designpatterns.util.LogerUtil.LOG;
+import static com.baeldung.util.LogerUtil.LOG;
 
 public class AdapterPatternDriver {
     

patterns/design-patterns/src/main/java/com/baeldung/adapter/AstonMartin.java

@@ -1,8 +1,8 @@
-package com.baeldung.designpatterns.adapter;
-
-public class AstonMartin implements Movable {
-    @Override
-    public double getSpeed() {
-        return 220;
-    }
-}
+package com.baeldung.adapter;
+
+public class AstonMartin implements Movable {
+    @Override
+    public double getSpeed() {
+        return 220;
+    }
+}

patterns/design-patterns/src/main/java/com/baeldung/adapter/BugattiVeyron.java

@@ -1,8 +1,8 @@
-package com.baeldung.designpatterns.adapter;
-
-public class BugattiVeyron implements Movable {
-    @Override
-    public double getSpeed() {
-        return 268;
-    }
-}
+package com.baeldung.adapter;
+
+public class BugattiVeyron implements Movable {
+    @Override
+    public double getSpeed() {
+        return 268;
+    }
+}

patterns/design-patterns/src/main/java/com/baeldung/adapter/McLaren.java

@@ -1,8 +1,8 @@
-package com.baeldung.designpatterns.adapter;
-
-public class McLaren implements Movable {
-    @Override
-    public double getSpeed() {
-        return 241;
-    }
-}
+package com.baeldung.adapter;
+
+public class McLaren implements Movable {
+    @Override
+    public double getSpeed() {
+        return 241;
+    }
+}

patterns/design-patterns/src/main/java/com/baeldung/adapter/Movable.java

@@ -1,6 +1,6 @@
-package com.baeldung.designpatterns.adapter;
-
-public interface Movable {
-    // returns speed in MPH 
-    double getSpeed();
+package com.baeldung.adapter;
+
+public interface Movable {
+    // returns speed in MPH 
+    double getSpeed();
 }

patterns/design-patterns/src/main/java/com/baeldung/adapter/MovableAdapter.java

@@ -1,4 +1,4 @@
-package com.baeldung.designpatterns.adapter;
+package com.baeldung.adapter;
 
 public interface MovableAdapter {
     // returns speed in KMPH 

patterns/design-patterns/src/main/java/com/baeldung/adapter/MovableAdapterImpl.java

@@ -1,4 +1,4 @@
-package com.baeldung.designpatterns.adapter;
+package com.baeldung.adapter;
 
 public class MovableAdapterImpl implements MovableAdapter {
     private Movable luxuryCars;

patterns/design-patterns/src/main/java/com/baeldung/bridge/Blue.java

@@ -1,4 +1,4 @@
-package com.baeldung.designpatterns.bridge;
+package com.baeldung.bridge;
 
 public class Blue implements Color {
     @Override

patterns/design-patterns/src/main/java/com/baeldung/bridge/BridgePatternDriver.java

@@ -1,4 +1,4 @@
-package com.baeldung.designpatterns.bridge;
+package com.baeldung.bridge;
 
 public class BridgePatternDriver {
 

patterns/design-patterns/src/main/java/com/baeldung/bridge/Color.java

@@ -1,4 +1,4 @@
-package com.baeldung.designpatterns.bridge;
+package com.baeldung.bridge;
 
 public interface Color {
     String fill();

patterns/design-patterns/src/main/java/com/baeldung/bridge/Red.java

@@ -1,4 +1,4 @@
-package com.baeldung.designpatterns.bridge;
+package com.baeldung.bridge;
 
 public class Red implements Color {
 

patterns/design-patterns/src/main/java/com/baeldung/bridge/Shape.java

@@ -1,4 +1,4 @@
-package com.baeldung.designpatterns.bridge;
+package com.baeldung.bridge;
 
 public abstract class Shape {
     protected Color color;

patterns/design-patterns/src/main/java/com/baeldung/bridge/Square.java

@@ -1,4 +1,4 @@
-package com.baeldung.designpatterns.bridge;
+package com.baeldung.bridge;
 
 public class Square extends Shape {
 

patterns/design-patterns/src/main/java/com/baeldung/bridge/Triangle.java

@@ -1,4 +1,4 @@
-package com.baeldung.designpatterns.bridge;
+package com.baeldung.bridge;
 
 public class Triangle extends Shape {