测试URL有效性

//测试URL有效性
public static  void testWebserviceConnection() throws Exception  {
//1  ,       2, 3, 4, 5, 6, 7, 8, 9, 10 ,11
String t="http://tg, http://172.17.16.100:8180/admin, http://172.17.16.100:8280/suite,http://tyty, http://172.17.16.100:8380/suite, http://172.17.16.124:8280/suite,  http://4545rtrt, http://172.17.16.160:8280/suite, http://ghhg, http://uyjh,http://31qa.sz.ecv/QA/ccp";
String t2="http://172.17.16.115:8080/suite, http://172.17.16.100:8080/b2b1, http://172.17.16.98:8080/suite, http://172.17.16.126:8080/suite, http://172.17.16.71:8080/suite, http://172.17.16.89:8080/b2b, http://172.17.16.122:8080/suite, http://172.17.16.133:8280/b2b";
String t3="http://788888jh, http://565656, http://172.17.16.100/suite, http://172.17.16.94:8180/refapp, http://172.17.16.115:8080/refapp, http://172.17.16.113:8080/refapp, http://172.17.16.113:8080/suite, http://172.17.16.94:8080/suite, http://172.17.16.100:8280/b2b1, http://172.17.16.133:8080/suite";
String[] s=t.split(",");
/**
* 1 http://255.255.255.255[/]
* 2 http://255.255.255.255:1234[/]
* 3 http://*.[com]|[cn]|[org]|[net]
* 3 255.255.255.255[/]
* 4 255.255.255.255:1234[/]
* 5 http
*/

int count=1;

URL url =null;
HttpURLConnection conn=null;
long start=0;
long start2=System.currentTimeMillis(); 
for(String u:s){
try{  
url = new URL(u);  
start=System.currentTimeMillis();
conn= (HttpURLConnection)url.openConnection();  
       conn.setConnectTimeout(500);//set the connect time out,it needs <10
       System.out.println("测试：连接URL一次需要："+(System.currentTimeMillis()-start)+"毫秒");
       conn.setReadTimeout(1000);//set the read time out,it need more .The normal is set 1 second. when it throws UnknownHostException,it will need much time .
       int state = conn.getResponseCode();  
       if (state==200 || state==301 || state==302){
        System.out.println("完成：请求URL一次需要："+(System.currentTimeMillis()-start)+"毫秒"+"=========="+"成功:"+count);
       }else{
        System.out.println("完成：请求URL一次需要："+(System.currentTimeMillis()-start)+"毫秒"+"=========="+"失败:"+count);
       }  
       count++;
      }catch(SocketTimeoutException e){  //连接超时1.java.net.SocketTimeoutException: connect timed out  2.java.net.UnknownHostException: 4545rtrt（不明原因）
      System.out.println("异常(连接超时)：失败请求URL一次需要："+(System.currentTimeMillis()-start)+"毫秒"+"======"+"失败:"+count);
      count++;
      }catch (Exception e) {
      System.out.println("不明原因：失败请求URL一次需要："+(System.currentTimeMillis()-start)+"毫秒"+"======"+"失败:"+count);
      count++;
} 
}
System.out.println("总共："+(System.currentTimeMillis()-start2)+"毫秒");

}

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