added bridge sample

bridge/pom.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>com.iluwatar</groupId>
+    <artifactId>java-design-patterns</artifactId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+  <groupId>com.iluwatar</groupId>
+  <artifactId>bridge</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <name>bridge</name>
+  <url>http://maven.apache.org</url>
+  <dependencies>
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+</project>

bridge/src/main/java/com/iluwatar/App.java

@@ -0,0 +1,26 @@
+package com.iluwatar;
+
+public class App 
+{
+    public static void main( String[] args )
+    {
+    	BlindingMagicWeapon blindingMagicWeapon = new BlindingMagicWeapon(new Excalibur());
+    	blindingMagicWeapon.wield();
+    	blindingMagicWeapon.blind();
+    	blindingMagicWeapon.swing();
+    	blindingMagicWeapon.unwield();
+    	
+    	FlyingMagicWeapon flyingMagicWeapon = new FlyingMagicWeapon(new Mjollnir());
+    	flyingMagicWeapon.wield();
+    	flyingMagicWeapon.fly();
+    	flyingMagicWeapon.swing();
+    	flyingMagicWeapon.unwield();
+    	
+    	SoulEatingMagicWeapon soulEatingMagicWeapon = new SoulEatingMagicWeapon(new Stormbringer());
+    	soulEatingMagicWeapon.wield();
+    	soulEatingMagicWeapon.swing();
+    	soulEatingMagicWeapon.eatSoul();
+    	soulEatingMagicWeapon.unwield();
+    	
+    }
+}

bridge/src/main/java/com/iluwatar/BlindingMagicWeapon.java

@@ -0,0 +1,33 @@
+package com.iluwatar;
+
+public class BlindingMagicWeapon extends MagicWeapon {
+
+	public BlindingMagicWeapon(BlindingMagicWeaponImp imp) {
+		super(imp);
+	}
+
+	@Override
+	public BlindingMagicWeaponImp getImp() {
+		return (BlindingMagicWeaponImp) imp;
+	}
+	
+	@Override
+	public void wield() {
+		getImp().wieldImp();
+	}
+
+	@Override
+	public void swing() {
+		getImp().swingImp();
+	}
+
+	@Override
+	public void unwield() {
+		getImp().unwieldImp();
+	}
+
+	public void blind() {
+		getImp().blindImp();
+	}
+	
+}

bridge/src/main/java/com/iluwatar/BlindingMagicWeaponImp.java

@@ -0,0 +1,7 @@
+package com.iluwatar;
+
+public abstract class BlindingMagicWeaponImp extends MagicWeaponImp {
+
+	public abstract void blindImp();
+
+}

bridge/src/main/java/com/iluwatar/Excalibur.java

@@ -0,0 +1,25 @@
+package com.iluwatar;
+
+public class Excalibur extends BlindingMagicWeaponImp {
+
+	@Override
+	public void wieldImp() {
+		System.out.println("wielding Excalibur");
+	}
+
+	@Override
+	public void swingImp() {
+		System.out.println("swinging Excalibur");
+	}
+
+	@Override
+	public void unwieldImp() {
+		System.out.println("unwielding Excalibur");
+	}
+
+	@Override
+	public void blindImp() {
+		System.out.println("bright light streams from Excalibur blinding the enemy");
+	}
+
+}

bridge/src/main/java/com/iluwatar/FlyingMagicWeapon.java

@@ -0,0 +1,32 @@
+package com.iluwatar;
+
+public class FlyingMagicWeapon extends MagicWeapon {
+
+	public FlyingMagicWeapon(FlyingMagicWeaponImp imp) {
+		super(imp);
+	}
+	
+	public FlyingMagicWeaponImp getImp() {
+		return (FlyingMagicWeaponImp) imp;
+	}
+	
+	@Override
+	public void wield() {
+		getImp().wieldImp();
+	}
+
+	@Override
+	public void swing() {
+		getImp().swingImp();
+	}
+
+	@Override
+	public void unwield() {
+		getImp().unwieldImp();
+	}
+
+	public void fly() {
+		getImp().flyImp();
+	}
+	
+}

