Here you can find the source of download(String url, String saveFile)
public static boolean download(String url, String saveFile)
//package com.java2s; /*/*from ww w . j ava2 s . c o m*/ * Hello Minecraft!. * Copyright (C) 2013 huangyuhui <huanghongxun2008@126.com> * * 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.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.URL; public class Main { public static boolean download(String url, String saveFile) { try { int readCount = 0; byte[] buffer = new byte[1204]; InputStream inputStream = new URL(url).openConnection().getInputStream(); FileOutputStream fs = new FileOutputStream(saveFile); while ((readCount = inputStream.read(buffer)) != -1) { fs.write(buffer, 0, readCount); } return true; } catch (FileNotFoundException e) { return false; } catch (IOException e) { return false; } } }