package com.travel.tools.database;
import java.text.*;
import java.util.*;
/**
*
* <p>
* Title: 通用工具类
* </p>
* <p>
* Description: 常用工具的集合，用来处理常见问题，比如中文乱码的方法等。
* </p>
* <p>
* Copyright: Copyright (c) 2003
* </p>
* <p>
* Company: Towery
* </p>
*
* @author WangPinHeng
* @version 1.0
*/
public class Tools {
public Tools() {
//
}
/**
* 字符串替换，将 source 中的 oldString 全部换成 newString
*
* @param source
* 源字符串
* @param oldString
* 老的字符串
* @param newString
* 新的字符串
* @return 替换后的字符串
*/
private static String Replace(String source, String oldString,
String newString) {
StringBuffer output = new StringBuffer();
int lengthOfSource = source.length(); // 源字符串长度
int lengthOfOld = oldString.length(); // 老字符串长度
int posStart = 0; // 开始搜索位置
int pos; // 搜索到老字符串的位置
while ((pos = source.indexOf(oldString, posStart)) >= 0) {
output.append(source.substring(posStart, pos));
output.append(newString);
posStart = pos + lengthOfOld;
}
if (posStart < lengthOfSource) {
output.append(source.substring(posStart));
}
return output.toString();
}
/**
* 转换SQL中的特殊符号，比如将单引号"'"替换为"''"，以免产生SQLException
*
* @param sqlstr
* 原SQL
* @return 处理后的SQL
*/
public static String toSql(String sqlstr) {
String strsql = sqlstr;
if (strsql == null) {
return "";
}
strsql = Replace(strsql, "'", "''");
return strsql;
}
/**
* 将ISO8859_1编码的字符串转化为GB2312编码的字符串，主要用来处理中文显示乱码的问题
*
* @param ISO8859_1str
* 通过ISO8859_1编码的字符串
* @return 通过GB2312编码的字符串
*/
public String GBString(String ISO8859_1str) {
if (ISO8859_1str == null) {
return "";
} else {
try {
return new String(ISO8859_1str.getBytes("ISO8859_1"), "GB2312");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
/**
* 将ISO8859_1编码的字符串转化为GB2312编码的字符串，主要用来处理中文显示乱码的问题
*
* @param ISO8859_1str
* 通过ISO8859_1编码的字符串
* @return 通过GB2312编码的字符串
*/
public static String GB2312FromISO8859_1(String ISO8859_1str) {
if (ISO8859_1str == null) {
return "";
} else {
try {
return new String(ISO8859_1str.getBytes("ISO8859_1"), "GB2312");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
public String trim1(String str) {
String str1 = "";
if (str.substring(0, 1).equals("?")) {
str1 = str.substring(1, str.length());
System.out.println("str1=" + str1);
} else {
str1 = str;
}
return str1.trim();
}
public String dateformat(String str) {
String day = str.substring(0, 2);
String month = str.substring(3, 5);
String year = str.substring(6, 10);
str = year + "-" + month + "-" + day;
return str;
}
public String tenformat(String str) {
if (str.length() == 8) {
String year = str.substring(0, 4);
String month = "0" + str.substring(5, 6);
String day = "0" + str.substring(7, 8);
str = year + "-" + month + "-" + day;
} else if (str.length() == 9) {
if (str.substring(6, 7).equals("-")) {
str = str.substring(0, 5) + "0" + str.substring(5, 9);
} else {
str = str.substring(0, 8) + "0" + str.substring(8, 9);
}
}
return str;
}
/**
* 计算两个时间
*
* @param str
* 原时间，strsub，需减少的时间
* @return 计算后的时间
*/
public String subTime(String str, String strSub) {
String rsTime = "";
int hour = 0;
int sec = 0;
int secsub = 0;
str = trim(str);
strSub = trim(strSub);
if (str.length() == 5) {
hour = Integer.parseInt(str.substring(0, 2));
sec = Integer.parseInt(str.substring(3, 5));
} else if (str.length() == 4) {
hour = Integer.parseInt(str.substring(0, 1));
