Utility method to tokenize a string into an array. - Java java.lang

Java examples for java.lang:String Tokenize

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Description

Utility method to tokenize a string into an array.

Demo Code

/*******************************************************************************
 * Copyright (c) 2010 Angelo ZERR.//from www.  ja va  2s . c  o  m
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:      
 *     Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
 *******************************************************************************/
//package com.java2s;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;

public class Main {
    public static final String[] EMPTY_STRING_ARRAY = new String[0];

    /**
     * Utility method to tokenize a string into an array.
     * 
     * @param str
     *            a string to be parsed
     * @param delim
     *            the delimiters
     * @return an array containing the tokenized string
     */
    public static String[] tokenize(String str, String delim) {
        if (str == null)
            return EMPTY_STRING_ARRAY;

        List<String> list = new ArrayList<String>();

        StringTokenizer st = new StringTokenizer(str, delim);
        while (st.hasMoreTokens()) {
            String s = st.nextToken();
            if (s != null && s.length() > 0)
                list.add(s.trim());
        }

        String[] s = new String[list.size()];
        list.toArray(s);
        return s;
    }
}

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