Java String Empty isEmpty(String input)

Description

is Empty

License

Open Source License

Declaration

public static boolean isEmpty(String input) 

Method Source Code

//package com.java2s;
/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2014, Arnaud Roques
 *
 * Project Info:  http://plantuml.sourceforge.net
 * // w  w w  .  j  a  v a  2  s  .c o m
 * This file is part of PlantUML.
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML 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 Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
 * USA.
 *
 *
 * Original Author:  Arnaud Roques
 */

import java.util.Iterator;
import java.util.List;

public class Main {
    public static boolean isEmpty(String input) {
        return input == null || input.trim().length() == 0;
    }

    public static void trim(List<String> data, boolean removeEmptyLines) {
        for (int i = 0; i < data.size(); i++) {
            final String s = data.get(i);
            data.set(i, s.trim());
        }
        if (removeEmptyLines) {
            for (final Iterator<String> it = data.iterator(); it.hasNext();) {
                if (it.next().length() == 0) {
                    it.remove();
                }
            }
        }
    }
}

Related

1. emptyStringToLongZero(String s)
2. emptyStringToNull(String value)
3. firstNotEmpty(String... values)
4. getFirstNotEmpty(String str, String sperator)
5. isAnyEmpty(String... sAry)
6. isEmpty(String param)
7. isEmpty(String sTest_)
8. isEmpty(String str)
9. isEmpty(String str)