Java InputStream Read Bytes readBytes(InputStream inputStream)

Description

This method consumes an inputstream, returning its content then closing it.

License

Open Source License

Declaration

public static byte[] readBytes(InputStream inputStream) throws IOException 

Method Source Code

//package com.java2s;
/*/* w w w .  j  a v  a2  s  . c  om*/
 * The MIT License
 *
 * Copyright (c) 2010 Xtreme Labs and Pivotal Labs
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

import java.io.ByteArrayOutputStream;

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

public class Main {
    /**
     * This method consumes an inputstream, returning its content then closing
     * it.
     */
    public static byte[] readBytes(InputStream inputStream) throws IOException {
        try {
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(inputStream.available());
            copy(inputStream, byteArrayOutputStream);
            return byteArrayOutputStream.toByteArray();
        } finally {
            inputStream.close();
        }
    }

    public static void copy(InputStream in, OutputStream out) throws IOException {
        byte[] buffer = new byte[8196];
        int len;
        try {
            while ((len = in.read(buffer)) != -1) {
                out.write(buffer, 0, len);
            }
        } finally {
            in.close();
        }
    }
}

Related

1. readBytes(InputStream inputStream)
2. readBytes(InputStream inputStream)
3. readBytes(InputStream inputStream)
4. readBytes(InputStream inputStream)
5. readBytes(InputStream inputStream)
6. readBytes(InputStream inputStream, boolean close)
7. readBytes(InputStream inputStream, byte[] buffer, int offset, int length)
8. readBytes(InputStream inputStream, int bufSize)
9. readBytes(InputStream inputStream, int length)