Example usage for com.google.gwt.json.client JSONValue isArray

Introduction

In this page you can find the example usage for com.google.gwt.json.client JSONValue isArray.

Prototype

public JSONArray isArray() 

Source Link

Document

Returns a non-null reference if this JSONValue is really a JSONArray.

Usage

From source file:org.jboss.errai.enterprise.client.jaxrs.JacksonTransformer.java

License:Apache License

/**
 * The transformation from Jackson's JSON to Errai JSON contains the following steps:
 * <ul>//from   ww  w. jav  a 2  s. c om
 * <li>Recursively add an incremented OBJECT_ID to every JSON object</li>
 * <li>If a number is encountered, wrap it in a new JSON object with an OBJECT_ID and
 * NUMERIC_VALUE property</li>
 * <li>If an array is encountered, wrap it in a new JSON object with an OBJECT_ID and
 * QUALIFIED_VALUE property</li>
 * </ul>
 * 
 * @param val
 *          the JSON value to transform
 * @param key
 *          the key of the JSON value to transform
 * @param parent
 *          the parent object of the current value
 * @param objectId
 *          last used object id
 * @return modified JSON value
 */
private static JSONValue fromJackson(JSONValue val, String key, JSONObject parent, int[] objectId) {
    JSONObject obj;
    JSONNumber num;
    JSONArray arr;

    if ((obj = val.isObject()) != null) {
        obj.put(OBJECT_ID, new JSONString(new Integer(++objectId[0]).toString()));

        for (String k : obj.keySet()) {
            fromJackson(obj.get(k), k, obj, objectId);
        }
    } else if ((num = val.isNumber()) != null) {
        JSONObject numObject = new JSONObject();
        numObject.put(OBJECT_ID, new JSONString(new Integer(++objectId[0]).toString()));
        numObject.put(NUMERIC_VALUE, num);
        if (parent != null) {
            parent.put(key, numObject);
        } else {
            val = numObject;
        }
    } else if ((arr = val.isArray()) != null) {
        JSONObject arrayObject = new JSONObject();
        arrayObject.put(OBJECT_ID, new JSONString(new Integer(++objectId[0]).toString()));
        arrayObject.put(QUALIFIED_VALUE, arr);
        if (parent != null) {
            parent.put(key, arrayObject);
        } else {
            val = arrayObject;
        }

        for (int i = 0; i < arr.size(); i++) {
            arr.set(i, fromJackson(arr.get(i), QUALIFIED_VALUE, null, objectId));
        }
    }

    return val;
}

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From source file:org.jboss.errai.jpa.client.local.ErraiIdentifiableType.java

License:Apache License

/**
 * Converts the given JSONValue, which represents an instance of this entity
 * type, into the actual instance of this entity type that exists in the given
 * EntityManager's persistence context. References to other entities are
 * recursively retrieved from the EntityManager.
 *
 * @param em/*from  ww w .j  a v  a 2 s .  c  o m*/
 *          The EntityManager that owns this entity type and houses the
 *          persistence context.
 * @param jsonValue
 *          A value that represents an instance of this entity type.
 * @return A managed entity that is in the given EntityManager's persistence
 *         context.
 */
@Override
public X fromJson(EntityManager em, JSONValue jsonValue) {
    final ErraiEntityManager eem = (ErraiEntityManager) em;

    Key<X, ?> key = keyFromJson(jsonValue);

    X entity = eem.getPartiallyConstructedEntity(key);
    if (entity != null) {
        return entity;
    }

    entity = newInstance();
    try {
        eem.putPartiallyConstructedEntity(key, entity);
        for (Attribute<? super X, ?> a : getAttributes()) {
            ErraiAttribute<? super X, ?> attr = (ErraiAttribute<? super X, ?>) a;
            JSONValue attrJsonValue = jsonValue.isObject().get(attr.getName());

            // this attribute did not exist when the entity was originally persisted; skip it.
            if (attrJsonValue == null)
                continue;

            switch (attr.getPersistentAttributeType()) {
            case ELEMENT_COLLECTION:
            case EMBEDDED:
            case BASIC:
                parseInlineJson(entity, attr, attrJsonValue, eem);
                break;

            case MANY_TO_MANY:
            case MANY_TO_ONE:
            case ONE_TO_MANY:
            case ONE_TO_ONE:
                if (attr instanceof ErraiSingularAttribute) {
                    parseSingularJsonReference(entity, (ErraiSingularAttribute<? super X, ?>) attr,
                            attrJsonValue, eem);
                } else if (attr instanceof ErraiPluralAttribute) {
                    parsePluralJsonReference(entity, (ErraiPluralAttribute<? super X, ?, ?>) attr,
                            attrJsonValue.isArray(), eem);
                } else {
                    throw new PersistenceException("Unknown attribute type " + attr);
                }
            }
        }
        return entity;
    } finally {
        eem.removePartiallyConstructedEntity(key);
    }
}

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From source file:org.jboss.gwt.elemento.sample.common.TodoItemRepository.java

