Here you can find the source of unicode2native(String s)
public static String unicode2native(String s)
//package com.java2s; /*//from w w w .j av a2 s.c om * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ public class Main { public static String unicode2native(String s) { if (s == null || s.length() == 0) { return ""; } char ac[] = new char[s.length() * 2]; int i = 0; for (int j = 0; j < s.length(); j++) { if (s.charAt(j) >= '\u0100') { char c = s.charAt(j); byte abyte0[] = ("" + c).getBytes(); ac[i++] = (char) abyte0[0]; ac[i++] = (char) abyte0[1]; } else { ac[i++] = s.charAt(j); } } return new String(ac, 0, i); } }