Add a socket to your Web project (enhanced version)

Long connections:

package com.sichang.util;import java.io.bufferedreader;import java.io.ioexception;import  java.io.inputstream;import java.io.inputstreamreader;import java.io.outputstream;import  java.io.printwriter;import java.net.serversocket;import java.net.socket;import  java.text.simpledateformat;import java.util.arraylist;import java.util.date;import  java.util.list;import java.util.stringtokenizer;import java.util.regex.matcher;import  java.util.regex.pattern;import org.json.jsonarray;import org.json.jsonexception;import  Org.json.jsonobject;import com.sichang.dao.dbbase;import com.sichang.dao.dbservice;public class  server_socket2 {static dbservice db = dbbase.getinstance ();//  instantiation daostatic  responseutil responseutil = new responseutil ();p ublic void  Startsocketservice () {Serversocket serversocket = null;while (True) {        try        {         if (serversocket == null) {         serversocket = new serversocket (9090);}         else        {         socket socket = serversocket.accept ();                          //main thread Get client connection              Thread workthread = new thread (New handler (socket));     //Create thread             workthread.start ();                                      //Start Thread         }         }        catch (exception e)          {             E.printstacktrace ();         }}}class handler implements  Runnable{    private Socket socket;    public  Handler (Socket socket)     {         this.socket=socket;    }         @SuppressWarnings ( "Unchecked") Public void run ()     {    try         { &nbsP;  while (socket.isconnected ())     {    BufferedReader  br = null; printwriter pw = null;             SYSTEM.OUT.PRINTLN ("New Connection:" +socket.getinetaddress () + ":" +socket.getport ());             socket.setsotimeout (;inputstream in = ) Socket.getinputstream (); Inputstreamreader is = new inputstreamreader (in);br =  New bufferedreader (IS); String info = br.readline (); System.out.println ("9090:"  + info); string switchstate =  "";if  (info != null)  {//  driving track if  ( Info.contains ("Pathhistory")) {//  handles the passed-over string list<string> list = string2list (info);         //  Call Insert Lane path method          insertpathhistoRY (list);/******************** query switch status data to device ***********************/         string imsi = responseutil.beequal (List.get (1). toString ());         string selectswitchstateok = db.selectswitchstate (IMSI). toString (); Switchstate = jsonresolvearray (Getrowsdata (Selectswitchstateok),  "#");}   Heartbeat Packet if  (Info.contains ("Tick"))  {/******************** query the switch state data to the device ***********************///   handles the string passed over List<string> list = string2list (info);                 String IMSI =  Responseutil.beequal (List.get (1). ToString ()); String selectswitchstateok = db.selectswitchstate (IMSI). toString (); Switchstate = jsonresolvearray (Getrowsdata (Selectswitchstateok),  "#");}   Device Registration if  (info.contains ("Deviceregister"))  {//  handling passed-over charactersString List<string> list = string2list (Info);         Switchstate = deviceregister (list);} Outputstream out = socket.getoutputstream ();p W = new printwriter (out);p W.print ( SwitchState);//pw.print ("\ n");p W.flush ();} Else{break;}   Close//in.close ();//is.close ();//br.close ();////out.close ();//pw.close (); Thread.Sleep (;        }    }   )  catch (exception e)     {         E.printstacktrace ();        }    finally     {    if (socket.isclosed ()  == false)     {     try{socket.close ();}  catch  (ioexception e) {// todo auto-generated catch blocke.printstacktrace ( );}    &nbsP;}     }    }}/** *  remove the data in front of the =  equals sign  *  @param   data *  @return  *  @throws  exception */public static string beequal (String data) {string dest =  ""; Pattern p = pattern.compile (". *="); Matcher m = p.matcher (data);d Est = m.replaceall ("");//system.out.println ("processed character =" + dest); return dest;}   Converts a string to List@suppresswarnings ("Rawtypes") public static list string2list (String info {//  handles the string passed over list<string> list=new arraylist<string> ();         stringtokenizer st=new stringtokenizer (Info, "&");         while (St.hasmoretokens ()) {         List.add (St.nexttoken ());         }return list;}   Parsing JSON array 2PUBLIC&NBSp;static string jsonresolvearray (STRING&NBSP;RESPONSESTR,&NBSP;STRING&NBSP;DIVIDESTR)  {String  returnArrayStr =  ""; Jsonarray arr = null;try {arr = new jsonarray (RESPONSESTR);for  (int  i = 