Java ByteArrayOutputStream Write readAll(InputStream in)

Description

Helper to read all data from InputStream to a byte array.

License

Apache License

Declaration

static byte[] readAll(InputStream in) throws IOException 

Method Source Code

//package com.java2s;
/*/* w ww.  jav a  2  s.  c om*/
 * Copyright 2014-2018 Netflix, Inc.
 *
 * 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 {
    /** Helper to read all data from InputStream to a byte array. */
    static byte[] readAll(InputStream in) throws IOException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        byte[] buffer = new byte[4096];
        int length;
        while ((length = in.read(buffer)) > 0) {
            baos.write(buffer, 0, length);
        }
        return baos.toByteArray();
    }
}

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