/*
* Copyright 1999-2010 Luca Garulli (l.garulli--at--orientechnologies.com)
*
* 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 com.orientechnologies.orient.core.serialization.serializer.stream;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import com.orientechnologies.orient.core.db.record.ODatabaseRecord;
import com.orientechnologies.orient.core.exception.OSerializationException;
import com.orientechnologies.orient.core.serialization.serializer.string.OStringSerializerAnyRuntime;
/**
* Uses the Java serialization.
*
* @see OStringSerializerAnyRuntime
* @author Luca Garulli
*
*/
public class OStreamSerializerAnyRuntime implements OStreamSerializer {
private static final String NAME = "au";
public static final OStreamSerializerAnyRuntime INSTANCE = new OStreamSerializerAnyRuntime();
public String getName() {
return NAME;
}
/**
* Re-Create any object if the class has a public constructor that accepts a String as unique parameter.
*/
public Object fromStream(final ODatabaseRecord iDatabase, final byte[] iStream) throws IOException {
if (iStream == null || iStream.length == 0)
// NULL VALUE
return null;
final ByteArrayInputStream is = new ByteArrayInputStream(iStream);
final ObjectInputStream in = new ObjectInputStream(is);
try {
return in.readObject();
} catch (ClassNotFoundException e) {
throw new OSerializationException("Can't unmarshall Java serialized object", e);
} finally {
in.close();
is.close();
}
}
public byte[] toStream(final ODatabaseRecord iDatabase, final Object iObject) throws IOException {
if (iObject == null)
return new byte[0];
final ByteArrayOutputStream os = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(os);
oos.writeObject(iObject);
oos.close();
return os.toByteArray();
}
}