Java List Concatenate concatElementsWithBrackets(List input)

Description

This method concats elements if they contain open brackets so it's not split over multiple elements

License

Apache License

Parameter

Parameter	Description
result	a parameter

Declaration

public static List<String> concatElementsWithBrackets(List<String> input) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

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

public class Main {
    /**//  w w w. j  a  v  a 2 s.com
     * This method concats elements if they contain open brackets so it's not split over multiple elements
     * @param result
     * @return
     */
    public static List<String> concatElementsWithBrackets(List<String> input) {
        List<String> result = new ArrayList<String>();
        int openBracketCounter = 0;
        String currentElement = null;
        for (String el : input) {
            openBracketCounter = openBracketCounter + getAmountOfCharInString('(', el)
                    - getAmountOfCharInString(')', el);

            if (currentElement == null) {
                currentElement = el;
            } else {
                currentElement += ", " + el;
            }
            if (openBracketCounter == 0) {
                result.add(currentElement);
                currentElement = null;
            }
        }

        return result;
    }

    /**********************************************
     *  Element counters
     ***********************************************/

    public static int getAmountOfCharInString(char toCount, String string) {
        int result = 0;
        for (int i = 0; i < string.length(); i++) {
            if (string.charAt(i) == toCount) {
                result += 1;
            }
        }
        return result;
    }
}

Related

1. concatAll(final T[] empty, Iterable arrayList)
2. concatArrays(List arrays, int start, int size)
3. concatArraysToList(final T[]... arrays)
4. concatCsvLine(List values, String fieldSeparator)
5. concateAliases(List aliases)
6. concatenate(List aList)
7. concatenate(List> lists)
8. concatenate(List