Example usage for org.json JSONArray length

Introduction

In this page you can find the example usage for org.json JSONArray length.

Prototype

public int length() 

Source Link

Document

Get the number of elements in the JSONArray, included nulls.

Usage

From source file:org.eclipse.orion.server.tests.servlets.git.GitPullTest.java

@Test
public void testPullRemoteUpToDate() throws Exception {
    // clone a repo
    URI workspaceLocation = createWorkspace(getMethodName());
    String workspaceId = workspaceIdFromLocation(workspaceLocation);
    JSONObject project = createProjectOrLink(workspaceLocation, getMethodName(), null);
    IPath clonePath = getClonePath(workspaceId, project);
    JSONObject clone = clone(clonePath);
    String cloneLocation = clone.getString(ProtocolConstants.KEY_LOCATION);

    // get project metadata
    WebRequest request = getGetRequest(project.getString(ProtocolConstants.KEY_CONTENT_LOCATION));
    WebResponse response = webConversation.getResponse(request);
    assertEquals(HttpURLConnection.HTTP_OK, response.getResponseCode());
    project = new JSONObject(response.getText());

    JSONObject gitSection = project.getJSONObject(GitConstants.KEY_GIT);
    String gitRemoteUri = gitSection.getString(GitConstants.KEY_REMOTE);
    String gitHeadUri = gitSection.getString(GitConstants.KEY_HEAD);

    // get HEAD/*from w  w  w .j a v  a2  s  .co  m*/
    JSONArray commitsArray = log(gitHeadUri);
    String headSha1 = commitsArray.getJSONObject(0).getString(ProtocolConstants.KEY_NAME);

    // list remotes
    request = GitRemoteTest.getGetGitRemoteRequest(gitRemoteUri);
    response = webConversation.getResponse(request);
    assertEquals(HttpURLConnection.HTTP_OK, response.getResponseCode());
    JSONObject remotes = new JSONObject(response.getText());
    JSONArray remotesArray = remotes.getJSONArray(ProtocolConstants.KEY_CHILDREN);
    assertEquals(1, remotesArray.length());
    JSONObject remote = remotesArray.getJSONObject(0);
    assertNotNull(remote);
    assertEquals(Constants.DEFAULT_REMOTE_NAME, remote.getString(ProtocolConstants.KEY_NAME));
    String remoteLocation = remote.getString(ProtocolConstants.KEY_LOCATION);
    assertNotNull(remoteLocation);

    // get remote details
    JSONObject details = getRemoteBranch(gitRemoteUri, 1, 0, Constants.MASTER);
    String refId = details.getString(ProtocolConstants.KEY_ID);

    // pull
    pull(cloneLocation);

    // get remote details again
    String newRefId = getRemoteBranch(gitRemoteUri, 1, 0, Constants.MASTER).getString(ProtocolConstants.KEY_ID);
    // up to date
    assertEquals(refId, newRefId);

    // get the current branch
    request = getGetRequest(gitHeadUri);
    response = webConversation.getResponse(request);
    ServerStatus status = waitForTask(response);
    assertTrue(status.toString(), status.isOK());
    JSONObject newHead = status.getJsonData();
    String newHeadSha1 = newHead.getJSONArray(ProtocolConstants.KEY_CHILDREN).getJSONObject(0)
            .getString(ProtocolConstants.KEY_NAME);
    assertEquals(headSha1, newHeadSha1);
}

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From source file:com.example.android.sunshine.data.FetchWeatherTask.java

/**
 * Take the String representing the complete forecast in JSON Format and
 * pull out the data we need to construct the Strings needed for the wireframes.
 *
 * Fortunately parsing is easy:  constructor takes the JSON string and converts it
 * into an Object hierarchy for us./*  w  ww .  ja v a 2 s.  c o  m*/
 */
private String[] getWeatherDataFromJson(String forecastJsonStr, String locationSetting) throws JSONException {

    // Now we have a String representing the complete forecast in JSON Format.
    // Fortunately parsing is easy:  constructor takes the JSON string and converts it
    // into an Object hierarchy for us.

    // These are the names of the JSON objects that need to be extracted.

