/*
* Copyright 2002-2013 the original author or authors.
*
* Licensed 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.springframework.util;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.NotSerializableException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
/**
* Utilities for testing serializability of objects.
* Exposes static methods for use in other test cases.
*
* @author Rod Johnson
*/
public class SerializationTestUtils {
public static void testSerialization(Object o) throws IOException {
OutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(o);
}
public static boolean isSerializable(Object o) throws IOException {
try {
testSerialization(o);
return true;
}
catch (NotSerializableException ex) {
return false;
}
}
public static Object serializeAndDeserialize(Object o) throws IOException, ClassNotFoundException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(o);
oos.flush();
baos.flush();
byte[] bytes = baos.toByteArray();
ByteArrayInputStream is = new ByteArrayInputStream(bytes);
ObjectInputStream ois = new ObjectInputStream(is);
Object o2 = ois.readObject();
return o2;
}
}