Here you can find the source of urlDecode(final String str, final Charset encoding)
public static String urlDecode(final String str, final Charset encoding)
//package com.java2s; /*/*from ww w.j av a 2 s .c o m*/ * Copyright 2010-2015 the original author or authors. * * 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/>. */ import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import java.nio.charset.Charset; public class Main { public static String urlDecode(final String str, final Charset encoding) { try { return URLDecoder.decode(str, encoding.name()); } catch (final UnsupportedEncodingException x) { throw new RuntimeException(x); } } }