graphvk.Search.java Source code

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Here is the source code for graphvk.Search.java

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/*
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package graphvk;

import static graphvk.GraphVk.fieldsZaprosa;
import static graphvk.GraphVk.paramsSearch;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.ArrayList;
import java.util.Map;
import org.json.simple.JSONObject;
import org.json.simple.JSONArray;
import org.json.simple.parser.JSONParser;

/**
 *
 * @author Smile
 */
public class Search {
    public static String urlApi = "https://api.vk.com/method/";
    static String methodUusersSearch = "users.search?";
    static String methodFriendsGet = "friends.get?";
    static String accessToken = "02862403d14bddcdf6817b0af0c517ba05e74389e2fab6fb7610a546a239df542aec647ea8d45dfc67f02";
    static String pathOne = "D:\\vkGraph\\gitVkGraph\\graph.csv";
    public static ArrayList<String> userListSearch1 = new ArrayList<>();

    public ArrayList<String> zaprosSearch() throws IOException {
        String strUrl = "";
        String resultSeachJson;
        strUrl = urlApi + methodUusersSearch + paramsSearch + "&count=1000" + "&access_token=" + accessToken;
        File file = new File(pathOne);
        //?    ??.
        if (!file.exists()) {
            // .
            file.createNewFile();
        }
        URL url = new URL(strUrl); // ?  API VK UserSearch
        BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()));
        resultSeachJson = reader.readLine();
        reader.close();
        JSONParser parser = new JSONParser(); // ?  Json 
        try {
            Object objS = parser.parse(resultSeachJson);
            JSONObject jsonSObject = (JSONObject) objS;
            JSONArray listResult = (JSONArray) jsonSObject.get("response");
            JSONObject jsonSObj;
            for (int i = 1; i < listResult.size() - 1; i++) {
                jsonSObj = (JSONObject) listResult.get(i);
                userListSearch1.add("" + jsonSObj.get("uid"));
            }
        } catch (Exception e) {
            System.out.println(" Search ");
        }
        return userListSearch1;
    }

    /**
    *    user
    * @param string userId
    *      ?
    * @param string params
    *    ?   
    */
    public void getUserFriend(String userId, String params) throws IOException {
        String resultFriendJson = null;
        String strFriend = urlApi + methodFriendsGet + "user_id=" + userId + params;
        URL urlFriend = new URL(strFriend);
        try (BufferedReader readerOne = new BufferedReader(new InputStreamReader(urlFriend.openStream()))) {
            resultFriendJson = readerOne.readLine();
        } catch (IOException ex) {
            System.out.println(ex.getMessage());
        }
        //?  Json
        JSONParser parser = new JSONParser();
        try {
            Object objF = parser.parse(resultFriendJson);
            JSONObject jsonFriendObject = (JSONObject) objF;
            JSONArray listResultF = (JSONArray) jsonFriendObject.get("response");
            if (listResultF == null) {
                try {
                    Thread.sleep(2000);
                } catch (InterruptedException ex) {
                    Thread.currentThread().interrupt();
                }
                getUserFriend(userId, params);
            }
            JSONObject jsonFriendObj;
            String f; //  users
            FileWriter fo = new FileWriter(pathOne, true);
            try {
                Integer countFriends = 0;
                Boolean flagZapis = false;
                for (int i = 0; i < listResultF.size(); i++) {
                    flagZapis = false;
                    jsonFriendObj = (JSONObject) listResultF.get(i);
                    for (Map.Entry<String, String> item : fieldsZaprosa.entrySet()) {
                        f = "" + jsonFriendObj.get(item.getKey());
                        if (item.getKey().equals("universities")) {
                            if (!f.equals("null")) {
                                JSONArray arrUniversiti = (JSONArray) jsonFriendObj.get("universities");
                                if (!arrUniversiti.isEmpty()) {
                                    JSONObject jsonUniverObj;
                                    for (int j = 0; j < arrUniversiti.size(); j++) {
                                        jsonUniverObj = (JSONObject) arrUniversiti.get(j);
                                        String idUniver;
                                        idUniver = "" + jsonUniverObj.get("id");
                                        if (!idUniver.equals(item.getValue())) { // ?  ,  ? ??
                                            flagZapis = true;
                                        } else {
                                            flagZapis = false;
                                            break;
                                        }
                                    }
                                } else {
                                    flagZapis = true;
                                }
                            } else {
                                flagZapis = true;
                                break;
                            }
                            continue;
                        }
                        if (flagZapis == true) {
                            break;
                        }
                        if (!f.equals(item.getValue())) {
                            flagZapis = true;
                            break;
                        }
                    }
                    if (flagZapis == false) {
                        countFriends++;
                        fo.write(userId + ";" + jsonFriendObj.get("uid") + "\r\n");
                        checkAndAddUser("" + jsonFriendObj.get("uid"));
                    }
                }
                if (countFriends == 0) {
                    fo.write(userId + "\r\n");
                }
            } catch (IOException ex) {
                // handle exception
            } finally { //  ?? ?  finally   ?   try-catch 
                try {
                    fo.flush();
                    fo.close();
                } catch (IOException ex) {
                }
            }
        } catch (Exception e) {
            System.out.println(userId + " ");
        }
    }

    /**
     * 
     *    ?? id      ?
     * @param string uidUser
     *    ?
     */
    public void checkAndAddUser(String uidUser) {
        if (!userListSearch1.contains(uidUser)) {
            userListSearch1.add(uidUser);
        }
    }
}