/*
* Copyright 2002-2016 the original author or authors.
*
* 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.
*/
package org.springframework.integration.ip.tcp.serializer;
import java.io.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.ApplicationEventPublisherAware;
import org.springframework.core.serializer.Deserializer;
import org.springframework.core.serializer.Serializer;
/**
* Base class for (de)serializers that provide a mechanism to
* reconstruct a byte array from an arbitrary stream.
*
* @author Gary Russell
* @since 2.0
*
*/
public abstract class AbstractByteArraySerializer implements
Serializer<byte[]>,
Deserializer<byte[]>,
ApplicationEventPublisherAware {
protected int maxMessageSize = 2048;
protected final Log logger = LogFactory.getLog(this.getClass());
private ApplicationEventPublisher applicationEventPublisher;
/**
* The maximum supported message size for this serializer.
* Default 2048.
* @return The max message size.
*/
public int getMaxMessageSize() {
return this.maxMessageSize;
}
/**
* The maximum supported message size for this serializer.
* Default 2048.
* @param maxMessageSize The max message size.
*/
public void setMaxMessageSize(int maxMessageSize) {
this.maxMessageSize = maxMessageSize;
}
@Override
public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
this.applicationEventPublisher = applicationEventPublisher;
}
protected void checkClosure(int bite) throws IOException {
if (bite < 0) {
this.logger.debug("Socket closed during message assembly");
throw new IOException("Socket closed during message assembly");
}
}
protected void publishEvent(Exception cause, byte[] buffer, int offset) {
TcpDeserializationExceptionEvent event = new TcpDeserializationExceptionEvent(this, cause, buffer, offset);
if (this.applicationEventPublisher != null) {
this.applicationEventPublisher.publishEvent(event);
}
else if (this.logger.isTraceEnabled()) {
this.logger.trace("No event publisher for " + event);
}
}
}