Copy an input stream to a file - Java java.io

Java examples for java.io:InputStream Read

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Description

Copy an input stream to a file

Demo Code

/**//from  w ww .j a v  a 2s.  c  o  m
 * e-Science Central
 * Copyright (C) 2008-2013 School of Computing Science, Newcastle University
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation at:
 * http://www.gnu.org/licenses/gpl-2.0.html
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301, USA.
 */
//package com.java2s;
import java.io.*;

public class Main {
    /** Copy an input stream to a file */
    public static void copyStreamToFile(InputStream source, File target)
            throws IOException {
        FileOutputStream outStream = new FileOutputStream(target);
        copyInputStream(source, outStream);
    }

    /** Copy the data from one stream to another */
    public static final void copyInputStream(InputStream in,
            OutputStream out) throws IOException {
        byte[] buffer = new byte[4096];
        int len;

        while ((len = in.read(buffer)) >= 0) {
            out.write(buffer, 0, len);
        }

        out.close();
        in.close();
    }
}

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