ListMaster.java

package ru.moneyhoney.tester.util;

import java.util.ArrayList;

public class ListMaster {

    public static String[] findMatches(String query, String[] array){
        ArrayList<String> list = new ArrayList<String>();

        for (String item : array){
            if (item.toLowerCase().contains(query.toLowerCase())) list.add(item);
        }

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

    public static ArrayList<String> findMatches(String query, ArrayList<String> arrayList){
        ArrayList<String> list = new ArrayList<String>();

        for (String item : arrayList){
            if (item.toLowerCase().contains(query.toLowerCase())) list.add(item);
        }

        return list;
    }

    public static void deleteIfNoMatches(String query, ArrayList<String> arrayList){
        String item;
        for (int i = 0; i < arrayList.size(); i++){
            item = arrayList.get(i);
            if (!item.toLowerCase().contains(query.toLowerCase())) {
                deleteItemFromArrayList(item, arrayList);
                i--;
            }
        }
    }

    public static void deleteItemFromArrayList(String item, ArrayList<String> arrayList){
        int index = 0;
        for (String i : arrayList){
            if (i == item) {
                arrayList.remove(index);
                return;
            }
            index++;
        }
    }

    public static ArrayList<String> addArrayToArrayList(ArrayList<String> arrayList, String[] array){
        for (String item : array){
            arrayList.add(item);
        }
        return arrayList;
    }

    public static ArrayList<String> addArrayToArrayListWithSplit(ArrayList<String> arrayList, String[] array, String delimiter, int position){
        for (String item : array){
            String[] mas = item.split(delimiter);
            arrayList.add(mas[position]);
        }
        return arrayList;
    }

    public static String getItemFromArrayWithSplit(int arrayCount, int positionCount, String delimiter, String[] array){
        String[] mas = array[arrayCount].split(delimiter);
        return mas[positionCount];
    }

    public static String getItemFromArrayListWithSplit(int arrayListCount, int positionCount, String delimiter, ArrayList<String> arrayList){
        String[] mas = arrayList.get(arrayListCount).split(delimiter);
        return mas[positionCount];
    }
}