    // Location information
    final String OWM_CITY = "city";
    final String OWM_CITY_NAME = "name";
    final String OWM_COORD = "coord";

    // Location coordinate
    final String OWM_LATITUDE = "lat";
    final String OWM_LONGITUDE = "lon";

    // Weather information.  Each day's forecast info is an element of the "list" array.
    final String OWM_LIST = "list";

    final String OWM_PRESSURE = "pressure";
    final String OWM_HUMIDITY = "humidity";
    final String OWM_WINDSPEED = "speed";
    final String OWM_WIND_DIRECTION = "deg";

    // All temperatures are children of the "temp" object.
    final String OWM_TEMPERATURE = "temp";
    final String OWM_MAX = "max";
    final String OWM_MIN = "min";

    final String OWM_WEATHER = "weather";
    final String OWM_DESCRIPTION = "main";
    final String OWM_WEATHER_ID = "id";

    try {
        JSONObject forecastJson = new JSONObject(forecastJsonStr);
        JSONArray weatherArray = forecastJson.getJSONArray(OWM_LIST);

        JSONObject cityJson = forecastJson.getJSONObject(OWM_CITY);
        String cityName = cityJson.getString(OWM_CITY_NAME);

        JSONObject cityCoord = cityJson.getJSONObject(OWM_COORD);
        double cityLatitude = cityCoord.getDouble(OWM_LATITUDE);
        double cityLongitude = cityCoord.getDouble(OWM_LONGITUDE);

        long locationId = addLocation(locationSetting, cityName, cityLatitude, cityLongitude);

        // Insert the new weather information into the database
        Vector<ContentValues> cVVector = new Vector<ContentValues>(weatherArray.length());

        // OWM returns daily forecasts based upon the local time of the city that is being
        // asked for, which means that we need to know the GMT offset to translate this data
        // properly.

        // Since this data is also sent in-order and the first day is always the
        // current day, we're going to take advantage of that to get a nice
        // normalized UTC date for all of our weather.

        Time dayTime = new Time();
        dayTime.setToNow();

        // we start at the day returned by local time. Otherwise this is a mess.
        int julianStartDay = Time.getJulianDay(System.currentTimeMillis(), dayTime.gmtoff);

        // now we work exclusively in UTC
        dayTime = new Time();

        for (int i = 0; i < weatherArray.length(); i++) {
            // These are the values that will be collected.
            long dateTime;
            double pressure;
            int humidity;
            double windSpeed;
            double windDirection;

            double high;
            double low;

            String description;
            int weatherId;

            // Get the JSON object representing the day
            JSONObject dayForecast = weatherArray.getJSONObject(i);

            // Cheating to convert this to UTC time, which is what we want anyhow
            dateTime = dayTime.setJulianDay(julianStartDay + i);

            pressure = dayForecast.getDouble(OWM_PRESSURE);
            humidity = dayForecast.getInt(OWM_HUMIDITY);
            windSpeed = dayForecast.getDouble(OWM_WINDSPEED);
            windDirection = dayForecast.getDouble(OWM_WIND_DIRECTION);

            // Description is in a child array called "weather", which is 1 element long.
            // That element also contains a weather code.
            JSONObject weatherObject = dayForecast.getJSONArray(OWM_WEATHER).getJSONObject(0);
            description = weatherObject.getString(OWM_DESCRIPTION);
            weatherId = weatherObject.getInt(OWM_WEATHER_ID);

            // Temperatures are in a child object called "temp".  Try not to name variables
            // "temp" when working with temperature.  It confuses everybody.
            JSONObject temperatureObject = dayForecast.getJSONObject(OWM_TEMPERATURE);
            high = temperatureObject.getDouble(OWM_MAX);
            low = temperatureObject.getDouble(OWM_MIN);

            ContentValues weatherValues = new ContentValues();

            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_LOC_KEY, locationId);
            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_DATE, dateTime);
            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_HUMIDITY, humidity);
            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_PRESSURE, pressure);
            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_WIND_SPEED, windSpeed);
            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_DEGREES, windDirection);
            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_MAX_TEMP, high);
            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_MIN_TEMP, low);
            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_SHORT_DESC, description);
            weatherValues.put(WeatherContract.WeatherEntry.COLUMN_WEATHER_ID, weatherId);

            cVVector.add(weatherValues);
        }

        // add to database
        if (cVVector.size() > 0) {
            // Student: call bulkInsert to add the weatherEntries to the database here
        }

