package com.base;

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Properties;

import com.base.Constant;

public class Resource {

	private static Map<String, String> properties = new HashMap<>();
	
	static{
		// 读取 properties文件
//		readPropertiesFile(Constant.SYSTEM_PROPERTIES_FIEL_PATH);
		readPropertiesFile4Chinese(Constant.I18N_PROPERTIES_FIEL_PATH);
	
	}

	/**
	 * @功能 读取配置（解决中文乱码）
	 * @param filename  "/com/utils/exception/i18n.properties"  的格式
	 */
	public static void readPropertiesFile4Chinese(String filename) {
		Properties pro = new Properties();
		try {
			// 读取属性文件 XXXX.properties（Reader。writer解决中文乱码）
//			InputStreamReader in= new InputStreamReader(Resource.class.getClassLoader().getResourceAsStream(filename), "UTF-8");
			InputStreamReader in= new InputStreamReader(Resource.class.getResourceAsStream(filename), "UTF-8");
			BufferedReader bf = new BufferedReader(in);
	//		InputStreamReader in = new BufferedInputStream(new FileInputStream(filename));
			pro.load(bf); // /加载属性列表
			Iterator<String> it = pro.stringPropertyNames().iterator();
			while (it.hasNext()) {
				String key = it.next();
				properties.put(key, pro.getProperty(key));
			}
			in.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	/**
	 * @功能  获得properties
	 * @return properties
	 */
	public static Map<String, String> getProperties() {
		return properties;
	}

	/**
	 * @功能 读取配置
	 * @param filename 文件绝对路径
	 */
	public static void readPropertiesFile(String filename) {
			Properties pro = new Properties();
			try {
				// 读取属性文件 XXXX.properties（ 中文会 乱码）
				BufferedInputStream bf = new BufferedInputStream(new FileInputStream(filename));
				pro.load(bf); // /加载属性列表
				Iterator<String> it = pro.stringPropertyNames().iterator();
				while (it.hasNext()) {
					String key = it.next();
					properties.put(key, pro.getProperty(key));
				}
				bf.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}

}