Copies data from one input stream to the other using a buffer of 8 kilobyte in size. - Android File Input Output

Android examples for File Input Output:Stream Copy

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Description

Copies data from one input stream to the other using a buffer of 8 kilobyte in size.

Demo Code

/*/*from w  ww. ja v a  2s. c om*/
 * Copyright 2012 Uwe Trottmann
 *
 * 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.
 * 
 */
//package com.java2s;

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

public class Main {
    private static final int DEFAULT_BUFFER_SIZE = 8192;

    /**
     * Copies data from one input stream to the other using a buffer of 8 kilobyte in size.
     *
     * @param input  {@link InputStream}
     * @param output {@link OutputStream}
     */
    public static int copy(InputStream input, OutputStream output)
            throws IOException {
        byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
        int count = 0;
        int n;
        while (-1 != (n = input.read(buffer))) {
            output.write(buffer, 0, n);
            count += n;
        }
        return count;
    }
}

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