        // Sort order:  Ascending, by date.
        String sortOrder = WeatherContract.WeatherEntry.COLUMN_DATE + " ASC";
        Uri weatherForLocationUri = WeatherContract.WeatherEntry
                .buildWeatherLocationWithStartDate(locationSetting, System.currentTimeMillis());

        // Students: Uncomment the next lines to display what what you stored in the bulkInsert

        //            Cursor cur = mContext.getContentResolver().query(weatherForLocationUri,
        //                    null, null, null, sortOrder);
        //
        //            cVVector = new Vector<ContentValues>(cur.getCount());
        //            if ( cur.moveToFirst() ) {
        //                do {
        //                    ContentValues cv = new ContentValues();
        //                    DatabaseUtils.cursorRowToContentValues(cur, cv);
        //                    cVVector.add(cv);
        //                } while (cur.moveToNext());
        //            }

        Log.d(LOG_TAG, "FetchWeatherTask Complete. " + cVVector.size() + " Inserted");

        String[] resultStrs = convertContentValuesToUXFormat(cVVector);
        return resultStrs;

    } catch (JSONException e) {
        Log.e(LOG_TAG, e.getMessage(), e);
        e.printStackTrace();
    }
    return null;
}

---

From source file:fr.bmartel.android.fadecandy.model.FadecandyColor.java

public FadecandyColor(JSONObject color) {

    try {//  w  w  w . ja  v a  2s  .c o  m
        if (color.has(Constants.CONFIG_GAMMA) && color.has(Constants.CONFIG_WHITEPOINT)) {
            mGamma = (float) color.getDouble(Constants.CONFIG_GAMMA);

            JSONArray whitepoints = color.getJSONArray(Constants.CONFIG_WHITEPOINT);

            for (int i = 0; i < whitepoints.length(); i++) {
                mWhitepoints.add((float) whitepoints.getDouble(i));
            }
        }
    } catch (JSONException e) {
        e.printStackTrace();
    }
}

---

From source file:org.jabsorb.ng.serializer.impl.SetSerializer.java

@Override
public ObjectMatch tryUnmarshall(final SerializerState state, final Class<?> clazz, final Object o)
        throws UnmarshallException {

    JSONArray jsonset;
    if (o instanceof JSONArray) {
        jsonset = (JSONArray) o;//from  ww w.ja v a  2s  .  c  o m

    } else if (o instanceof JSONObject) {
        final JSONObject jso = (JSONObject) o;
        String java_class;

        // Hint presence
        try {
            java_class = jso.getString("javaClass");
        } catch (final JSONException e) {
            throw new UnmarshallException("Could not read javaClass", e);
        }
        if (java_class == null) {
            throw new UnmarshallException("no type hint");
        }

        // Class compatibility check
        if (!classNameCheck(java_class)) {
            throw new UnmarshallException("not a Set");
        }

        // JSON Format check
        try {
            jsonset = jso.getJSONArray("set");
        } catch (final JSONException e) {
            throw new UnmarshallException("set missing", e);
        }
    } else {
        throw new UnmarshallException("Given object is not JSON object/array");
    }

    if (jsonset == null) {
        throw new UnmarshallException("set missing");
    }

    // Content check
    final ObjectMatch m = new ObjectMatch(-1);
    state.setSerialized(o, m);

    int idx = 0;
    try {
        for (idx = 0; idx < jsonset.length(); idx++) {
            m.setMismatch(ser.tryUnmarshall(state, null, jsonset.get(idx)).max(m).getMismatch());
        }

    } catch (final UnmarshallException e) {
        throw new UnmarshallException("index " + idx + " " + e.getMessage(), e);
    } catch (final JSONException e) {
        throw new UnmarshallException("index " + idx + " " + e.getMessage(), e);
    }
    return m;
}

