Java String Split by Length getSplitLines(String input, int maxLineLength)

Description

get Split Lines

License

Open Source License

Declaration

public static String[] getSplitLines(String input, int maxLineLength) 

Method Source Code

//package com.java2s;
/*//from   w  ww.  ja  v a  2  s . c  om
 * PS3 Media Server, for streaming any medias to your PS3.
 * Copyright (C) 2012  Ph.Waeber
 *
 * This program 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; version 2
 * of the License only.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

import java.util.ArrayList;
import java.util.List;

public class Main {
    public static String[] getSplitLines(String input, int maxLineLength) {
        List<String> lines = new ArrayList<String>();
        if (maxLineLength > 0 && input.length() > maxLineLength) {
            int cutPos;
            do {
                cutPos = getCutOffPosition(input, maxLineLength);
                String text;
                if (cutPos > 0) {
                    text = input.substring(0, cutPos).trim();
                    input = input.substring(cutPos).trim();
                } else {
                    text = input.trim();
                    input = "";
                }

                lines.add(text);

            } while (cutPos > 0);
        } else {
            lines.add(input);
        }
        return lines.toArray(new String[lines.size()]);
    }

    private static int getCutOffPosition(String convertedMask,
            int maxLineLength) {
        int cutOffPos = -1;
        if (maxLineLength > 0 && convertedMask.length() > maxLineLength) {
            cutOffPos = maxLineLength;
            while (cutOffPos > 0 && convertedMask.charAt(cutOffPos) != ' ') {
                cutOffPos--;
            }
            if (cutOffPos == 0) {
                cutOffPos = maxLineLength;
            }
        }
        return cutOffPos;
    }
}

Related

1. lineSplit(String text, int len)
2. split(final String value, final int maxLength)
3. split(String message, int maxPages, int pageSize)
4. splitArray(byte[] array, int len)