java 访问https忽略证书

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLContext;
import javax.net.ssl.HttpsURLConnection;
import java.security.SecureRandom;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.SSLSession;
import javax.security.cert.CertificateException;
public class HttpDemo {
	 private static final String SYS_VULLN_URL_JSON="https://10.65.80.34/api/template/webvuln/list?username=admin&password=pass23";
	final static HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {

												public boolean verify(String hostname, SSLSession session) {
													return true;
												}
											};
                                            
    public static void httpGet(){
    	StringBuffer tempStr = new StringBuffer();
    	String responseContent="";
       HttpURLConnection conn = null;
    	try {
                // Create a trust manager that does not validate certificate chains
            trustAllHosts();
    
    		URL url = new URL(SYS_VULLN_URL_JSON);
            
             HttpsURLConnection https = (HttpsURLConnection)url.openConnection();
			if (url.getProtocol().toLowerCase().equals("https")) {
				https.setHostnameVerifier(DO_NOT_VERIFY);
				conn = https;
			} else {
				conn = (HttpURLConnection)url.openConnection();
			}
            conn.connect();
            System.out.println(conn.getResponseCode() + " " + conn.getResponseMessage());
    		//HttpURLConnection conn = (HttpURLConnection) url.openConnection();
		
			//conn.setConnectTimeout(5000);
			//conn.setReadTimeout(5000);
			//conn.setDoOutput(true);
            //
			//InputStream in = conn.getInputStream();
			//conn.setReadTimeout(10*1000);
			//BufferedReader rd = new BufferedReader(new InputStreamReader(in,
			//		"UTF-8"));
			//String tempLine;
			//while ((tempLine = rd.readLine()) != null) {
			//	tempStr.append(tempLine);
			//}
			//responseContent = tempStr.toString();
            //System.out.println(responseContent);
			//rd.close();
			//in.close();
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		} catch (MalformedURLException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} catch(Exception e){
            e.printStackTrace();
        }
    }
    
    /**
 * Trust every server - dont check for any certificate
 */
private static void trustAllHosts() {

	// Create a trust manager that does not validate certificate chains
	TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {

		public java.security.cert.X509Certificate[] getAcceptedIssuers() {
			return new java.security.cert.X509Certificate[] {};
		}

		public void checkClientTrusted(X509Certificate[] chain, String authType)  {
			
		}

		public void checkServerTrusted(X509Certificate[] chain, String authType) {
			
		}
	} };

	// Install the all-trusting trust manager
	try {
		SSLContext sc = SSLContext.getInstance("TLS");
		sc.init(null, trustAllCerts, new java.security.SecureRandom());
		HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
	} catch (Exception e) {
		e.printStackTrace();
	}
}
	public static void main(String[] args) {
		httpGet();
	}

}