---

From source file:org.jabsorb.ng.serializer.impl.SetSerializer.java

@Override
public Object unmarshall(final SerializerState state, final Class<?> clazz, final Object o)
        throws UnmarshallException {

    final JSONArray jsonset;
    final Set<Object> abset;
    if (o instanceof JSONArray) {
        jsonset = (JSONArray) o;//w ww. ja  v  a 2  s .co m
        abset = new LinkedHashSet<Object>();

    } else if (o instanceof JSONObject) {
        final JSONObject jso = (JSONObject) o;
        String java_class;

        // Hint check
        try {
            java_class = jso.getString("javaClass");
        } catch (final JSONException e) {
            throw new UnmarshallException("Could not read javaClass", e);
        }

        if (java_class == null) {
            throw new UnmarshallException("no type hint");
        }

        // Create the set
        if (java_class.equals("java.util.Set") || java_class.equals("java.util.AbstractSet")
                || java_class.equals("java.util.HashSet")) {
            abset = new HashSet<Object>();
        } else if (java_class.equals("java.util.TreeSet")) {
            abset = new TreeSet<Object>();
        } else if (java_class.equals("java.util.LinkedHashSet")) {
            abset = new LinkedHashSet<Object>();
        } else {
            throw new UnmarshallException("not a Set");
        }

        // Parse the JSON set
        try {
            jsonset = jso.getJSONArray("set");

        } catch (final JSONException e) {
            throw new UnmarshallException("set missing", e);
        }
    } else {
        throw new UnmarshallException("Given object is not JSON object/array");
    }

    if (jsonset == null) {
        throw new UnmarshallException("set missing");
    }

    state.setSerialized(o, abset);

    int idx = 0;
    try {
        for (idx = 0; idx < jsonset.length(); idx++) {
            abset.add(ser.unmarshall(state, null, jsonset.get(idx)));
        }
    } catch (final UnmarshallException e) {
        throw new UnmarshallException("index " + idx + " " + e.getMessage(), e);
    } catch (final JSONException e) {
        throw new UnmarshallException("index " + idx + " " + e.getMessage(), e);
    }
    return abset;
}

---

From source file:org.catnut.plugin.zhihu.ZhihuItemsFragment.java

private void refresh() {
    mRequestQueue.add(new CatnutArrayRequest(getActivity(),
            new CatnutAPI(Request.Method.GET, Zhihu.fetchUrl(1), false, null),
            Zhihu.ZhihuProcessor.getProcessor(), new Response.Listener<JSONArray>() {
                @Override//from w  w  w .ja v a 2 s .  com
                public void onResponse(JSONArray response) {
                    mCount = response.length();
                    getLoaderManager().restartLoader(0, null, ZhihuItemsFragment.this);
                    new Thread(mLoadTotalCount).start();
                }
            }, new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError error) {
                    Toast.makeText(getActivity(), error.getLocalizedMessage(), Toast.LENGTH_LONG).show();
                    setRefreshing(false);
                }
            }));
}

---

From source file:com.ichi2.anki2.DeckOptions.java

public static String getSteps(JSONArray a) {
    StringBuilder sb = new StringBuilder();
    try {//from   w ww.j a  v a 2s .co  m
        for (int i = 0; i < a.length(); i++) {
            sb.append(a.getString(i)).append(" ");
        }
    } catch (JSONException e) {
        throw new RuntimeException(e);
    }
    return sb.toString().trim();
}

---

From source file:jGW2API.util.event.Events.java

public Events(JSONObject json) {
    JSONArray e = json.getJSONArray("events");
    this.events = new HashMap();
    for (int i = 0; i < e.length(); i++) {
        Event tmp = new Event(e.getJSONObject(i));
        this.events.put(tmp.getEventID(), tmp);
    }// ww w .  j  av  a2  s  .  c om
}

---

From source file:org.eclipse.orion.server.tests.servlets.git.GitRevertTest.java

@Test
public void testRevert() throws Exception {
    URI workspaceLocation = createWorkspace(getMethodName());
    IPath[] clonePaths = createTestProjects(workspaceLocation);

    for (IPath clonePath : clonePaths) {
        // clone a  repo
        JSONObject clone = clone(clonePath);
        String cloneContentLocation = clone.getString(ProtocolConstants.KEY_CONTENT_LOCATION);

