/*
* 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.core.io.IORuntimeException;
import net.openhft.chronicle.hash.serialization.SizedReader;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
public final class ByteArraySizedReader
implements SizedReader<byte[]>, EnumMarshallable<ByteArraySizedReader> {
public static final ByteArraySizedReader INSTANCE = new ByteArraySizedReader();
private ByteArraySizedReader() {}
@NotNull
@Override
public byte[] read(@NotNull Bytes in, long size, @Nullable byte[] using) {
if (size < 0L || size > (long) Integer.MAX_VALUE) {
throw new IORuntimeException("byte[] size should be non-negative int, " +
size + " given. Memory corruption?");
}
int arrayLength = (int) size;
if (using == null || arrayLength != using.length)
using = new byte[arrayLength];
in.read(using);
return using;
}
@Override
public ByteArraySizedReader readResolve() {
return INSTANCE;
}
}