/*
* 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.connection;
import org.springframework.integration.support.AbstractIntegrationMessageBuilder;
import org.springframework.messaging.Message;
import org.springframework.messaging.converter.MessageConverter;
import org.springframework.util.Assert;
/**
* @author Gary Russell
* @since 3.0
*
*/
public class MessageConvertingTcpMessageMapper extends TcpMessageMapper {
private final MessageConverter messageConverter;
public MessageConvertingTcpMessageMapper(MessageConverter messageConverter) {
Assert.notNull(messageConverter, "'messageConverter' must not be null");
this.messageConverter = messageConverter;
}
@Override
public Message<?> toMessage(TcpConnection connection) throws Exception {
Object data = connection.getPayload();
if (data != null) {
Message<?> message = this.messageConverter.toMessage(data, null);
AbstractIntegrationMessageBuilder<?> messageBuilder = this.getMessageBuilderFactory().fromMessage(message);
this.addStandardHeaders(connection, messageBuilder);
this.addCustomHeaders(connection, messageBuilder);
return messageBuilder.build();
}
else {
if (logger.isWarnEnabled()) {
logger.warn("Null payload from connection " + connection.getConnectionId());
}
return null;
}
}
@Override
public Object fromMessage(Message<?> message) throws Exception {
return this.messageConverter.fromMessage(message, Object.class);
}
}