Here you can find the source of emptyString(String s)
Parameter | Description |
---|---|
s | a parameter |
true
, if the passed String is null
, or empty after cleaning leading & trailing spaces;false
otherwise.
public static boolean emptyString(String s)
//package com.java2s; /**/*from w ww. j av a 2 s .com*/ * This file is part of Port@l * Port@l 3.0 - Portal Engine and Management System * Copyright (C) 2010 Isotrol, SA. http://www.isotrol.com * * Port@l is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Port@l is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Port@l. If not, see <http://www.gnu.org/licenses/>. */ public class Main { /** * <br/> * @param s * @return <code>true</code>, if the passed String is <code>null</code>, or empty after cleaning leading & trailing * spaces;<code>false</code> otherwise. */ public static boolean emptyString(String s) { return s == null || s.matches("(\\s)*"); } }