List of usage examples for com.google.gwt.json.client JSONValue isString
public JSONString isString()
From source file:com.data2semantics.yasgui.client.helpers.JsonHelper.java
License:Open Source License
/** * Gets string from json object/*from w w w.ja v a 2 s .c om*/ * * @param key * @return null if string is empty, or key is not found */ protected String getString(String key) { String result = null; if (containsKey(key)) { JSONValue resultValue = get(key); JSONString resultString = resultValue.isString(); if (resultString != null && resultString.stringValue().length() > 0) { result = resultString.stringValue(); } } return result; }
From source file:com.data2semantics.yasgui.client.tab.optionbar.endpoints.EndpointDataSource.java
License:Open Source License
private void addEndpointFromJson(JSONObject endpoint) throws Exception { ListGridRecord record = new ListGridRecord(); Set<String> keys = endpoint.keySet(); for (String key : keys) { JSONValue value = endpoint.get(key); if (value != null) { JSONString stringJsonVal = value.isString(); if (stringJsonVal != null) { record.setAttribute(key, stringJsonVal.stringValue()); }//from w w w . j a v a 2 s. c om } } records.add(record); }
From source file:com.data2semantics.yasgui.client.tab.results.input.JsonResults.java
License:Open Source License
/** * Gets JSON value as string, and throws exception when value is null * /*w ww . jav a2 s . co m*/ * @param jsonValue * @param message * @return * @throws SparqlParseException */ public String getAsString(JSONValue jsonValue) throws SparqlParseException { JSONString jsonString = jsonValue.isString(); if (jsonString == null) { throw new SparqlParseException("Cannot format value as string"); } return jsonString.stringValue(); }
From source file:com.dawg6.web.dhcalc.client.JsonUtil.java
License:Open Source License
public static Map<String, String> parseMap(JSONValue jsonValue) { JSONObject obj = jsonValue.isObject(); Map<String, String> map = new TreeMap<String, String>(); if (obj != null) { for (String key : obj.keySet()) { JSONValue value = obj.get(key); if (value != null) { JSONString str = value.isString(); if (str != null) { map.put(key, str.stringValue()); }/*from w ww . j a v a 2 s . c o m*/ } } } return map; }
From source file:com.dawg6.web.dhcalc.client.JsonUtil.java
License:Open Source License
public static Version parseVersion(JSONValue jsonValue) { JSONObject obj = jsonValue.isObject(); Version version = new Version(); if (obj != null) { JSONValue value = obj.get("version"); if (value != null) { JSONString str = value.isString(); if (str != null) { version.version = str.stringValue(); }/* w ww . j a v a 2 s . c o m*/ } } return version; }
From source file:com.dawg6.web.dhcalc.client.JsonUtil.java
License:Open Source License
public static <T extends Enum<T>> Set<T> parseSet(Class<T> clazz, String text) { if ((text == null) || (text.trim().length() == 0)) return null; Set<T> set = new TreeSet<T>(); JSONValue value = JSONParser.parseLenient(text); JSONArray array = value.isArray();/*from ww w. j a va 2s . co m*/ if (array == null) return null; for (int i = 0; i < array.size(); i++) { JSONValue e = array.get(i); if (e != null) { JSONString str = e.isString(); if (str != null) { String name = str.stringValue(); if (name != null) { T elem = Enum.valueOf(clazz, name); if (elem != null) { set.add(elem); } } } } } return set; }
From source file:com.dimdim.ui.common.client.data.SelectListOption.java
License:Open Source License
private String getProperty(String propName) { JSONValue v = jsonObject.get(propName); if (v != null) { JSONString s = v.isString(); if (s != null) { return s.stringValue(); }/*from w w w.j av a 2 s.c om*/ } return ""; }
From source file:com.eduworks.gwt.client.net.packet.AjaxPacket.java
License:Apache License
