Java Utililty Methods Object to Byte Array

List of utility methods to do Object to Byte Array

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Description

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

Method

byte[]getBytes(Object o)
get Bytes 
ByteArrayOutputStream byteStream = new ByteArrayOutputStream(5000);
ObjectOutputStream os = new ObjectOutputStream(new BufferedOutputStream(byteStream));
os.flush();
os.writeObject(o);
os.flush();
return byteStream.toByteArray();
byte[]getBytes(Object o)
get Bytes 
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
ObjectOutputStream obOut = null;
try {
    obOut = new ObjectOutputStream(bOut);
    obOut.writeObject(o);
    obOut.flush();
    bOut.flush();
    obOut.close();
...
byte[]getBytes(Object o)
get Bytes 
if (o instanceof String) {
    return ((String) o).getBytes();
} else if (o instanceof byte[]) {
    return ((byte[]) o);
} else if (o instanceof Serializable) {
    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    ObjectOutput out = null;
    try {
...
byte[]getBytes(Object obj)
get Bytes 
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(bos);
oos.writeObject(obj);
oos.flush();
oos.close();
bos.close();
byte[] data = bos.toByteArray();
return data;
...
byte[]getBytes(Object obj)
Gets the bytes. 
ByteArrayOutputStream bout = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bout);
out.writeObject(obj);
out.flush();
byte[] bytes = bout.toByteArray();
bout.close();
out.close();
return bytes;
...
byte[]getBytes(Object obj)
get Bytes 
ObjectOutputStream oos = null;
ByteArrayOutputStream baos = null;
try {
    baos = new ByteArrayOutputStream();
    oos = new ObjectOutputStream(baos);
    oos.writeObject(obj);
    oos.flush();
} catch (IOException e) {
...
byte[]getBytes(Object obj)
get Bytes 
byte[] b = null;
ByteArrayOutputStream bos = null;
ObjectOutputStream oos = null;
try {
    bos = new ByteArrayOutputStream();
    oos = new ObjectOutputStream(bos);
    oos.writeObject(obj);
    oos.flush();
...
byte[]getBytes(Object obj)
get Bytes 
if (obj instanceof byte[])
    return (byte[]) obj;
if (obj instanceof String)
    return ((String) obj).getBytes();
try {
    return serialize(obj);
} catch (Exception ex) {
return new byte[] {};
byte[]getBytes(Object obj)
get Bytes 
if (obj == null)
    return null;
if (obj instanceof String) {
    try {
        return ((String) obj).getBytes(Charset);
    } catch (UnsupportedEncodingException e) {
        return null;
java.io.ByteArrayOutputStream a = new java.io.ByteArrayOutputStream();
try {
    ObjectOutputStream o = new ObjectOutputStream(a);
    o.writeObject(obj);
    o.flush();
    byte[] bytes = a.toByteArray();
    o.close();
    a.close();
    return bytes;
} catch (IOException e) {
    return null;
byte[]getBytes(Object v, byte[] defaultValue)
get Bytes 
if (v == null || VALUE_BLANK.equals(v)) {
    return null;
} else if (v instanceof byte[]) {
    return (byte[]) v;
} else if (v instanceof java.io.Serializable) {
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    ObjectOutputStream oout;
    try {
...