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YANService.java
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258 lines (228 loc) · 6.99 KB
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package yan_service;
import java.util.*;
import static java.lang.Character.*;
import static java.lang.Double.*;
import static java.lang.Integer.*;
import static java.lang.String.valueOf;
import static java.lang.System.*;
import static yan_service.YANConstant.*;
public class YANService {
// Fields
private static final Scanner mScan = new Scanner(in);
// Parse int advanced
public static int parseIntAdv(Character c) {
return parseInt(valueOf(c));
}
// Try parse int
public static boolean tryParseInt(Character c) {
var isSuccess = true;
try {
parseInt(valueOf(c));
} catch (Exception e) {
isSuccess = false;
}
return isSuccess;
}
// Try parse int
public static boolean tryParseInt(String s) {
var isSuccess = true;
try {
parseInt(s);
} catch (Exception e) {
isSuccess = false;
}
return isSuccess;
}
// Scan int
public static int scanInt() {
var n = 0;
var s = mScan.nextLine();
if (tryParseInt(s)) {
n = parseInt(s);
} else {
printAdv(RED, "Dữ liệu bạn nhập không phải số nguyên, xin nhập lại: ", RESET);
n = scanInt();
}
return n;
}
// Number limit int
public static int numLimit(int min, int max) {
var n = scanInt();
if (n < min || n > max) {
printAdv(RED, "Không xác định, xin nhập lại: ", RESET);
n = numLimit(min, max);
}
return n;
}
// Number limit int
public static int numLimitEx(int min, int max) {
var n = scanInt();
if (n <= min || n >= max) {
printAdv(RED, "Không xác định, xin nhập lại: ", RESET);
n = numLimit(min, max);
}
return n;
}
// Parse double advanced
public static double parseDubAdv(Character c) {
return parseDouble(valueOf(c));
}
// Try parse double
public static boolean tryParseDub(Character c) {
var isSuccess = true;
try {
parseDouble(valueOf(c));
} catch (Exception e) {
isSuccess = false;
}
return isSuccess;
}
// Try parse double
public static boolean tryParseDub(String s) {
var isSuccess = true;
try {
parseDouble(s);
} catch (Exception e) {
isSuccess = false;
}
return isSuccess;
}
// Scan double
public static double scanDub() {
var n = 0d;
var s = mScan.nextLine();
if (tryParseDub(s)) {
n = parseDouble(s);
} else {
printAdv(RED, "Dữ liện bạn nhập không phải số, xin nhập lại: ", RESET);
n = scanDub();
}
return n;
}
// Number limit double
public static double numLimit(double min, double max) {
var n = scanDub();
if (n < min || n > max) {
printAdv(RED, "Không xác định, xin nhập lại: ", RESET);
n = numLimit(min, max);
}
return n;
}
// Number limit double
public static double numLimitEx(double min, double max) {
var n = scanDub();
if (n <= min || n >= max) {
printAdv(RED, "Không xác định, xin nhập lại: ", RESET);
n = numLimit(min, max);
}
return n;
}
// Double to perfect number
public static String writePerfectDub(double n) {
return n == (int) n ? String.valueOf((int) n) : String.valueOf(n);
}
// Print advanced
public static void printAdv(String s) {
for (var i = 1; i <= (WIDTH - s.length()) / 2; i++) {
out.print(" ");
}
out.print(s);
}
// Print advanced color
public static void printAdv(String color, String s) {
for (var i = 1; i <= (WIDTH - s.length()) / 2; i++) {
out.print(" ");
}
out.print(color + s);
}
// Print advanced multi color
public static void printAdv(String colorStart, String s, String colorEnd) {
for (var i = 1; i <= (WIDTH - s.length()) / 2; i++) {
out.print(" ");
}
out.print(colorStart + s + colorEnd);
}
// Print line advanced
public static void printlnAdv(String s) {
for (var i = 1; i <= (WIDTH - s.length()) / 2; i++) {
out.print(" ");
}
out.println(s);
}
// Print line advanced color
public static void printlnAdv(String color, String s) {
for (var i = 1; i <= (WIDTH - s.length()) / 2; i++) {
out.print(" ");
}
out.println(color + s);
}
// Print line advanced multi color
public static void printlnAdv(String colorStart, String s, String colorEnd) {
for (var i = 1; i <= (WIDTH - s.length()) / 2; i++) {
out.print(" ");
}
out.println(colorStart + s + colorEnd);
}
// Check whitespace
public static boolean isSpace(String s) {
var isSuccess = true;
for (var i = 0; i < s.length(); i++) {
if (!isWhitespace(s.charAt(i))) {
isSuccess = false;
break;
}
}
return isSuccess;
}
// Check null or empty
public static boolean isNullOrEmpty(String s) {
return s == null || s.length() == 0;
}
// Check null or whitespace
public static boolean isNullOrWhitespace(String s) {
return isNullOrEmpty(s) || isSpace(s);
}
// Covert to title case
public static String toTitleCase(String s) {
var list = new ArrayList<Character>();
var str = "";
if (!isNullOrWhitespace(s)) {
var cst = s.charAt(0);
cst = isWhitespace(cst) ? cst : toUpperCase(cst);
list.add(cst);
for (var i = 0; i < s.length() - 1; i++) {
var c = s.charAt(i + 1);
if (isWhitespace(s.charAt(i)) && !isWhitespace(c)) {
list.add(toUpperCase(c));
} else {
list.add(c);
}
}
for (var item : list) {
str += item;
}
}
return str;
}
// Convert to lower case advanced
public static String toLowerCaseAdv(String s) {
return isNullOrWhitespace(s) ? s : s.toLowerCase();
}
// Convert to upper case advanced
public static String toUpperCaseAdv(String s) {
return isNullOrWhitespace(s) ? s : s.toUpperCase();
}
// Convert to title case advanced
public static String toTitleCaseAdv(String s) {
return isNullOrWhitespace(s) ? s : toTitleCase(s.toLowerCase());
}
// Credit
public static int credit() {
printlnAdv(PURPLE, "Bạn có muốn tiếp tục?");
printlnAdv("1. Có ");
printlnAdv("2. Không");
printAdv("Chọn 1 trong các phương án trên: ");
out.print(RESET);
return numLimit(1, 2);
}
}