Example usage for com.google.gson JsonArray iterator

Introduction

In this page you can find the example usage for com.google.gson JsonArray iterator.

Prototype

public Iterator<JsonElement> iterator() 

Source Link

Document

Returns an iterator to navigate the elements of the array.

Usage

From source file:com.pearson.pdn.learningstudio.eventing.EventingClient.java

License:Apache License

private List<Subscription> parseSubscriptions(String jsonString) throws ParseException {
    JsonParser jsonParser = new JsonParser();
    JsonElement json = jsonParser.parse(jsonString);
    JsonArray jsonSubs = json.getAsJsonObject().get("subscriptions").getAsJsonArray();

    List<Subscription> subs = new ArrayList<Subscription>();
    for (Iterator<JsonElement> iter = jsonSubs.iterator(); iter.hasNext();) {
        JsonObject jsonSub = iter.next().getAsJsonObject().get("subscription").getAsJsonObject();
        subs.add(parseSubscriptionObject(jsonSub));
    }/* w w  w  .j a  v  a2 s .  c  om*/

    return subs;
}

---

From source file:com.pearson.pdn.learningstudio.eventing.EventingClient.java

License:Apache License

private Subscription parseSubscriptionObject(JsonObject jsonSub) throws ParseException {
    Subscription sub = new Subscription();
    sub.setId(jsonSub.get("id").getAsString());
    sub.setPrincipalId(jsonSub.get("principal_id").getAsString());
    sub.setCreateDate(DATE_FORMAT.parse(jsonSub.get("date_created").getAsString()));
    sub.setCallbackUrl(jsonSub.get("callback_url").getAsString());
    sub.setTags(new HashMap<String, String>());

    JsonArray jsonTags = jsonSub.get("tags").getAsJsonArray();
    for (Iterator<JsonElement> iter = jsonTags.iterator(); iter.hasNext();) {
        JsonObject jsonTag = iter.next().getAsJsonObject().get("tag").getAsJsonObject();
        String tagName = jsonTag.get("type").getAsString();
        String tagValue = jsonTag.get("value").getAsString();

        // map the tags to sub as appropriate
        if ("Client".equals(tagName))
            sub.setClient(tagValue);/*  w w w  .ja  v  a  2s . co  m*/
        else if ("ClientString".equals(tagName))
            sub.setClientString(tagValue);
        else if ("MessageType".equals(tagName))
            sub.setMessageType(tagValue);
        else if ("System".equals(tagName))
            sub.setSystem(tagValue);
        else if ("SubSystem".equals(tagName))
            sub.setSubSystem(tagValue);
        else
            sub.getTags().put(tagName, tagValue);

    }

    return sub;
}

---

From source file:com.pearson.pdn.learningstudio.exams.ExamService.java

License:Apache License

/**
 * Retrieve all of a user's exams for a course with
 * GET /users/{userId}/courses/{courses}/items
 * using OAuth1 or OAuth2 as a student or teacher
 * /*from  w ww.ja  va2 s  . c  om*/
 * @param userId   ID of the user
 * @param courseId   ID of course
 * @return Response object with details of status and content
 * @throws IOException
 */
public Response getAllExamItems(String userId, String courseId) throws IOException {
    String relativeUrl = String.format(PATH_USERS_COURSES_ITEMS, userId, courseId);
    Response response = doMethod(HttpMethod.GET, relativeUrl, NO_CONTENT);
    if (response.isError()) {
        return response;
    }

    String courseItemsJson = response.getContent();
    JsonObject json = this.jsonParser.parse(courseItemsJson).getAsJsonObject();
    JsonArray items = json.get("items").getAsJsonArray();
    JsonArray exams = new JsonArray();

    for (Iterator<JsonElement> itemIter = items.iterator(); itemIter.hasNext();) {
        JsonObject item = itemIter.next().getAsJsonObject();
        JsonArray links = item.get("links").getAsJsonArray();

        for (Iterator<JsonElement> linkIter = links.iterator(); linkIter.hasNext();) {
            JsonObject link = linkIter.next().getAsJsonObject();
            if (RELS_USER_COURSE_EXAM.equals(link.get("rel").getAsString())) {
                exams.add(item);
                break;
            }
        }
    }