sec = Integer.parseInt(str.substring(2, 4));
}
if (trim(strSub).length() == 5) {
secsub = Integer.parseInt(strSub.substring(0, 2));
} else if (trim(strSub).length() == 4) {
secsub = Integer.parseInt(strSub.substring(0, 1));
}
//int a = sec + secsub;
if (sec < secsub) {
//System.out.println("sub <");
String jstr = Integer.toString(sec + 60 - secsub);
String hstr = Integer.toString(hour - 1);
//System.out.println("jstr="+jstr);
//System.out.println("hstr="+hstr);
if (jstr.length() == 1) {
jstr = "0" + jstr;
}
if (hstr.length() == 1) {
hstr = "0" + hstr;
}
rsTime = hstr + ":" + jstr;
} else if (sec == secsub) {
//System.out.println("sub =");
String strh = Integer.toString(hour);
//System.out.println("strh="+strh);
if (strh.length() == 1) {
strh = "0" + strh;
}
rsTime = strh + ":00";
} else if (sec > secsub) {
//System.out.println("sub >");
String jstr = Integer.toString(sec - secsub);
//System.out.println("jstr="+jstr);
String hstr = Integer.toString(hour);
//System.out.println("hstr="+hstr);
if (jstr.length() == 1) {
jstr = "0" + jstr;
}
if (hstr.length() == 1) {
hstr = "0" + hstr;
}
rsTime = hstr + ":" + jstr;
}
return rsTime;
}
public String toSENDstr(String input) {
String r = input;
r = replace(r, "&", "");
r = replace(r, "/", "|");
r = replace(r, "\r", "");
r = replace(r, "\n", "");
r = replace(r, "'", "");
r = replace(r, " ", "");
return r;
}
public String replace(String str, String strOld, String strNew) {
String r = str;
if (str != null && strOld != null && strNew != null) {
int idx = str.indexOf(strOld);
if (idx != -1) {
String strPre = "";
r = "";
String strSuf = str;
for (; idx != -1; idx = strSuf.indexOf(strOld)) {
strPre = strSuf.substring(0, idx);
strSuf = strSuf.substring(idx + strOld.length());
r = r + strPre + strNew;
}
r = r + strSuf;
}
}
return r;
}
/**
* 计算两个时间相差的分钟数
*
* @param time1
* string，time2，string
* @return string
*/
public String diffTime(String time1, String time2) {
String rsTime = "";
int hour = 0;
int hour2 = 0;
int sec = 0;
int sec2 = 0;
String str1 = trim(time1);
String str2 = trim(time2);
if (str1.length() == 5) {
hour = Integer.parseInt(str1.substring(0, 2));
sec = Integer.parseInt(str1.substring(3, 5));
} else if (str1.length() == 4) {
hour = Integer.parseInt(str1.substring(0, 1));
sec = Integer.parseInt(str1.substring(2, 4));
}
if (str2.length() == 5) {
hour2 = Integer.parseInt(str2.substring(0, 2));
sec2 = Integer.parseInt(str2.substring(3, 5));
} else if (str2.length() == 4) {
hour2 = Integer.parseInt(str2.substring(0, 1));
sec2 = Integer.parseInt(str2.substring(2, 4));
}
//int a = sec + secsub;
if (sec < sec2) {
//System.out.println("sub <");
String jstr = Integer.toString(sec + 60 - sec2);
if (jstr.length() == 1) {
jstr = "0" + jstr;
}
if ((hour - 1) != hour2) {
String hstr = Integer.toString(hour - 1 - hour2);
if (hstr.length() == 1) {
hstr = "0" + hstr;
}
rsTime = hstr + ":" + jstr + ":00";
} else {
rsTime = jstr + ":00";
}
} else if (sec == sec2) {
//System.out.println("sub =");
if (hour != hour2) {
String strh = Integer.toString(hour - hour2);
//System.out.println("strh="+strh);
if (strh.length() == 1) {
strh = "0" + strh;
}
rsTime = strh + ":00" + ":00";
} else {
rsTime = "00:00";
}
} else if (sec > sec2) {
//System.out.println("sub >");
