java实现https ssl请求url

import java.io.*;
import java.net.*;
import java.security.*;
import java.security.cert.*;
import java.util.*;
import javax.net.ssl.*;

public class httpssl
{

String url="";
     myX509TrustManager xtm = new myX509TrustManager();
     myHostnameVerifier hnv = new myHostnameVerifier();

public httpssl(String HttpsUrl) {
     this.url = HttpsUrl;
        SSLContext sslContext = null;
       try {
           sslContext = SSLContext.getInstance("TLS");
         X509TrustManager[] xtmArray = new X509TrustManager[] { xtm };
         sslContext.init( null,
                           xtmArray,
                           new java.security.SecureRandom() );
       } catch( GeneralSecurityException gse ) {
       }
       if( sslContext != null ) {
          HttpsURLConnection.setDefaultSSLSocketFactory(
                      sslContext.getSocketFactory() );
       }
       HttpsURLConnection.setDefaultHostnameVerifier( hnv );
     }

public String getResult() {
     String res = "";
       try {

URLConnection urlCon = (new URL(url)).openConnection();

BufferedReader in = new BufferedReader(new InputStreamReader(urlCon.getInputStream()));
             String line;
             while ((line = in.readLine()) != null)
             {
                 //System.out.println(line);
                 res += line;
             }

//   增加自己的代码
         } catch( MalformedURLException mue ) {
             mue.printStackTrace();
         } catch( IOException ioe ) {
             ioe.printStackTrace();
         }
         catch (Exception e) {
             e.printStackTrace();
         }
       
         return res;

}
}

class myX509TrustManager implements X509TrustManager{
   public myX509TrustManager(){}
   public void checkClientTrusted(X509Certificate[] chain,   String authType) {}
      public void checkServerTrusted(X509Certificate[] chain,String authType) {
       //System.out.println("cert: " + chain[0].toString() + ", authType: " + authType);
      }
      public X509Certificate[] getAcceptedIssuers() {
       return null;
      }
}

class myHostnameVerifier implements HostnameVerifier{
public myHostnameVerifier(){}
   public boolean verify(String hostname,SSLSession session) {
    //System.out.println("hostname: " + hostname);
    return true;
   }
}