GooglePlus.java

package com.headissue.sharecount.provider;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;

public class GooglePlus extends ShareCountProvider {

  private static final String queryUrl ="https://clients6.google.com/rpc?key=AIzaSyCKSbrvQasunBoV16zDH9R33D88CeLr9gQ";
  private static final String name = "googleplus";

  public GooglePlus() {
    super(queryUrl, name);
  }

  @Override
  protected String getJsonResponse(String forUrl) throws MalformedURLException {
    String body = "[{\n" +
      "    \"method\":\"pos.plusones.get\",\n" +
      "    \"id\":\"p\",\n" +
      "    \"params\":{\n" +
      "        \"nolog\":true,\n" +
      "        \"id\":\"http://stylehatch.co/\",\n" +
      "        \"source\":\"widget\",\n" +
      "        \"userId\":\"@viewer\",\n" +
      "        \"groupId\":\"@self\"\n" +
      "        },\n" +
      "    \"jsonrpc\":\"2.0\",\n" +
      "    \"key\":\"p\",\n" +
      "    \"apiVersion\":\"v1\"\n" +
      "}]s";

    URL url = new URL(queryUrl);
    HttpURLConnection connection = null;
    try {
      connection = (HttpURLConnection) url.openConnection();
    } catch (IOException e) {
      e.printStackTrace();
    }
    if (connection != null) {
      try {
        connection.setRequestMethod("POST");
        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setUseCaches(false);
        connection.setRequestProperty("Content-Type",
            "application/json");
        connection.setRequestProperty("Content-Length", String.valueOf(body.length()));
      } catch (ProtocolException e) {
        e.printStackTrace();
      }
      OutputStreamWriter writer = null;
      try {
        writer = new OutputStreamWriter(connection.getOutputStream());
        writer.write(body);
        writer.flush();
      } catch (IOException e) {
        e.printStackTrace();
      }
      BufferedReader reader = null;
      StringBuilder sb = new StringBuilder();
      try {
        reader = new BufferedReader(
            new InputStreamReader(connection.getInputStream()));
        for (String line; (line = reader.readLine()) != null; ) {
          sb.append(line);
        }

      } catch (IOException e) {
        e.printStackTrace();
      }
      try {
        if (writer != null) {
          writer.close();
        }
        if (reader != null) {
          reader.close();
        }
      } catch (IOException e) {
        e.printStackTrace();
      }
      return sb.toString();
    }
    return null;
  }

  @Override
  protected Integer getCountInternal(String forUrl) throws MalformedURLException {
    return parseCount(getJsonResponse(forUrl));
  }

  @Override
  protected int parseCount(String json) {
    try {
      JSONArray a = new JSONArray(json);
      if (a.length() > 0) {
        return ((JSONObject) a.get(0)).getJSONObject("result").getJSONObject("metadata").getJSONObject("globalCounts")
          .getInt
            ("count");
      }
    } catch (JSONException e) {
      System.err.print(json);
      e.printStackTrace();
    }
    return 0;
  }
}