List of usage examples for org.json JSONObject getDouble
public double getDouble(String key) throws JSONException
From source file:com.github.mhendred.face4j.model.Point.java
static Point fromJson(JSONObject jObj) throws JSONException { if (jObj != null) { final Point p = new Point(); p.x = (float) jObj.getDouble("x"); p.y = (float) jObj.getDouble("y"); return p; }/*from w w w . j av a 2 s. c om*/ return null; }
From source file:com.mobile.system.db.abatis.AbatisService.java
/** * /*from w ww. j a va2 s . c o m*/ * @param jsonStr * JSON String * @param beanClass * Bean class * @param basePackage * Base package name which includes all Bean classes * @return Object Bean * @throws Exception */ @SuppressWarnings({ "rawtypes", "unchecked" }) public Object parse(String jsonStr, Class beanClass, String basePackage) throws Exception { Object obj = null; JSONObject jsonObj = new JSONObject(jsonStr); // Check bean object if (beanClass == null) { Log.d(TAG, "Bean class is null"); return null; } // Read Class member fields Field[] props = beanClass.getDeclaredFields(); if (props == null || props.length == 0) { Log.d(TAG, "Class" + beanClass.getName() + " has no fields"); return null; } // Create instance of this Bean class obj = beanClass.newInstance(); // Set value of each member variable of this object for (int i = 0; i < props.length; i++) { String fieldName = props[i].getName(); // Skip public and static fields if (props[i].getModifiers() == (Modifier.PUBLIC | Modifier.STATIC)) { continue; } // Date Type of Field Class type = props[i].getType(); String typeName = type.getName(); // Check for Custom type if (typeName.equals("int")) { Class[] parms = { type }; Method m = beanClass.getDeclaredMethod(getBeanMethodName(fieldName, 1), parms); m.setAccessible(true); // Set value try { m.invoke(obj, jsonObj.getInt(fieldName)); } catch (Exception ex) { Log.d(TAG, ex.getMessage()); } } else if (typeName.equals("long")) { Class[] parms = { type }; Method m = beanClass.getDeclaredMethod(getBeanMethodName(fieldName, 1), parms); m.setAccessible(true); // Set value try { m.invoke(obj, jsonObj.getLong(fieldName)); } catch (Exception ex) { Log.d(TAG, ex.getMessage()); } } else if (typeName.equals("java.lang.String")) { Class[] parms = { type }; Method m = beanClass.getDeclaredMethod(getBeanMethodName(fieldName, 1), parms); m.setAccessible(true); // Set value try { m.invoke(obj, jsonObj.getString(fieldName)); } catch (Exception ex) { Log.d(TAG, ex.getMessage()); } } else if (typeName.equals("double")) { Class[] parms = { type }; Method m = beanClass.getDeclaredMethod(getBeanMethodName(fieldName, 1), parms); m.setAccessible(true); // Set value try { m.invoke(obj, jsonObj.getDouble(fieldName)); } catch (Exception ex) { Log.d(TAG, ex.getMessage()); } } else if (typeName.equals("java.util.Date")) { // modify Class[] parms = { type }; Method m = beanClass.getDeclaredMethod(getBeanMethodName(fieldName, 1), parms); m.setAccessible(true); String dateString = jsonObj.getString(fieldName); dateString = dateString.replace(" KST", ""); SimpleDateFormat genderFormat = new SimpleDateFormat("EEE MMM dd HH:mm:ss yyyy", Locale.KOREA); // Set value try { Date afterDate = genderFormat.parse(dateString); m.invoke(obj, afterDate); } catch (Exception e) { Log.d(TAG, e.getMessage()); } } else if (type.getName().equals(List.class.getName()) || type.getName().equals(ArrayList.class.getName())) { // Find out the Generic String generic = props[i].getGenericType().toString(); if (generic.indexOf("<") != -1) { String genericType = generic.substring(generic.lastIndexOf("<") + 1, generic.lastIndexOf(">")); if (genericType != null) { JSONArray array = null; try { array = jsonObj.getJSONArray(fieldName); } catch (Exception ex) { Log.d(TAG, ex.getMessage()); array = null; } if (array == null) { continue; } ArrayList arrayList = new ArrayList(); for (int j = 0; j < array.length(); j++) { arrayList.add(parse(array.getJSONObject(j).toString(), Class.forName(genericType), basePackage)); } // Set value Class[] parms = { type }; Method m = beanClass.getDeclaredMethod(getBeanMethodName(fieldName, 1), parms); m.setAccessible(true); m.invoke(obj, arrayList); } } else { // No generic defined generic = null; } } else if (typeName.startsWith(basePackage)) { Class[] parms = { type }; Method m = beanClass.getDeclaredMethod(getBeanMethodName(fieldName, 1), parms); m.setAccessible(true); // Set value try { JSONObject customObj = jsonObj.getJSONObject(fieldName); if (customObj != null) { m.invoke(obj, parse(customObj.toString(), type, basePackage)); } } catch (JSONException ex) { Log.d(TAG, ex.getMessage()); } } else { // Skip Log.d(TAG, "Field " + fieldName + "#" + typeName + " is skip"); } } return obj; }
From source file:com.nginious.http.serialize.JsonSerializerTestCase.java
public void testJsonSerializer() throws Exception { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ssZ"); SerializableBean bean = new SerializableBean(); bean.setBooleanValue(true);// w ww . j a v a2 s.c om bean.setDoubleValue(0.451); bean.setFloatValue(1.34f); bean.setIntValue(3400100); bean.setLongValue(3400100200L); bean.setShortValue((short) 32767); bean.setStringValue("String"); bean.setDateValue(format.parse("2011-08-24T08:50:23+0200")); Date calDate = format.parse("2011-08-24T08:52:23+0200"); Calendar cal = Calendar.getInstance(); cal.setTime(calDate); bean.setCalendarValue(cal); bean.setObjectValue(TimeZone.getDefault()); InBean inBean = new InBean(); inBean.setFirst(true); inBean.setSecond(0.567d); inBean.setThird(0.342f); inBean.setFourth(100); inBean.setFifth(3400200100L); inBean.setSixth((short) 32767); inBean.setSeventh("String"); inBean.setEight(format.parse("2011-08-25T08:50:23+0200")); cal = Calendar.getInstance(); calDate = format.parse("2011-08-25T08:52:23+0200"); cal.setTime(calDate); inBean.setNinth(cal); bean.setBeanValue(inBean); List<InBean> beanList = new ArrayList<InBean>(); beanList.add(inBean); beanList.add(inBean); bean.setBeanListValue(beanList); List<String> stringList = new ArrayList<String>(); stringList.add("One"); stringList.add("Two"); stringList.add("Three"); bean.setStringListValue(stringList); ApplicationClassLoader classLoader = new ApplicationClassLoader( Thread.currentThread().getContextClassLoader()); SerializerFactoryImpl serializerFactory = new SerializerFactoryImpl(classLoader); Serializer<SerializableBean> serializer = serializerFactory.createSerializer(SerializableBean.class, "application/json"); assertEquals("application/json", serializer.getMimeType()); StringWriter strWriter = new StringWriter(); PrintWriter writer = new PrintWriter(strWriter); serializer.serialize(writer, bean); writer.flush(); JSONObject json = new JSONObject(strWriter.toString()); assertNotNull(json); assertTrue(json.has("serializableBean")); json = json.getJSONObject("serializableBean"); assertEquals(true, json.getBoolean("booleanValue")); assertEquals(0.451, json.getDouble("doubleValue")); assertEquals(1.34f, (float) json.getDouble("floatValue")); assertEquals(3400100, json.getInt("intValue")); assertEquals(3400100200L, json.getLong("longValue")); assertEquals(32767, (short) json.getInt("shortValue")); assertEquals("String", json.getString("stringValue")); assertEquals("2011-08-24T08:50:23+02:00", json.getString("dateValue")); assertEquals("2011-08-24T08:52:23+02:00", json.getString("calendarValue")); assertEquals(TimeZone.getDefault().toString(), json.getString("objectValue")); assertTrue(json.has("beanValue")); JSONObject inBeanJson = json.getJSONObject("beanValue"); assertTrue(inBeanJson.has("inBean")); inBeanJson = inBeanJson.getJSONObject("inBean"); assertEquals(true, inBeanJson.getBoolean("first")); assertEquals(0.567, inBeanJson.getDouble("second")); assertEquals(0.342f, (float) inBeanJson.getDouble("third")); assertEquals(100, inBeanJson.getInt("fourth")); assertEquals(3400200100L, inBeanJson.getLong("fifth")); assertEquals(32767, (short) inBeanJson.getInt("sixth")); assertEquals("String", inBeanJson.getString("seventh")); assertEquals("2011-08-25T08:50:23+02:00", inBeanJson.getString("eight")); assertEquals("2011-08-25T08:52:23+02:00", inBeanJson.getString("ninth")); assertTrue(json.has("stringListValue")); JSONArray stringListJson = json.getJSONArray("stringListValue"); assertEquals("One", stringListJson.get(0)); assertEquals("Two", stringListJson.get(1)); assertEquals("Three", stringListJson.get(2)); assertTrue(json.has("beanListValue")); JSONArray beanListJson = json.getJSONArray("beanListValue"); inBeanJson = beanListJson.getJSONObject(0); assertTrue(inBeanJson.has("inBean")); inBeanJson = inBeanJson.getJSONObject("inBean"); assertEquals(true, inBeanJson.getBoolean("first")); assertEquals(0.567, inBeanJson.getDouble("second")); assertEquals(0.342f, (float) inBeanJson.getDouble("third")); assertEquals(100, inBeanJson.getInt("fourth")); assertEquals(3400200100L, inBeanJson.getLong("fifth")); assertEquals(32767, (short) inBeanJson.getInt("sixth")); assertEquals("String", inBeanJson.getString("seventh")); assertEquals("2011-08-25T08:50:23+02:00", inBeanJson.getString("eight")); assertEquals("2011-08-25T08:52:23+02:00", inBeanJson.getString("ninth")); inBeanJson = beanListJson.getJSONObject(1); assertTrue(inBeanJson.has("inBean")); inBeanJson = inBeanJson.getJSONObject("inBean"); assertEquals(true, inBeanJson.getBoolean("first")); assertEquals(0.567, inBeanJson.getDouble("second")); assertEquals(0.342f, (float) inBeanJson.getDouble("third")); assertEquals(100, inBeanJson.getInt("fourth")); assertEquals(3400200100L, inBeanJson.getLong("fifth")); assertEquals(32767, (short) inBeanJson.getInt("sixth")); assertEquals("String", inBeanJson.getString("seventh")); assertEquals("2011-08-25T08:50:23+02:00", inBeanJson.getString("eight")); assertEquals("2011-08-25T08:52:23+02:00", inBeanJson.getString("ninth")); }
From source file:com.nginious.http.serialize.JsonSerializerTestCase.java
