package com.base;

import java.io.IOException;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class Com {
	final public static int UploadData_ClientType_BS_CLI = 0;
	final public static int UploadData_ClientType_CS_CLI = 1;
	final public static int UploadData_ClientType_CS_SVR = 2;
	
	final public static String DTF_YMDhms = "yyyy-MM-dd HH:mm:ss";
	final public static String DTF_YMDhm = "yyyy-MM-dd HH:mm";
	final public static String DTF_YMDh = "yyyy-MM-dd HH";
	final public static String DTF_YMD = "yyyy-MM-dd";
	final public static String DTFYMD = "yyyyMMdd";
	final public static String DTF_hms = "HH:mm:ss";
	final public static String DTF_YMD_h_m_s = "yyyy-MM-dd+HH_mm_ss";
	//final public static DateFormat DateTimeFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
	
	final public static String DTF_YM = "yyyy_MM";
	final public static String DTF_Y = "yyyy";
	
	/**
	 * ½«´«ÈëµÄʱ¼äת»»³ÉÖ¸¶¨µÄµÄʱ¼ä¸ñʽ²¢·µ»Øʱ¼ä¸ñʽ»¯Ö®ºóµÄ×Ö·û´®
	 * @param dt		ÐèҪת»»µÄʱ¼ä
	 * @param format	¸ñʽ»¯×Ö·û´®
	 * @return
	 */
	public static String getDateTimeFormat(Date dt, String format){
		DateFormat dtf = new SimpleDateFormat(format);
		return dtf.format(dt);
	}
	
	/**
	 * ½«´«ÈëµÄ×Ö·û´®°´Ö¸¶¨µÄ¸ñʽ½âÎö³Éʱ¼äÀàÐͲ¢·µ»Ø
	 * @param dt       ÐèÒª½âÎöµÄ×Ö·û´®
	 * @param format   Ö¸¶¨µÄʱ¼ä¸ñʽ
	 * @return
	 */
	public static Date getDateTimeFromStr(String dt, String format){
		DateFormat dtf = new SimpleDateFormat(format);
		Date date = new Date();
		try {
			date = dtf.parse(dt);
		} catch (ParseException e) {
			e.printStackTrace();
		}
		
		return date;
	}
	
	public static String getNowTimeWithAt() {
		return " @ " + Com.getDateTimeFormat(new Date(), Com.DTF_YMDhms);
	}
	
	/**
     * ÅжÏnumber²ÎÊýÊÇ·ñÊÇÕûÐÍÊý±íʾ·½Ê½
     * @param number
     * @return
     */
    public static boolean isIntegerNumber(String number){
        number = number.trim();
        String intNumRegex = "\\-{0,1}\\d+";	//ÕûÊýµÄÕýÔò±í´ïʽ
        if(number.matches(intNumRegex))
            return true;
        else
            return false;
    }
      
    /**
     * ÅжÏnumber²ÎÊýÊÇ·ñÊǸ¡µãÊý±íʾ·½Ê½
     * @param numbe
     * @return
     */
    public static boolean isFloatPointNumber(String number){
        number = number.trim();
        String intNumRegex = "\\-{0,1}\\d+";				//ÕûÊýµÄÕýÔò±í´ïʽ
        String pointPrefix = "(\\-|\\+){0,1}\\d*\\.\\d+";	//¸¡µãÊýµÄÕýÔò±í´ïʽ-СÊýµãÔÚÖмäÓëÇ°Ãæ
        String pointSuffix = "(\\-|\\+){0,1}\\d+\\.";		//¸¡µãÊýµÄÕýÔò±í´ïʽ-СÊýµãÔÚºóÃæ
        if(number.matches(intNumRegex) || number.matches(pointPrefix) || number.matches(pointSuffix))
            return true;
        else
            return false;
    }
    
    /**
     * ÅжÏnumber²ÎÊýÊÇ·ñÊÇÈÕÆÚ±íʾ·½Ê½
     * @param str
     * @return
     */
    public static boolean isValidDate(String str, String format) {
    	boolean convertSuccess = true;
        try {
        	//DateTimeFormat.setLenient(false);
        	DateFormat dtf = new SimpleDateFormat(format);
        	dtf.parse(str);
         } catch (ParseException e) {
             convertSuccess = false;
         }
         return convertSuccess;
	}
    
    /**
     * ÉèÖÃϵͳµÄÈÕÆÚʱ¼ä
     * @param str
     * @return
     */
    public static void setDateTime(Date ts){
    	String osName = System.getProperty("os.name");
    	String cmd = "";
    	
    	try {
    		if (osName.matches("^(?i)Windows.*$")) {// Window ϵͳ
	    		// ¸ñʽ HH:mm:ss
	    		cmd = "cmd /c time " + getDateTimeFormat(ts, Com.DTF_hms);
	    		Runtime.getRuntime().exec(cmd);
	    		// ¸ñʽ£ºyyyy-MM-dd
	    		cmd = "cmd /c date " + getDateTimeFormat(ts, Com.DTF_YMD);  
	    		Runtime.getRuntime().exec(cmd);  
    		} else {// Linux ϵͳ
	    		// ¸ñʽ£ºyyyyMMdd
	    		cmd = "date -s " + getDateTimeFormat(ts, Com.DTFYMD);
	    		Runtime.getRuntime().exec(cmd);
	    		// ¸ñʽ HH:mm:ss
	    		cmd = "date -s " + getDateTimeFormat(ts, Com.DTF_hms);
	    		Runtime.getRuntime().exec(cmd);
    		}
    	} catch (IOException e) {
    	      e.printStackTrace();
    	}
	}
    
    /**
     * 
     * @param 
     * @return
     */
    public static void getIPFromStr(String ipstr, byte ip[])
	{
		try
		{
			for(int n=0; n < 3; n++)
			{
				int index = ipstr.indexOf('.');
				if(index > 0)
					ip[n] = (byte)Integer.parseInt(ipstr.substring(0, index));
				
				ipstr = ipstr.substring(index+1);
			}
			ip[3] = (byte)Integer.parseInt(ipstr);
			
			//System.out.println((ip[0]&0xFF) + ": "+(ip[1]&0xFF) + ": "+(ip[2]&0xFF)+ ": "+(ip[3]&0xFF));
		}
		catch(Exception e)
		{
			System.out.println(e.getMessage());
		}
	}
    
    /**
	 *	»ñÈ¡½ñÄêµÚÒ»Ìì0µãʱ¼ä
	 *  @return
	 */
	public static long getYearFirstDay(Date time) {
		//System.out.println(Com.getDateTimeFormat(time, Com.DTF_YMD));	
		Calendar currCal = Calendar.getInstance();// »ñÈ¡µ±Ç°ÈÕÆÚ
		currCal.setTime(time);
	
		Calendar calendar = Calendar.getInstance();
		calendar.clear();
		calendar.set(Calendar.YEAR,currCal.get(Calendar.YEAR));
	
		//System.out.println(calendar.getTimeInMillis());
	
		return calendar.getTimeInMillis();
	
	}

	public static String get_DTF(Date dt, String format){
		DateFormat dtf = new SimpleDateFormat(format);
		return dtf.format(dt);
	}
}