Here you can find the source of copyFileUsingFileStreams(InputStream source, File dest)
private static void copyFileUsingFileStreams(InputStream source, File dest) throws IOException
//package com.java2s; /*//from ww w .ja va 2 s .c om * #%L * Java Applet for biometric trait acquisition [http://www.biosignin.org] * StaticUtils.java is part of BioSignIn project * %% * Copyright (C) 2014 Innovery SpA * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * #L% */ import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; public class Main { private static void copyFileUsingFileStreams(InputStream source, File dest) throws IOException { OutputStream output = null; try { output = new FileOutputStream(dest); byte[] buf = new byte[1024]; int bytesRead; while ((bytesRead = source.read(buf)) > 0) { output.write(buf, 0, bytesRead); } } finally { try { source.close(); output.close(); } catch (Exception ex) { ex.printStackTrace(); } } } }