String jstr = Integer.toString(sec - sec2);
//System.out.println("jstr="+jstr);
if (jstr.length() == 1) {
jstr = "0" + jstr;
}
if (hour != hour2) {
String hstr = Integer.toString(hour - hour2);
//System.out.println("hstr="+hstr);
if (hstr.length() == 1) {
hstr = "0" + hstr;
}
rsTime = hstr + ":" + jstr + ":00";
} else {
rsTime = jstr + ":00";
}
}
return rsTime;
}
/**
* 计算两个时间
*
* @param str
* 原时间，stradd，需增加的时间
* @return 计算后的时间
*/
public String addTime(String str, String stradd) {
String rsTime = "";
int hour = 0;
int sec = 0;
int secadd = 0;
int houradd = 0;
str = trim(str);
stradd = trim(stradd);
if (str.length() == 5) {
hour = Integer.parseInt(str.substring(0, 2));
sec = Integer.parseInt(str.substring(3, 5));
} else if (str.length() == 4) {
hour = Integer.parseInt(str.substring(0, 1));
sec = Integer.parseInt(str.substring(2, 4));
}
if (trim(stradd).length() == 5) {
secadd = Integer.parseInt(stradd.substring(0, 2));
} else if (trim(stradd).length() == 4) {
secadd = Integer.parseInt(stradd.substring(0, 1));
} else if (trim(stradd).length() == 7) {
houradd = Integer.parseInt(stradd.substring(0, 1));
secadd = Integer.parseInt(stradd.substring(2, 4));
}
int a = sec + secadd;
if (a < 60) {
String stra = Integer.toString(a);
String strh = Integer.toString(hour + houradd);
if (stra.length() == 1) {
stra = "0" + stra;
}
if (strh.length() == 1) {
strh = "0" + strh;
} else if (Integer.parseInt(strh) > 24) {
int h = Integer.parseInt(strh) / 24;
strh = Integer.toString(h);
if (h < 10) {
strh = "0" + Integer.toString(h);
}
}
rsTime = strh + ":" + stra;
} else if (a == 60) {
String strh = Integer.toString(hour + houradd + 1);
if (strh.length() == 1) {
strh = "0" + strh;
} else if (Integer.parseInt(strh) > 24) {
int h = Integer.parseInt(strh) / 24;
strh = Integer.toString(h);
if (h < 10) {
strh = "0" + Integer.toString(h);
}
}
rsTime = strh + ":00";
} else if (a > 60) {
int i = a / 60;
int j = a % 60;
String strj = Integer.toString(j);
if (strj.length() == 1) {
strj = "0" + strj;
}
String strh = Integer.toString(hour + houradd + i);
if (strh.length() == 1) {
strh = "0" + strh;
} else if (Integer.parseInt(strh) > 24) {
int h = Integer.parseInt(strh) / 24;
strh = Integer.toString(h);
if (h < 10) {
strh = "0" + Integer.toString(h);
}
}
rsTime = strh + ":" + strj;
if (j == 0) {
rsTime = strh + ":00";
}
}
return rsTime;
}
/**
* 将UTF编码的字符串转化为GB2312编码的字符串，主要用来处理中文显示乱码的问题
*
* @param UTF
* 通过UTF编码的字符串
* @return 通过GB2312编码的字符串
*/
public static String GB2312FromUTF(String UTF) {
if (UTF == null) {
return "";
} else {
try {
return new String(UTF.getBytes("UTF-8"), "GB2312");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
/**
* 将GB2312编码的字符串转化为UTF-8编码的字符串，主要用来处理中文显示乱码的问题
*
* @param GB2312
* 通过GB2312编码的字符串
* @return 通过UTF-8编码的字符串
*/
public static String UTFFromGB2312(String GB2312) {
if (GB2312 == null) {
return "";
} else {
try {
return new String(GB2312.getBytes("GB2312"), "UTF-8");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
public static String GBKFromISO8859_1(String ISO8859_1) {
if (ISO8859_1 == null) {
return "";
} else {
try {
return new String(ISO8859_1.getBytes("ISO8859_1"), "GBK");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
public static String GBKFromUTF(String UTF) {
if (UTF == null) {
