java訪問ssl方法

private static HttpsURLConnection conn;public InsecureConnection(){}public HttpsURLConnection connect(String urlStr, final String userName, final String password) {Authenticator.setDefault (new Authenticator() {    protected PasswordAuthentication getPasswordAuthentication() {        return new PasswordAuthentication (userName, password.toCharArray());    }});try{        SSLContext ctx = SSLContext.getInstance("TLS");        ctx.init(new KeyManager[0], new TrustManager[] {new DefaultTrustManager()}, new SecureRandom());        SSLContext.setDefault(ctx);        URL url = new URL(urlStr);        conn = (HttpsURLConnection) url.openConnection();        conn.setUseCaches(true);        conn.setHostnameVerifier(new HostnameVerifier() {            @Override            public boolean verify(String arg0, SSLSession arg1) {                return true;            }        });        //System.out.println(conn.getResponseCode());}catch(Exception e){e.printStackTrace();}return conn;}public void disconnect(){try{if(conn != null){conn.disconnect();}}catch(Exception e){e.printStackTrace();}}private static class DefaultTrustManager implements X509TrustManager {        @Override        public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {}        @Override        public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {}        @Override        public X509Certificate[] getAcceptedIssuers() {            return null;        }    }

java訪問ssl方法