bridge/src/main/java/com/iluwatar/FlyingMagicWeaponImp.java

@@ -0,0 +1,7 @@
+package com.iluwatar;
+
+public abstract class FlyingMagicWeaponImp extends MagicWeaponImp {
+
+	public abstract void flyImp();
+
+}

bridge/src/main/java/com/iluwatar/MagicWeapon.java

@@ -0,0 +1,21 @@
+package com.iluwatar;
+
+public abstract class MagicWeapon {
+
+	protected MagicWeaponImp imp;
+	
+	public MagicWeapon(MagicWeaponImp imp) {
+		this.imp = imp;
+	}
+	
+	public abstract void wield();
+	
+	public abstract void swing();
+	
+	public abstract void unwield();
+	
+	public MagicWeaponImp getImp() {
+		return imp;
+	}
+	
+}

bridge/src/main/java/com/iluwatar/MagicWeaponImp.java

@@ -0,0 +1,11 @@
+package com.iluwatar;
+
+public abstract class MagicWeaponImp {
+
+	public abstract void wieldImp();
+	
+	public abstract void swingImp();
+	
+	public abstract void unwieldImp();
+	
+}

bridge/src/main/java/com/iluwatar/Mjollnir.java

@@ -0,0 +1,25 @@
+package com.iluwatar;
+
+public class Mjollnir extends FlyingMagicWeaponImp {
+
+	@Override
+	public void wieldImp() {
+		System.out.println("wielding Mjollnir");
+	}
+
+	@Override
+	public void swingImp() {
+		System.out.println("swinging Mjollnir");
+	}
+
+	@Override
+	public void unwieldImp() {
+		System.out.println("unwielding Mjollnir");
+	}
+
+	@Override
+	public void flyImp() {
+		System.out.println("Mjollnir hits the enemy in the air and returns back to the owner's hand");
+	}
+
+}

bridge/src/main/java/com/iluwatar/SoulEatingMagicWeapon.java

@@ -0,0 +1,33 @@
+package com.iluwatar;
+
+public class SoulEatingMagicWeapon extends MagicWeapon {
+
+	public SoulEatingMagicWeapon(SoulEatingMagicWeaponImp imp) {
+		super(imp);
+	}
+	
+	@Override
+	public SoulEatingMagicWeaponImp getImp() {
+		return (SoulEatingMagicWeaponImp) imp;
+	}
+	
+	@Override
+	public void wield() {
+		getImp().wieldImp();
+	}
+
+	@Override
+	public void swing() {
+		getImp().swingImp();
+	}
+
+	@Override
+	public void unwield() {
+		getImp().unwieldImp();
+	}
+
+	public void eatSoul() {
+		getImp().eatSoulImp();
+	}
+	
+}

bridge/src/main/java/com/iluwatar/SoulEatingMagicWeaponImp.java

@@ -0,0 +1,7 @@
+package com.iluwatar;
+
+public abstract class SoulEatingMagicWeaponImp extends MagicWeaponImp {
+
+	public abstract void eatSoulImp();
+	
+}

bridge/src/main/java/com/iluwatar/Stormbringer.java

@@ -0,0 +1,25 @@
+package com.iluwatar;
+
+public class Stormbringer extends SoulEatingMagicWeaponImp {
+
+	@Override
+	public void wieldImp() {
+		System.out.println("wielding Stormbringer");
+	}
+
+	@Override
+	public void swingImp() {
+		System.out.println("swinging Stormbringer");
+	}
+
+	@Override
+	public void unwieldImp() {
+		System.out.println("unwielding Stormbringer");
+	}
+
+	@Override
+	public void eatSoulImp() {
+		System.out.println("Stormbringer devours the enemy's soul");
+	}
+
+}

pom.xml

@@ -24,5 +24,6 @@
     <module>prototype</module>
     <module>singleton</module>
     <module>adapter</module>
+    <module>bridge</module>
   </modules>
 </project>