do Get HttpsURLConnection - Android Network

Android examples for Network:HTTP Get

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Description

do Get HttpsURLConnection

Demo Code


import android.util.Log;
import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;
import java.net.URLConnection;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

public class Main{
    public static HttpClientResponse doGet(String getUrl,
            String authorizationHeader) {

        Log.d(Constants.LOG_TAG, "Creating GET request to: " + getUrl);
        HttpClientResponse responseObject = new HttpClientResponse();

        //TODO: DEV ONLY! Remove before deploying in production
        trustAllHosts();/*from w w  w .  j ava2  s .  c  o  m*/

        try {
            URL url = new URL(getUrl);

            URLConnection urlConnection = url.openConnection();
            HttpsURLConnection httpsURLConnection = (HttpsURLConnection) urlConnection;

            //TODO: DEV ONLY! Remove before deploying in production
            httpsURLConnection.setHostnameVerifier(new HostnameVerifier() {
                @Override
                public boolean verify(String hostname, SSLSession session) {
                    return true;
                }
            });

            httpsURLConnection.setRequestMethod("GET");
            httpsURLConnection.setDoOutput(true);
            httpsURLConnection.setUseCaches(false);
            httpsURLConnection.setRequestProperty("Authorization",
                    authorizationHeader);
            httpsURLConnection.connect();

            int responseCode = httpsURLConnection.getResponseCode();
            BufferedReader responseReader;

            Log.d(Constants.LOG_TAG, "Got response code: " + responseCode);

            if (httpsURLConnection.getErrorStream() != null) {
                responseReader = new BufferedReader(new InputStreamReader(
                        httpsURLConnection.getErrorStream(), "UTF-8"));
            } else {
                responseReader = new BufferedReader(new InputStreamReader(
                        httpsURLConnection.getInputStream(), "UTF-8"));
            }

            String responseLine = null;
            String responseData = "";

            while ((responseLine = responseReader.readLine()) != null) {
                responseData += responseLine;
            }

            responseObject.responseCode = HttpsURLConnection.HTTP_OK;
            responseObject.responseData = responseData;

            httpsURLConnection.disconnect();

        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (ProtocolException protoException) {
            protoException.printStackTrace();
        } catch (IOException ioException) {
            ioException.printStackTrace();
        }

        return responseObject;
    }
    private static void trustAllHosts() {
        // Create a trust manager that does not validate certificate chains
        TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {

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

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

            public X509Certificate[] getAcceptedIssuers() {
                return new X509Certificate[] {};
            }
        } };

        // 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();
        }
    }
}

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