/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.deltaspike.test.utils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
/**
* A few helper methods for testing serialisation.
* They help serializing to a byte[] and back to the object
*/
public class Serializer<T>
{
/**
* Serializes the given instance to a byte[] and immediately
* de-serialize it back.
* @param original instance
* @return the deserialized new instance
*/
public T roundTrip(T original)
{
return deserialize(serialize(original));
}
/**
* Serializes the given instance to a byte[].
*/
public byte[] serialize(T o)
{
try
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = null;
oos = new ObjectOutputStream(baos);
oos.writeObject(o);
return baos.toByteArray();
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
/**
* De-serializes the given byte[] to an instance of T.
*/
public T deserialize(byte[] serial)
{
try
{
ByteArrayInputStream bais = new ByteArrayInputStream(serial);
ObjectInputStream ois = new ObjectInputStream(bais);
return (T) ois.readObject();
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
}