        // get project/folder metadata
        WebRequest request = getGetRequest(cloneContentLocation);
        WebResponse response = webConversation.getResponse(request);
        assertEquals(HttpURLConnection.HTTP_OK, response.getResponseCode());
        JSONObject folder = new JSONObject(response.getText());

        JSONObject gitSection = folder.getJSONObject(GitConstants.KEY_GIT);
        String gitHeadUri = gitSection.getString(GitConstants.KEY_HEAD);

        JSONObject testTxt = getChild(folder, "test.txt");
        modifyFile(testTxt, "first line\nsec. line\nthird line\n");

        addFile(testTxt);//  ww w  .j  a v a2 s  .  com

        commitFile(testTxt, "lines in test.txt", false);

        JSONArray commitsArray = log(gitHeadUri);
        assertEquals(2, commitsArray.length());
        JSONObject commit = commitsArray.getJSONObject(0);
        assertEquals("lines in test.txt", commit.get(GitConstants.KEY_COMMIT_MESSAGE));

        String toRevert = commit.getString(ProtocolConstants.KEY_NAME);

        // REVERT
        JSONObject revert = revert(gitHeadUri, toRevert);
        assertEquals("OK", revert.getString(GitConstants.KEY_RESULT));

        // new revert commit is present
        commitsArray = log(gitHeadUri);
        assertEquals(3, commitsArray.length());
        commit = commitsArray.getJSONObject(0);

        String revertMessage = commit.optString(GitConstants.KEY_COMMIT_MESSAGE);
        assertEquals(true, revertMessage != null);
        assertEquals(true, revertMessage.startsWith("Revert \"lines in test.txt\""));
    }
}

---

From source file:org.eclipse.orion.server.tests.servlets.git.GitRevertTest.java

@Test
public void testRevertFailure() throws Exception {
    URI workspaceLocation = createWorkspace(getMethodName());
    IPath[] clonePaths = createTestProjects(workspaceLocation);

    for (IPath clonePath : clonePaths) {
        // clone a  repo
        JSONObject clone = clone(clonePath);
        String cloneContentLocation = clone.getString(ProtocolConstants.KEY_CONTENT_LOCATION);

        // get project/folder metadata
        WebRequest request = getGetRequest(cloneContentLocation);
        WebResponse response = webConversation.getResponse(request);
        assertEquals(HttpURLConnection.HTTP_OK, response.getResponseCode());
        JSONObject folder = new JSONObject(response.getText());

        JSONObject gitSection = folder.getJSONObject(GitConstants.KEY_GIT);
        String gitHeadUri = gitSection.getString(GitConstants.KEY_HEAD);

        JSONObject testTxt = getChild(folder, "test.txt");
        modifyFile(testTxt, "first line\nsec. line\nthird line\n");

        addFile(testTxt);//from   w w w  .j ava  2 s .  c  o m

        commitFile(testTxt, "lines in test.txt", false);

        JSONArray commitsArray = log(gitHeadUri);
        assertEquals(2, commitsArray.length());
        JSONObject commit = commitsArray.getJSONObject(0);
        assertEquals("lines in test.txt", commit.get(GitConstants.KEY_COMMIT_MESSAGE));

        String toRevert = commit.getString(ProtocolConstants.KEY_NAME);
        modifyFile(testTxt, "first line\nsec. line\nthird line\nfourth line\n");
        addFile(testTxt);

        // REVERT
        JSONObject revert = revert(gitHeadUri, toRevert);
        assertEquals("FAILURE", revert.getString(GitConstants.KEY_RESULT));

        // there's no new revert commit
        commitsArray = log(gitHeadUri);
        assertEquals(2, commitsArray.length());
        commit = commitsArray.getJSONObject(0);

        String revertMessage = commit.optString(GitConstants.KEY_COMMIT_MESSAGE);
        assertEquals(true, revertMessage != null);
        assertEquals(false, revertMessage.startsWith("Revert \"lines in test.txt\""));
    }
}

---

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