0; i < arr.length ();  i++)  {JSONArray temp =  ( Jsonarray)  arr.get (i);// if  (!temp.getstring (i). Equals (""))// {for  (int j =  0; j < temp.length ();  j++)  {returnarraystr += temp.getstring (j)  + dividestr;}  }}} catch  (exception e)  {e.printstacktrace ();} Return returnarraystr;}   Device Registration @suppresswarnings ("Rawtypes") Public static string deviceregister (List list) { String switchstate= "";        string imsi =  Responseutil.beequal (List.get (1). ToString ()); string selectdeadlineok = d B.selectdeadline (IMSI). ToString (), if (Getresultdata (Selectdeadlineok). Equals ("OK")) {String deadline  = jsonresolvearray (Getrowsdata (Selectdeadlineok), ""); if (Deadline.equals ("null")  | |   "". Equals (Deadline) {//  start initializing Simpledateformat df = new simpledateformat (" Yyyy-mm-dd hh:mm:ss ");//Set Date format String created = df.format (New date ()); STRING&NBSP;UPDATESIM_IDOK&NBSP;=&NBSP;DB.UPDATESIM_ID (imsi, created, "a"). ToString ();//  Initialize if ( Getresultdata (Updatesim_idok). Equals ("OK") {//  here also add affection number   familynumberswitchstate= Responseutil.getserviceinfo () + "#" +familynumber (IMSI) + "#";} ELSE{SYSTEM.OUT.PRINTLN ("Initialization Failed");}} else{//  query out IMSI information sent to client Switchstate=responseutil.getserviceinfo () + "#" +familynumber (IMSI) + "#";}} Else{system.out.println (Selectdeadlineok);} Return switchstate;}   Get affection number Public static string familynumber (String imsi) {String familynumber  =  ""; String famIlynumberok = db.familynumber (IMSI). toString (); if (Getresultdata (Familynumberok). Equals ("OK") { Familynumber = jsonresolvearray (Getrowsdata (Familynumberok), "");if  (FamilyNumber.length () <1)  {familyNumber =  "null";}} Else {}return familynumber;}   Insert Database @suppresswarnings ("Rawtypes") public static void insertpathhistory (List list) { String imsi = responseutil.beequal (List.get (1). toString ());         string sendtime = responseutil.beequal (List.get (2). toString ()). ReplaceAll ("T", "   "); string tablename =  "Z_" +responseutil.tailtime (sendtime); String positions = responseutil.beequal (List.get (3). ToString ()); String speed = responseutil.beequal (List.get (4). ToString ()); System.out.println ("imsi  " +imsi); System.out.println ("sendtime  " +sendtime); System.out.println ("tablename   " +taBlename); System.out.println ("positions" +  positions); System.out.println ("speed  " +speed);//  determines whether the database table exists, if any, inserts if not, creates if (Judgetable (tableName)) {//   Insert Database Db.insertthatdaytable (Tablename, imsi, sendtime, coursedata (positions),  speed). ToString ();} else{//  Create the database and insert Data string createtableok = db.createtable (tableName). toString (); Getresultdata (Createtableok). Equals ("OK") {//system.out.println ("create successfully, start inserting");d b.insertthatdaytable (TableName,  imsi, sendtime, coursedata (positions),  speed). toString ();} Else{system.out.println ("Creation failed:" +createtableok);}}}   method to remove the value of the result node Public static string getresultdata (string data)  {//  Start fetching data from the result node jsonobject jsonderice;object dericeobject = null;try {jsonderice  = new jsonobject (data);d ericeobject = jsonderice.get ("result");}  catch  (jsonexception e)  {// todo auto-generated catch blocke.printstacktrace ();} Return dericeobject.tostring ();}   Determine if a database table exists public static boolean judgetable (string date) {String judgetableok  = db. Judgetable (date). toString (); System.out.println ("judgetableok     " +judgetableok); String rowsdata = jsonresolvearray (Getrowsdata (judgetableok),  ""); System.out.println (Rowsdata); if ("". Equals (Rowsdata)) {//  no table return false;} else{//  has table return true;}}   Processing of the uploaded data 2public static string coursedata (string positions) {string str= ""; String[] positions=positions.split ("\\/");for  (int i = 0; i <  positions.length; i++)  {string[] positionss = positions[i].split (","); str += Responseutil.bigdeci (Double.parsedouble (Positionss[0])) + "," +responseutil.bigdeci (Double.parsedouble (positionSs [1])) +"|";}  system.out.println ("track with over-precision"+str"); return str;}   method to remove values of rows node Public static string getrowsdata (string data)  {JSONObject  Jsobj;object pesobj = null;try {jsobj = new jsonobject (data);p esobj =  jsobj.get ("Rows");}  catch  (jsonexception e)  {// TODO Auto-generated catch  Blocke.printstacktrace ();} Return pesobj.tostring ();}}

Add a socket to your Web project (enhanced version)