Java String Tokenize tokenize(String text)

Description

tokenize

License

Apache License

Declaration

public static String[] tokenize(String text) 

Method Source Code

//package com.java2s;
/*//from   w  w w  . j  a v a  2  s . c o  m
 * (C) Copyright 2009-2010 Nuxeo SA (http://nuxeo.com/) and contributors.
 *
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Contributors:
 *   Bogdan Stefanescu (bs@nuxeo.com), Nuxeo
 *   Stefane Fermigier (sf@nuxeo.com), Nuxeo
 *   Florent Guillaume (fg@nuxeo.com), Nuxeo
 */

import java.util.ArrayList;

public class Main {
    public static String[] tokenize(String text) {
        boolean esc = false;
        boolean inString = false;
        ArrayList<String> tokens = new ArrayList<String>();
        StringBuilder buf = new StringBuilder();

        char[] chars = text.toCharArray();
        for (char c : chars) {
            if (esc) {
                switch (c) {
                case 'n':
                    buf.append('\n');
                    break;
                case 't':
                    buf.append('\t');
                    break;
                default:
                    buf.append(c);
                }
                esc = false;
                continue;
            }
            if (inString && c != '"') {
                buf.append(c);
                continue;
            }
            switch (c) {
            case ' ':
            case '\t':
                if (buf.length() > 0) {
                    tokens.add(buf.toString());
                    buf.setLength(0);
                }
                break;
            case '\\':
                esc = true;
                break;
            case '"':
                inString = !inString;
                break;
            default:
                buf.append(c);
                break;
            }
        }

        if (buf.length() > 0) {
            tokens.add(buf.toString());
            buf.setLength(0);
        }
        return tokens.toArray(new String[tokens.size()]);
    }
}

Related

1. tokenize(String str, char delim)
2. tokenize(String str, String delims)
3. tokenize(String str, String delims, boolean returnDelims)
4. tokenize(String string, String splitOn)
5. tokenize(String text)
6. tokenize(String text)
7. tokenize(String text, char separator)
8. tokenize(String text, char separator)
9. tokenize(String text, String delimiter)