private static void unwrap(final List<MarshalledMessage> messages, final JSONArray val) {
for (int i = 0; i < val.size(); i++) {
final JSONValue v = val.get(i);
if (v.isArray() != null) {
unwrap(messages, v.isArray());
} else {
messages.add(new MarshalledMessageImpl((JSONObject) v));
}
}
}
static JSONArray asArray(JSONValue value) {
JSONArray array = value.isArray();
if (array == null) {
throw new DecodingException("Expected a json array, but was given: " + value);
}
return array;
}
@Override
protected void onInit(final JSONValue data) {
try {
final JSONArray criteria = data.isArray();
this.criteria.clear();
for (int i = 0; i < criteria.size(); i++) {
final JSONObject searchTypeJSON = criteria.get(i).isObject();
final Map<String, Criterion> searchType = new LinkedHashMap<String, Criterion>();
for (int j = 0; j < searchTypeJSON.get("elements").isArray().size(); j++) {
final Criterion criterion = Criterion.readMe(j, searchTypeJSON);
if (j == 0
&& (selectedCriterion == null && i == 0
|| selectedCriterion != null
&& criterion.displaytype.equalsIgnoreCase(selectedCriterion.displaytype))) {
selectedCriterion = criterion;
selectedCriterionHistory.put(selectedCriterion.displaytype, selectedCriterion);
}
searchType.put(criterion.getName(), criterion);
}
this.criteria.put(
searchTypeJSON.get("displaytype").isString().stringValue().trim(), searchType);
}
} catch (final Exception e) {
getLogger().severe(getClass().getName().replace("Impl", "") + ".onInit() : " + e);
}
}
public static List<MarshalledMessage> decodePayload(final String value) {
if (value == null || value.trim().length() == 0) return Collections.emptyList();
/**
* We have to do a two-stage decoding of the message. We cannot fully decode the message here,
* as we cannot be sure the destination endpoint exists within this Errai bundle. So we extract
* the ToSubject field and send the unparsed JSON object onwards.
*/
JSONValue val = null;
try {
val = JSONParser.parseStrict(value);
} catch (ClassCastException e) {
if (!GWT.isProdMode()) {
System.out.println("*** working around devmode bug ***");
val = JSONParser.parseStrict(value);
}
}
if (val == null) {
return Collections.emptyList();
}
final JSONArray arr = val.isArray();
if (arr == null) {
throw new RuntimeException("unrecognized payload" + val.toString());
}
final ArrayList<MarshalledMessage> list = new ArrayList<MarshalledMessage>();
unwrap(list, arr);
return list;
}
public static <KeyType, ValueType> Map<KeyType, ValueType> toMap(
JSONValue value,
AbstractJsonEncoderDecoder<KeyType> keyEncoder,
AbstractJsonEncoderDecoder<ValueType> valueEncoder,
Style style) {
if (value == null || value.isNull() != null) {
return null;
}
switch (style) {
case DEFAULT:
case SIMPLE:
{
JSONObject object = value.isObject();
if (object == null) {
throw new DecodingException("Expected a json object, but was given: " + value);
}
HashMap<KeyType, ValueType> rc = new HashMap<KeyType, ValueType>(object.size() * 2);
for (String key : object.keySet()) {
rc.put(keyEncoder.decode(key), valueEncoder.decode(object.get(key)));
}
return rc;
}
case JETTISON_NATURAL:
{
JSONObject object = value.isObject();
if (object == null) {
throw new DecodingException("Expected a json object, but was given: " + value);
}
value = object.get("entry");
if (value == null) {
throw new DecodingException("Expected an entry array not found");
}
JSONArray entries = value.isArray();
if (entries == null) {
throw new DecodingException("Expected an entry array, but was given: " + value);
}
HashMap<KeyType, ValueType> rc = new HashMap<KeyType, ValueType>(object.size() * 2);
for (int i = 0; i < entries.size(); i++) {
JSONObject entry = entries.get(i).isObject();
if (entry == null)
throw new DecodingException("Expected an entry object, but was given: " + value);
JSONValue key = entry.get("key");
if (key == null) throw new DecodingException("Expected an entry key field not found");
JSONString k = key.isString();
if (k == null)