    JsonObject examItems = new JsonObject();
    examItems.add("items", exams);

    response.setContent(this.gson.toJson(examItems));
    return response;
}

---

From source file:com.pearson.pdn.learningstudio.exams.ExamService.java

License:Apache License

/**
 *  Retrieves and filters a user's current attempt of an exam in a course with 
 *  GET /users/{userId}/courses/{courseId}/exams/{examId}/attempts
 *  using OAuth2 as a student/*from  w w  w  .  jav a  2 s .  c om*/
 * 
 * @param userId   ID of the user
 * @param courseId   ID of the course
 * @param examId   ID of the exam
 * @return Response object with details of status and content
 * @throws IOException
 */
public Response getCurrentExamAttempt(String userId, String courseId, String examId) throws IOException {
    Response response = getExamAttempts(userId, courseId, examId);
    if (response.isError()) {
        return response;
    }
    String attemptsJson = response.getContent();
    JsonElement json = jsonParser.parse(attemptsJson);
    JsonArray attempts = json.getAsJsonObject().get("attempts").getAsJsonArray();
    JsonObject currentAttempt = null;

    for (Iterator<JsonElement> attemptsIterator = attempts.iterator(); attemptsIterator.hasNext();) {
        JsonObject attempt = attemptsIterator.next().getAsJsonObject();
        if (!attempt.get("isCompleted").getAsBoolean()) {
            currentAttempt = attempt;
            break;
        }
    }

    if (currentAttempt != null) {
        JsonObject attempt = new JsonObject();
        attempt.add("attempt", currentAttempt);

        response.setContent(gson.toJson(attempt));
    } else {
        response.setStatusCode(ResponseStatus.NOT_FOUND.code());
        response.setContent(null);
    }

    return response;
}

---

From source file:com.pearson.pdn.learningstudio.exams.ExamService.java

License:Apache License

/**
 * Retrieve details of questions for a section of a user's exam in a course with 
 * GET /users/{userId}/courses/{courseId}/exams/{examId}/sections/{sectionId}/questions
 * and getExamSectionQuestion// w w w . j  a va 2s. c  om
 * using OAuth2 as a student
 * 
 * @param userId   ID of the user
 * @param courseId   ID of the course
 * @param examId   ID of the exam
 * @param sectionId   ID of the section on the exam
 * @return Response object with details of status and content
 * @throws IOException
 */
public Response getExamSectionQuestions(String userId, String courseId, String examId, String sectionId)
        throws IOException {

    String relativeUrl = String.format(PATH_USERS_COURSES_EXAMS_SECTIONS_QUESTIONS, userId, courseId, examId,
            sectionId);
    Response response = doMethod(HttpMethod.GET, relativeUrl, NO_CONTENT);
    if (response.isError()) {
        return response;
    }

    String sectionQuestionJson = response.getContent();
    JsonObject json = this.jsonParser.parse(sectionQuestionJson).getAsJsonObject();
    JsonArray questions = json.get("questions").getAsJsonArray();
    JsonArray sectionQuestions = new JsonArray();

    for (Iterator<JsonElement> questionIter = questions.iterator(); questionIter.hasNext();) {
        JsonObject question = questionIter.next().getAsJsonObject();
        String questionType = question.get("type").getAsString();
        String questionId = question.get("id").getAsString();
        Response questionResponse = getExamSectionQuestion(userId, courseId, examId, sectionId, questionType,
                questionId);
        if (questionResponse.isError()) {
            return questionResponse;
        }

        JsonObject sectionQuestion = this.jsonParser.parse(questionResponse.getContent()).getAsJsonObject();
        sectionQuestion.addProperty("id", questionId);
        sectionQuestion.addProperty("type", questionType);
        sectionQuestion.addProperty("pointsPossible", question.get("pointsPossible").getAsString());
        sectionQuestions.add(sectionQuestion);
    }

    JsonObject sectionQuestionsWrapper = new JsonObject();
    sectionQuestionsWrapper.add("questions", sectionQuestions);

    response.setContent(this.gson.toJson(sectionQuestionsWrapper));
    return response;
}

---

From source file:com.pearson.pdn.learningstudio.grades.GradeService.java

License:Apache License

/**
 * Get a user's grades for a course with
 * GET /users/{userId}/courses/{courseId}/gradebook/userGradebookItems
 * and getGrade(String userId, String courseId, String gradebookItemId, boolean useSourceDomain)
 * using OAuth1 or OAuth2 as a teacher, teaching assistant or administrator
 * //from ww w . j a  v  a 2  s . com
 * @param userId   ID of the user
 * @param courseId   ID of the course
 * @param useSourceDomain   Indicator of whether to include domain in urls
 * @return   Response object with details of status and content
 * @throws IOException
 */
public Response getGrades(String userId, String courseId, boolean useSourceDomain) throws IOException {
    Response response = getCourseGradebookUserItems(userId, courseId);
    if (response.isError()) {
        return response;
    }

