/*
* Copyright (C) 2012, 2016 higherfrequencytrading.com
* Copyright (C) 2016 Roman Leventov
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.openhft.chronicle.hash.serialization.impl;
import net.openhft.chronicle.bytes.Bytes;
import net.openhft.chronicle.hash.serialization.BytesReader;
import net.openhft.chronicle.hash.serialization.SizedReader;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInputStream;
public class ExternalizableReader<T extends Externalizable> extends InstanceCreatingMarshaller<T>
implements SizedReader<T>, BytesReader<T> {
public ExternalizableReader(Class<T> tClass) {
super(tClass);
}
@NotNull
@Override
public T read(@NotNull Bytes in, long size, @Nullable T using) {
return read(in, using);
}
@NotNull
@Override
public T read(Bytes in, @Nullable T using) {
if (using == null)
using = createInstance();
try {
using.readExternal(new ObjectInputStream(in.inputStream()));
return using;
} catch (IOException | ClassNotFoundException e) {
throw new RuntimeException(e);
}
}
}