Here you can find the source of intArrayToString(final int... ints)
| Parameter | Description |
|---|---|
| ints | The int array |
public static String intArrayToString(final int... ints)
//package com.java2s; /**/*from w w w. j av a 2s . com*/ * jcbnfp ? A parser for JCBNF (Jacky's Compilable BNF) * * Copyright (C) 2012 Mattias Andr?e <maandree@kth.se> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/> */ public class Main { /** * Converts an integer array to a string with only 16-bit charaters * * @param ints The int array * @return The string */ public static String intArrayToString(final int... ints) { int len = ints.length; for (final int i : ints) if (i > 0xFFFF) len++; else if (i > 0x10FFFF) throw new RuntimeException("Be serious, there is no character above plane 16."); final char[] chars = new char[len]; int ptr = 0; for (final int i : ints) if (i <= 0xFFFF) chars[ptr++] = (char) i; else { // 0x10000 + (H - 0xD800) * 0x400 + (L - 0xDC00) int c = i - 0x10000; int L = (c & 0x3FF) + 0xDC00; int H = (c >>> 10) + 0xD800; chars[ptr++] = (char) H; chars[ptr++] = (char) L; } return new String(chars); } }