package com.alimama.mdrill.index.utils;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 确保tdate类型转换成正确的符合solr的格式
* @author peng.chen
*
*/
public class TdateFormat {
public static final String yyyymmdd_regex = "(\\d{4})(\\d{2})(\\d{2})";
public static final Pattern yyyymmdd_pattern = Pattern.compile(yyyymmdd_regex);
public static final Matcher yyyymmdd_matcher = yyyymmdd_pattern.matcher("");
public static final String yyyy_mm_dd_regex = "(\\d{4})-(\\d{2})-(\\d{2})";
public static final Pattern yyyy_mm_dd_pattern = Pattern.compile(yyyy_mm_dd_regex);
public static final Matcher yyyy_mm_dd_matcher = yyyy_mm_dd_pattern.matcher("");
public static final String yyyy_mm_dd_2_regex = "(\\d{4})/(\\d{2})/(\\d{2})";
public static final Pattern yyyy_mm_dd_2_pattern = Pattern.compile(yyyy_mm_dd_2_regex);
public static final Matcher yyyy_mm_dd_2_matcher = yyyy_mm_dd_2_pattern.matcher("");
public static final String yyyymmddhhsshh_regex = "(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})(\\d{2})";
public static final Pattern yyyymmddhhsshh_pattern = Pattern.compile(yyyymmddhhsshh_regex);
public static final Matcher yyyymmddhhsshh_matcher = yyyymmddhhsshh_pattern.matcher("");
public static final String yyyy_mm_dd_hh_ss_hh_regex = "(\\d{4}-\\d{2}-\\d{2}) (\\d{2}:\\d{2}:\\d{2})";
public static final Pattern yyyy_mm_dd_hh_ss_hh_pattern = Pattern.compile(yyyy_mm_dd_hh_ss_hh_regex);
public static final Matcher yyyy_mm_dd_hh_ss_hh_matcher = yyyy_mm_dd_hh_ss_hh_pattern.matcher("");
public static final String valid_regex = "\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}Z";
public static final Pattern valid_pattern = Pattern.compile(valid_regex);
public static final Matcher valid_matcher = valid_pattern.matcher("");
public static void main(String[] args) {
System.out.println(TdateFormat.ensureTdate("2013/01/02", ""));;
}
private static Object lock=new Object();
/**
*
* @param string
* @return
*/
public static String ensureTdate(String string, String fieldName) {
if(string==null)
{
return "2099-09-09T00:00:00Z";
}
try{
synchronized (lock) {
yyyymmdd_matcher.reset(string);
int len=string.length();
if(len==8&&yyyymmdd_matcher.find()){
return yyyymmdd_matcher.group(1)+"-"+yyyymmdd_matcher.group(2)+"-"+yyyymmdd_matcher.group(3)+"T00:00:00Z";
}
yyyy_mm_dd_matcher.reset(string);
if(len==10&&yyyy_mm_dd_matcher.find()){
return yyyy_mm_dd_matcher.group(1)+"-"+yyyy_mm_dd_matcher.group(2)+"-"+yyyy_mm_dd_matcher.group(3)+"T00:00:00Z";
}
yyyy_mm_dd_2_matcher.reset(string);
if(len==10&&yyyy_mm_dd_2_matcher.find()){
return yyyy_mm_dd_2_matcher.group(1)+"-"+yyyy_mm_dd_2_matcher.group(2)+"-"+yyyy_mm_dd_2_matcher.group(3)+"T00:00:00Z";
}
yyyymmddhhsshh_matcher.reset(string);
if(len==14&&yyyymmddhhsshh_matcher.find()){
return yyyymmddhhsshh_matcher.group(1)+"-"+yyyymmddhhsshh_matcher.group(2)+"-"+yyyymmddhhsshh_matcher.group(3)+"T"+yyyymmddhhsshh_matcher.group(4)+":"+yyyymmddhhsshh_matcher.group(5)+":"+yyyymmddhhsshh_matcher.group(6)+"Z";
}
yyyy_mm_dd_hh_ss_hh_matcher.reset(string);
if(len==19&&yyyy_mm_dd_hh_ss_hh_matcher.find()){
return yyyy_mm_dd_hh_ss_hh_matcher.group(1)+"T"+yyyy_mm_dd_hh_ss_hh_matcher.group(2)+"Z";
}
valid_matcher.reset(string);
if(valid_matcher.find()){
return valid_matcher.group();
}
}
return "2099-09-09T00:00:00Z";
}catch(Exception e){
}
return "2099-09-09T00:00:00Z";
}
//yyyy-mm-dd
//yyyy/mm/dd
//yyyy-mm-dd hh:mm:ss
public static String ensureTdateForSearch(String string) {
try{
int len=string.length();
synchronized (lock) {
yyyy_mm_dd_matcher.reset(string);
if(len==10&&yyyy_mm_dd_matcher.find()){
return yyyy_mm_dd_matcher.group(1)+"-"+yyyy_mm_dd_matcher.group(2)+"-"+yyyy_mm_dd_matcher.group(3)+"T00:00:00Z";
}
yyyy_mm_dd_2_matcher.reset(string);
if(len==10&&yyyy_mm_dd_2_matcher.find()){
return yyyy_mm_dd_2_matcher.group(1)+"-"+yyyy_mm_dd_2_matcher.group(2)+"-"+yyyy_mm_dd_2_matcher.group(3)+"T00:00:00Z";
}
yyyy_mm_dd_hh_ss_hh_matcher.reset(string);
if(len==19&&yyyy_mm_dd_hh_ss_hh_matcher.find()){
return yyyy_mm_dd_hh_ss_hh_matcher.group(1)+"T"+yyyy_mm_dd_hh_ss_hh_matcher.group(2)+"Z";
}
valid_matcher.reset(string);
if(valid_matcher.find()){
return valid_matcher.group();
}
}
return "2099-09-09T00:00:00Z";
}catch(Exception e){
}
return "2099-09-09T00:00:00Z";
}
public static String transformSolrMetacharactor(String input){
StringBuffer sb = new StringBuffer();
String regex = "[+\\-&|!(){}\\[\\]^\"~?:(\\) ]";
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(input);
while(matcher.find()){
matcher.appendReplacement(sb, "\\\\"+matcher.group());
}
matcher.appendTail(sb);
return sb.toString();
}
public static String transformSolrMetacharactorNoLike(String input){
StringBuffer sb = new StringBuffer();
String regex = "[+\\-&|!(){}\\[\\]^\"~?:(\\)* ]";
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(input);
while(matcher.find()){
matcher.appendReplacement(sb, "\\\\"+matcher.group());
}
matcher.appendTail(sb);
return sb.toString();
}
}