Java Collection Create stringToCollection(String string, String delim)

Description

This method will return all the values in a delimited String as a Collection of String objects.

License

Open Source License

Parameter

Parameter	Description
string	The string to be parsed
delim	The delimiter to use

Declaration

public static ArrayList<String> stringToCollection(String string, String delim) 

Method Source Code

//package com.java2s;
/* //from  w  ww  . ja  va 2 s.com
 * RealmSpeak is the Java application for playing the board game Magic Realm.
 * Copyright (c) 2005-2015 Robin Warren
 * E-mail: robin@dewkid.com
 * 
 * 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 3 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, see
 *
 * http://www.gnu.org/licenses/
 */

import java.util.*;

public class Main {
    /**
     * This method will return all the values in a delimited String as a Collection of String objects.  Where delimiters suggest a missing
     * value, an empty string will be returned.  (i.e., the string ",,," would return four empty strings.)
     * 
     * @param string            The string to be parsed
     * @param delim               The delimiter to use
     */
    public static ArrayList<String> stringToCollection(String string, String delim) {
        return stringToCollection(string, delim, false);
    }

    public static ArrayList<String> stringToCollection(String string, String delim, boolean convertNulls) {
        ArrayList<String> list = new ArrayList<String>();
        boolean stringAdded = false;
        StringTokenizer tokens = new StringTokenizer(string, delim, true);
        while (tokens.hasMoreTokens()) {
            String token = tokens.nextToken();
            if (delim.indexOf(token) >= 0) {
                // found a delimiter
                if (!stringAdded) {
                    list.add("");
                }
                stringAdded = false;
            } else {
                // found a string
                if (convertNulls && "null".equals(token)) {
                    token = null;
                }
                list.add(token);
                stringAdded = true;
            }
        }
        if (!stringAdded) {
            list.add("");
        }
        return list;
    }
}

Related

1. createStringFromCollection(Collection svcInterfaces)
2. createTextFromList(Collection list)
3. createUniqueName(String baseName, Collection names)
4. stringToCollection(String string)
5. stringToCollection(String string)
6. toCollection(C c, E... elements)
7. toCollection(Class cls, Iterable iterable)
8. toCollection(Class cls, T[] array)
9. toCollection(final char[] charArray)