/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.kafka.common.serialization;
import java.nio.ByteBuffer;
import java.util.Map;
public class ByteBufferSerializer implements Serializer<ByteBuffer> {
public void configure(Map<String, ?> configs, boolean isKey) {
// nothing to do
}
public byte[] serialize(String topic, ByteBuffer data) {
if (data == null)
return null;
data.rewind();
if (data.hasArray()) {
byte[] arr = data.array();
if (data.arrayOffset() == 0 && arr.length == data.remaining()) {
return arr;
}
}
byte[] ret = new byte[data.remaining()];
data.get(ret, 0, ret.length);
data.rewind();
return ret;
}
public void close() {
// nothing to do
}
}