Java String Format formatStringTo80Columns(String str)

Description

Takes a string and formats it so that words are not cut off at the 80 column mark.

License

Open Source License

Parameter

Parameter	Description
str	The string to format.

Return

A formatted string.

Declaration

public static String formatStringTo80Columns(String str) 

Method Source Code

//package com.java2s;
/****************************************************************************
 * Ether Code base, version 1.0                                             *
 *==========================================================================*
 * Copyright (C) 2011 by Ron Kinney                                         *
 * All rights reserved.                                                     *
 *                                                                          *
 * 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; either version 2 of the License, or     *
 * (at your option) any later version.                                      *
 *                                                                          *
 * 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.                             *
 *                                                                          *
 * Redistribution and use in source and binary forms, with or without       *
 * modification, are permitted provided that the following conditions are   *
 * met:                                                                     *
 *                                                                          *
 * * Redistributions of source code must retain this copyright notice,      *
 *   this list of conditions and the following disclaimer.                  *
 * * Redistributions in binary form must reproduce this copyright notice    *
 *   this list of conditions and the following disclaimer in the            *
 *   documentation and/or other materials provided with the distribution.   *
 *                                                                          *
 *==========================================================================*
 * Ron Kinney (ronkinney@gmail.com)                                         *
 * Ether Homepage:   http://tdod.org/ether                                  *
 ****************************************************************************/

import java.util.ArrayList;

public class Main {
    /**/*from  w w w . j  a  v  a2 s  . com*/
     * Takes a string and formats it so that words are not cut off at the 80 column mark.
     * If a word cuts into the 80th column, then it is wrapped to the next line instead.
     * @param str The string to format.
     * @return A formatted string.
     */
    public static String formatStringTo80Columns(String str) {
        ArrayList<String> list = new ArrayList<String>();
        String[] split = str.split(" ");
        StringBuffer buffer = new StringBuffer();
        for (int count = 0; count < split.length; count++) {
            String word = split[count];
            if ((buffer.length() + word.length() + 1) > 80) {
                list.add(buffer.toString());
                buffer = new StringBuffer(word);
            } else {
                if (buffer.length() == 0) {
                    buffer.append(word);
                } else {
                    buffer.append(" " + word);
                }
            }
        }
        list.add(buffer.toString());

        StringBuffer finalBuffer = new StringBuffer();
        for (String str1 : list) {
            finalBuffer.append(str1 + "\n");
        }

        return finalBuffer.toString();
    }
}

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