public void testNamedJsonSerializer() throws Exception { SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ssZ"); NamedBean bean = new NamedBean(); bean.setBooleanValue(true);/*from ww w. j a v a 2 s .c om*/ bean.setDoubleValue(0.451); bean.setFloatValue(1.34f); bean.setIntValue(3400100); bean.setLongValue(3400100200L); bean.setShortValue((short) 32767); bean.setStringValue("String"); bean.setDateValue(format.parse("2011-08-24T08:50:23+0200")); Date calDate = format.parse("2011-08-24T08:52:23+0200"); Calendar cal = Calendar.getInstance(); cal.setTime(calDate); bean.setCalendarValue(cal); bean.setObjectValue(TimeZone.getDefault()); InBean inBean = new InBean(); inBean.setFirst(true); inBean.setSecond(0.567d); inBean.setThird(0.342f); inBean.setFourth(100); inBean.setFifth(3400200100L); inBean.setSixth((short) 32767); inBean.setSeventh("String"); inBean.setEight(format.parse("2011-08-25T08:50:23+0200")); cal = Calendar.getInstance(); calDate = format.parse("2011-08-25T08:52:23+0200"); cal.setTime(calDate); inBean.setNinth(cal); bean.setBeanValue(inBean); List<InBean> beanList = new ArrayList<InBean>(); beanList.add(inBean); beanList.add(inBean); bean.setBeanListValue(beanList); List<String> stringList = new ArrayList<String>(); stringList.add("One"); stringList.add("Two"); stringList.add("Three"); bean.setStringListValue(stringList); ApplicationClassLoader classLoader = new ApplicationClassLoader( Thread.currentThread().getContextClassLoader()); SerializerFactoryImpl serializerFactory = new SerializerFactoryImpl(classLoader); Serializer<NamedBean> serializer = serializerFactory.createSerializer(NamedBean.class, "application/json"); assertEquals("application/json", serializer.getMimeType()); StringWriter strWriter = new StringWriter(); PrintWriter writer = new PrintWriter(strWriter); serializer.serialize(writer, bean); writer.flush(); JSONObject json = new JSONObject(strWriter.toString()); assertNotNull(json); assertTrue(json.has("testNamedBean")); json = json.getJSONObject("testNamedBean"); assertEquals(true, json.getBoolean("testBooleanValue")); assertEquals(0.451, json.getDouble("testDoubleValue")); assertEquals(1.34f, (float) json.getDouble("testFloatValue")); assertEquals(3400100, json.getInt("testIntValue")); assertEquals(3400100200L, json.getLong("testLongValue")); assertEquals(32767, (short) json.getInt("testShortValue")); assertEquals("String", json.getString("testStringValue")); assertEquals("2011-08-24T08:50:23+02:00", json.getString("testDateValue")); assertEquals("2011-08-24T08:52:23+02:00", json.getString("testCalendarValue")); assertEquals(TimeZone.getDefault().toString(), json.getString("testObjectValue")); assertTrue(json.has("testBeanValue")); JSONObject inBeanJson = json.getJSONObject("testBeanValue"); assertTrue(inBeanJson.has("inBean")); inBeanJson = inBeanJson.getJSONObject("inBean"); assertEquals(true, inBeanJson.getBoolean("first")); assertEquals(0.567, inBeanJson.getDouble("second")); assertEquals(0.342f, (float) inBeanJson.getDouble("third")); assertEquals(100, inBeanJson.getInt("fourth")); assertEquals(3400200100L, inBeanJson.getLong("fifth")); assertEquals(32767, (short) inBeanJson.getInt("sixth")); assertEquals("String", inBeanJson.getString("seventh")); assertEquals("2011-08-25T08:50:23+02:00", inBeanJson.getString("eight")); assertEquals("2011-08-25T08:52:23+02:00", inBeanJson.getString("ninth")); assertTrue(json.has("testStringListValue")); JSONArray stringListJson = json.getJSONArray("testStringListValue"); assertEquals("One", stringListJson.get(0)); assertEquals("Two", stringListJson.get(1)); assertEquals("Three", stringListJson.get(2)); assertTrue(json.has("testBeanListValue")); JSONArray beanListJson = json.getJSONArray("testBeanListValue"); inBeanJson = beanListJson.getJSONObject(0); assertTrue(inBeanJson.has("inBean")); inBeanJson = inBeanJson.getJSONObject("inBean"); assertEquals(true, inBeanJson.getBoolean("first")); assertEquals(0.567, inBeanJson.getDouble("second")); assertEquals(0.342f, (float) inBeanJson.getDouble("third")); assertEquals(100, inBeanJson.getInt("fourth")); assertEquals(3400200100L, inBeanJson.getLong("fifth")); assertEquals(32767, (short) inBeanJson.getInt("sixth")); assertEquals("String", inBeanJson.getString("seventh")); assertEquals("2011-08-25T08:50:23+02:00", inBeanJson.getString("eight")); assertEquals("2011-08-25T08:52:23+02:00", inBeanJson.getString("ninth")); inBeanJson = beanListJson.getJSONObject(1); assertTrue(inBeanJson.has("inBean")); inBeanJson = inBeanJson.getJSONObject("inBean"); assertEquals(true, inBeanJson.getBoolean("first")); assertEquals(0.567, inBeanJson.getDouble("second")); assertEquals(0.342f, (float) inBeanJson.getDouble("third")); assertEquals(100, inBeanJson.getInt("fourth")); assertEquals(3400200100L, inBeanJson.getLong("fifth")); assertEquals(32767, (short) inBeanJson.getInt("sixth")); assertEquals("String", inBeanJson.getString("seventh")); assertEquals("2011-08-25T08:50:23+02:00", inBeanJson.getString("eight")); assertEquals("2011-08-25T08:52:23+02:00", inBeanJson.getString("ninth")); }
From source file:com.nginious.http.serialize.JsonSerializerTestCase.java
public void testEmptyJsonSerializer() throws Exception { SerializableBean bean = new SerializableBean(); ApplicationClassLoader classLoader = new ApplicationClassLoader( Thread.currentThread().getContextClassLoader()); SerializerFactoryImpl serializerFactory = new SerializerFactoryImpl(classLoader); Serializer<SerializableBean> serializer = serializerFactory.createSerializer(SerializableBean.class, "application/json"); assertEquals("application/json", serializer.getMimeType()); StringWriter strWriter = new StringWriter(); PrintWriter writer = new PrintWriter(strWriter); serializer.serialize(writer, bean);/*w w w.jav a2 s .c om*/ writer.flush(); JSONObject json = new JSONObject(strWriter.toString()); assertNotNull(json); assertTrue(json.has("serializableBean")); json = json.getJSONObject("serializableBean"); assertEquals(false, json.getBoolean("booleanValue")); assertEquals(0.0d, json.getDouble("doubleValue")); assertEquals(0.0f, (float) json.getDouble("floatValue")); assertEquals(0, json.getInt("intValue")); assertEquals(0L, json.getLong("longValue")); assertEquals(0, (short) json.getInt("shortValue")); assertFalse(json.has("stringValue")); assertFalse(json.has("dateValue")); assertFalse(json.has("calendarValue")); assertFalse(json.has("objectValue")); }
From source file:fi.kinetik.android.currencies.spi.openexchange.OpenExchangeRatesSpi.java
private void parseRates(ArrayList<ContentProviderOperation> operations, JSONObject jsonObj) throws JSONException { final long updated = jsonObj.getLong(Keys.TIMESTAMP); final String base = jsonObj.getString(Keys.BASE); final JSONObject rates = jsonObj.getJSONObject(Keys.RATES); final Iterator iter = rates.keys(); while (iter.hasNext()) { final String currency = (String) iter.next(); final double rate = rates.getDouble(currency); operations.add(ConversionRate.newUpdateOperation(currency, OpenExchangeRatesSpiFactory.PROVIDER_NAME, updated, rate));//from www . j a v a2 s . c o m } }
