Java Multi-threading, HttpClient multithreading

1, getthread.javapackage com.aa.controller.xx;import org.apache.http.httpresponse;import  org.apache.http.httpstatus;import org.apache.http.client.httpclient;import  org.apache.http.client.methods.httphead;import org.apache.http.protocol.basichttpcontext;import  org.apache.http.protocol.httpcontext;import java.util.arraylist;import java.util.list;import  java.util.concurrent.concurrenthashmap;import java.util.concurrent.countdownlatch;/** * created  by administrator on 2014/12/4. */public  class getthread extends  Thread{    private final HttpClient httpClient;     private final HttpContext context;    private final  httphead httphead;    private final countdownlatch threadsignal;     private final concurrenthashmap<Integer,Boolean> hashMap;    private static List<Thread>  Runningthreads = new arraylist<thread> ();     public getthread ( httpclient httpclient, httphead httphead, countdownlatch threadsignal,  CONCURRENTHASHMAP&LT;INTEGER,&NBSP;BOOLEAN&GT;&NBSP;HASHMAP)  {         this.httpclient = httpclient;        this.context  = new basichttpcontext ();         this.httphead =  httpHead;        this.threadSignal = threadSignal;         this.hashmap = hashmap;    }      @Override     public void run () {         //system.out.println ("ABC:" +thread.currentthread (). GetName ());        boolean  B=get ();         hashmap.put ((int)  threadsignal.getcount (),  b );         threadsignal.countdown ();    }     public boolean get ()  {         httpresponse response = null;        try {             response = httpclient.execute ( Httphead);             if (Response.getStatusLine (). Getstatuscode () ==&NBSP;HTTPSTATUS.SC_OK) {                 return true;             }else{                return false;             }         } catch  (exception e)  {             return false;        }    }}

2, Threadpoolhttpclient.javapackage com.aa.controller.xx;import com.aa.utilities.sysuserutil;import  org.apache.http.client.HttpClient;import org.apache.http.client.methods.HttpHead;import  org.apache.http.conn.params.connmanagerparams;import org.apache.http.conn.scheme.plainsocketfactory; Import org.apache.http.conn.scheme.scheme;import org.apache.http.conn.scheme.schemeregistry;import  org.apache.http.impl.client.DefaultHttpClient;import  org.apache.http.impl.conn.poolingclientconnectionmanager;import org.apache.http.params.basichttpparams; Import org.apache.http.params.httpconnectionparams;import org.apache.http.params.httpparams;import  java.util.Date;import java.util.List;import java.util.Map;import  java.util.concurrent.concurrenthashmap;import java.util.concurrent.countdownlatch;import  Java.util.concurrent.executorservice;import java.util.concurrent.executors;public class threadpoolhttpclient {    //  thread Pool     private executorservice  exe = null;    //  thread pool Capacity     private static   int POOL_SIZE = 5;    private HttpClient client  = null;    list<string> urllist = null;     Public threadpoolhttpclient (list<string> urllist) {         this.urlList=urlList;    }    public ConcurrentHashMap< Integer,boolean> test ()  throws Exception {         int usize = urllist.size ();         if (uSize>0 &NBSP;&AMP;&AMP;&NBSP;USIZE&LT;=12) {             pool_size = 4;&Nbsp;       }        if (uSize>30 ) {            pool_size = 6;         }        Date d1 =  New date ();         final countdownlatch threadsignal  = new countdownlatch (Urllist.size ());         final  concurrenthashmap<integer,boolean> hashmap = new concurrenthashmap ();         exe = executors.newfixedthreadpool (POOL_SIZE);         httpparams params =new basichttpparams ();         /*  timeout for fetching connections from the connection pool  */         Connmanagerparams.settiMeout (params, 1000);        /*  connection Timeout  */         httpconnectionparams.setconnectiontimeout (params, 2000);         /*  Request Timeout  */         Httpconnectionparams.setsotimeout (params, 4000);         Schemeregistry schemeregistry = new schemeregistry ();         schemeregistry.register (                 new scheme ("http",  80, plainsocketfactory.getsocketfactory ()));         //ClientConnectionManager cm = new  Poolingclientconnectionmanager (schemeregistry);         Poolingclientconnectionmanager cm=new poolingclientconNectionmanager (Schemeregistry);         cm.setmaxtotal ();         final HttpClient httpClient = new  Defaulthttpclient (cm,params);         // uris to perform  gets on        //final string[] uristoget =  urls;        final list<string> finaluriget= urllist;        /* using the thread pool */         for  (Int i = 0; i < finaluriget.size ();  i++)  {             final int j=i;             //system.out.println ("Value of J:" +j);           &nbsP; httphead httphead = new httphead (Finaluriget.get (j));             getthread getthread = new getthread ( HTTPCLIENT,HTTPHEAD,THREADSIGNAL,HASHMAP);             getthread.setname ("thread"  + j);             exe.submit (GetThread);        }         threadsignal.await ();         exe.shutdown ();         system.out.println ("Done");         system.out.println ("MS:" + (New date (). GetTime ()-d1.gettime ()));         return hashMap;    }    public  concurrenthashmap<integer,boolean>  Gethashmapbyurls () {        threadpoolhttpclient  Threadpoolhttpclient = new threadpoolhttpclient (urllist);         try {             Concurrenthashmap<integer,boolean> hashmap =threadpoolhttpclient.test ();             for (map.entry<integer,boolean> e: Hashmap.entryset ()) {                 system.out.println ("Key:" +e.getkey () + "_____| | |  value: "+e.getvalue ());            }             return  hashMap;         } catch  (exception e)  {             e.printstacktrace ();        }         return null;    }}

Java Multi-threading, HttpClient multithreading