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Java Microsoft OAuth2 get Access Token

private String getAccessToken(String authorizationCode, String clientId, String clientSecret, String redirectUri) throws Exception {
        String accessToken = "";
        try {

            LOGGER.info("GET MSFT Access Token---code---" + code);

            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpPost postRequest = new HttpPost("https://login.live.com/oauth20_token.srf");

            List<NameValuePair> urlParameters = new ArrayList<NameValuePair>();
            urlParameters.add(new BasicNameValuePair("grant_type", "authorization_code"));
            urlParameters.add(new BasicNameValuePair("client_id", clientId));
            urlParameters.add(new BasicNameValuePair("client_secret", clientSecret));
            urlParameters.add(new BasicNameValuePair("code", code));
            urlParameters.add(new BasicNameValuePair("redirect_uri", redirectUri));

            postRequest.setEntity(new UrlEncodedFormEntity(urlParameters));

            HttpResponse response = httpClient.execute(postRequest);

            if (response.getStatusLine().getStatusCode() != 200) {
                 throw new Exception("Failed : HTTP error code : " + response.getStatusLine().getStatusCode());
            }
            BufferedReader br = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

            StringBuilder sb = new StringBuilder();
            String output;

            while ((output = br.readLine()) != null) {
                sb.append(output);
            }
            br.close();
            LOGGER.info("MSFT JSON Object" + sb);

            JSONObject jsonObject = new JSONObject(sb.toString());
            accessToken = jsonObject.getString("access_token");

            httpClient.getConnectionManager().shutdown();

        } catch (IOException | JSONException e) {
            LOGGER.error("Error in MSFT getAccessToken()", e);
        }
        return accessToken;
    }

Java Microsoft OAuth2 get User Profile

private String getProfile(String authrizationCode, String accessToken) throws Exception {
        StringBuilder sb = new StringBuilder();
        try {

            LOGGER.info("GET MSFT Profile---code---" + code);

            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpGet getRequest = new HttpGet(
                    "https://apis.live.net/v5.0/me?access_token=" + accessToken + "&format=json");
            HttpResponse response = httpClient.execute(getRequest);

            if (response.getStatusLine().getStatusCode() != 200) {
                 throw new Exception("Failed : HTTP error code : " + response.getStatusLine().getStatusCode());
            }
            BufferedReader br = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

            String output;

            while ((output = br.readLine()) != null) {
                sb.append(output);
            }
            br.close();
            LOGGER.info("MSFT JSON Object" + sb);

        } catch (IOException e) {
            LOGGER.error("Error in MSFT getProfile()", e);
        }
        return sb.length() > 0 ? JsonUtils.getJsonString(JSONValue.parse(sb.toString())) : "{}";
    }

Java Microsoft OAuth2 get Access Token

Java Google OAuth2 get User Profile

private String getProfile(String authCode, String accessToken) throws Exception {
        StringBuilder sb = new StringBuilder();
        try {

            LOGGER.info("get Google Profile---accessToken---" + accessToken);
            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpGet getRequest = new HttpGet(
                    "https://www.googleapis.com/plus/v1/people/me"
                            + "?access_token=" + accessToken);
            HttpResponse response = httpClient.execute(getRequest);

            if (response.getStatusLine().getStatusCode() != 200) {
                 throw new Exception("Failed : HTTP error code : " + response.getStatusLine().getStatusCode());
            }
            BufferedReader br = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

            String output;

            while ((output = br.readLine()) != null) {
                sb.append(output);
            }
            br.close();
            LOGGER.info("JSON Object" + sb);

        } catch (IOException e) {
            LOGGER.error("Error in getGoogleProfile()", e);
        }
        return sb.length() > 0 ? JsonUtils.getJsonString(JSONValue.parse(sb.toString())) : "{}";
    }

Java LinkedIn OAuth2 get Profile

private String getProfile(String code, String accessToken) throws Exception {
        StringBuilder sb = new StringBuilder();
        try {

            LOGGER.info("get LinkedIn Profile---code---" + code);

            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpGet getRequest = new HttpGet(
                    "https://api.linkedin.com/v1/people/~:(id,num-connections,picture-url,email-address,first-name,last-name)?oauth2_access_token="
                            + accessToken + "&format=json");
            getRequest.addHeader("oauth2_access_token", code);
            HttpResponse response = httpClient.execute(getRequest);

            if (response.getStatusLine().getStatusCode() != 200) {
                  throw new Exception("Failed : HTTP error code : " + response.getStatusLine().getStatusCode());
            }
            BufferedReader br = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

            String output;

            while ((output = br.readLine()) != null) {
                sb.append(output);
            }
            br.close();
            LOGGER.info("JSON Object" + sb);

        } catch (IOException e) {
            LOGGER.error("Error in getLinkedInProfile()", e);
        }
        return sb.length() > 0 ? JsonUtils.getJsonString(JSONValue.parse(sb.toString())) : null;
    }

Java Facebook OAuth2 get Profile

private static final String PROFILE_URL = "https://graph.facebook.com/me?%s&fields=first_name,last_name,email,birthday,gender,bio,name,relationship_status";
private String getProfile(String code, String accessToken) throws Exception {
        StringBuilder sb = new StringBuilder();
        try {

            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpGet getRequest = new HttpGet(String.format(PROFILE_URL, accessToken));
            getRequest.addHeader("oauth2_access_token", code);
            HttpResponse response = httpClient.execute(getRequest);

            if (response.getStatusLine().getStatusCode() != 200) {
                     throw new Exception("Failed : HTTP error code : " + response.getStatusLine().getStatusCode());
            }
            BufferedReader br = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

            String output;

            while ((output = br.readLine()) != null) {
                sb.append(output);
            }
            br.close();
            LOGGER.info("JSON Object" + sb);

        } catch (IOException e) {
            LOGGER.error("Error in getFacebookProfile()", e);
        }
        return sb.length() > 0 ? JsonUtils.getJsonString(JSONValue.parse(sb.toString())) : "{}";
    }