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// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
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// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
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// Decompiler options: packimports(3) fieldsfirst ansi
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// Source File Name: MD5.java
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package util;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class StrUtil {
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private static int idSequence=10000;
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public static String checkStr(Object obj) {
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if(obj==null){
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return "";
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}else{
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return obj.toString();
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}
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}
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public synchronized static String generalSrid() {
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StringBuffer ret = new StringBuffer(20);
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ret.append(StrUtil.getFormatDate("yyyyMMddHHmmss"));
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idSequence++;
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if(idSequence>20000)
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idSequence-=10000;
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ret.append(String.valueOf(idSequence).substring(1));
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//System.out.println("生成ID="+ret);
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return ret.toString();
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}
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public static String generalFileName(String srcFileName) {
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try{
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int index=srcFileName.lastIndexOf(".");
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return StrUtil.generalSrid()+srcFileName.substring(index).toLowerCase();
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}catch(Exception e){
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return StrUtil.generalSrid();
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}
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}
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public static String parseOS(String agent) {
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String system="Other";
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if(agent.indexOf("Windows NT 5.2")!=-1)
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system="Win2003";
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else if(agent.indexOf("Windows NT 5.1")!=-1)
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system="WinXP";
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else if(agent.indexOf("Windows NT 5.0")!=-1)
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system="Win2000";
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else if(agent.indexOf("Windows NT")!=-1)
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system="WinNT";
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else if(agent.indexOf("Windows 9")!=-1)
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system="Win9x";
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else if(agent.indexOf("unix")!=-1)
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system="unix";
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else if(agent.indexOf("SunOS")!=-1)
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system="SunOS";
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else if(agent.indexOf("BSD")!=-1)
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system="BSD";
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else if(agent.indexOf("linux")!=-1)
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system="linux";
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else if(agent.indexOf("Mac")!=-1)
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system="Mac";
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else
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system = "Other";
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return system;
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}
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/**
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* 得到当前日期的格式化字符串
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*
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* @param formatString
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* 如：yyyy(年)-MM(月)-dd(日)-HH(时)-mm(分)-ss(秒)-SSS(毫秒)
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* @return 格式化过的当前日期字符串
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*/
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public static String getFormatDate(String formatString) {
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Date now =new Date(System.currentTimeMillis());
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SimpleDateFormat sdf=new SimpleDateFormat(formatString);
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String ret=sdf.format(now);
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return ret;
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}
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/**
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* @param 无
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* @return 当前日期
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*/
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public static Date getCurrentDate() {
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Date now =new Date(System.currentTimeMillis());
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return now;
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}
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/**
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* 将格式化的日期字符串转换为日期。
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*
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* @param formatString
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* 如：yyyy(年)-MM(月)-dd(日)-HH(时)-mm(分)-ss(秒)-SSS(毫秒)
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* @return 字符串转换后的日期。
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*/
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public static Date formatDate(String dateString) {
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try {
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SimpleDateFormat sdf=new SimpleDateFormat();
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Date date=sdf.parse(dateString);
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return date;
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} catch (ParseException e) {
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return new Date();
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}
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}
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public static int parseInt(String numberStr) {
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//Pattern pattern=Pattern.compile("[0-9]*");
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//Pattern pattern=Pattern.compile("^[\\-\\d][0-9]*[\\.]{0,1}[0-9]+$");
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if(numberStr==null)
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return 0;
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Pattern pattern=Pattern.compile("^[\\-]{0,1}[0-9]+$");
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Matcher matcher = pattern.matcher(numberStr);
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if(matcher.find()){
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return Integer.parseInt(numberStr);
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}else{
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return 0;
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}
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}
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}
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