org.omnifaces.util.copier.SerializationCopier Maven / Gradle / Ivy
/*
* Copyright 2020 OmniFaces
*
* 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
*
* https://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.omnifaces.util.copier;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
/**
* Copier that copies an object by serializing and subsequently deserializing it again.
*
* As per the platform serialization rules, the object and all its non transient dependencies have
* to implement the {@link Serializable} interface.
*
* @since 2.0
* @author Arjan Tijms
*
*/
public class SerializationCopier implements Copier {
@Override
public Object copy(Object object) {
if (!(object instanceof Serializable)) {
throw new IllegalStateException("Can't copy object of type " + object.getClass() + " since it doesn't implement Serializable");
}
try {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
new ObjectOutputStream(outputStream).writeObject(object);
return new ObjectInputStream(new ByteArrayInputStream(outputStream.toByteArray())).readObject();
} catch (IOException | ClassNotFoundException e) {
throw new IllegalStateException(e);
}
}
}