|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
*/ |
|
|
|
|
|
|
|
|
|
|
|
|
|
*/ |
|
package sun.util.locale; |
|
|
|
import java.util.List; |
|
import java.util.Map; |
|
import java.util.Set; |
|
|
|
|
|
|
|
|
|
*/ |
|
public final class LocaleUtils { |
|
|
|
private LocaleUtils() { |
|
} |
|
|
|
|
|
|
|
*/ |
|
public static boolean caseIgnoreMatch(String s1, String s2) { |
|
if (s1 == s2) { |
|
return true; |
|
} |
|
|
|
int len = s1.length(); |
|
if (len != s2.length()) { |
|
return false; |
|
} |
|
|
|
for (int i = 0; i < len; i++) { |
|
char c1 = s1.charAt(i); |
|
char c2 = s2.charAt(i); |
|
if (c1 != c2 && toLower(c1) != toLower(c2)) { |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
static int caseIgnoreCompare(String s1, String s2) { |
|
if (s1 == s2) { |
|
return 0; |
|
} |
|
return toLowerString(s1).compareTo(toLowerString(s2)); |
|
} |
|
|
|
static char toUpper(char c) { |
|
return isLower(c) ? (char)(c - 0x20) : c; |
|
} |
|
|
|
static char toLower(char c) { |
|
return isUpper(c) ? (char)(c + 0x20) : c; |
|
} |
|
|
|
|
|
|
|
*/ |
|
public static String toLowerString(String s) { |
|
int len = s.length(); |
|
int idx = 0; |
|
for (; idx < len; idx++) { |
|
if (isUpper(s.charAt(idx))) { |
|
break; |
|
} |
|
} |
|
if (idx == len) { |
|
return s; |
|
} |
|
|
|
char[] buf = new char[len]; |
|
for (int i = 0; i < len; i++) { |
|
char c = s.charAt(i); |
|
buf[i] = (i < idx) ? c : toLower(c); |
|
} |
|
return new String(buf); |
|
} |
|
|
|
static String toUpperString(String s) { |
|
int len = s.length(); |
|
int idx = 0; |
|
for (; idx < len; idx++) { |
|
if (isLower(s.charAt(idx))) { |
|
break; |
|
} |
|
} |
|
if (idx == len) { |
|
return s; |
|
} |
|
|
|
char[] buf = new char[len]; |
|
for (int i = 0; i < len; i++) { |
|
char c = s.charAt(i); |
|
buf[i] = (i < idx) ? c : toUpper(c); |
|
} |
|
return new String(buf); |
|
} |
|
|
|
static String toTitleString(String s) { |
|
int len; |
|
if ((len = s.length()) == 0) { |
|
return s; |
|
} |
|
int idx = 0; |
|
if (!isLower(s.charAt(idx))) { |
|
for (idx = 1; idx < len; idx++) { |
|
if (isUpper(s.charAt(idx))) { |
|
break; |
|
} |
|
} |
|
} |
|
if (idx == len) { |
|
return s; |
|
} |
|
|
|
char[] buf = new char[len]; |
|
for (int i = 0; i < len; i++) { |
|
char c = s.charAt(i); |
|
if (i == 0 && idx == 0) { |
|
buf[i] = toUpper(c); |
|
} else if (i < idx) { |
|
buf[i] = c; |
|
} else { |
|
buf[i] = toLower(c); |
|
} |
|
} |
|
return new String(buf); |
|
} |
|
|
|
private static boolean isUpper(char c) { |
|
return c >= 'A' && c <= 'Z'; |
|
} |
|
|
|
private static boolean isLower(char c) { |
|
return c >= 'a' && c <= 'z'; |
|
} |
|
|
|
static boolean isAlpha(char c) { |
|
return (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z'); |
|
} |
|
|
|
static boolean isAlphaString(String s) { |
|
int len = s.length(); |
|
for (int i = 0; i < len; i++) { |
|
if (!isAlpha(s.charAt(i))) { |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
static boolean isNumeric(char c) { |
|
return (c >= '0' && c <= '9'); |
|
} |
|
|
|
static boolean isNumericString(String s) { |
|
int len = s.length(); |
|
for (int i = 0; i < len; i++) { |
|
if (!isNumeric(s.charAt(i))) { |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
static boolean isAlphaNumeric(char c) { |
|
return isAlpha(c) || isNumeric(c); |
|
} |
|
|
|
public static boolean isAlphaNumericString(String s) { |
|
int len = s.length(); |
|
for (int i = 0; i < len; i++) { |
|
if (!isAlphaNumeric(s.charAt(i))) { |
|
return false; |
|
} |
|
} |
|
return true; |
|
} |
|
|
|
public static boolean isEmpty(String str) { |
|
return str == null || str.isEmpty(); |
|
} |
|
|
|
public static boolean isEmpty(Set<?> set) { |
|
return set == null || set.isEmpty(); |
|
} |
|
|
|
public static boolean isEmpty(Map<?, ?> map) { |
|
return map == null || map.isEmpty(); |
|
} |
|
|
|
public static boolean isEmpty(List<?> list) { |
|
return list == null || list.isEmpty(); |
|
} |
|
} |