2 * Svjatoslav Commons - shared library of common functionality.
3 * Copyright ©2012-2014, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of version 3 of the GNU Lesser General Public License
7 * or later as published by the Free Software Foundation.
10 package eu.svjatoslav.commons.string;
12 import java.util.Vector;
14 public class String2 {
16 private final Vector<Character> chars = new Vector<Character>();
18 public String2(final String value) {
19 for (final Character c : value.toCharArray())
23 public String2 addPrefix(final String prefix) {
25 for (final char c : prefix.toCharArray())
26 chars.insertElementAt(c, j++);
31 public String2 addSuffix(final String suffix) {
32 for (final char c : suffix.toCharArray())
39 * Cut given amount of characters from the left of the string.
42 * of characters to cut
43 * @return cutted part.
45 public String cutLeft(final int cutAmount) {
47 int actualCutAmount = cutAmount;
49 if (actualCutAmount > getLength())
50 actualCutAmount = getLength();
52 final String result = getSubString(0, actualCutAmount);
54 chars.subList(0, actualCutAmount).clear();
59 public String2 enforceLength(final int targetLength) {
60 if (getLength() > targetLength)
61 chars.subList(targetLength, getLength()).clear();
62 else if (getLength() < targetLength) {
63 final int charactersToAdd = targetLength - getLength();
64 for (int i = 0; i < charactersToAdd; i++)
71 public int getLength() {
75 public String getSubString(final int startInclusive, final int endExclusive) {
76 final char[] charArray = new char[endExclusive - startInclusive];
79 for (int i = startInclusive; i < endExclusive; i++) {
80 charArray[j] = chars.get(i);
83 return new String(charArray);
86 public boolean isEmpty() {
87 return chars.size() == 0;
91 public String toString() {
92 return getSubString(0, chars.size());