package com.vci.web.other;

import com.vci.corba.common.PLException;

import java.util.HashMap;
import java.util.Map;

/**
 * 下载文件的线程存储的信息
 */
public class VciFileDownloadInfo {

    static final Object syncObject = new Object();

    private static Map<String,Map<String,String>> downloadFileInfo = new HashMap<String, Map<String,String>>();

    /**
     * 添加信息
     * @param clientPath 临时文件夹的信息
     * @param fileOid 文件主键
     * @param errorInfo 错误信息
     */
    public  static void addDownloadFileInfo(String clientPath,String fileOid,String errorInfo){
        synchronized (syncObject) {
            Map<String,String> errorMap = new HashMap<String, String>();
            if(downloadFileInfo.containsKey(clientPath)){
                errorMap = downloadFileInfo.get(clientPath);
            }
            errorMap.put(fileOid,errorInfo);
            downloadFileInfo.put(clientPath, errorMap);
        }
    }



    /**
     * 移除错误信息
     * @param clientPath 临时文件夹的信息
     */
    public  static void removeDownloadFileInfo(String clientPath){
        synchronized (syncObject){
            downloadFileInfo.remove(clientPath);
        }
    }

    /**
     * 获取错误信息
     * @param clientPath 临时文件夹的信息
     * @return
     */
    public static Map<String,String> getDownloadFileInfo(String clientPath){
        return downloadFileInfo.get(clientPath);
    }

    /**
     * 是否有错误信息
     * @param clientPath
     * @return
     */
    public static boolean isHasErrorInfo(String clientPath){
        synchronized (syncObject){
            return downloadFileInfo.containsKey(clientPath);
        }
    }

    public static void getDownloadErrorInfo(String clientPath) throws PLException {
        Map<String,String> errorMap = getDownloadFileInfo(clientPath);
        String errorMsg = "";
        String[] errorArray = errorMap.values().toArray(new String[0]);
        VciFileDownloadInfo.removeDownloadFileInfo(clientPath);
        errorMsg = errorArray[0] +(errorArray.length>1?("；另有" + errorArray.length + "个文件也出现了错误"):"");
        throw new PLException(errorMsg,errorArray);
    }

}