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Column.java
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89 lines (68 loc) · 1.63 KB
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package chess;
public enum Column {
A,
B,
C,
D,
E,
F,
G,
H;
public static Column change(char value) {
if (value == 'A') {
return A;
}
if (value == 'B') {
return B;
}
if (value == 'C') {
return C;
}
if (value == 'D') {
return D;
}
if (value == 'E') {
return E;
}
if (value == 'F') {
return F;
}
if (value == 'G') {
return G;
}
if (value == 'H') {
return H;
}
throw new IllegalArgumentException("[ERROR] 그런 열은 없어용");
}
public boolean isFarLeft() {
return ordinal() == 0;
}
public boolean isFarRight() {
return ordinal() + 1 == values().length;
}
public boolean canMoveLeft(final int step) {
return ordinal() - step >= 0;
}
public Column moveLeft() {
return moveLeft(1);
}
public Column moveLeft(final int step) {
if (canMoveLeft(step)) {
return values()[ordinal() - step];
}
throw new IllegalStateException("움직일 수 없는 위치입니다.");
}
public boolean canMoveRight(final int step) {
return ordinal() + step < values().length;
}
public Column moveRight() {
return moveRight(1);
}
public Column moveRight(final int step) {
if (canMoveRight(step)) {
return values()[ordinal() + step];
}
throw new IllegalStateException("움직일 수 없는 위치입니다.");
}
}