License:Open Source License

private LinkedHashMap<String, TodoItem> load() {
    LinkedHashMap<String, TodoItem> items = new LinkedHashMap<>();
    if (storage != null) {
        String json = storage.getItem(key);
        if (json != null) {
            JSONValue jsonValue = JSONParser.parseStrict(json);
            if (jsonValue != null) {
                JSONArray jsonArray = jsonValue.isArray();
                if (jsonArray != null) {
                    for (int i = 0; i < jsonArray.size(); i++) {
                        AutoBean<TodoItem> bean = AutoBeanCodex.decode(beanFactory, TodoItem.class,
                                jsonArray.get(i).toString());
                        TodoItem todoItem = bean.as();
                        items.put(todoItem.getId(), todoItem);
                    }//from   w  w  w .j a v a  2  s . c  o  m
                }
            }
        }
    }
    return items;
}

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From source file:org.jbpm.console.ng.df.client.filter.json.DataSetLookupJSONMarshaller.java

License:Apache License

public DataSetLookup fromJson(JSONObject json) {
    if (json == null)
        return null;
    DataSetLookup dataSetLookup = new DataSetLookup();

    dataSetLookup.setDataSetUUID(json.get(UUID) != null ? json.get(UUID).isString().stringValue() : null);
    dataSetLookup.setNumberOfRows(/*from  w  w w.j av  a 2 s  . co m*/
            json.get(ROWCOUNT) != null ? Integer.parseInt(json.get(ROWCOUNT).isString().stringValue(), 10)
                    : -1);
    dataSetLookup.setRowOffset(
            json.get(ROWOFFSET) != null ? Integer.parseInt(json.get(ROWOFFSET).isString().stringValue(), 10)
                    : 0);

    List<DataSetOp> dataSetOpList = dataSetLookup.getOperationList();

    Collection c = null;
    JSONValue array = json.get(FILTEROPS);

    if ((c = parseFilterOperations(array != null ? array.isArray() : null)) != null)
        dataSetOpList.addAll(c);

    if ((c = parseGroupOperations((array = json.get(GROUPOPS)) != null ? array.isArray() : null)) != null)
        dataSetOpList.addAll(c);

    if ((c = parseSortOperations((array = json.get(SORTOPS)) != null ? array.isArray() : null)) != null)
        dataSetOpList.addAll(c);

    return dataSetLookup;
}

---

From source file:org.jbpm.console.ng.df.client.filter.json.DataSetLookupJSONMarshaller.java

License:Apache License

private ColumnFilter parseColumnFilter(JSONObject columnFilterJson) {
    if (columnFilterJson == null)
        return null;

    String columnId = null;/*from  ww w.  j  a  v a2 s  .c om*/
    String functionType = null;

    JSONValue value = columnFilterJson.get(COLUMNID);
    if (checkNotNull(value, false, FiltersConstants.INSTANCE.json_datasetlookup_columnfilter_null_columnid())) {
        columnId = value.isString() != null ? value.isString().stringValue() : null;
    }

    value = columnFilterJson.get(FUNCTION_TYPE);
    if (checkNotNull(value, false,
            FiltersConstants.INSTANCE.json_datasetlookup_columnfilter_null_functiontype())) {
        functionType = value.isString() != null ? value.isString().stringValue() : null;
    }

    value = columnFilterJson.get(FUNCTION_TERMS);

    if (isCoreFilter(functionType)) {
        CoreFunctionFilter cff = new CoreFunctionFilter();
        cff.setColumnId(columnId);
        cff.setType(CoreFunctionType.getByName(functionType));

        if (checkNotNull(value, false,
                FiltersConstants.INSTANCE.json_datasetlookup_corefunction_null_params())) {
            cff.setParameters(parseCoreFunctionParameters(value.isArray()).toArray(new Comparable[] {}));
        }

        return cff;

    } else if (isLogicalFilter(functionType)) {
        LogicalExprFilter lef = new LogicalExprFilter();
        lef.setColumnId(columnId);
        lef.setLogicalOperator(LogicalExprType.getByName(functionType));

        if (checkNotNull(value, false, FiltersConstants.INSTANCE.json_datasetlookup_logexpr_null_params())) {
            // Logical expression terms are an an array of column filters
            lef.setLogicalTerms(parseColumnFilters(value.isArray()));
        }

        return lef;
    } else
        throw new RuntimeException(FiltersConstants.INSTANCE.json_datasetlookup_columnfilter_wrong_type());
}

---

From source file:org.jbpm.console.ng.df.client.filter.json.DataSetLookupJSONMarshaller.java

License:Apache License

private DataSetGroup parseDataSetGroup(JSONObject dataSetGroupJson) {
    if (dataSetGroupJson == null)
        return null;

    DataSetGroup dataSetGroup = new DataSetGroup();

    dataSetGroup.setColumnGroup(null);/* w ww.  ja v  a 2  s. c  o m*/
    JSONValue value = dataSetGroupJson.get(COLUMNGROUP);
    if (value != null)
        dataSetGroup.setColumnGroup(parseColumnGroup(value.isObject()));

