java程序访问不可信(自颁发证书)ssl http 资源

 package httpssl;

import java.io.InputStreamReader;

import java.net.URL;

import java.security.Security;

import javax.net.ssl.HostnameVerifier;

import javax.net.ssl.HttpsURLConnection;

import javax.net.ssl.SSLSession;

import javax.net.ssl.TrustManager;

/**

*

* @author quansheng

*/

public class T2 {

    public static void main(String[] args) throws Exception {

        HostnameVerifier hv = new HostnameVerifier() {

            public boolean verify(String string, SSLSession ssls) {

                return true;

            }

        };

        trustAllHttpsCertificates();

        HttpsURLConnection.setDefaultHostnameVerifier(hv);

        URL myURL = new URL("https://211.100.34.105/picring/xxxx");

        Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

        HttpsURLConnection httpsConn = (HttpsURLConnection) myURL.openConnection();

        InputStreamReader insr = new InputStreamReader(httpsConn.getInputStream());

        int respInt = insr.read();

        while (respInt != -1) {

            System.out.print((char) respInt);

            respInt = insr.read();

        }

    }

    private static void trustAllHttpsCertificates() throws Exception {

        TrustManager[] trustAllCerts = new javax.net.ssl.TrustManager[]{

            new javax.net.ssl.X509TrustManager() {

                public java.security.cert.X509Certificate[] getAcceptedIssuers() {

                    return null;

                }

                public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {

                }

                public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {

                }

            }

        };

        javax.net.ssl.SSLContext sc =

                javax.net.ssl.SSLContext.getInstance("SSL");

        sc.init(null, trustAllCerts, null);

        javax.net.ssl.HttpsURLConnection.setDefaultSSLSocketFactory(

                sc.getSocketFactory());

    }

}