has Chinese - Java Internationalization

Java examples for Internationalization:Chinese

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Description

has Chinese

Demo Code


//package com.java2s;

public class Main {

    public static boolean hasChinese(String str) {
        if (str == null) {
            return false;
        }/*from   w w w.  ja v  a 2 s  .com*/
        char[] ch = str.toCharArray();
        for (char c : ch) {
            if (isChinese(c)) {
                return true;
            }
        }
        return false;
    }

    public static boolean isChinese(String str) {
        if (str == null) {
            return false;
        }
        char[] ch = str.toCharArray();
        for (char c : ch) {
            if (!isChinese(c)) {
                return false;
            }
        }
        return true;
    }

    private static boolean isChinese(char c) {
        Character.UnicodeBlock ub = Character.UnicodeBlock.of(c);
        if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS) {
            return true;
        } else if (ub == Character.UnicodeBlock.CJK_COMPATIBILITY_IDEOGRAPHS) {
            return true;
        } else if (ub == Character.UnicodeBlock.CJK_SYMBOLS_AND_PUNCTUATION) {
            return true;
        } else if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A) {
            return true;
        } else if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B) {
            return true;
        } else if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_C) {
            return true;
        } else if (ub == Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_D) {
            return true;
        } else if (ub == Character.UnicodeBlock.GENERAL_PUNCTUATION) {
            return true;
        } else if (ub == Character.UnicodeBlock.HALFWIDTH_AND_FULLWIDTH_FORMS) {
            return true;
        }
        return false;
    }
}

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