/*
 * Copyright 2002-2017 Drew Noakes
 *
 *    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.
 *
 * More information about this project is available at:
 *
 *    https://drewnoakes.com/code/exif/
 *    https://github.com/drewnoakes/metadata-extractor
 */
package com.drew.lang;

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

/**
 * @author Drew Noakes https://drewnoakes.com
 */
public final class StreamUtil
{
    public static byte[] readAllBytes(InputStream stream) throws IOException
    {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

        byte[] buffer = new byte[1024];
        while (true) {
            int bytesRead = stream.read(buffer);
            if (bytesRead == -1)
                break;
            outputStream.write(buffer, 0, bytesRead);
        }

        return outputStream.toByteArray();
    }
}
