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

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

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/*
 * Copyright 2002-2013 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.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.integration.Message;
import org.springframework.integration.MessagingException;
import org.springframework.integration.endpoint.MessageProducerSupport;
import org.springframework.integration.syslog.DefaultMessageConverter;
import org.springframework.integration.syslog.MessageConverter;

/**
 * Base support class for inbound channel adapters. The default port is 514.
 *
 * @author Gary Russell
 * @since 3.0
 *
 */
public abstract class SyslogReceivingChannelAdapterSupport extends MessageProducerSupport {

    protected static final int DEFAULT_PORT = 514;

    private volatile int port = DEFAULT_PORT;

    protected final Log logger = LogFactory.getLog(this.getClass());

    private volatile MessageConverter converter = new DefaultMessageConverter();

    /**
     * @return The port on which this adapter listens.
     */
    protected int getPort() {
        return this.port;
    }

    /**
     * Sets the port on which the adapter listens; default is 514; note that
     * the RFC does not specify a well known port for TCP; 514 is the well-known
     * port for UDP. Many admins also use 514 for TCP; see RFC-6587 for more
     * information about TCP and RFC-3164/5424 for more information about UDP.
     * @param port The port.
     */
    public void setPort(int port) {
        this.port = port;
    }

    /**
     * A {@link MessageConverter} to convert the byte array payload
     * of the underlying UDP/TCP message to a Spring Integration message
     * with decoded payload and headers; default is {@link DefaultMessageConverter}.
     * @param converter The converter.
     */
    public void setConverter(MessageConverter converter) {
        this.converter = converter;
    }

    protected void convertAndSend(Message<?> message) {
        try {
            this.sendMessage(this.converter.fromSyslog(message));
        } catch (Exception e) {
            throw new MessagingException(message, e);
        }
    }

}