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Copy pathInput.java
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102 lines (84 loc) · 3.43 KB
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package view;
import domain.Line;
import domain.figure.Rectangle;
import domain.figure.Triangle;
import domain.point.Point;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Scanner;
public class Input {
private static Scanner scanner = new Scanner(System.in);
public static List<Point> getPoints(String printMessage) throws IllegalArgumentException {
Viewer.viewMessage(printMessage);
String[] coordinates = getCoordinates();
List<Point> points = new ArrayList<>();
for (String coordinate : coordinates) {
List<Integer> pointNumbers = splitPointNums(coordinate);
savePoint(points, pointNumbers);
}
verifyPoint(points);
return points;
}
private static void verifyPoint(List<Point> points) throws IllegalArgumentException {
if (!CoordinateNum.isValidCoordinateNum(points.size())) {
throw new IllegalArgumentException("유효하지않은 좌표 개수입니다.");
}
if (!Rectangle.isInvalidPointNum(points)) {
verifyRect(points);
}
}
private static void verifyRect(List<Point> points) throws IllegalArgumentException {
if (!Rectangle.isValidRectPoints(points)) {
throw new IllegalArgumentException("사각형은 직사각형 좌표를 입력해야합니다.");
}
}
private static String[] getCoordinates() {
String coordinatesSource = scanner.nextLine();
return splitCoordinates(coordinatesSource);
}
private static String[] splitCoordinates(String coordinatesSource) {
return coordinatesSource.split("-");
}
private static List<Integer> splitPointNums(String coordinate) throws NumberFormatException {
List<Integer> splitPointNums = new ArrayList<>();
coordinate = coordinate.replaceAll("[()]", "");
String[] points = coordinate.split(",");
for (String pointMessage : points) {
int point = convertToNum(pointMessage);
splitPointNums.add(point);
}
return splitPointNums;
}
private static int convertToNum(String pointMessage) throws NumberFormatException {
try {
return Integer.parseInt(pointMessage);
} catch (NumberFormatException e) {
throw new NumberFormatException("좌표 자리는 숫자만 입력해야합니다");
}
}
private static void savePoint(List<Point> points, List<Integer> pointNumbers) throws IllegalArgumentException {
final int xPosition = 0;
final int yPosition = 1;
Point point = new Point(pointNumbers.get(xPosition), pointNumbers.get(yPosition));
if (isExistDuplicatePoint(points, point)) {
throw new IllegalArgumentException("위치가 같은 점(point)이 존재합니다.");
}
points.add(point);
}
static boolean isExistDuplicatePoint(List<Point> points, Point addPoint) {
return points.contains(addPoint);
}
}
enum CoordinateNum {
LINE(Line.VALID_COORDINATE_NUM),
RECT(Rectangle.VALID_COORDINATE_NUM),
TRIANGLE(Triangle.VALID_COORDINATE_NUM);
private int coordinateNum;
CoordinateNum(int coordinateNum) {
this.coordinateNum = coordinateNum;
}
public static boolean isValidCoordinateNum(int coordinateNum) {
return Arrays.stream(CoordinateNum.values()).map(shape -> shape.coordinateNum).anyMatch(num -> num == coordinateNum);
}
}