    JsonArray grades = new JsonArray();

    JsonElement json = this.jsonParser.parse(response.getContent());
    JsonArray items = json.getAsJsonObject().get("userGradebookItems").getAsJsonArray();
    for (Iterator<JsonElement> itemIter = items.iterator(); itemIter.hasNext();) {
        JsonObject item = itemIter.next().getAsJsonObject();
        String gradebookItemId = item.get("gradebookItem").getAsJsonObject().get("id").getAsString();
        Response gradeResponse = getGrade(userId, courseId, gradebookItemId, useSourceDomain);
        if (gradeResponse.isError()) {
            // grades for all items might not exist. That's ok
            if (gradeResponse.getStatusCode() == ResponseStatus.NOT_FOUND.code()) {
                continue;
            }
            return gradeResponse;
        }
        JsonObject grade = this.jsonParser.parse(gradeResponse.getContent()).getAsJsonObject();
        grade = grade.get("grade").getAsJsonObject();
        grades.add(grade);
    }

    JsonObject gradesWrapper = new JsonObject();
    gradesWrapper.add("grades", grades);

    response.setContent(this.gson.toJson(gradesWrapper));
    return response;
}

---

From source file:com.pinterest.arcee.metrics.StatsboardMetricSource.java

License:Apache License

@Override
public Collection<MetricDatumBean> getMetrics(String metricName, String start) throws Exception {
    HTTPClient httpClient = new HTTPClient();
    Map<String, String> params = new HashMap<>();
    params.put("target", metricName);
    params.put("start", start);
    HashMap<String, String> headers = new HashMap<>();

    String url = String.format("%s/api/v1/query", readPath);
    String jsonPayload = httpClient.get(url, params, headers, 1);
    LOG.debug(String.format("Get metric data from source: %s", jsonPayload));
    List<MetricDatumBean> dataPoints = new ArrayList<>();
    JsonParser parser = new JsonParser();
    JsonArray array = (JsonArray) parser.parse(jsonPayload);
    if (array.isJsonNull() || array.size() == 0) {
        LOG.info(String.format("Cannot obtain metrics %s from %s", metricName, url));
        return dataPoints;
    }// w w w .j  a  va2 s. c  o m

    JsonObject object = (JsonObject) array.get(0);
    JsonArray data = object.getAsJsonArray("datapoints");
    for (Iterator<JsonElement> elementIterator = data.iterator(); elementIterator.hasNext();) {
        JsonArray metric = (JsonArray) elementIterator.next();
        MetricDatumBean dataPoint = new MetricDatumBean();
        dataPoint.setTimestamp(metric.get(0).getAsLong() * 1000);
        double metricValue = metric.get(1).getAsDouble();
        metricValue = metricValue == Double.MIN_VALUE ? 0 : metricValue;
        dataPoint.setValue(metricValue);
        dataPoints.add(dataPoint);
    }
    return dataPoints;
}

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From source file:com.plnyyanks.frcnotebook.background.GetNotesForMatch.java

License:Open Source License

@Override
protected String doInBackground(String... strings) {
    String thisMatchKey, eventKey;
    previousMatchKey = strings[0];//from   ww  w . j a  va 2  s. c  om
    thisMatchKey = strings[1];
    nextMatchKey = strings[2];
    eventKey = strings[3];
    selectedNote = "";

