org.springframework.integration.syslog.inbound.UdpSyslogReceivingChannelAdapter.java Source code

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Here is the source code for org.springframework.integration.syslog.inbound.UdpSyslogReceivingChannelAdapter.java

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/*
 * Copyright 2002-2019 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
 *
 *      https://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
    protected int getPort() {
        if (this.udpAdapter == null) {
            return super.getPort();
        } else {
            return this.udpAdapter.getPort();
        }
    }

    @Override
    public String getComponentType() {
        return "syslog:inbound-channel-adapter(udp)";
    }

    @Override
    protected void onInit() {
        super.onInit();
        if (this.udpAdapter == null) {
            this.udpAdapter = new UnicastReceivingChannelAdapter(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();
    }

}