public String getString(String key) { JSONValue jv; try {//from w w w. j a v a 2s. com jv = super.get(key); } catch (NullPointerException e) { return null; } if (jv != null && jv.isString() != null) return jv.isString().stringValue(); return null; }
From source file:com.emitrom.lienzo.client.core.shape.json.JSONDeserializer.java
License:Open Source License
/** * Creates a IJSONSerializable from the JSONObject, using the ValidationContext. * <p>// w w w. j a v a 2s . c om * You should only call this when you're writing your own node class * and you're building a custom {@link IFactory}. * * @param json JSONObject * @param ctx ValidationContext * @return IJSONSerializable * @throws ValidationException */ public final IJSONSerializable<?> fromJSON(JSONObject json, ValidationContext ctx) throws ValidationException { if (null == json) { return null; } String type = null; IFactory<?> factory = null; JSONValue tval = json.get("type"); ctx.push("type"); if (null == tval) { ctx.addRequiredError(); } else { JSONString styp = tval.isString(); if (null == styp) { ctx.addBadTypeError("String"); } else { type = styp.stringValue(); factory = FactoryRegistry.getInstance().getFactory(type); if (null == factory) { ctx.addMissingNodeFactoryError(type); } } } ctx.pop(); // type if (null == factory) { return null; } else { if (ctx.isValidate()) { // we don't need to validate during a copy operation! validateAttributes(json, factory, type, ctx); } if (factory instanceof PostProcessNodeFactory) { IJSONSerializable<?> node = factory.create(json, ctx); if (null != node) { ((PostProcessNodeFactory) factory).process(node); } return node; } else { return factory.create(json, ctx); } } }
From source file:com.extjs.gxt.ui.client.data.JsonReader.java
License:sencha.com license
@SuppressWarnings({ "unchecked", "rawtypes" })
public D read(Object loadConfig, Object data) {
JSONObject jsonRoot = null;/*w ww . j a v a 2 s. c o m*/
if (data instanceof JavaScriptObject) {
jsonRoot = new JSONObject((JavaScriptObject) data);
} else {
jsonRoot = (JSONObject) JSONParser.parse((String) data);
}
JSONArray root = (JSONArray) jsonRoot.get(modelType.getRoot());
int size = root.size();
ArrayList<ModelData> models = new ArrayList<ModelData>();
for (int i = 0; i < size; i++) {
JSONObject obj = (JSONObject) root.get(i);
ModelData model = newModelInstance();
for (int j = 0; j < modelType.getFieldCount(); j++) {
DataField field = modelType.getField(j);
String name = field.getName();
Class type = field.getType();
String map = field.getMap() != null ? field.getMap() : field.getName();
JSONValue value = obj.get(map);
if (value == null)
continue;
if (value.isArray() != null) {
// nothing
} else if (value.isBoolean() != null) {
model.set(name, value.isBoolean().booleanValue());
} else if (value.isNumber() != null) {
if (type != null) {
Double d = value.isNumber().doubleValue();
if (type.equals(Integer.class)) {
model.set(name, d.intValue());
} else if (type.equals(Long.class)) {
model.set(name, d.longValue());
} else if (type.equals(Float.class)) {
model.set(name, d.floatValue());
} else {
model.set(name, d);
}
} else {
model.set(name, value.isNumber().doubleValue());
}
} else if (value.isObject() != null) {
// nothing
} else if (value.isString() != null) {
String s = value.isString().stringValue();
if (type != null) {
if (type.equals(Date.class)) {
if ("timestamp".equals(field.getFormat())) {
Date d = new Date(Long.parseLong(s) * 1000);
model.set(name, d);
} else {
DateTimeFormat format = DateTimeFormat.getFormat(field.getFormat());
Date d = format.parse(s);
model.set(name, d);
}
}
} else {
model.set(name, s);
}
} else if (value.isNull() != null) {
model.set(name, null);
}
}
models.add(model);
}
int totalCount = models.size();
if (modelType.getTotalName() != null) {
totalCount = getTotalCount(jsonRoot);
}
return (D) createReturnData(loadConfig, models, totalCount);
}