Java InputStream to OutputStream copyStream(InputStream in, OutputStream out)

Description

Copies streams.

License

LGPL

Parameter

Parameter	Description
in	Input stream
out	Output stream

Exception

Parameter	Description
IOException	In case of a reading or writing error

Declaration

public static void copyStream(InputStream in, OutputStream out) throws IOException 

Method Source Code

//package com.java2s;
/**//  w ww. j a v  a  2 s  .c  o m
 * Copyright 2009-2016 Three Crickets LLC.
 * <p>
 * The contents of this file are subject to the terms of the LGPL version 3.0:
 * http://www.gnu.org/copyleft/lesser.html
 * <p>
 * Alternatively, you can obtain a royalty free commercial license with less
 * limitations, transferable or non-transferable, directly from Three Crickets
 * at http://threecrickets.com/
 */

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

import java.io.IOException;
import java.io.InputStream;

import java.io.OutputStream;

public class Main {
    /**
     * Copies streams. The input stream is entirely consumed and closed.
     * 
     * @param in
     *        Input stream
     * @param out
     *        Output stream
     * @throws IOException
     *         In case of a reading or writing error
     */
    public static void copyStream(InputStream in, OutputStream out) throws IOException {
        in = new BufferedInputStream(in);
        try {
            out = new BufferedOutputStream(out);
            try {
                while (true) {
                    int data = in.read();
                    if (data == -1)
                        break;
                    out.write(data);
                }
            } finally {
                out.flush();
            }
        } finally {
            in.close();
        }
    }
}

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