package com.oyc.mapxtreme.util;

import java.io.InputStream;
import java.util.Properties;

/**
 * 地圖參數類,在全局范圍內保存地圖的各個參數
 * @author 三峽大學理學院 歐陽超
 *
 */
public class MapConfig {
	
	//地圖參數
	private static String mapxtremeurl;
	private static String mappath;
	private static String filetoload;
	private static int mapwidth;
	private static int mapheight;
	
	//唯一實例
	private static MapConfig mapCfg = new MapConfig();
	
	/**
	 * 私有構造器
	 *
	 */
	private MapConfig(){
		
	}
	
	/**
	 * 取得本類的實例
	 * @return
	 */
	public synchronized static MapConfig getInstance(){
		return mapCfg;
	}
	
	/**
	 * 加載地圖配置文件mapxtreme.properties
	 * @throws Exception
	 */
	public void config() throws Exception {
		//加載配置文件
		InputStream in = this.getClass().getClassLoader().getResourceAsStream("mapxtreme.properties");
		if(in == null){
			System.out.println("找不到配置文件mapxtreme.properties");
			throw new Exception("找不到配置文件mapxtreme.properties");
		}
		Properties props = new Properties();
		props.load(in);
		
		//取出mapxtremeurl
		mapxtremeurl = props.getProperty("mapxtremeurl");
		if(mapxtremeurl==null || mapxtremeurl.trim().equals("")){
			System.out.println("檢查mapxtreme配置文件屬性: \"mapxtremeurl\"");
			throw new Exception("檢查mapxtreme配置文件屬性: \"mapxtremeurl\"");
		}
		
		//讀取地圖路徑
		mappath = props.getProperty("mappath");
		if(mappath==null || mappath.trim().equals("")){
			System.out.println("檢查mapxtreme配置文件屬性: \"mappath\"");
			throw new Exception("檢查mapxtreme配置文件屬性: \"mappath\"");
		}
		
		//讀取地圖文件
		filetoload = props.getProperty("filetoload");
		if(filetoload==null || filetoload.trim().equals("")){
			System.out.println("檢查mapxtreme配置文件屬性: \"filetoload\"");
			throw new Exception("檢查mapxtreme配置文件屬性: \"filetoload\"");
		}
		
		//讀取地圖寬度
		String s_size = props.getProperty("mapwidth");
		if(s_size==null || s_size.trim().equals("")){
			System.out.println("檢查mapxtreme配置文件屬性: \"mapwidth\"");
			throw new Exception("檢查mapxtreme配置文件屬性: \"mapwidth\"");
		}else{
			mapwidth = Integer.parseInt(props.getProperty("mapwidth"));
		}
		
		//讀取地圖高度
		s_size = props.getProperty("mapheight");
		if(s_size==null || s_size.trim().equals("")){
			System.out.println("檢查mapxtreme配置文件屬性: \"mapheight\"");
			throw new Exception("檢查mapxtreme配置文件屬性: \"mapheight\"");
		}else{
			mapheight = Integer.parseInt(props.getProperty("mapheight"));
		}
	}
	
	/**
	 * 測試
	 * @param args
	 * @throws Exception 
	 */
	public static void main(String[] args) throws Exception{
		mapCfg.config();
		System.out.println("mapxtremeurl:" + mapCfg.getMapxtremeurl());
		System.out.println("mappath:" + mapCfg.getMappath());
		System.out.println("filetoload:" + mapCfg.getFiletoload());
		System.out.println("mapwidth:" + mapCfg.getMapwidth());
		System.out.println("mapheight:" + mapCfg.getMapheight());
	}
	
	public String getFiletoload() {
		return filetoload;
	}
	public void setFiletoload(String filetoload) {
		MapConfig.filetoload = filetoload;
	}
	public int getMapheight() {
		return mapheight;
	}
	public void setMapheight(int mapheight) {
		MapConfig.mapheight = mapheight;
	}
	public String getMappath() {
		return mappath;
	}
	public void setMappath(String mappath) {
		MapConfig.mappath = mappath;
	}
	public int getMapwidth() {
		return mapwidth;
	}
	public void setMapwidth(int mapwidth) {
		MapConfig.mapwidth = mapwidth;
	}
	public String getMapxtremeurl() {
		return mapxtremeurl;
	}
	public void setMapxtremeurl(String mapxtremeurl) {
		MapConfig.mapxtremeurl = mapxtremeurl;
	}
	
}