Added the Object which creates configurations based on json file
VladimirEliTokarev
parent
80a032d373
commit
80a0a2fc2c
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@ -1,14 +1,9 @@
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package meerkat.voting.gui;
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import com.google.protobuf.ByteString;
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import javafx.application.Application;
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import javafx.stage.Stage;
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import meerkat.protobuf.BallotQuestionUIElementOuterClass;
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import org.json.JSONException;
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import javax.imageio.ImageIO;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.IOException;
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@ -20,58 +15,14 @@ import java.io.IOException;
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public class Main extends Application {
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/**
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* Converts the image from given path to bytes array
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* @param filepath the path to the wanted picture
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* @return byte array of the image
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* @throws IOException
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* Creates the VotingBoothConfigurationCreator and creates configuration based on given path
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* @return VotingBoothVonfiguration parsed from json file
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* @throws IOException will be thrown if the configuraiton file doesnt exist
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* @throws JSONException will be thrown if the json is unvalid
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*/
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private byte[] GetData(String filepath) throws IOException {
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byte[] imageInByte;
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BufferedImage originalImage = ImageIO.read(new File(filepath));
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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ImageIO.write(originalImage, "png", baos);
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baos.flush();
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imageInByte = baos.toByteArray();
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baos.close();
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return imageInByte;
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}
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/**
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* Creates configuration for example
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* @return VotingBoothConfiguration object
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* @throws IOException
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*/
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private VotingBoothConfiguration GetConfig() throws IOException {
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VotingBoothConfiguration config = new VotingBoothConfiguration();
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config.NameSelectionQuestion = BallotQuestionUIElementOuterClass.BallotQuestionUIElement.newBuilder()
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.setQuestion(BallotQuestionUIElementOuterClass.UIQuestion.newBuilder()
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.setQuestionType(0)
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.setQuestion(BallotQuestionUIElementOuterClass.Question.newBuilder()
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.setQuestion(ByteString.copyFromUtf8("Who you vote for?"))))
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.setAnswers(BallotQuestionUIElementOuterClass.UIAnswers.newBuilder()
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.setAnswersType(0)
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.setAnswers(BallotQuestionUIElementOuterClass.ListOfAnswers.newBuilder()
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.addAnswers(ByteString.copyFromUtf8("George Boosh"))
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.addAnswers(ByteString.copyFromUtf8("Antonio Banderas"))
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.addAnswers(ByteString.copyFromUtf8("Michal Jakson"))))
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.setRandomizeListOrder(true).build();
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config.NameSelectionByPictureQuestion = BallotQuestionUIElementOuterClass.BallotQuestionUIElement.newBuilder()
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.setQuestion(BallotQuestionUIElementOuterClass.UIQuestion.newBuilder()
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.setQuestionType(0)
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.setQuestion(BallotQuestionUIElementOuterClass.Question.newBuilder()
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.setQuestion(ByteString.copyFromUtf8("Who you vote for?"))))
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.setAnswers(BallotQuestionUIElementOuterClass.UIAnswers.newBuilder()
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.setAnswersType(2)
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.setAnswers(BallotQuestionUIElementOuterClass.ListOfAnswers.newBuilder()
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.addAnswers(ByteString.copyFrom(GetData("/F:/vova/meerkat/meerkat-java/voting-booth-gui/src/main/resources/images/GeorgeBush.png")))
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.addAnswers(ByteString.copyFrom(GetData("/F:/vova/meerkat/meerkat-java/voting-booth-gui/src/main/resources/images/MichaelJackson.png")))
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.addAnswers(ByteString.copyFrom(GetData("/F:/vova/meerkat/meerkat-java/voting-booth-gui/src/main/resources/images/AntonioBanderass.png")))))
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.setRandomizeListOrder(true).build();
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return config;
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private VotingBoothConfiguration GetConfig() throws IOException, JSONException {
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VotingBoothConfigurationCreator creator = new VotingBoothConfigurationCreator();
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return creator.CreateConfiguration("/F:/vova/meerkat/meerkat-java/voting-booth-gui/src/main/resources/configuration/VotingBoothConfiguration.json");
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}
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@Override
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@ -0,0 +1,141 @@
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package meerkat.voting.gui;
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import com.google.protobuf.ByteString;
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import meerkat.protobuf.BallotQuestionUIElementOuterClass;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import javax.imageio.ImageIO;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Scanner;
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/**
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* Created by Vladimir Eliezer Tokarev on 10/4/2016.
