Java InputStream to Byte Array inputStreamToBytes(final InputStream aInputStream)

Description

Converts an input stream into a byte array

License

Apache License

Parameter

Parameter	Description
aInputStream	An input stream

Exception

Parameter	Description
IOException	Something went wrong

Return

The input stream content, null on error

Declaration

public static byte[] inputStreamToBytes(final InputStream aInputStream) throws IOException 

Method Source Code

//package com.java2s;
/**//from   w  w w  . j  a v a2 s.  c  om
 * Copyright 2014 isandlaTech
 *
 * 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.ByteArrayOutputStream;

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

public class Main {
    /**
     * Converts an input stream into a byte array
     *
     * @param aInputStream
     *            An input stream
     * @return The input stream content, null on error
     * @throws IOException
     *             Something went wrong
     */
    public static byte[] inputStreamToBytes(final InputStream aInputStream) throws IOException {

        if (aInputStream == null) {
            return null;
        }

        final ByteArrayOutputStream outStream = new ByteArrayOutputStream();
        final byte[] buffer = new byte[8192];
        int read = 0;

        do {
            read = aInputStream.read(buffer);
            if (read > 0) {
                outStream.write(buffer, 0, read);
            }

        } while (read > 0);

        outStream.close();
        return outStream.toByteArray();
    }
}

Related

1. inputStreamToByteArray(InputStream is)
2. inputStreamToByteArray(InputStream is)
3. inputStreamToByteArray(InputStream is)
4. inputStreamToByteArray(InputStream stream)
5. inputStreamToByteArrayOutputStream(final InputStream is)
6. inputStreamToBytes(final InputStream ins)
7. inputStreamToBytes(InputStream in)
8. inputStreamToBytes(InputStream in)
9. inputStreamToBytes(InputStream in)