Java InputStream to OutputStream copyStream(InputStream is, OutputStream os)

Description

Copies data.

License

EUPL

Parameter

Parameter	Description
is	a parameter
os	a parameter

Exception

Parameter	Description
IOException	an exception

Declaration

public static void copyStream(InputStream is, OutputStream os) throws IOException 

Method Source Code

//package com.java2s;
/*//from  ww  w .  j  a  va  2s.c  o  m
 * Copyright 2011 by Graz University of Technology, Austria
 * MOCCA has been developed by the E-Government Innovation Center EGIZ, a joint
 * initiative of the Federal Chancellery Austria and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Reader;
import java.io.Writer;

public class Main {
    /**
     * Copies data. None of the streams will be closed.
     * 
     * @param is
     * @param os
     * @throws IOException
     */
    public static void copyStream(InputStream is, OutputStream os) throws IOException {
        copyStream(is, os, 1024);
    }

    /**
     * Copies data. None of the streams will be closed.
     * 
     * @param is
     * @param os
     * @throws IOException
     */
    public static void copyStream(InputStream is, OutputStream os, int bufferSize) throws IOException {
        byte[] buffer = new byte[bufferSize];
        copyStream(is, os, buffer);
    }

    /**
     * Copies data. None of the streams will be closed.
     * 
     * @param is
     * @param os
     * @throws IOException
     */
    public static void copyStream(InputStream is, OutputStream os, byte[] buffer) throws IOException {
        for (int i = is.read(buffer); i > -1; i = is.read(buffer)) {
            os.write(buffer, 0, i);
        }
    }

    /**
     * Copies data. None of the streams will be closed.
     * 
     * @param is
     * @param os
     * @throws IOException
     */
    public static void copyStream(Reader is, Writer os) throws IOException {
        copyStream(is, os, 1024);
    }

    /**
     * Copies data. None of the streams will be closed.
     * 
     * @param is
     * @param os
     * @throws IOException
     */
    public static void copyStream(Reader is, Writer os, int bufferSize) throws IOException {
        char[] chars = new char[bufferSize];
        for (int i = is.read(chars); i > -1; i = is.read(chars)) {
            os.write(chars, 0, i);
        }
    }
}

Related

1. copyStream(InputStream is, OutputStream os)
2. copyStream(InputStream is, OutputStream os)
3. copyStream(InputStream is, OutputStream os)
4. copyStream(InputStream is, OutputStream os)
5. copyStream(InputStream is, OutputStream os)
6. CopyStream(InputStream is, OutputStream os)
7. copyStream(InputStream is, OutputStream os)
8. copyStream(InputStream is, OutputStream os, boolean closeInput)
9. copyStream(InputStream is, OutputStream os, int bufferSize)