Java String Split split(final String string)

Description

split

License

Apache License

Declaration

public static String[] split(final String string)

Method Source Code

//package com.java2s;
/*/*from   w  w  w  .j ava  2  s .  co  m*/
 * =============================================================================
 * 
 *   Copyright (c) 2007-2010, The JASYPT team (http://www.jasypt.org)
 * 
 *   Licensed 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.
 * 
 * =============================================================================
 */

import java.util.ArrayList;

import java.util.List;

public class Main {
    public static String[] split(final String string) {
        // Whitespace will be used as separator
        return split(string, null);
    }

    public static String[] split(final String string,
            final String separators) {

        if (string == null) {
            return null;
        }

        final int length = string.length();

        if (length == 0) {
            return new String[0];
        }

        final List results = new ArrayList();
        int i = 0;
        int start = 0;
        boolean tokenInProgress = false;

        if (separators == null) {

            while (i < length) {
                if (Character.isWhitespace(string.charAt(i))) {
                    if (tokenInProgress) {
                        results.add(string.substring(start, i));
                        tokenInProgress = false;
                    }
                    start = ++i;
                    continue;
                }
                tokenInProgress = true;
                i++;
            }

        } else if (separators.length() == 1) {

            final char separator = separators.charAt(0);
            while (i < length) {
                if (string.charAt(i) == separator) {
                    if (tokenInProgress) {
                        results.add(string.substring(start, i));
                        tokenInProgress = false;
                    }
                    start = ++i;
                    continue;
                }
                tokenInProgress = true;
                i++;
            }

        } else {

            while (i < length) {
                if (separators.indexOf(string.charAt(i)) >= 0) {
                    if (tokenInProgress) {
                        results.add(string.substring(start, i));
                        tokenInProgress = false;
                    }
                    start = ++i;
                    continue;
                }
                tokenInProgress = true;
                i++;
            }

        }

        if (tokenInProgress) {
            results.add(string.substring(start, i));
        }

        return (String[]) results.toArray(new String[results.size()]);

    }
}

Java String Split split(final String string)

Description

License

Declaration

Method Source Code

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