Java InputStream to OutputStream copyStream(InputStream input, OutputStream output)

Description

copy Stream

License

Apache License

Declaration

public static int copyStream(InputStream input, OutputStream output) throws IOException 

Method Source Code

//package com.java2s;
/*/*from w ww .j  a v  a2 s  . com*/
 * Copyright (c) 2006, Pierre Carion.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

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

public class Main {
    private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;

    public static int copyStream(InputStream input, OutputStream output) throws IOException {
        byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
        int count = 0;
        int n = 0;
        while (-1 != (n = input.read(buffer))) {
            output.write(buffer, 0, n);
            count += n;
        }

        //        while ((n = input.read()) != -1) {
        //            output.write((byte) n);
        //            count++;
        //        }
        return count;
    }
}

Related

1. copyStream(InputStream input, OutputStream output)
2. copyStream(InputStream input, OutputStream output)
3. copyStream(InputStream input, OutputStream output)
4. copyStream(InputStream input, OutputStream output)
5. copyStream(InputStream input, OutputStream output)
6. copyStream(InputStream input, OutputStream output, boolean closeStreams)
7. copyStream(InputStream input, OutputStream output, boolean closeStreams)
8. copyStream(InputStream input, OutputStream output, int bufferSize)
9. copyStream(InputStream input, OutputStream output, int length)