/*
* Copyright 2002-2015 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.syslog.inbound;
import org.springframework.integration.channel.FixedSubscriberChannel;
import org.springframework.integration.ip.udp.UnicastReceivingChannelAdapter;
/**
* UDP implementation of a syslog inbound channel adapter.
*
* @author Gary Russell
* @author Artem Bilan
* @since 3.0
*
*/
public class UdpSyslogReceivingChannelAdapter extends SyslogReceivingChannelAdapterSupport {
private volatile UnicastReceivingChannelAdapter udpAdapter;
private volatile boolean udpAdapterSet;
public void setUdpAdapter(UnicastReceivingChannelAdapter udpAdpter) {
this.udpAdapter = udpAdpter;
this.udpAdapterSet = true;
}
@Override
public String getComponentType() {
return "syslog:inbound-channel-adapter(udp)";
}
@Override
protected void onInit() {
super.onInit();
if (this.udpAdapter == null) {
this.udpAdapter = new UnicastReceivingChannelAdapter(this.getPort());
this.udpAdapter.setBeanFactory(getBeanFactory());
}
else {
logger.info("The 'UdpSyslogReceivingChannelAdapter' overrides an 'outputChannel' " +
"of the provided 'UnicastReceivingChannelAdapter' to support Syslog conversion " +
"for the incoming UDP packets");
}
this.udpAdapter.setOutputChannel(new FixedSubscriberChannel(message -> convertAndSend(message)));
if (!this.udpAdapterSet) {
this.udpAdapter.afterPropertiesSet();
}
}
@Override
protected void doStart() {
super.doStart();
this.udpAdapter.start();
}
@Override
protected void doStop() {
super.doStop();
this.udpAdapter.stop();
}
}