Java String Split by Delimiter split(String src, String delimiter)

Description

split

License

Open Source License

Declaration

public static String[] split(String src, String delimiter) 

Method Source Code

//package com.java2s;

import java.util.ArrayList;

public class Main {

    public static String[] split(String src, String delimiter) {
        if (src == null || delimiter == null || src.trim().equals("") || delimiter.equals("")) {
            return new String[] { src };
        }/* w  ww . j  ava  2s .c  om*/

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

        int lengthOfDelimiter = delimiter.length();
        int pos = 0;
        while (true) {
            if (pos < src.length()) {

                int indexOfDelimiter = src.indexOf(delimiter, pos);
                if (indexOfDelimiter < 0) {
                    list.add(src.substring(pos));
                    break;
                } else {
                    list.add(src.substring(pos, indexOfDelimiter));
                    pos = indexOfDelimiter + lengthOfDelimiter;
                }
            } else if (pos == src.length()) {
                list.add("");
                break;
            } else {
                break;
            }
        }

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

    }

    public static boolean equals(String one, String another) {
        if (one == null) {
            if (another == null) {
                return true;
            } else {
                return false;
            }
        } else {
            if (another == null) {
                return false;
            } else {
                return one.equals(another);
            }
        }
    }

    public final static String trim(String target) {
        if (target == null)
            return null;

        target = target.trim();

        return "".equals(target) ? null : target;
    }

    public static String trim(Object src) {
        if (src == null) {
            return "";
        }

        String str = src.toString();
        return str.trim();
    }

    public static String subString(String parentStr, String startStr, String endStr) {
        return parentStr.substring(parentStr.indexOf(startStr) + startStr.length(), parentStr.indexOf(endStr));
    }
}

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