String fetchAPI2() {

        URL url;
        FileOutputStream fos;
        try {
            url = new URL(CONSTANT.base_url+api_url);

            HttpHost targetHost = new HttpHost(url.getHost(), url.getPort(), url.getProtocol());
            CloseableHttpClient httpClient = HttpClients.createDefault();
            HttpClientContext context = HttpClientContext.create();

            String credential = "admin:1234";

            Log.e("user info"," ccc "+credential);
            if (credential == null) {
                String user = credential.split(":")[0];
                String password = credential.split(":")[1];

                CredentialsProvider credsProvider = new BasicCredentialsProvider();
                HttpRequest request = new BasicHttpRequest("Simple", url.toString());
                //targetHost.setHeader("Authorization", "Digest " + Base64.encodeToString("admin:1234".getBytes(), Base64.NO_WRAP));

                credsProvider.setCredentials(AuthScope.ANY,
                        new UsernamePasswordCredentials(user, password));
                Credentials cred = new UsernamePasswordCredentials("admin","1234");



                AuthCache authCache = new BasicAuthCache();
                DigestScheme digestScheme = new DigestScheme();
                digestScheme.authenticate(cred,request);
                digestScheme.overrideParamter("username", "admin");
                digestScheme.overrideParamter("password", "1234");
                digestScheme.overrideParamter("algorithm", "MD5");
                digestScheme.overrideParamter("realm", "ILAW API" );
                digestScheme.overrideParamter("nonce", "577e91bb3a68e");
                digestScheme.overrideParamter("qop", "auth");
                digestScheme.overrideParamter("nonce count", "00000001");
                digestScheme.overrideParamter("count nonce", "c6b097084f2894b2");
                digestScheme.overrideParamter("client nonce", "c6b097084f2894b2");
                digestScheme.overrideParamter("opaque", "f8bae100c5b172f634c71c6b99ab69e9");

                context.setAttribute("preemptive-auth", digestScheme);
                //targetHost.setHeader("Authorization", "Digest " + Base64.encodeToString("admin:1234".getBytes(), Base64.NO_WRAP));


                authCache.put(targetHost, digestScheme);

                context.setCredentialsProvider(credsProvider);
                context.setAuthCache(authCache);
            }

            HttpGet httpget = new HttpGet(url.getPath());

            CloseableHttpResponse response = httpClient.execute(targetHost, httpget, context);

            try {
                ReadableByteChannel rbc = Channels.newChannel(response.getEntity().getContent());
                //fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
            } finally {

                ByteArrayOutputStream v2 = new ByteArrayOutputStream();
                response.getEntity().writeTo(v2);

                response.close();
                //return credential;
                return v2.toString();

            }




        }catch (Exception e){
            Log.e("err"+e,"err"+e);
        }
        return null;
    }