Merge pull request #201 from Java-Bom/toby/chapter5-5

토비 챕터 5.3 ~ 5.5

Author: Gobukgol

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/미디에이터패턴/MediatorPatternMain.java

@@ -0,0 +1,21 @@
+package com.javabom.toby.chapter5.term.미디에이터패턴;
+
+import com.javabom.toby.chapter5.term.미디에이터패턴.airplane.Boeing;
+import com.javabom.toby.chapter5.term.미디에이터패턴.airplane.JejuAir;
+import com.javabom.toby.chapter5.term.미디에이터패턴.mediator.AirMediator;
+import com.javabom.toby.chapter5.term.미디에이터패턴.mediator.Airport;
+
+public class MediatorPatternMain {
+    public static void main(String[] args) {
+        AirMediator airMediator = new Airport();
+
+        Boeing boeing = new Boeing(airMediator);
+        JejuAir jejuAir = new JejuAir(airMediator);
+
+        airMediator.addAirPlane(boeing);
+        airMediator.addAirPlane(jejuAir);
+
+        boeing.tryLanding();
+        jejuAir.tryLanding();
+    }
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/미디에이터패턴/airplane/AirPlane.java

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+package com.javabom.toby.chapter5.term.미디에이터패턴.airplane;
+
+import com.javabom.toby.chapter5.term.미디에이터패턴.mediator.AirMediator;
+
+public abstract class AirPlane {
+    AirMediator airMediator;
+
+    public abstract String getState();
+
+    public abstract String getName();
+
+    public void tryLanding() {
+        boolean isPossible = airMediator.alert(this);
+
+        System.out.println(getName() + "try landing : " + isPossible);
+    }
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/미디에이터패턴/airplane/Boeing.java

@@ -0,0 +1,19 @@
+package com.javabom.toby.chapter5.term.미디에이터패턴.airplane;
+
+import com.javabom.toby.chapter5.term.미디에이터패턴.mediator.AirMediator;
+
+public class Boeing extends AirPlane {
+    public Boeing(AirMediator airMediator) {
+        this.airMediator = airMediator;
+    }
+
+    @Override
+    public String getName() {
+        return "Boeing Airplane";
+    }
+
+    @Override
+    public String getState() {
+        return "LANDING";
+    }
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/미디에이터패턴/airplane/JejuAir.java

@@ -0,0 +1,19 @@
+package com.javabom.toby.chapter5.term.미디에이터패턴.airplane;
+
+import com.javabom.toby.chapter5.term.미디에이터패턴.mediator.AirMediator;
+
+public class JejuAir extends AirPlane {
+    public JejuAir(AirMediator airMediator) {
+        this.airMediator = airMediator;
+    }
+
+    @Override
+    public String getName() {
+        return "Jeju Airplane";
+    }
+
+    @Override
+    public String getState() {
+        return "FLIGHT";
+    }
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/미디에이터패턴/mediator/AirMediator.java

@@ -0,0 +1,9 @@
+package com.javabom.toby.chapter5.term.미디에이터패턴.mediator;
+
+import com.javabom.toby.chapter5.term.미디에이터패턴.airplane.AirPlane;
+
+public interface AirMediator {
+    void addAirPlane(AirPlane airPlane);
+
+    boolean alert(AirPlane airPlane);
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/미디에이터패턴/mediator/Airport.java

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+package com.javabom.toby.chapter5.term.미디에이터패턴.mediator;
+
+import com.javabom.toby.chapter5.term.미디에이터패턴.airplane.AirPlane;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Airport implements AirMediator {
+    private List<AirPlane> airPlanes;
+
+    public Airport() {
+        airPlanes = new ArrayList<>();
+    }
+
+    @Override
+    public void addAirPlane(final AirPlane airPlane) {
+        this.airPlanes.add(airPlane);
+    }
+
+    @Override
+    public boolean alert(final AirPlane airPlane) {
+        return airPlanes.stream()
+                .filter(cur -> !cur.equals(airPlane))
+                .map(AirPlane::getState)
+                .anyMatch(state -> state.equals("FLIGHT"));
+    }
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/브릿지_패턴/BridgePatternMain.java

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+package com.javabom.toby.chapter5.term.브릿지_패턴;
+
+import com.javabom.toby.chapter5.term.브릿지_패턴.draw.Draw;
+import com.javabom.toby.chapter5.term.브릿지_패턴.draw.PencilDraw;
+import com.javabom.toby.chapter5.term.브릿지_패턴.draw.BrushDraw;
+import com.javabom.toby.chapter5.term.브릿지_패턴.shape.Ellipse;
+import com.javabom.toby.chapter5.term.브릿지_패턴.shape.Square;
+
+public class BridgePatternMain {
+    public static void main(String[] args) {
+        Draw pencilDraw = new PencilDraw();
+        Draw brushDraw = new BrushDraw();
+
+        Ellipse ellipse = new Ellipse(pencilDraw);
+        Square square = new Square(brushDraw);
+
+        ellipse.drawShape();
+        square.drawShape();
+    }
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/브릿지_패턴/draw/BrushDraw.java

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+package com.javabom.toby.chapter5.term.브릿지_패턴.draw;
+
+public class BrushDraw implements Draw {
+    @Override
+    public void draw() {
+        System.out.println("draw by draw");
+    }
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/브릿지_패턴/draw/Draw.java

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+package com.javabom.toby.chapter5.term.브릿지_패턴.draw;
+
+public interface Draw {
+    void draw();
+}

spring-toby/spring-project/src/main/java/com/javabom/toby/chapter5/term/브릿지_패턴/draw/PencilDraw.java

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+package com.javabom.toby.chapter5.term.브릿지_패턴.draw;
+
+public class PencilDraw implements Draw {
+    @Override
+    public void draw() {
+        System.out.println("draw by pencil");
+    }
+}