    Match match = StartActivity.db.getMatch(thisMatchKey);
    Event parentEvent = match.getParentEvent();
    TextView matchTitle = (TextView) activity.findViewById(R.id.match_title);
    String titleString = Match.LONG_TYPES.get(match.getMatchType())
            + (match.getMatchType() == Match.MATCH_TYPES.QUAL ? " " : (" " + match.getSetNumber() + " Match "))
            + match.getMatchNumber();
    matchTitle.setText(titleString);
    if (PreferenceHandler.getTimesEnabled() && parentEvent.isHappeningNow()) {
        String matchTime = match.getMatchTime();
        if (matchTime != null && !matchTime.equals("")) {
            TextView timeOffset = (TextView) activity.findViewById(R.id.match_time);
            SimpleDateFormat df = new SimpleDateFormat(TIME_FORMAT);
            Log.d(Constants.LOG_TAG, "Showing match time");
            try {
                Date matchStart = df.parse(matchTime);
                Date currentTime = new Date();
                int hourdif = currentTime.getHours() - matchStart.getHours();
                int mindif = currentTime.getMinutes() - matchStart.getMinutes();
                String timeString = Math.abs(hourdif) + ":" + String.format("%02d", Math.abs(mindif));
                boolean ahead;
                if (hourdif > 0 || (hourdif == 0 && mindif > 0)) {
                    timeString += " behind";
                    ahead = false;
                } else {
                    timeString += " ahead";
                    ahead = true;
                }
                timeOffset.setText(timeString);
                timeOffset.setTextColor(ahead ? Color.GREEN : Color.RED);
                timeOffset.setVisibility(View.VISIBLE);
            } catch (ParseException e) {
                Log.w(Constants.LOG_TAG, "Error parsing match time");
            }
        }
    }

    TextView redHeader = (TextView) activity.findViewById(R.id.red_score);
    if (match.getRedScore() >= 0 && PreferenceHandler.showMatchScores()) {
        redHeader.setText(Integer.toString(match.getRedScore()) + " Points");
    } else {
        redHeader.setVisibility(View.GONE);
    }

    TextView blueHeader = (TextView) activity.findViewById(R.id.blue_score);
    if (match.getBlueScore() >= 0 && PreferenceHandler.showMatchScores()) {
        blueHeader.setText(Integer.toString(match.getBlueScore()) + " Points");
    } else {
        blueHeader.setVisibility(View.GONE);
    }

    JsonArray redTeams = match.getRedAllianceTeams(), blueTeams = match.getBlueAllianceTeams();

    if (redTeams.size() > 0) {
        Iterator<JsonElement> iterator = redTeams.iterator();
        String teamKey;
        for (int i = 0; iterator.hasNext(); i++) {
            teamKey = iterator.next().getAsString();
            ArrayList<Note> notes = new ArrayList<Note>();
            if (PreferenceHandler.showGeneralNotes()) {
                notes.addAll(StartActivity.db.getAllNotes(
                        StartActivity.db.KEY_EVENTKEY + "=? AND " + StartActivity.db.KEY_MATCHKEY + "=?",
                        new String[] { "all", "all" }));
            }
            notes.addAll(StartActivity.db.getAllNotes(teamKey, eventKey, thisMatchKey));
            int size = notes.size();
            ListGroup teamHeader = new ListGroup(
                    teamKey.substring(3) + (size > 0 ? (" (" + notes.size() + ")") : ""));

            for (Note n : notes) {
                teamHeader.children.add(Note.buildMatchNoteTitle(n, false, false, false));
                teamHeader.children_keys.add(Short.toString(n.getId()));
            }

            redGroups.append(i, teamHeader);
        }
    }
    if (blueTeams.size() > 0) {
        Iterator<JsonElement> iterator = blueTeams.iterator();
        String teamKey;
        for (int i = 0; iterator.hasNext(); i++) {
            teamKey = iterator.next().getAsString();
            ArrayList<Note> notes = new ArrayList<Note>();
            if (PreferenceHandler.showGeneralNotes()) {
                notes.addAll(StartActivity.db.getAllNotes(
                        StartActivity.db.KEY_EVENTKEY + "=? AND " + StartActivity.db.KEY_MATCHKEY + "=?",
                        new String[] { "all", "all" }));
            }
            notes.addAll(StartActivity.db.getAllNotes(teamKey, eventKey, thisMatchKey));
            int size = notes.size();
            ListGroup teamHeader = new ListGroup(
                    teamKey.substring(3) + (size > 0 ? (" (" + notes.size() + ")") : ""));

            for (Note n : notes) {
                teamHeader.children.add(Note.buildMatchNoteTitle(n, false, false, false));
                teamHeader.children_keys.add(Short.toString(n.getId()));
            }

            blueGroups.append(i, teamHeader);
        }
    }

    //generic notes go here
    final ArrayList<Note> genericNotes = StartActivity.db.getAllNotes(
            StartActivity.db.KEY_TEAMKEY + "=? AND " + StartActivity.db.KEY_EVENTKEY + "=? AND "
                    + StartActivity.db.KEY_MATCHKEY + "=?",
            new String[] { "all", eventKey, match.getMatchKey() });
    Log.d(Constants.LOG_TAG, "Found " + genericNotes.size() + " generic notes");
    ArrayList<ListItem> genericVals = new ArrayList<ListItem>();
    ArrayList<String> genericKeys = new ArrayList<String>();
    for (Note n : genericNotes) {
        genericVals.add(new ListElement(n.getNote(), Short.toString(n.getId())));
        genericKeys.add(Short.toString(n.getId()));
    }
    genericAdapter = new ListViewArrayAdapter(activity, genericVals, genericKeys);

