java常见的序列化方式

/**
 * 纯hessian序列化
 * @param object
 * @return
 * @throws Exception
 */
public static byte[] serialize(Object object) throws Exception{
if(object==null){
throw new NullPointerException();
}
ByteArrayOutputStream os = new ByteArrayOutputStream();
HessianSerializerOutput hessianOutput=new HessianSerializerOutput(os);
hessianOutput.writeObject(object);
return os.toByteArray();
}
/**
 * 纯hessian反序列化
 * @param bytes
 * @return
 * @throws Exception
 */
public static Object deserialize(byte[] bytes) throws Exception{
if(bytes==null){
throw new NullPointerException();
}

ByteArrayInputStream is = new ByteArrayInputStream(bytes);
HessianSerializerInput hessianInput=new HessianSerializerInput(is);
Object object = hessianInput.readObject();
return object;
}

/**
 * java序列化
 * @param obj
 * @return
 * @throws Exception
 */
public static byte[] serialize(Object obj) throws Exception {
if (obj == null)
throw new NullPointerException();
ByteArrayOutputStream os = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(os);
out.writeObject(obj);
return os.toByteArray();
}
/**
 * java反序列化
 * @param by
 * @return
 * @throws Exception
 */
public static Object deserialize(byte[] by) throws Exception {
if (by == null)
throw new NullPointerException();
ByteArrayInputStream is = new ByteArrayInputStream(by);
ObjectInputStream in = new ObjectInputStream(is);
return in.readObject();

}