return "";
} else {
try {
return new String(UTF.getBytes("UTF-8"), "GBK");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
/**
* 将ISO8859_1编码的字符串转化为UTF-8编码的字符串，主要用来处理中文显示乱码的问题
*
* @param ISO8859_1str
* 通过ISO8859_1编码的字符串
* @return 通过UTF-8编码的字符串
*/
public static String UTFFromISO8859_1(String ISO8859_1str) {
return ISO8859_1str;
}
public static String UTFFromGBK(String GBK) {
if (GBK == null) {
return "";
} else {
try {
return new String(GBK.getBytes("GBK"), "UTF-8");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
/**
* 将UTF-8编码的字符串转化为ISO8859_1编码的字符串，主要用来处理中文显示乱码的问题
*
* @param UTF
* 通过UTF编码的字符串
* @return 通过ISO8859_1编码的字符串
*/
public static String ISO8859_1FromUTF(String UTFstr) {
if (UTFstr == null) {
return "";
} else {
try {
return new String(UTFstr.getBytes("UTF-8"), "ISO8859_1");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
/**
* 将GB2312编码的字符串转化为ISO8859_1编码的字符串
*
* @param GBstr
* GB2312编码的字符串
* @return ISO8859_1编码的字符串
*/
public static String ISO8859_1String(String GBstr) {
if (GBstr == null) {
return "";
} else {
try {
return new String(GBstr.getBytes("GB2312"), "ISO8859_1");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
/**
* 将GB2312编码的字符串转化为ISO8859_1编码的字符串
*
* @param GBstr
* GB2312编码的字符串
* @return ISO8859_1编码的字符串
*/
public String ISO8859_1FromGB2312(String GBstr) {
if (GBstr == null) {
return "";
} else {
try {
return new String(GBstr.getBytes("GB2312"), "ISO8859_1");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
public static String ISO8859_1FromGBK(String GBK) {
if (GBK == null) {
return "";
} else {
try {
return new String(GBK.getBytes("GBK"), "ISO8859_1");
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
}
/**
* 去除字符串两端空格。
*
* @param str
* 需要处理的字符串
* @return 去掉了两端空格的字符串，如果str 为 null 则返回 ""
*/
public static String trim(String str) {
if (str != null) {
return str.trim();
} else {
return "";
}
}
// static public String mm_dd_yyyy = "MM-dd-yyyy HH:mm:ss";
/**
* 获得当前年份
*
* @return 当前年份，格式如：2003
*/
public static int getCurrentYear() {
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("yyyy");
return Integer.parseInt(sdf.format(new java.util.Date()));
}
/**
* 获得当前月份
*
* @return 当前月份
*/
public static int getCurrentMonth() {
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("M");
return Integer.parseInt(sdf.format(new java.util.Date()));
}
/**
* 获得当前天
*
* @return 当前天
*/
public static int getCurrentDay() {
Calendar calendar = Calendar.getInstance();
return calendar.get(Calendar.DATE);
}
public static String getCurrentDateTime() {
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
"yyyy-MM-dd H:mm");
return sdf.format(new Date());
}
/**
* 获得形如 19770608 格式的当前年月日
*
* @return 当前年月日
*/
public static String getSimpleCurrentDate() {
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
"yyyyMMdd HH:mm:ss");
return sdf.format(new java.util.Date());
}
/**
* 返回两个日期相差天数
*
* @param d1
* 日期
* @param d2
* 日期
* @return 天数
*/
public int diffDate(Date d1, Date d2) {
if ((d1 == null) || (d2 == null))
return 0;
Calendar cal = Calendar.getInstance();
// from Locale, has nothing to do with your input date format
int zoneoffset = cal.get(Calendar.ZONE_OFFSET);
int dstoffset = cal.get(Calendar.DST_OFFSET);
// getTime() return absolute GMT time
// compensate with the offsets
