com.seomse.api.server.ReceiveCommunication Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of seomse-api Show documentation
api, reverse api, push, receive
There is a newer version: 1.0.8
/*
 * Copyright (C) 2020 Seomse Inc.
 *
 * 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  com.seomse.api.server;

import com.seomse.api.communication.StringReceive;
import com.seomse.commons.handler.ExceptionHandler;
import com.seomse.commons.utils.ExceptionUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.net.Socket;

/**
 * 메시지 전달 받는 통신
 * 메시지를 정해진 크기 만큼 받고
 * 메시지 종료 여부를 전달 받을 떄 활용
 *
 * 대량 메시지를 전달 받기 위해 개발됨
 * @author macle
 */
public class ReceiveCommunication extends Thread{
	
	private static final Logger logger = LoggerFactory.getLogger(ReceiveCommunication.class);
	
	private final StringReceive stringReceive;
	
	private ExceptionHandler exceptionHandler;

	/**
	 * 생성자
	 * @param socket Socket
	 * @param bufSize int
	 * @throws IOException IOException
	 */
	ReceiveCommunication(Socket socket, int bufSize) throws  IOException{
		stringReceive = new StringReceive(socket, bufSize);
	}


	/**
	 * ExceptionHandler 설정
	 * @param exceptionHandler ExceptionHandler 예외 핸들링
	 */
	public void setExceptionHandler(ExceptionHandler exceptionHandler) {
		this.exceptionHandler = exceptionHandler;
	}


	private MessageReceiver messageReceiver = null;
	
	@Override
	public void run(){
		
		StringBuilder sb = new StringBuilder();
		while(true){
			
			try{
				String message = stringReceive.receive();
				if(message == null){
					break;
				}
				if(messageReceiver == null){
					sb.append(message);
					String classSearch = sb.toString();
					int index = classSearch.indexOf(',');
					
					if(index ==-1){
						continue;
					}
					messageReceiver = (MessageReceiver)Class.forName(classSearch.substring(0, index)).newInstance();
					
					if(index != classSearch.length()-1){
						messageReceiver.receive(classSearch.substring(index+1));
					}					
					sb.setLength(0);

				}else{
					messageReceiver.receive(message);	
				}
				
				
			
			}catch(Exception e){
				ExceptionUtil.exception(e, logger, exceptionHandler);
				break;
			}
		}
		try{
			if(messageReceiver != null){
				messageReceiver.end();
			}
		}catch(Exception e){
			ExceptionUtil.exception(e, logger, exceptionHandler);
		}
		stringReceive.disConnect();
	}
	
}