throw new DecodingException(
"Expected an entry key to be a string, but was given: " + value);
rc.put(keyEncoder.decode(k.stringValue()), valueEncoder.decode(entry.get("value")));
}
return rc;
}
default:
throw new UnsupportedOperationException(
"The encoding style is not yet supported: " + style.name());
}
}
public static JSONArray parseJSONArray(String jsonText) {
if (jsonText != null && 0 < jsonText.length()) {
JSONValue jsonValue = JSONParser.parse(jsonText);
if (jsonValue != null) {
return jsonValue.isArray();
}
}
return null;
}
/**
* 静态函数：根据输入的Json字符串，解析成一个完整的菜单树
*
* @param menuStr Json字符串
* @return 菜单树形根节点
*/
public static GWTMenu GetMenuList(String menuStr) {
// 解析菜单
JSONValue obj1 = JSONParser.parse(menuStr);
JSONArray menuList = obj1.isArray();
GWTMenu menu = new GWTMenu();
for (int i = 0; i < menuList.size(); i++) {
AddGWTMenu(menu, menuList.get(i));
}
return menu;
}
/**
* @param jsonObj
* @param key
* @return
*/
public static JSONArray getArray(final JSONObject jsonObj, final String key) {
JSONArray ret = null; // assume failure
if (jsonObj != null && key != null) {
JSONValue val = jsonObj.get(key);
if (val != null) {
ret = val.isArray();
}
}
return ret;
}
private void addProperties(Response response) {
GWT.log(response.getText(), null);
try {
// parse the response text into JSON
JSONValue jsonValue = JSONParser.parse(response.getText());
JSONArray jsonArray = jsonValue.isArray();
if (jsonArray != null) {
for (int index = 0; index < jsonArray.size(); index++) {
addProperty(((JSONObject) jsonArray.get(index)), index);
}
} else {
throw new JSONException("Invalid Json structure when retrieve the Sling nodes");
}
} catch (JSONException e) {
e.printStackTrace();
GWT.log("ResourceGrids - Could not parse JSON", e);
}
}
public static JSONArray jsonValueToArray(JSONValue jsonValue) {
if (jsonValue != null) {
return jsonValue.isArray();
}
return null;
}
// This method assumes that the JSON value being passed is a JSON
// non-primitive:
// either an object or an array.
// This helps to make this implementation as efficient as possible.
protected String jsonNonPrimitiveToPrettyString(JSONValue jsonValue, int indentLevel) {
StringBuffer buffer = new StringBuffer();
// If the value in question is an object
JSONObject jsonValueObject = jsonValue.isObject();
if (jsonValueObject != null) {
boolean firstKey = true;
for (String key : jsonValueObject.keySet()) {
if (firstKey) {
firstKey = false;
} else {
buffer.append(",\n");
}
for (int k = 0; k < indentLevel; ++k) {
buffer.append(" ");
}
buffer.append(key).append(" : ");
JSONValue jsonObjectValue = jsonValueObject.get(key);
if (jsonObjectValue != null) {
if (jsonObjectValue.isObject() != null) {
buffer
.append("{\n")
.append(jsonNonPrimitiveToPrettyString(jsonObjectValue, indentLevel + 1))
.append("}");
} else if (jsonObjectValue.isArray() != null) {
buffer
.append("[\n")
.append(jsonNonPrimitiveToPrettyString(jsonObjectValue, indentLevel + 1))
.append("]");
} else {
// If the object value is a primitive, just prints it,
// there is no need for a recursive call!
buffer.append(jsonObjectValue.toString());
}
}
}
} else if (jsonValue.isArray() != null) {
// If the value in question is an array
JSONArray jsonValueArray = jsonValue.isArray();
for (int i = 0; i < jsonValueArray.size(); ++i) {
if (0 < i) {
buffer.append(",\n");
}
for (int k = 0; k < indentLevel; ++k) {
buffer.append(" ");
}
JSONValue jsonArrayValue = jsonValueArray.get(i);
if (jsonArrayValue != null) {
if (jsonArrayValue.isObject() != null) {
buffer
.append("{\n")
.append(jsonNonPrimitiveToPrettyString(jsonArrayValue, indentLevel + 1))
.append("}");
} else if (jsonArrayValue.isArray() != null) {
buffer
.append("[\n")
.append(jsonNonPrimitiveToPrettyString(jsonArrayValue, indentLevel + 1))
.append("]");
} else {
// If the object value is a primitive, just prints it,
// there is no need for a recursive call!
buffer.append(jsonArrayValue.toString());
}
}
}
}
return buffer.toString();
}