long dl1 = d1.getTime() + zoneoffset + dstoffset;
long dl2 = d2.getTime() + zoneoffset + dstoffset;
int intDaysFirst = (int) (dl1 / (60 * 60 * 1000 * 24)); //60*60*1000
int intDaysSecond = (int) (dl2 / (60 * 60 * 1000 * 24));
return intDaysFirst > intDaysSecond ? intDaysFirst - intDaysSecond
: intDaysSecond - intDaysFirst;
}
/**
* 将给定的时间转换为格式是8位的字符串
*
* @param date
* 给定的时间
* @return 格式化后的字符串形式的时间
*/
public String get8BitDate(java.util.Date date) {
if (date == null) {
return "";
}
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
"yyyyMMdd");
return sdf.format(date);
}
public String to_date(String strdate, String df) {
if (strdate == null) {
return "";
}
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss");
java.text.SimpleDateFormat sdf1 = new java.text.SimpleDateFormat(
"M/d/yyyy H:m:s");
Date d = null;
try {
d = sdf1.parse(strdate);
} catch (ParseException ex) {
ex.printStackTrace();
}
return sdf.format(d);
}
public static String get8BitString(String strDate) {
if (strDate == null) {
return "";
}
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
"yyyy-MM-dd");
java.text.SimpleDateFormat sdf2 = new java.text.SimpleDateFormat(
"yyyyMMdd");
Date d = null;
try {
d = sdf.parse(strDate);
} catch (ParseException ex) {
ex.printStackTrace();
}
return sdf2.format(d);
}
public static String get8ByteTo10Byte(String strDate) {
if (strDate == null) {
return "";
}
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
"yyyyMMdd");
java.text.SimpleDateFormat sdf2 = new java.text.SimpleDateFormat(
"yyyy-MM-dd");
Date d = null;
try {
d = sdf.parse(strDate);
} catch (ParseException ex) {
ex.printStackTrace();
}
return sdf2.format(d);
}
public static String getStandedDateTime(String strDate) {
if (strDate == null) {
return "";
}
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
"yyyy-MM-dd");
java.text.SimpleDateFormat sdf2 = new java.text.SimpleDateFormat(
"yyyy-MM-dd");
Date d = null;
try {
d = sdf.parse(strDate);
} catch (ParseException ex) {
ex.printStackTrace();
}
return sdf2.format(d);
}
public static String getMonthDay(java.util.Date date) {
if (date == null) {
return "";
}
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("M月d日");
return sdf.format(date);
}
public static String getHourMinute(java.util.Date date) {
if (date == null) {
return "";
}
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("H:mm");
return sdf.format(date);
}
/**
* 判断字符串是否符合日期格式
*
* @param str
* 字符串时间
* @return
*/
public static boolean isDate(String strDate) {
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
"yyyy-MM-dd");
sdf.setLenient(false);
try {
sdf.parse(strDate);
return true;
} catch (ParseException ex) {
return false;
}
}
/**
* 判断是否是数字
*
* @param str
* @return
*/
public static boolean isNumber(String strNumber) {
boolean bolResult = false;
try {
Double.parseDouble(strNumber);
bolResult = true;
} catch (NumberFormatException ex) {
bolResult = false;
}
return bolResult;
}
public String dateadd(Date strDate, int a) {
String str = "";
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat(
"yyyy-MM-dd");
String strDate1 = sdf.format(strDate);
int year = Integer.parseInt(strDate1.substring(0, 4));
int month = Integer.parseInt(strDate1.substring(5, 7));
