package data;

import java.io.File;
import java.io.IOException;
import java.net.ServerSocket;

import org.apache.log4j.xml.DOMConfigurator;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.FileSystemXmlApplicationContext;

import data.util.Location;

public class Entrance {
	/**
	  * @属性 locationpath: 获取程序工作目录
	  */
	private static Location locationpath = new Location();
	
	
	/**
	  * @属性 context: 应用程序上下文
	  */
	private static ApplicationContext context;
	
	
	/**
	  * @属性 serverSocket: 用来绑定端口
	  */
	public static ServerSocket serverSocket;
	
	public static void main(String[] args) throws IOException {
		// 验证输入参数个数
		if(args.length != 3){
			System.out.println("Import Process needs 3 arguments.");
			return;
		}

		try {
			// 将进程绑定到输入参数指定的端口
			serverSocket = new ServerSocket(Integer.parseInt(args[2]));				
		} catch (NumberFormatException e) {
			System.out.println("The argument(port) must be a number!");
			System.exit(0);
		} catch (IOException e) {
			System.out.println("There has already been a running import process!");
			System.exit(0);
		}

		//初始化配置文件
		DOMConfigurator.configure(locationpath.getPath() + File.separator + args[1]);

		//通过配置文件，初始化Spring配置文件中指定的配置
		if (context == null) {							
			context = new FileSystemXmlApplicationContext(args[0]);
		}
	}
}