Java Utililty Methods InputStream to Byte Array

List of utility methods to do InputStream to Byte Array

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Description

The list of methods to do InputStream to Byte Array are organized into topic(s).

Method

byte[]getBytesFromStream(InputStream input)
Read a stream (usually small) completely in to a byte array. 
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buf = new byte[1024];
int byteCount = 0;
byteCount = input.read(buf);
while (byteCount > 0) {
    baos.write(buf, 0, byteCount);
    byteCount = input.read(buf);
return baos.toByteArray();
byte[]getBytesFromStream(InputStream inputStream)
get Bytes From Stream 
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
byte[] buf = new byte[BUFFER_SIZE];
int len;
while ((len = inputStream.read(buf)) > 0) {
    outputStream.write(buf, 0, len);
outputStream.close();
inputStream.close();
...
byte[]getBytesFromStream(InputStream is)
get Bytes From Stream 
byte[] bytes = new byte[is.available()];
is.read(bytes);
return bytes;
byte[]getBytesFromStream(InputStream is)
Extracts a byte array from an InputStream 
if (is == null) {
    return null;
ByteArrayOutputStream bos = new ByteArrayOutputStream();
int b;
while ((b = is.read()) != -1) {
    bos.write(b);
return bos.toByteArray();
byte[]getBytesFromStream(InputStream is)
get Bytes From Stream 
int BUFFER_SIZE = 8192;
byte[] buffer = new byte[BUFFER_SIZE];
ByteArrayOutputStream os = new ByteArrayOutputStream();
int numRead = 0;
while ((numRead = is.read(buffer)) > 0) {
    os.write(buffer, 0, numRead);
return os.toByteArray();
...
byte[]getBytesFromStream(InputStream is)
return byte array from reading entire inputstream given 
BufferedInputStream bis = new BufferedInputStream(is);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] byteBuf = new byte[1024 * 64];
while (true) {
    int bytesRead = bis.read(byteBuf);
    if (bytesRead <= 0)
        break;
    baos.write(byteBuf, 0, bytesRead);
...
byte[]getBytesFromStream(InputStream is)
get Bytes From Stream 
InputStreamReader isr = new InputStreamReader(is);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
    int bytesRead = 0;
    int chunkSize = 10000000;
    byte[] chunk = new byte[chunkSize];
    while ((bytesRead = is.read(chunk)) > 0) {
        byte[] ba = new byte[bytesRead];
...
byte[]getBytesFromStream(InputStream is)
Convert the inputstream into a byte array. 
return getBytesFromStream(is, 2048);
byte[]getInputStreamAsByteArray(InputStream stream, int length)
get Input Stream As Byte Array 
byte[] contents;
if (length == -1) {
    contents = new byte[0];
    int contentsLength = 0;
    int bytesRead = -1;
    do {
        int available = stream.available();
        if (contentsLength + available > contents.length) {
...
byte[]getInputStreamAsByteArray(InputStream stream, int length)
Returns the given input stream as a byte array 
byte[] contents;
if (length == -1) {
    contents = new byte[0];
    int contentsLength = 0;
    int amountRead = -1;
    do {
        int amountRequested = Math.max(stream.available(), DEFAULT_READING_SIZE);
        if (contentsLength + amountRequested > contents.length) {
...