int day = Integer.parseInt(strDate1.substring(8, 10));
int md = getdayformonth(month);
int i = (day + a) / md;
int j = (day + a) % md;
if (j == 0) {
i = i - 1;
j = md;
}
String strmon = "";
String strday = "";
String mondiff = "";
if (i < 2) {
if (Integer.toString(j).length() == 1) {
strday = "0" + Integer.toString(j);
} else {
strday = Integer.toString(j);
}
if ((month + i) > 12) {
int yeardiff = (month + i) / 12;
int monthmod = (month + i) % 12;
mondiff = Integer.toString(monthmod);
if (Integer.toString(monthmod).length() == 1) {
mondiff = "0" + Integer.toString(monthmod);
}
str = Integer.toString(year + yeardiff) + "-" + mondiff + "-"
+ strday;
} else {
strmon = Integer.toString(month + i);
if (Integer.toString(month + i).length() == 1) {
strmon = "0" + Integer.toString(month + i);
}
str = Integer.toString(year) + "-" + strmon + "-" + strday;
}
} else {
//主要判断假如天数，月份溢出的处理，
}
return str;
}
public int getdayformonth(int month) {
int a = 0;
switch (month) {
case 1:
a = 31;
break;
case 2:
a = 28;
break;
case 3:
a = 31;
break;
case 4:
a = 30;
break;
case 5:
a = 31;
break;
case 6:
a = 30;
break;
case 7:
a = 31;
break;
case 8:
a = 31;
break;
case 9:
a = 30;
break;
case 10:
a = 31;
break;
case 11:
a = 30;
break;
case 12:
a = 31;
break;
default:
}
return a;
}
public String addOneDay(String strDate) //YYYY-MM-DD
{
int[] standardDays = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
int[] leapyearDays = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
int y = Integer.parseInt(strDate.substring(0, 4));
int m = Integer.parseInt(strDate.substring(4, 6));
int d = Integer.parseInt(strDate.substring(6, 8)) + 1;
int maxDateCount = 0;
System.out.println(y);
System.out.println(m);
System.out.println(d);
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0) {
maxDateCount = leapyearDays[m - 1];
} else {
maxDateCount = standardDays[m - 1];
}
if (d > maxDateCount) {
d = 1;
m++;
}
if (m > 12) {
m = 1;
y++;
}
java.text.DecimalFormat yf = new java.text.DecimalFormat("0000");
java.text.DecimalFormat mdf = new java.text.DecimalFormat("00");
return yf.format(y) + mdf.format(m) + mdf.format(d);
}
public static String subOneDay(String strDate) {
//YYYY-MM-DD
int[] standardDays = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
int[] leapyearDays = { 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
int y = Integer.parseInt(strDate.substring(0, 4));
int m = Integer.parseInt(strDate.substring(4, 6));
int d = Integer.parseInt(strDate.substring(6, 8)) - 1;
int maxDateCount = 0;
System.out.println(y);
System.out.println(m);
System.out.println(d);
if ((y % 4 == 0 && y % 100 != 0) || y % 400 == 0) {
maxDateCount = leapyearDays[m - 1];
} else {
maxDateCount = standardDays[m - 1];
}
if (d > maxDateCount) {
d = 1;
m++;
}
if (m > 12) {
m = 1;
y++;
}
java.text.DecimalFormat yf = new java.text.DecimalFormat("0000");
java.text.DecimalFormat mdf = new java.text.DecimalFormat("00");
return yf.format(y) + mdf.format(m) + mdf.format(d);
}
public static void main(String[] argv) {
System.out.println(Tools.getMonthDay(new java.util.Date()));
System.out.println(Tools.getHourMinute(new java.util.Date()));
}
}
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posted on 2006-09-20 18:10
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