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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2000, 2011 Oracle and/or its affiliates. All rights reserved.
*
*/
package com.sleepycat.bind;
import com.sleepycat.db.DatabaseEntry;
/**
* A pass-through <code>EntryBinding</code> that uses the entry's byte array as
* the key or data object.
*
* @author Mark Hayes
*/
public class ByteArrayBinding implements EntryBinding<byte[]> {
/*
* We can return the same byte[] for 0 length arrays.
*/
private static byte[] ZERO_LENGTH_BYTE_ARRAY = new byte[0];
/**
* Creates a byte array binding.
*/
public ByteArrayBinding() {
}
// javadoc is inherited
public byte[] entryToObject(DatabaseEntry entry) {
int len = entry.getSize();
if (len == 0) {
return ZERO_LENGTH_BYTE_ARRAY;
} else {
byte[] bytes = new byte[len];
System.arraycopy(entry.getData(), entry.getOffset(),
bytes, 0, bytes.length);
return bytes;
}
}
// javadoc is inherited
public void objectToEntry(byte[] object, DatabaseEntry entry) {
entry.setData(object, 0, object.length);
}
}
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