Serialization Utilities : Object Serialization « File « Java Tutorial

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Java Tutorial » File » Object Serialization 
11. 38. 13. Serialization Utilities
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class SerializationUtils {

    public static byte[] serialize(Object obj) {
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutputStream oos = new ObjectOutputStream(buffer);
            oos.writeObject(obj);
            oos.close();
            return buffer.toByteArray();
        catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException("error writing to byte-array!");
        }
    }

    public static Object deserialize(byte[] bytes)
            throws ClassNotFoundException {
        try {
            ByteArrayInputStream input = new ByteArrayInputStream(bytes);
            ObjectInputStream ois = new ObjectInputStream(input);
            return ois.readObject();
        catch (IOException e) {
            e.printStackTrace();
            throw new RuntimeException("error reading from byte-array!");
        }
    }

    public static Object serializedCopy(Object obj) {
        try {
            return deserialize(serialize(obj));
        catch (ClassNotFoundException e) {
            throw new RuntimeException("this shouldn't happen");
        }
    }

}
11. 38. Object Serialization
11. 38. 1. Conditions for Serialization
11. 38. 2. Storing Objects in a File
11. 38. 3. Reading an Object From a File
11. 38. 4. Serializing Variations on an Object
11. 38. 5. Writing objects sequentially to a file with class ObjectOutputStream
11. 38. 6. Read a file of objects sequentially and displays each record
11. 38. 7. Only parent class is Serializable
11. 38. 8. Saving and restoring the state of classes
11. 38. 9. Class combination Serialization
11. 38. 10. Controlling serialization by adding your own
11. 38. 11. Serialization with ObjectInputStream and ObjectOutputStream
11. 38. 12. Deal with transient in Object Serialization
11. 38. 13. Serialization Utilities
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