Java String Single Byte Check isAllSingleByte(String str)

Description

is All Single Byte

License

Apache License

Declaration

public static boolean isAllSingleByte(String str) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.io.*;

public class Main {

    public static boolean isAllSingleByte(String str) {
        if (str != null) {
            int len = str.length();
            int i = 0;
            byte[] b;
            try {
                b = str.getBytes("GBK");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();//from  www.j  av  a2  s .  com
                b = str.getBytes();
            }
            while (i < len && b[i] < 128) {
                i++;
            }
            if (i < len)
                return false;
            return true;
        }
        return false;
    }
}