package com.kixeye.kixmpp.p2p.message;
/*
* #%L
* Zaqar
* %%
* Copyright (C) 2014 Charles Barry
* %%
* 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.
* #L%
*/
import com.kixeye.kixmpp.p2p.serialization.ProtostuffEncoder;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
/**
* Cache serialized byte buffer of the message for cases we need
* to send the message to multiple nodes.
*/
public class MessageWrapper {
private static final Logger logger = LoggerFactory.getLogger(MessageWrapper.class);
private Object message;
private ByteBuf buf;
public static MessageWrapper wrap(Object message) {
return new MessageWrapper(message);
}
public MessageWrapper(Object message) {
this.message = message;
this.buf = null;
}
public Object getMessage() {
return message;
}
public ByteBuf getSerialized(MessageRegistry messageRegistry) {
if (buf == null) {
try {
buf = ProtostuffEncoder.serializeToByteBuf(messageRegistry, Unpooled.directBuffer(256), message);
} catch (IOException e) {
logger.error("Exception serializing message", e);
}
}
return buf;
}
public void release() {
if (buf != null) {
buf.release();
buf = null;
}
}
}