From source file:edu.msu.walajahi.sunshine.app.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 w w. j av a2 s. co m*/ */ private void 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(WeatherEntry.COLUMN_LOC_KEY, locationId); weatherValues.put(WeatherEntry.COLUMN_DATE, dateTime); weatherValues.put(WeatherEntry.COLUMN_HUMIDITY, humidity); weatherValues.put(WeatherEntry.COLUMN_PRESSURE, pressure); weatherValues.put(WeatherEntry.COLUMN_WIND_SPEED, windSpeed); weatherValues.put(WeatherEntry.COLUMN_DEGREES, windDirection); weatherValues.put(WeatherEntry.COLUMN_MAX_TEMP, high); weatherValues.put(WeatherEntry.COLUMN_MIN_TEMP, low); weatherValues.put(WeatherEntry.COLUMN_SHORT_DESC, description); weatherValues.put(WeatherEntry.COLUMN_WEATHER_ID, weatherId); cVVector.add(weatherValues); } int inserted = 0; // add to database if (cVVector.size() > 0) { // Student: call bulkInsert to add the weatherEntries to the database here ContentValues[] cvArray = new ContentValues[cVVector.size()]; cVVector.toArray(cvArray); inserted = mContext.getContentResolver().bulkInsert(WeatherEntry.CONTENT_URI, cvArray); } Log.d(LOG_TAG, "FetchWeatherTask Complete. " + inserted + " Inserted"); } catch (JSONException e) { Log.e(LOG_TAG, e.getMessage(), e); e.printStackTrace(); } }
From source file:ru.neverdark.phototools.utils.Geocoder.java
/** * Gets coordinate from location name//from w ww . ja v a 2 s . c o m * * @param searchString * user specify location name * @return coordinates for founded location or null if not found */ public LatLng getFromLocation(String searchString) { LatLng coords = null; String locationInfo = getLocationInfo(searchString); if (locationInfo.length() > 0) { try { JSONObject jsonObject = new JSONObject(locationInfo); JSONArray jsonArray = (JSONArray) jsonObject.get("results"); JSONObject jsonLocation = jsonArray.getJSONObject(0).getJSONObject("geometry") .getJSONObject("location"); Double longitude = jsonLocation.getDouble("lng"); Double latitude = jsonLocation.getDouble("lat"); coords = new LatLng(latitude, longitude); } catch (JSONException e) { e.printStackTrace(); } } return coords; }
From source file:com.extremeboredom.wordattack.utils.JSONUtils.java
/** * get Double from jsonObject/*from w w w . j av a 2s. co m*/ * * @param jsonObject * @param key * @param defaultValue * @return <ul> * <li>if jsonObject is null, return defaultValue</li> * <li>if key is null or empty, return defaultValue</li> * <li>if {@link JSONObject#getDouble(String)} exception, return defaultValue</li> * <li>return {@link JSONObject#getDouble(String)}</li> * </ul> */ public static Double getDouble(JSONObject jsonObject, String key, Double defaultValue) { if (jsonObject == null || StringUtils.isEmpty(key)) { return defaultValue; } try { return jsonObject.getDouble(key); } catch (JSONException e) { if (isPrintException) { e.printStackTrace(); } return defaultValue; } }
From source file:com.ibm.iot.auto.bluemix.samples.ui.InputData.java
public List<CarProbe> getCarProbes() throws IOException, JSONException { List<CarProbe> carProbes = new ArrayList<CarProbe>(); FileReader fileReader = null; try {/*from www. j a v a 2s . co m*/ fileReader = new FileReader(inputFile); JSONTokener jsonTokener = new JSONTokener(fileReader); JSONArray cars = new JSONArray(jsonTokener); for (int i = 0; i < cars.length(); i++) { JSONObject car = cars.getJSONObject(i); CarProbe carProbe = new CarProbe(car.getString("trip_id"), car.getString("timestamp"), car.getDouble("heading"), car.getDouble("speed"), car.getDouble("longitude"), car.getDouble("latitude")); carProbes.add(carProbe); } } finally { if (fileReader != null) { fileReader.close(); } } Collections.sort(carProbes); return carProbes; }