From a38e739b418b5aff761c3470b86b35b10eff2cb2 Mon Sep 17 00:00:00 2001
From: mergesort <kumarsubham575@gmail.com>
Date: Fri, 15 Jan 2021 04:30:47 +0530
Subject: [PATCH] Update VehicleNumberChecker.java

Removes the matcher.
---
 VehicleNumberChecker.java | 112 +++++++++++++++++++++++++++++++++++---
 1 file changed, 105 insertions(+), 7 deletions(-)

diff --git a/VehicleNumberChecker.java b/VehicleNumberChecker.java
index 8889e8e..809aa67 100644
--- a/VehicleNumberChecker.java
+++ b/VehicleNumberChecker.java
@@ -1,139 +1,237 @@
+package test;
 
 import org.apache.http.HttpHeaders;
+
 import org.apache.http.HttpStatus;
+
 import org.apache.http.client.utils.URLEncodedUtils;
+
 import org.json.JSONObject;
+
 import org.jsoup.Connection;
+
 import org.jsoup.Jsoup;
+
 import org.jsoup.nodes.Document;
+
 import org.jsoup.nodes.Element;
+
 import org.jsoup.select.Elements;
 
 import java.util.HashMap;
+
 import java.util.Map;
+
 import java.util.regex.Matcher;
+
 import java.util.regex.Pattern;
 
 /**
+
  * The class uses Indian Govt's website https://parivahan.gov.in to check vehicle number and retrieve information
+
  *
+
  * Reference Code: https://gist.github.com/githubsrinath/560e2382cb3f84e421f8cf14e5e912b0#file-03-java-or-android
+
  *
+
  *
+
  */
+
 public class VehicleNumberChecker {
 
     public static void main(String[] args) {
+
         //  Must be 2 letters and characters only (Union Territory / State code)
+
         String utOrState = "XX";
 
         //  Must be 2 letters and numbers only    (District serial number)
+
         String districtNumber = "00";
 
         //  optional and can be blank             (Optional code for additional sub-category needs)
+
         String additionalCode = "XX";
 
         //  Must be 4 letters and numbers only    (Vehicle serial number)
+
         String serialNumber = "0000";
 
-        Map<String, String> data = getData(utOrState + districtNumber + additionalCode + serialNumber);
+        Map<String, String> data = getData(utOrState + districtNumber + additionalCode +"-"+ serialNumber);
 
         JSONObject json = new JSONObject(data);
 
         System.out.println(json);
+
     }
 
     private static Map<String, String> getData(String str) {
+
         Map<String, String> resultMap = new HashMap<>();
-        String str2 = "";
-        Matcher matcher = Pattern.compile("(\\w{2})(\\d{2})(\\D*?)(\\d{1,4})").matcher(str);
-        if (matcher.matches()) {
-            str2 = matcher.replaceFirst("$1$2$3-$4");
-        }
-        String[] split = str2.split("-");
+
+        String[] split = str.split("-");
+
         String str3 = split[0];
+
         str = split[1];
+
         try {
+
             Connection.Response execute = Jsoup.connect("https://parivahan.gov.in/rcdlstatus/?pur_cd=102")
+
                     //.validateTLSCertificates(false)   // The site is secure now and it is expected to always validate cert
+
                     .followRedirects(true)
+
                     .ignoreHttpErrors(true)
+
                     .method(Connection.Method.GET).execute();
 
             if (execute.statusCode() <= HttpStatus.SC_INTERNAL_SERVER_ERROR) {
+
                 Map<String, String> cookies = execute.cookies();
+
                 Document parse = Jsoup.parse(execute.body());
+
                 Element first = parse.getElementsByAttributeValue("name", "javax.faces.ViewState").first();
+
                 if (first == null) {
+
                     first = parse.getElementById("j_id1:javax.faces.ViewState:0");
+
                 }
+
                 String attr = first.attr("value");
+
                 String trim = Jsoup.parse(execute.body())
+
                         .getElementsByAttributeValueStarting("id", "form_rcdl:j_idt")
+
                         .select("button")
+
                         .get(0).attr("id").trim();
 
                 str = Jsoup.connect("https://parivahan.gov.in/rcdlstatus/vahan/rcDlHome.xhtml")
+
                         //.validateTLSCertificates(false)   // The site is secure now and it is expected to always validate cert
+
                         .followRedirects(true)
+
                         .method(Connection.Method.POST)
+
                         .cookies(cookies)
+
                         .referrer("https://parivahan.gov.in/rcdlstatus/?pur_cd=102")
+
                         .header("Content-Type", URLEncodedUtils.CONTENT_TYPE)
+
                         .header("Host", "parivahan.gov.in")
+
                         .header(HttpHeaders.ACCEPT, "application/xml, text/xml, */*; q=0.01")
+
                         .header(HttpHeaders.ACCEPT_LANGUAGE, "en-US,en;q=0.5")
+
                         .header(HttpHeaders.ACCEPT_ENCODING, "gzip, deflate, br")
+
                         .header("X-Requested-With", "XMLHttpRequest")
+
                         .header("Faces-Request", "partial/ajax")
+
                         .header("Origin", "https://parivahan.gov.in")
+
                         .userAgent("Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36")
+
                         .data("javax.faces.partial.ajax", "true")
+
                         .data("javax.faces.source", trim)
+
                         .data("javax.faces.partial.execute", "@all")
+
                         .data("javax.faces.partial.render", "form_rcdl:pnl_show form_rcdl:pg_show form_rcdl:rcdl_pnl")
+
                         .data(trim, trim)
+
                         .data("form_rcdl", "form_rcdl")
+
                         .data("form_rcdl:tf_reg_no1", str3)
+
                         .data("form_rcdl:tf_reg_no2", str)
+
                         .data("javax.faces.ViewState", attr)
+
                         .execute()
+
                         .body();
 
                 if (str.contains("Registration No. does not exist!!!")) {
+
                     resultMap.put(str, "No Record(s) Found");
+
                 } else {
+
                     String htmlString = "<!DOCTYPE html><html><body>" +
+
                             str.substring(str.indexOf("<table"), str.lastIndexOf("</table>")) +
+
                             "</body></html>";
+
                     Document parse2 = Jsoup.parse(htmlString);
 
                     Element first2 = parse2.select("table").first();
+
                     if (first2 != null) {
+
                         Elements select = first2.select("tr");
+
                         for (Element element : select) {
+
                             Elements select2 = element.select("td");
+
                             if (select2.size() == 2) {
+
                                 String key = select2.get(0).text().replace(":", "");
+
                                 resultMap.put(key, select2.get(1).text());
+
                             } else if (select2.size() == 4) {
+
                                 String key = select2.get(0).text().replace(":", "");
+
                                 resultMap.put(key, select2.get(1).text());
 
                                 key = select2.get(2).text().replace(":", "");
+
                                 resultMap.put(key, select2.get(3).text());
+
                             }
+
                         }
+
                     } else {
+
                         resultMap.put(str, "No Record(s) Found");
+
                     }
+
                 }
+
             } else {
+
                 resultMap.put(str, "500 Server Error");
+
             }
+
         } catch (Exception unused) {
+
             resultMap.put(str, "Server Error");
+
         }
+
         return resultMap;
+
     }
+
 }