package sjisLength;

import java.io.UnsupportedEncodingException;

public class SJISLength {
	
	public int getStrLen1(String str)  {
		try {
			return str.getBytes("MS932").length;
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
		return -1;
	}

	public int getStrLen2(String str) {
		int len = 0;
		int cp;
		
		for(int idx=0; idx <str.length(); idx++) {
			cp = str.codePointAt(idx);
			len += ((0x20 <= cp)&&(cp <= 0x7E)) ? 1 : ((0xFF60 <= cp)&&(cp <= 0xFFFE)) ? 1 : 2;
			if (cp > 65535) idx++;
		}

		return len;
	}
}