Java InputStream to Byte Array getStreamAsByteArray(InputStream stream)

Description

Returns the contents of the input stream as byte array.

License

Apache License

Parameter

Parameter	Description
stream	the <code>InputStream</code>

Return

the stream content as byte array

Declaration

public static byte[] getStreamAsByteArray(InputStream stream) throws IOException 

Method Source Code

//package com.java2s;
/*/*from   w ww  .  ja  va2 s .c  om*/
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 {
    /**
     * Returns the contents of the input stream as byte array.
     *
     * @param stream the <code>InputStream</code>
     * @return the stream content as byte array
     */
    public static byte[] getStreamAsByteArray(InputStream stream) throws IOException {
        return getStreamAsByteArray(stream, -1);
    }

    /**
     * Returns the contents of the input stream as byte array.
     *
     * @param stream the <code>InputStream</code>
     * @param length the number of bytes to copy, if length < 0, the number is unlimited
     * @return the stream content as byte array
     */
    public static byte[] getStreamAsByteArray(InputStream stream, int length) throws IOException {
        if (length == 0)
            return new byte[0];
        boolean checkLength = true;
        if (length < 0) {
            length = Integer.MAX_VALUE;
            checkLength = false;
        }
        ByteArrayOutputStream byteStream = new ByteArrayOutputStream();
        int nextValue = stream.read();
        if (checkLength)
            length--;
        while (-1 != nextValue && length >= 0) {
            byteStream.write(nextValue);
            nextValue = stream.read();
            if (checkLength)
                length--;
        }
        return byteStream.toByteArray();
    }
}

Related

1. getBytesFromStream(InputStream is)
2. getBytesFromStream(InputStream is)
3. getInputStreamAsByteArray(InputStream stream, int length)
4. getInputStreamAsByteArray(InputStream stream, int length)
5. getStreamAsByteArray(InputStream input)
6. getStreamAsBytes(final InputStream is)
7. getStreamBytes(InputStream is)
8. getStreamContent(InputStream stream)
9. getStreamContentAsBytes(InputStream is)