    activity.runOnUiThread(new Runnable() {
        @Override
        public void run() {
            if (!StartActivity.db.matchExists(nextMatchKey)) {
                ImageView nextButton = (ImageView) activity.findViewById(R.id.next_match);
                nextButton.setVisibility(View.GONE);
            }
            if (!StartActivity.db.matchExists(previousMatchKey)) {
                ImageView prevButton = (ImageView) activity.findViewById(R.id.prev_match);
                prevButton.setVisibility(View.GONE);
            }

            redAlliance = (ExpandableListView) activity.findViewById(R.id.red_teams);
            if (redAlliance == null)
                return;
            redAdaper = new AllianceExpandableListAdapter(activity, redGroups);
            redAlliance.setAdapter(redAdaper);

            blueAlliance = (ExpandableListView) activity.findViewById(R.id.blue_teams);
            if (redAlliance == null)
                return;
            blueAdapter = new AllianceExpandableListAdapter(activity, blueGroups);
            blueAlliance.setAdapter(blueAdapter);

            genericList = (ListView) activity.findViewById(R.id.generic_notes);
            genericList.setAdapter(genericAdapter);
            GenericNoteClick clickListener = new GenericNoteClick();
            genericList.setOnItemClickListener(clickListener);
            genericList.setOnItemLongClickListener(clickListener);
            if (genericNotes.size() > 0) {
                genericList.setVisibility(View.VISIBLE);
            }

            //hide the progress bar
            ProgressBar prog = (ProgressBar) activity.findViewById(R.id.match_loading_progress);
            prog.setVisibility(View.GONE);
        }
    });

    return null;
}

---

From source file:com.plnyyanks.frcnotebook.database.DatabaseHandler.java

License:Open Source License

public void importEvents(JsonArray events) {
    Iterator<JsonElement> iterator = events.iterator();
    JsonObject e;/*from w  ww  .  j  av  a 2 s. com*/
    Event event;

    while (iterator.hasNext()) {
        e = iterator.next().getAsJsonObject();
        event = new Event();
        event.setEventKey(e.get(KEY_EVENTKEY).getAsString());
        event.setEventName(e.get(KEY_EVENTNAME).getAsString());
        event.setShortName(e.get(KEY_EVENTSHORT).getAsString());
        event.setEventYear(e.get(KEY_EVENTYEAR).getAsInt());
        if (!(e.get(KEY_EVENTLOC) instanceof JsonNull))
            event.setEventLocation(e.get(KEY_EVENTLOC).getAsString());
        event.setEventStart(e.get(KEY_EVENTSTART).getAsString());
        event.setEventEnd(e.get(KEY_EVENTEND).getAsString());
        event.setOfficial(e.get(KEY_EVENTOFFICIAL).getAsBoolean());

        addEvent(event);
    }
}

---

From source file:com.plnyyanks.frcnotebook.database.DatabaseHandler.java

License:Open Source License

public void importMatches(JsonArray matches) {
    Iterator<JsonElement> iterator = matches.iterator();
    JsonObject m;/*from   w  w w . ja v  a 2 s  .  c om*/
    Match match;

    while (iterator.hasNext()) {
        m = iterator.next().getAsJsonObject();
        match = new Match();
        match.setMatchKey(m.get(KEY_MATCHKEY).getAsString());
        match.setMatchType(m.get(KEY_MATCHTYPE).getAsString());
        match.setMatchNumber(m.get(KEY_MATCHNO).getAsInt());
        match.setSetNumber(m.get(KEY_MATCHSET).getAsInt());
        match.setRedAlliance(m.get(KEY_REDALLIANCE).toString());
        match.setBlueAlliance(m.get(KEY_BLUEALLIANCE).toString());
        match.setRedScore(m.get(KEY_REDSCORE).getAsInt());
        match.setBlueScore(m.get(KEY_BLUESCORE).getAsInt());
        try {
            match.setMatchTime(m.get(KEY_MATCHTIME).getAsString());
        } catch (Exception e) {
            match.setMatchTime("");
        }

        addMatch(match);
    }
}

---

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