Examples with BJSON org.ballerinalang.model.values.BJSON used on opensource projects

Example 11 with BJSON

use of org.ballerinalang.model.values.BJSON in project ballerina by ballerina-lang.

the class CPU method castJSONToString.

private static void castJSONToString(WorkerExecutionContext ctx, int[] operands, WorkerData sf) {
    int i = operands[0];
    int j = operands[1];
    BJSON jsonValue = (BJSON) sf.refRegs[i];
    if (jsonValue == null) {
        handleNullRefError(ctx);
        return;
    }
    JsonNode jsonNode;
    try {
        jsonNode = jsonValue.value();
    } catch (BallerinaException e) {
        sf.stringRegs[j] = BLangConstants.STRING_EMPTY_VALUE;
        String errorMsg = BLangExceptionHelper.getErrorMessage(RuntimeErrors.CASTING_FAILED_WITH_CAUSE, BTypes.typeJSON, BTypes.typeString, e.getMessage());
        ctx.setError(BLangVMErrors.createError(ctx, errorMsg));
        handleError(ctx);
        return;
    }
    if (jsonNode.isString()) {
        sf.stringRegs[j] = jsonNode.stringValue();
        return;
    }
    sf.stringRegs[j] = STRING_NULL_VALUE;
// handleTypeCastError(ctx, sf, j, JSONUtils.getTypeName(jsonNode), TypeConstants.STRING_TNAME);
}

Example 12 with BJSON

use of org.ballerinalang.model.values.BJSON in project ballerina by ballerina-lang.

the class JSONUtils method convertJSON.

private static Object convertJSON(JsonNode jsonValue, BType targetType) {
    switch(targetType.getTag()) {
        case TypeTags.INT_TAG:
            return jsonNodeToInt(jsonValue);
        case TypeTags.FLOAT_TAG:
            return jsonNodeToFloat(jsonValue);
        case TypeTags.STRING_TAG:
            if (jsonValue.isString()) {
                return jsonValue.stringValue();
            } else {
                return jsonValue.toString();
            }
        case TypeTags.BOOLEAN_TAG:
            return jsonNodeToBool(jsonValue);
        case TypeTags.UNION_TAG:
            BUnionType type = (BUnionType) targetType;
            if (jsonValue.isNull() && type.isNullable()) {
                return null;
            }
            List<BType> matchingTypes = type.getMemberTypes().stream().filter(memberType -> memberType != BTypes.typeNull).collect(Collectors.toList());
            if (matchingTypes.size() == 1) {
                return convertJSON(jsonValue, matchingTypes.get(0));
            }
            break;
        case TypeTags.STRUCT_TAG:
            return convertJSONNodeToStruct(jsonValue, (BStructType) targetType);
        case TypeTags.ANY_TAG:
        case TypeTags.JSON_TAG:
            if (jsonValue.isNull()) {
                return null;
            }
            return new BJSON(jsonValue);
        case TypeTags.ARRAY_TAG:
            return jsonNodeToBArray(jsonValue, (BArrayType) targetType);
        case TypeTags.MAP_TAG:
            return jsonNodeToBMap(jsonValue, (BMapType) targetType);
        case TypeTags.NULL_TAG:
            if (jsonValue.isNull()) {
                return null;
            }
            break;
        default:
            break;
    }
    throw BLangExceptionHelper.getRuntimeException(RuntimeErrors.INCOMPATIBLE_TYPE_FOR_CASTING, targetType, getTypeName(jsonValue));
}

Example 13 with BJSON

use of org.ballerinalang.model.values.BJSON in project ballerina by ballerina-lang.

the class JSONUtils method convertArrayToJSON.

/**
 * Convert {@link BIntArray} to {@link BJSON}.
 *
 * @param intArray {@link BIntArray} to be converted to {@link BJSON}
 * @return JSON representation of the provided intArray
 */
public static BJSON convertArrayToJSON(BIntArray intArray) {
    BJSON bjson = new BJSON(new JsonNode(Type.ARRAY));
    JsonNode arrayNode = bjson.value();
    for (int i = 0; i < intArray.size(); i++) {
        long value = intArray.get(i);
        arrayNode.add(value);
    }
    return bjson;
}

Example 14 with BJSON

use of org.ballerinalang.model.values.BJSON in project ballerina by ballerina-lang.

the class JSONUtils method convertArrayToJSON.

/**
 * Convert {@link BStringArray} to {@link BJSON}.
 *
 * @param stringArray {@link BStringArray} to be converted to {@link BJSON}
 * @return JSON representation of the provided stringArray
 */
public static BJSON convertArrayToJSON(BStringArray stringArray) {
    BJSON bjson = new BJSON(new JsonNode(Type.ARRAY));
    JsonNode arrayNode = bjson.value();
    for (int i = 0; i < stringArray.size(); i++) {
        String value = stringArray.get(i);
        arrayNode.add(value);
    }
    return bjson;
}

Example 15 with BJSON

use of org.ballerinalang.model.values.BJSON in project ballerina by ballerina-lang.

the class TableIterator method generateNext.

@Override
public BStruct generateNext() {
    BStruct bStruct = new BStruct(type);
    int longRegIndex = -1;
    int doubleRegIndex = -1;
    int stringRegIndex = -1;
    int booleanRegIndex = -1;
    int refRegIndex = -1;
    int blobRegIndex = -1;
    int index = 0;
    try {
        BStructType.StructField[] structFields = type.getStructFields();
        for (BStructType.StructField sf : structFields) {
            BType type = sf.getFieldType();
            ++index;
            switch(type.getTag()) {
                case TypeTags.INT_TAG:
                    long iValue = rs.getInt(index);
                    bStruct.setIntField(++longRegIndex, iValue);
                    break;
                case TypeTags.STRING_TAG:
                    String sValue = rs.getString(index);
                    bStruct.setStringField(++stringRegIndex, sValue);
                    break;
                case TypeTags.FLOAT_TAG:
                    double dalue = rs.getDouble(index);
                    bStruct.setFloatField(++doubleRegIndex, dalue);
                    break;
                case TypeTags.BOOLEAN_TAG:
                    boolean boolValue = rs.getBoolean(index);
                    bStruct.setBooleanField(++booleanRegIndex, boolValue ? 1 : 0);
                    break;
                case TypeTags.JSON_TAG:
                    String jsonValue = rs.getString(index);
                    bStruct.setRefField(++refRegIndex, new BJSON(jsonValue));
                    break;
                case TypeTags.XML_TAG:
                    String xmlValue = rs.getString(index);
                    bStruct.setRefField(++refRegIndex, new BXMLItem(xmlValue));
                    break;
                case TypeTags.BLOB_TAG:
                    Blob blobValue = rs.getBlob(index);
                    bStruct.setBlobField(++blobRegIndex, blobValue.getBytes(1L, (int) blobValue.length()));
                    break;
                case TypeTags.ARRAY_TAG:
                    Array arrayValue = rs.getArray(index);
                    bStruct.setRefField(++refRegIndex, getDataArray(arrayValue));
                    break;
            }
        }
    } catch (SQLException e) {
        throw new BallerinaException("error in generating next row of data :" + e.getMessage());
    }
    return bStruct;
}