Here you can find the source of getOutputStream(String filename, String dir)
public static FileOutputStream getOutputStream(String filename, String dir) throws IOException
//package com.java2s; /*/* w w w .j a v a 2s.c om*/ * jvmBasic Copyright 2012, khubla.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.File; import java.io.FileOutputStream; import java.io.IOException; public class Main { /** * get an output stream for a file */ public static FileOutputStream getOutputStream(String filename, String dir) throws IOException { String fullFN = null; if (null != dir) { fullFN = dir + "/" + filename; new File(dir).mkdirs(); } else { fullFN = filename; } return new FileOutputStream(fullFN); } }