TextUtils.java

package com.txsc.utils;

public class TextUtils {
	public static boolean isBlank(CharSequence cs) {
		int strLen;
		if ((cs == null) || ((strLen = cs.length()) == 0))
			return true;
		for (int i = 0; i < strLen; i++) {
			if (!Character.isWhitespace(cs.charAt(i))) {
				return false;
			}
		}
		return true;
	}
}