package com.hwlcn.security.io;
import java.io.*;
public class DefaultSerializer<T> implements Serializer<T> {
public byte[] serialize(T o) throws SerializationException {
if (o == null) {
String msg = "argument cannot be null.";
throw new IllegalArgumentException(msg);
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
BufferedOutputStream bos = new BufferedOutputStream(baos);
try {
ObjectOutputStream oos = new ObjectOutputStream(bos);
oos.writeObject(o);
oos.close();
return baos.toByteArray();
} catch (IOException e) {
String msg = "Unable to serialize object [" + o + "]. " +
"In order for the DefaultSerializer to serialize this object, the [" + o.getClass().getName() + "] " +
"class must implement java.io.Serializable.";
throw new SerializationException(msg, e);
}
}
public T deserialize(byte[] serialized) throws SerializationException {
if (serialized == null) {
String msg = "argument cannot be null.";
throw new IllegalArgumentException(msg);
}
ByteArrayInputStream bais = new ByteArrayInputStream(serialized);
BufferedInputStream bis = new BufferedInputStream(bais);
try {
ObjectInputStream ois = new ClassResolvingObjectInputStream(bis);
@SuppressWarnings({"unchecked"})
T deserialized = (T) ois.readObject();
ois.close();
return deserialized;
} catch (Exception e) {
String msg = "Unable to deserialze argument byte array.";
throw new SerializationException(msg, e);
}
}
}