import java.util.ArrayList;
import java.util.List;
import Java.util.concurrent.callable;
import Java.util.concurrent.execution exception;
import Java.util.concurrent.executorservice;
import Java.util.concurrent.executors;
import Java.util.concurrent.future;
import org.apache.log4j.Logger;
publicclassconcurrentrulesyncutil {
privatestaticfinalintmax _ thread=10; //要启动的最大线程数
私有数据中心服务中心=executors.newfixedthreadpool (max _ thread );
privatestaticfinalloggerlogger=logger.getlogger (concurrentrulesyncutil.class;
//*
publicstaticlistactiveapplist (list strurl,jzdzxc ) {
if (strurl==null|| strurl.size (==0) {
返回空值;
}
listrunthreads=general threadinfo (strurl,queryString );
列表reslist=new ArrayList (;
try {
list fetures=exec.invoke all (runthreads );
for(futurefeture:fetures ) {
列表tmp=null;
try {
tmp=feture.get (;
} catch (执行元素) {
logger.error (concurrentrulesyncutilthreadactiveapplistgeterror 3360 ) e.getmessage ),e );
}
if(tmp!=空) {
reslist.addall(tmp;
}
}
} catch (互联互通) )
logger.error (concurrentrulesyncutilactiveapplistgeterror 3360 (e.getmessage ),e );
}
返回列表;
}
publicstaticlistgeneralthreadinfo (列表串,jzdzxc )。
列表runthreads=new ArrayList (;
intsize=strurl.size (/max _ thread 1;
int i=0;
int len=strUrl.size (;
for (; i size=len; i =size ) {
runthreads.add (newxxddy (strurl.sublist (I,i size ),queryString );
}
if(Ilen ) {
runthreads.add (newxxddy (strurl.sublist (I,len ),queryString );
}
返回运行期间;
}
staticclassxxddyimplementscallable {
私有列表主机列表URL; //分配给当前线程的主机列表
私密性jzdzxc; //参数列
publicxxddy (列表流,jzdzxc ) {
this.hostlistUrl=strUrl;
this.query string (查询字符串);
}
@Override
公共列表调用() throws Exception { )。
returngetresponsetext (hostlisturlquerystring;
}
}
//*
publicstaticstringgetresponsetext (stringqueryurl ) {
returngetresponsetext (查询URL、null、null );
}
//*
publicstaticstringgetresponsetext (stringqueryurl,飞鸵鸟,String ip ) )。
try {
URL URL=newurl (查询URL;
if(IP!=空) {
stringstrsdyx=IP.split('. ';
bytesdyx b=new byte[str.length];
for(intI=0,len=str.length; I
b[I]=(byte ) ) integer.parseint ) str[I],10 );
}
proxy proxy=new proxy (proxy.type.http,
newinetsocketaddress (inet地址. getbyaddress (b ),80 );
HTPurlconn=(httpurlconnection ) url
.开放连接(代理);
}else{
HTPurlconn=(httpurlconnection ) url
. openConnection (;
}
HTP urlconn.setrequestmethod (' get );
HTPurlconn.setdooutput(true;
HTP urlconn.setconnecttimeout (default _ time out;
http urlconn.setreadtimeout (default _ time out;
HTP urlconn.setdefaultusecaches (false );
HTPurlconn.setusecaches(false );
is=httpUrlConn.getInputStream (;
intresponsecode=http urlconn.getresponse code (;
//如果返回的结果在400以上的话,就有问题了
响应代码400 (if ) {
logger.error (' getresponsetextforqueryurl : ' query URL ' gotresponsecode 3360 ' response code );
返回' getresponsetextforqueryurl 3360 ' query URL ' gotresponsecode : '响应代码;
}
需要自动识别//页的编码通过从context-type分析获得,默认为UTF-8
字符串编码=' utf-8 ';
stringcontexttype=http urlconn.get content type (;
if (stringutilsext.is not blank (上下文类型) ) }
intpos=context type.lastindexof ('=';
if(pos-1 ) {
编码=context type.substring (pos1);
}
}
//system.out.println(encoding );
br=newbufferedreader (newinputstreamreader ) is,编码);
字符串数据=null;
while((data=br.readline ) )!=空) {
RES.append (数据(n );
}
return res.toString (;
}catch(ioexceptione ) {
Logger.error(e.getmessage ),e );
return ' failed : ' e.getmessage (;
}catch(exceptione ) {
Logger.error(e.getmessage ),e );
return ' failed : ' e.getmessage (;
} finally {
if(br!=空) {
try {
br.close (;
}catch(ioexceptione ) {
Logger.error(e.getmessage ),e );
RES.append(e.getmessage ) );
}
}
}
}
}