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* This class creates QuestionBallotUIElement from given configuration file
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*/
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class VotingBoothConfigurationCreator {
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/**
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* Creates VotingBoothConfiguarion object form file that given as paramter
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* @param configPath the path to the json configuration
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* @return configuraiton object
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*/
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VotingBoothConfiguration CreateConfiguration(String configPath) throws IOException, JSONException {
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VotingBoothConfiguration config = new VotingBoothConfiguration();
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JSONArray array = this.getJsonFromPath(configPath);
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if (array.length() > 2) {
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throw new IOException("The configration has to many questions datas");
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} else {
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BallotQuestionUIElementOuterClass.BallotQuestionUIElement ballotQuestionUIElement = this.convertJSONObjToBallotQuestion(array.getJSONObject(0));
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config.NameSelectionQuestion = ballotQuestionUIElement;
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ballotQuestionUIElement = this.convertJSONObjToBallotQuestion(array.getJSONObject(1));
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config.NameSelectionByPictureQuestion = ballotQuestionUIElement;
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}
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return config;
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}
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/**
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* Gets array of object that contains the data of the BallotAQuestions
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* @param path the path to the configuration file
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* @return JSONArray which represnets array of ballot Questions
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* @throws FileNotFoundException will be thrown in the config file not exists
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* @throws JSONException will be thrown if the parsing will fail
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*/
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private JSONArray getJsonFromPath(String path) throws FileNotFoundException, JSONException {
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String content = new Scanner(new File(path)).useDelimiter("\\Z").next();
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JSONObject jsonObject = new JSONObject(content);
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return (JSONArray)jsonObject.get("questions");
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}
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/**
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* converts the given JSONObject into BallotQuestionUIElement
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* @param object the object to convert
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* @return BallotQuestion parsed fron JSONObject
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*/
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private BallotQuestionUIElementOuterClass.BallotQuestionUIElement convertJSONObjToBallotQuestion(JSONObject object) throws JSONException, IOException {
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boolean randomize = object.getBoolean("randomize");
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// Question part
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JSONObject question = object.getJSONObject("question");
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int questionType = question.getInt("type");
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ByteString questionValue = this.convertToByteStringBasedOnType(questionType, question.getString("questionValue"));
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// Answers Part
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JSONObject answers = object.getJSONObject("answers");
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int answersType = answers.getInt("type");
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JSONArray answersValues = answers.getJSONArray("answersValue");
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List<ByteString> byteStrings = new ArrayList<>();
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for (int i = 0 ; i < answersValues.length(); i ++){
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byteStrings.add(this.convertToByteStringBasedOnType(answersType, answersValues.getString(i)));
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}
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BallotQuestionUIElementOuterClass.UIQuestion uiQuestion = BallotQuestionUIElementOuterClass.UIQuestion.newBuilder()
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.setQuestionType(questionType)
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.setQuestion(BallotQuestionUIElementOuterClass.Question.newBuilder()
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.setQuestion(questionValue))
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.build();
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BallotQuestionUIElementOuterClass.UIAnswers.Builder uiAnswersBuilder = BallotQuestionUIElementOuterClass.UIAnswers.newBuilder()
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.setAnswersType(answersType);
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for(ByteString byteString : byteStrings){
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uiAnswersBuilder.setAnswers(BallotQuestionUIElementOuterClass.ListOfAnswers.newBuilder()
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.addAnswers(byteString));
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}
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return BallotQuestionUIElementOuterClass.BallotQuestionUIElement.newBuilder()
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.setQuestion(uiQuestion)
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.setAnswers(uiAnswersBuilder.build())
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.setRandomizeListOrder(randomize)
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.build();
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}
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/**
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* Tries to get convert the given question to ByteString else throws excetion
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* @param questionType the type of the question (can be 0 - text, 1 - audio, 2 - image)
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* @param questionValue the values itseld (in case the type is 1 or 2 the question value will be a path to the file)
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* @return ByteString which is or the value or the file in given path
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* @throws IOException will be thrown if the given type is unsupported
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*/
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private ByteString convertToByteStringBasedOnType(int questionType, String questionValue) throws IOException {
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if (questionType == BallotQuestionUIElementOuterClass.ValueType.TEXT_TYPE.getNumber()) {
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return ByteString.copyFromUtf8(questionValue);
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}
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if (questionType == BallotQuestionUIElementOuterClass.ValueType.IMAGE_TYPE.getNumber()) {
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return ByteString.copyFrom(getFileBytes(questionValue));
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}
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else {
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throw new IOException("The given questio type doesnt supported in current version");
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}
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}
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/**
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* Converts the image from given path to bytes array
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* @param filepath the path to the wanted picture
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* @return byte array of the image
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* @throws IOException will be thrown if the given file doesnt exist
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*/
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private byte[] getFileBytes(String filepath) throws IOException {
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byte[] imageInByte;
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BufferedImage originalImage = ImageIO.read(new File(filepath));
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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ImageIO.write(originalImage, "png", baos);
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baos.flush();
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imageInByte = baos.toByteArray();
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baos.close();
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return imageInByte;
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}
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}
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@ -0,0 +1,34 @@
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{
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"questions": [
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{
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"randomize": true,
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"question": {
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"type": 0,
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"questionValue": "Select candidate name."
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},
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"answers": {
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"type": 0,
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"answersValue": [
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"George Boosh",
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"Antonio Banderass",
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"Michael Jakson"
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]
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}
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},
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{
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"randomize": true,
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"question": {
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"type": 0,
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"question": "Select candidate picture."
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},
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"answers": {
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"type": 2,
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"answers": [
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"/F:/vova/meerkat/meerkat-java/voting-booth-gui/src/main/resources/images/GeorgeBush.png",
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"/F:/vova/meerkat/meerkat-java/voting-booth-gui/src/main/resources/images/MichaelJackson.png",
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"/F:/vova/meerkat/meerkat-java/voting-booth-gui/src/main/resources/images/AntonioBanderass.png"
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]
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}
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}
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]
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}
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