com.aliyun.drc.utils.StringUtils Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of client Show documentation

The core java client for accessing Data Transmission Service

There is a newer version: 5.0.0.1-cloud.beta

package com.aliyun.drc.utils;

import java.util.ArrayList;
import java.util.List;

public class StringUtils
{
	/**
	 * Split a string by one separator character. The performance
	 * is better than Java String split.   
	 * 
	 * Thanks to guzhen's share.
	 * 
	 * @param str is the string need be split.
	 * @param separatorChar the single separator character.
	 * @return the array of split items.
	 */
	public static String[] split(String str, char separatorChar) {
        if (str == null) {
            return null;
        }

        int length = str.length();

        if (length == 0) {
            return null;
        }

        List list = new ArrayList();
        int i = 0;
        int start = 0;
        boolean match = false;

        while (i < length) {
            if (str.charAt(i) == separatorChar) {
                if (match) {
                    list.add(str.substring(start, i));
                    match = false;
                }

                start = ++i;
                continue;
            }

            match = true;
            i++;
        }

        if (match) {
            list.add(str.substring(start, i));
        }

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