split string by separator - Android java.lang

Android examples for java.lang:String Split

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Description

split string by separator

Demo Code

import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.net.URLEncoder;
import java.security.SecureRandom;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Locale;

public class Main{


    public static String[] split(String source, String separator)
            throws NullPointerException {
        String[] returnVal = null;
        int cnt = 1;

        int index = source.indexOf(separator);
        int index0 = 0;
        while (index >= 0) {
            cnt++;//from  ww w . j  a  va 2 s. c  o m
            index = source.indexOf(separator, index + 1);
        }
        returnVal = new String[cnt];
        cnt = 0;
        index = source.indexOf(separator);
        while (index >= 0) {
            returnVal[cnt] = source.substring(index0, index);
            index0 = index + 1;
            index = source.indexOf(separator, index + 1);
            cnt++;
        }
        returnVal[cnt] = source.substring(index0);

        return returnVal;
    }

    public static String[] split(String source, String separator,
            int arraylength) throws NullPointerException {
        String[] returnVal = new String[arraylength];
        int cnt = 0;
        int index0 = 0;
        int index = source.indexOf(separator);
        while (index >= 0 && cnt < (arraylength - 1)) {
            returnVal[cnt] = source.substring(index0, index);
            index0 = index + 1;
            index = source.indexOf(separator, index + 1);
            cnt++;
        }
        returnVal[cnt] = source.substring(index0);
        if (cnt < (arraylength - 1)) {
            for (int i = cnt + 1; i < arraylength; i++) {
                returnVal[i] = "";
            }
        }

        return returnVal;
    }

}

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