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106 lines (94 loc) · 2.16 KB
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package io.github.xfuns.java.fun;
/**
* CharFun
*
* @author smallmenu
*/
public class CharFun {
/**
* 点
*/
public static final char DOT = '.';
/**
* 斜杠
*/
public static final char SLASH = '/';
/**
* 反斜杠
*/
public static final char BACKSLASH = '\\';
/**
* 换行符
*/
public static final char CR = '\r';
/**
* 换行符
*/
public static final char LF = '\n';
/**
* 下划线
*/
public static final char UNDESCORE = '_';
/**
* 冒号
*/
public static final char COLON = ':';
/**
* 禁止实例化
*/
private CharFun() {
throw new AssertionError();
}
/**
* 检测对象是否为 Character 字符类
*
* @param value 被检查的对象
* @return boolean
*/
public static boolean isChar(Object value) {
return value instanceof Character;
}
/**
* 比较两个字符是否相等
*
* @param c1 字符串
* @param c2 字符串
* @param ignoreCase 忽略大小写
* @return boolean
*/
public static boolean equals(char c1, char c2, boolean ignoreCase) {
if (ignoreCase) {
return Character.toLowerCase(c1) == Character.toLowerCase(c2);
}
return c1 == c2;
}
/**
* 是否空白字符
* <p>
* 空白字符包括空格、制表符、全角空格和不间断空格
*
* @param c 字符
* @return 是否空白符
* @see Character#isWhitespace(int)
* @see Character#isSpaceChar(int)
*/
public static boolean isBlankChar(char c) {
return isBlankChar((int) c);
}
/**
* 是否空白字符
* <p>
* 空白字符包括空格、制表符、全角空格和不间断空格
*
* @param c 字符
* @return 是否空白符
* @see Character#isWhitespace(int)
* @see Character#isSpaceChar(int)
*/
public static boolean isBlankChar(int c) {
return Character.isWhitespace(c)
|| Character.isSpaceChar(c)
|| c == '\ufeff'
|| c == '\u202a';
}
}