[사다리 - 3단계] 김성환 미션 제출합니다.

src/main/java/controller/LadderController.java

@@ -16,7 +16,8 @@ public Ladder createLadder() {
     }
 
     public void printResult(Ladder ladder){
-        outputView.printResult();
+        outputView.printResultText();
         outputView.printLadder(ladder);
+        outputView.printResult(ladder.getParticipants());
     }
 }

src/main/java/domain/Ladder.java

@@ -4,10 +4,21 @@
 import java.util.List;
 
 public class Ladder {
+    private final List<Participant> participants;
     private final List<Line> lines;
 
     public Ladder(Size ladderSize, Size lineSize) {
+        this.participants = generateParticipants(lineSize);
         this.lines = generateLines(ladderSize, lineSize);
+        getResult();
+    }
+
+    private List<Participant> generateParticipants(Size lineSize) {
+        List<Participant> participants = new ArrayList<>();
+        for (int i = 0; i < lineSize.getSize(); i++) {
+            participants.add(new Participant(i));
+        }
+        return participants;
     }
 
     private List<Line> generateLines(Size ladderSize, Size lineSize) {
@@ -18,7 +29,35 @@ private List<Line> generateLines(Size ladderSize, Size lineSize) {
         return lines;
     }
 
+    private void getResult(){
+        for (Line line : lines) {
+            changeByLine(line);
+        }
+    }
+
+    private void changeByLine(Line line){
+        for(int i = 0; i< line.getPoints().size() ; i++){
+            changeByPoint(i,line.getPoints().get(i));
+        }
+    }
+
+    private void changeByPoint(int idx, Point point){
+        if(point.isConnected()){
+            swapEnds(idx);
+        }
+    }
+
+    private void swapEnds(int idx){
+        int temp = participants.get(idx).getEnd();
+        participants.get(idx).setEnd(participants.get(idx+1).getEnd());
+        participants.get(idx+1).setEnd(temp);
+    }
+
     public List<Line> getLines() {
         return lines;
     }
+
+    public List<Participant> getParticipants() {
+        return participants;
+    }
 }

src/main/java/domain/Participant.java

@@ -0,0 +1,23 @@
+package domain;
+
+public class Participant {
+    private final int start;
+    private int end;
+
+    public Participant(int start) {
+        this.start = start;
+        this.end = start;
+    }
+
+    public int getStart() {
+        return start;
+    }
+
+    public int getEnd() {
+        return end;
+    }
+
+    public void setEnd(int end) {
+        this.end = end;
+    }
+}

src/main/java/view/OutputView.java

@@ -2,11 +2,13 @@
 
 import domain.Ladder;
 import domain.Line;
+import domain.Participant;
 import domain.Point;
+import java.util.List;
 
 public class OutputView {
 
-    public void printResult(){
+    public void printResultText(){
         System.out.println("실행결과");
     }
 
@@ -25,4 +27,9 @@ public void printLine(Line line){
         System.out.print("|");
     }
 
+    public void printResult(List<Participant> participants){
+        for(Participant participant : participants){
+            System.out.println(participant.getStart() + " -> " + participant.getEnd());
+        }
+    }
 }