Java String Split by Quote splitQuotedTokens(String str)

Description

splits space separated tokens respecting quotes (either " or ' )

License

Open Source License

Parameter

Parameter	Description
str	a parameter

Declaration

public static String[] splitQuotedTokens(String str) 

Method Source Code

//package com.java2s;
/*//from w w  w.  j  av a  2s.c  om
 * Created on Jun 9, 2008
 * Created by Paul Gardner
 * 
 * Copyright (C) Azureus Software, Inc, 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.
 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

import java.util.ArrayList;

import java.util.List;

public class Main {
    /**
     * splits space separated tokens respecting quotes (either " or ' )
     * @param str
     * @return
     */

    public static String[] splitQuotedTokens(String str) {
        List<String> bits = new ArrayList<String>();

        char quote = ' ';
        boolean escape = false;
        boolean bit_contains_quotes = false;

        String bit = "";

        char[] chars = str.toCharArray();

        for (int i = 0; i < chars.length; i++) {

            char c = chars[i];

            if (Character.isWhitespace(c)) {

                c = ' ';
            }

            if (escape) {

                bit += c;

                escape = false;

                continue;

            } else if (c == '\\') {

                escape = true;

                continue;
            }

            if (c == '"' || c == '\'' && (i == 0 || chars[i - 1] != '\\')) {

                if (quote == ' ') {

                    bit_contains_quotes = true;

                    quote = c;

                } else if (quote == c) {

                    quote = ' ';

                } else {

                    bit += c;
                }
            } else {

                if (quote == ' ') {

                    if (c == ' ') {

                        if (bit.length() > 0 || bit_contains_quotes) {

                            bit_contains_quotes = false;

                            bits.add(bit);

                            bit = "";
                        }
                    } else {

                        bit += c;
                    }
                } else {

                    bit += c;
                }
            }
        }

        if (quote != ' ') {

            bit += quote;
        }

        if (bit.length() > 0 || bit_contains_quotes) {

            bits.add(bit);
        }

        return (bits.toArray(new String[bits.size()]));
    }
}

Related

1. splitQuoted(String str, char delimiter)
2. splitQuotedEscape(String src)
3. splitQuotedStr(String str, char delimiter, char quote, boolean trim)
4. splitQuotedString(String str)
5. splitQuotedString(String str)
6. splitSafeQuote(String input, char separator)
7. splitShifted(int[] shiftedQuoteString)
8. splitStringWithQuotes(String in)
9. splitWithQuotes(String s)