    List<GroupFunction> groupFunctions = parseGroupFunctions(
            (value = dataSetGroupJson.get(GROUPFUNCTIONS)) != null ? value.isArray() : null);
    if (groupFunctions != null)
        dataSetGroup.getGroupFunctions().addAll(groupFunctions);

    dataSetGroup.setSelectedIntervalList(null);
    value = dataSetGroupJson.get(SELECTEDINTERVALS);
    if (value != null)
        dataSetGroup.setSelectedIntervalList(parseSelectedIntervals(value.isArray()));

    dataSetGroup.setJoin(false);
    value = dataSetGroupJson.get(JOIN);
    if (value != null)
        dataSetGroup.setJoin(Boolean.valueOf(value.isString().stringValue()));

    return dataSetGroup;
}

---

From source file:org.jbpm.console.ng.df.client.filter.json.DisplayerSettingsJSONMarshaller.java

License:Apache License

public DisplayerSettings fromJsonString(String jsonString) {
    DisplayerSettings ds = new DisplayerSettings();

    if (!StringUtils.isBlank(jsonString)) {

        JSONObject parseResult = JSONParser.parseStrict(jsonString).isObject();

        if (parseResult != null) {

            // UUID
            JSONValue uuidValue = parseResult.get(SETTINGS_UUID);
            ds.setUUID(uuidValue != null && uuidValue.isString() != null ? uuidValue.isString().stringValue()
                    : null);/*  w  w w. j a va 2 s  .co m*/

            // First look if a dataset 'on-the-fly' has been specified
            JSONValue data = parseResult.get(DATASET_PREFIX);
            if (data != null) {
                DataSet dataSet = dataSetJSONMarshaller.fromJson(data.isObject());
                ds.setDataSet(dataSet);

                // Remove from the json input so that it doesn't end up in the settings map.
                parseResult.put(DATASET_PREFIX, null);

                // If none was found, look for a dataset lookup definition
            } else if ((data = parseResult.get(DATASET_LOOKUP_PREFIX)) != null) {
                DataSetLookup dataSetLookup = dataSetLookupJSONMarshaller.fromJson(data.isObject());
                ds.setDataSetLookup(dataSetLookup);

                // Remove from the json input so that it doesn't end up in the settings map.
                parseResult.put(DATASET_LOOKUP_PREFIX, null);
            } else {
                throw new RuntimeException(
                        FiltersConstants.INSTANCE.json_displayersettings_dataset_lookup_notspecified());
            }

            // Parse the columns settings
            JSONValue columns = parseResult.get(COLUMNS_PREFIX);
            if (columns != null) {
                List<ColumnSettings> columnSettingsList = parseColumnsFromJson(columns.isArray());
                ds.setColumnSettingsList(columnSettingsList);

                // Remove from the json input so that it doesn't end up in the settings map.
                parseResult.put(COLUMNS_PREFIX, null);
            }

            // Now parse all other settings
            ds.setSettingsFlatMap(parseSettingsFromJson(parseResult));
        }
    }
    return ds;
}

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From source file:org.jbpm.formapi.client.form.FormRepresentationDecoderClient.java

License:Apache License

public List<FBScript> decodeScripts(JSONValue json) throws FormEncodingException {
    List<FBScript> retval = new ArrayList<FBScript>();
    if (json != null && json.isArray() != null) {
        JSONArray array = json.isArray();
        for (int index = 0; index < array.size(); index++) {
            JSONValue elem = array.get(index);
            JSONObject jsonObj = elem.isObject();
            retval.add((FBScript) decode(asMap(jsonObj)));
        }/*from w w w.j  a  v a 2  s .c  om*/
    }
    return retval;
}

---

From source file:org.jbpm.formapi.client.form.FormRepresentationDecoderClient.java

License:Apache License

public List<FormItemRepresentation> decodeItems(JSONValue json) throws FormEncodingException {
    List<FormItemRepresentation> retval = new ArrayList<FormItemRepresentation>();
    if (json != null && json.isArray() != null) {
        JSONArray array = json.isArray();
        for (int index = 0; index < array.size(); index++) {
            JSONValue elem = array.get(index);
            JSONObject jsonObj = elem.isObject();
            retval.add((FormItemRepresentation) decode(asMap(jsonObj)));
        }//from  w w  w. j  a v  a2 s  .c o m
    }
    return retval;
}

---

From source file:org.jbpm.formapi.client.form.FormRepresentationDecoderClient.java

License:Apache License

public List<FBValidation> decodeValidations(JSONValue json) throws FormEncodingException {
    List<FBValidation> retval = new ArrayList<FBValidation>();
    if (json != null && json.isArray() != null) {
        JSONArray array = json.isArray();
        for (int index = 0; index < array.size(); index++) {
            JSONValue elem = array.get(index);
            JSONObject jsonObj = elem.isObject();
            retval.add((FBValidation) decode(asMap(jsonObj)));
        }//from  w  w w  .  j  a  v  a  2 s.  com
    }
    return retval;
}

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